Edit tour
Windows
Analysis Report
z91dxf____.exe
Overview
General Information
| Sample name: | z91dxf____.exe |
| Analysis ID: | 1539809 |
| MD5: | ce91ddd3b01ce4da36e7d76d977b8cc5 |
| SHA1: | 41cb5cb1cdff5995509bf54baadc55be35d2034d |
| SHA256: | 6e70a3c4a3eb318f8489bfebc6b9ce2a0e83a6eb72446eb8a46db6dff5a06581 |
| Tags: | exeuser-Porcupine |
 | |
Detection
| Score: | 1 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 80% |
Signatures
Program does not show much activity (idle)
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Classification
- System is w10x64
z91dxf____.exe (PID: 4268 cmdline: "C:\Users\ user\Deskt op\z91dxf_ ___.exe" MD5: CE91DDD3B01CE4DA36E7D76D977B8CC5)
- cleanup
⊘No configs have been found
⊘No yara matches
⊘No Sigma rule has matched
⊘No Suricata rule has matched
Click to jump to signature section
Show All Signature Results
There are no malicious signatures, click here to show all signatures.
| Source: | Static PE information: | ||
| Source: | Binary string: | ||
| Source: | Binary or memory string: | ||
| Source: | Binary or memory string: | ||
| Source: | Static PE information: | ||
| Source: | Classification label: | ||
| Source: | Static PE information: | ||
| Source: | Key opened: | Jump to behavior | ||
| Source: | Section loaded: | Jump to behavior | ||
| Source: | Section loaded: | Jump to behavior | ||
| Source: | Section loaded: | Jump to behavior | ||
| Source: | Section loaded: | Jump to behavior | ||
| Source: | Static PE information: | ||
| Source: | Binary string: | ||
| 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: | ||
| Reconnaissance | Resource Development | Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Command and Control | Exfiltration | Impact |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gather Victim Identity Information | Acquire Infrastructure | Valid Accounts | Windows Management Instrumentation | 1 DLL Side-Loading | 1 DLL Side-Loading | 1 DLL Side-Loading | OS Credential Dumping | 1 System Information Discovery | Remote Services | Data from Local System | Data Obfuscation | Exfiltration Over Other Network Medium | Abuse Accessibility Features |
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
InternetThis section contains all screenshots as thumbnails, including those not shown in the slideshow.
| Source | Detection | Scanner | Label | Link |
|---|---|---|---|---|
| 0% | ReversingLabs |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
| Joe Sandbox version: | 41.0.0 Charoite |
| Analysis ID