Analysis Report VENTANASBRISA SL, COMPROBANTE DE TRANSFERENCIA PENDIENTE DE PAGO.exe
Overview
General Information
Detection
Score: | 76 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
Startup |
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Malware Configuration |
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Threatname: GuLoader |
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{"Payload URL": "https://drive.google.com/uc?export=download&id=1eFQiCYQnU0gxJtdFGliDTfHvfIG3lmKt", "Injection Process": ["RegAsm.exe", "RegSvcs.exe", "MSBuild.exe"]}
Yara Overview |
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Memory Dumps |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_GuLoader | Yara detected GuLoader | Joe Security |
Sigma Overview |
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No Sigma rule has matched |
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Signature Overview |
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Click to jump to signature section
AV Detection: |
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Found malware configuration | Show sources |
Source: | Malware Configuration Extractor: |
Multi AV Scanner detection for submitted file | Show sources |
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Machine Learning detection for sample | Show sources |
Source: | Joe Sandbox ML: |
Source: | Static PE information: |
Networking: |
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C2 URLs / IPs found in malware configuration | Show sources |
Source: | URLs: |
Source: | Static PE information: |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
Source: | Static PE information: |
Source: | Classification label: |
Source: | File created: | Jump to behavior |
Source: | Static PE information: |
Source: | Section loaded: | Jump to behavior |
Source: | Key opened: | Jump to behavior |
Source: | Virustotal: | ||
Source: | ReversingLabs: |
Data Obfuscation: |
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Yara detected GuLoader | Show sources |
Source: | File source: |
Source: | Static PE information: |
Source: | Code function: | 0_2_0040445F | |
Source: | Code function: | 0_2_0040528B | |
Source: | Code function: | 0_2_004052EA | |
Source: | Code function: | 0_2_004032EF | |
Source: | Code function: | 0_2_0040528B | |
Source: | Code function: | 0_2_00401CA2 | |
Source: | Code function: | 0_2_004067F3 | |
Source: | Code function: | 0_2_0040357E | |
Source: | Code function: | 0_2_004067F3 | |
Source: | Code function: | 0_2_004039FF | |
Source: | Code function: | 0_2_004035DB | |
Source: | Code function: | 0_2_00403F86 | |
Source: | Code function: | 0_2_004067D3 |
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior |
Malware Analysis System Evasion: |
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Tries to detect virtualization through RDTSC time measurements | Show sources |
Source: | RDTSC instruction interceptor: | ||
Source: | RDTSC instruction interceptor: | ||
Source: | RDTSC instruction interceptor: |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
Mitre Att&ck Matrix |
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Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Exfiltration | Command and Control | Network Effects | Remote Service Effects | Impact |
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Valid Accounts | Windows Management Instrumentation | Path Interception | Process Injection1 | Process Injection1 | OS Credential Dumping | Security Software Discovery1 | Remote Services | Data from Local System | Exfiltration Over Other Network Medium | Application Layer Protocol1 | Eavesdrop on Insecure Network Communication | Remotely Track Device Without Authorization | Modify System Partition |
Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | Boot or Logon Initialization Scripts | Obfuscated Files or Information1 | LSASS Memory | Process Discovery1 | Remote Desktop Protocol | Data from Removable Media | Exfiltration Over Bluetooth | Junk Data | Exploit SS7 to Redirect Phone Calls/SMS | Remotely Wipe Data Without Authorization | Device Lockout |
Domain Accounts | At (Linux) | Logon Script (Windows) | Logon Script (Windows) | Obfuscated Files or Information | Security Account Manager | System Information Discovery11 | SMB/Windows Admin Shares | Data from Network Shared Drive | Automated Exfiltration | Steganography | Exploit SS7 to Track Device Location | Obtain Device Cloud Backups | Delete Device Data |
Behavior Graph |
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Screenshots |
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Thumbnails
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Antivirus, Machine Learning and Genetic Malware Detection |
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Initial Sample |
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Source | Detection | Scanner | Label | Link |
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21% | Virustotal | Browse | ||
19% | ReversingLabs | |||
100% | Joe Sandbox ML |
Dropped Files |
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No Antivirus matches |
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Unpacked PE Files |
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No Antivirus matches |
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Domains |
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No Antivirus matches |
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URLs |
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No Antivirus matches |
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Domains and IPs |
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General Information |
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Joe Sandbox Version: | 31.0.0 Emerald |
Analysis ID: | 395503 |
Start date: | 22.04.2021 |
Start time: | 15:54:49 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 9m 9s |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Sample file name: | VENTANASBRISA SL, COMPROBANTE DE TRANSFERENCIA PENDIENTE DE PAGO.exe |
Cookbook file name: | default.jbs |
Analysis system description: | Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211 |
Number of analysed new started processes analysed: | 28 |
Number of new started drivers analysed: | 0 |
Number of existing processes analysed: | 0 |
Number of existing drivers analysed: | 0 |
Number of injected processes analysed: | 0 |
Technologies: |
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Analysis Mode: | default |
Analysis stop reason: | Timeout |
Detection: | MAL |
Classification: | mal76.troj.evad.winEXE@1/0@0/0 |
EGA Information: |
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HDC Information: |
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HCA Information: |
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Cookbook Comments: |
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Warnings: | Show All
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Simulations |
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Behavior and APIs |
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No simulations |
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Joe Sandbox View / Context |
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Created / dropped Files |
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No created / dropped files found |
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Static File Info |
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General | |
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File type: | |
Entropy (8bit): | 5.862205071482885 |
TrID: |
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File name: | VENTANASBRISA SL, COMPROBANTE DE TRANSFERENCIA PENDIENTE DE PAGO.exe |
File size: | 155648 |
MD5: | b1b0e80b7df8ae67ed83e366f46b265b |
SHA1: | 53c2f6377d7cc97ccb2c718eeabbf16e00830656 |
SHA256: | ec455e6dcab1f953bd685bc9674dbe7e2fbf7afcbef4d731edd9a818048f2227 |
SHA512: | e7262d9270796a6b815d6fd405b8b02db85b16531d1aa510a4976fa163722930f5006449d48d37ac57788bba0b218d2d26fa23917088dc6008a987f3f98688f7 |
SSDEEP: | 3072:jLPrJP47wFh/t9iQ2rSjVffNeYWf7M/v3w:jJP47CRzdxNfv3 |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$........#...B...B...B..L^...B...`...B...d...B..Rich.B..........PE..L...n.yW.....................`......x.............@................ |
File Icon |
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Icon Hash: | dadadadaeeced8da |
Static PE Info |
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General | |
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Entrypoint: | 0x401c78 |
Entrypoint Section: | .text |
Digitally signed: | false |
Imagebase: | 0x400000 |
Subsystem: | windows gui |
Image File Characteristics: | LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED |
DLL Characteristics: | |
Time Stamp: | 0x5779156E [Sun Jul 3 13:38:54 2016 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 4 |
OS Version Minor: | 0 |
File Version Major: | 4 |
File Version Minor: | 0 |
Subsystem Version Major: | 4 |
Subsystem Version Minor: | 0 |
Import Hash: | 1fa6aac839727b3340226df771ac8ef4 |
Entrypoint Preview |
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Instruction |
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push 0040FCB0h |
call 00007F45D4F74625h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
xor byte ptr [eax], al |
add byte ptr [eax], al |
inc eax |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [edx], bl |
sti |
clc |
mov dword ptr [bx], edx |
jbe 00007F45D4F74678h |
mov bh, 7Bh |
ret |
and byte ptr [esi], dl |
retf 0000h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add dword ptr [eax], eax |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
push ebp |
push 6F6D7261h |
outsb |
imul esp, dword ptr [ebp+72h], 0000656Eh |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
dec esp |
xor dword ptr [eax], eax |
push cs |
sbb dh, bl |
call far 9F42h : 1AEE2F58h |
leave |
xlatb |
pop ds |
fadd qword ptr [edi+584300E6h] |
jc 00007F45D4F745CAh |
xor al, D8h |
push edi |
inc edx |
xchg eax, esi |
and ecx, dword ptr [ebx-40B64F1Ch] |
enter 4F3Ah, ADh |
xor ebx, dword ptr [ecx-48EE309Ah] |
or al, 00h |
stosb |
add byte ptr [eax-2Dh], ah |
xchg eax, ebx |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
Data Directories |
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Name | Virtual Address | Virtual Size | Is in Section |
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IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x206b4 | 0x28 | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x23000 | 0x3916 | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COPYRIGHT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_GLOBALPTR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_TLS | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT | 0x228 | 0x20 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x1000 | 0x174 | .text |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Sections |
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Name | Virtual Address | Virtual Size | Raw Size | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
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.text | 0x1000 | 0x1fcf4 | 0x20000 | False | 0.36799621582 | data | 6.10209072911 | IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ |
.data | 0x21000 | 0x1254 | 0x1000 | False | 0.00634765625 | data | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.rsrc | 0x23000 | 0x3916 | 0x4000 | False | 0.354858398438 | data | 5.2522569983 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
Resources |
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Name | RVA | Size | Type | Language | Country |
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RT_ICON | 0x252ee | 0x1628 | dBase IV DBT of \200.DBF, blocks size 0, block length 4608, next free block index 40, next free block 4294901758, next used block 4294901758 | ||
RT_ICON | 0x24246 | 0x10a8 | data | ||
RT_ICON | 0x238be | 0x988 | data | ||
RT_ICON | 0x23456 | 0x468 | GLS_BINARY_LSB_FIRST | ||
RT_GROUP_ICON | 0x23418 | 0x3e | data | ||
RT_VERSION | 0x23180 | 0x298 | data | English | United States |
Imports |
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DLL | Import |
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MSVBVM60.DLL | _CIcos, _adj_fptan, __vbaVarMove, __vbaFreeVar, __vbaStrVarMove, __vbaFreeVarList, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaRecAnsiToUni, __vbaSetSystemError, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaAryDestruct, __vbaObjSet, __vbaOnError, _adj_fdiv_m16i, __vbaObjSetAddref, _adj_fdivr_m16i, __vbaFPFix, __vbaFpR8, __vbaVarTstLt, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaGenerateBoundsError, __vbaAryConstruct2, __vbaObjVar, __vbaI2I4, DllFunctionCall, _adj_fpatan, __vbaLateIdCallLd, __vbaRedim, __vbaRecUniToAnsi, EVENT_SINK_Release, __vbaUI1I2, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, __vbaStrToUnicode, _adj_fprem, _adj_fdivr_m64, __vbaVarErrI4, __vbaFPException, _CIlog, __vbaNew2, __vbaR8Str, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, __vbaFreeStrList, __vbaDerefAry1, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaI4Var, __vbaVarAdd, __vbaLateMemCall, __vbaStrToAnsi, __vbaVarDup, __vbaFpI4, __vbaLateMemCallLd, _CIatan, __vbaStrMove, __vbaCastObj, _allmul, __vbaLateIdSt, _CItan, _CIexp, __vbaFreeStr, __vbaFreeObj |
Version Infos |
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Description | Data |
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Translation | 0x0409 0x04b0 |
InternalName | Vitiations3 |
FileVersion | 1.00 |
CompanyName | SoftSignal |
Comments | SoftSignal |
ProductName | SoftSignal |
ProductVersion | 1.00 |
FileDescription | SoftSignal |
OriginalFilename | Vitiations3.exe |
Possible Origin |
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Language of compilation system | Country where language is spoken | Map |
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English | United States |
Network Behavior |
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No network behavior found |
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Code Manipulations |
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Statistics |
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CPU Usage |
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Click to jump to process
Memory Usage |
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Click to jump to process
High Level Behavior Distribution |
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back
Click to dive into process behavior distribution
System Behavior |
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General |
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Start time: | 15:55:41 |
Start date: | 22/04/2021 |
Path: | C:\Users\user\Desktop\VENTANASBRISA SL, COMPROBANTE DE TRANSFERENCIA PENDIENTE DE PAGO.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x7ff724940000 |
File size: | 155648 bytes |
MD5 hash: | B1B0E80B7DF8AE67ED83E366F46B265B |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | Visual Basic |
Yara matches: |
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Reputation: | low |
Disassembly |
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Code Analysis |
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Execution Graph |
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Execution Coverage: | 12.1% |
Dynamic/Decrypted Code Coverage: | 1.6% |
Signature Coverage: | 0% |
Total number of Nodes: | 256 |
Total number of Limit Nodes: | 30 |
Graph
Executed Functions |
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Function 00411EB4, Relevance: 147.9, APIs: 79, Strings: 5, Instructions: 927COMMON
Control-flow Graph |
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C-Code - Quality: 62% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0041FCE2, Relevance: 33.2, APIs: 22, Instructions: 213COMMON
Control-flow Graph |
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C-Code - Quality: 59% |
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Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Control-flow Graph |
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C-Code - Quality: 55% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Control-flow Graph |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 00411268, Relevance: .0, Instructions: 8COMMON
Control-flow Graph |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Non-executed Functions |
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Control-flow Graph |
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C-Code - Quality: 51% |
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Joe Sandbox IDA Plugin |
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Uniqueness Score: -1.00% |
Control-flow Graph |
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C-Code - Quality: 52% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Control-flow Graph |
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C-Code - Quality: 52% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0041F0CE, Relevance: 10.6, APIs: 7, Instructions: 83COMMON
Control-flow Graph |
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C-Code - Quality: 64% |
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Uniqueness |
Uniqueness Score: -1.00% |
Control-flow Graph |
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C-Code - Quality: 67% |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 00420053, Relevance: 9.1, APIs: 6, Instructions: 68COMMON
Control-flow Graph |
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C-Code - Quality: 49% |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0041F328, Relevance: 7.6, APIs: 5, Instructions: 76COMMON
Control-flow Graph |
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C-Code - Quality: 61% |
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Uniqueness |
Uniqueness Score: -1.00% |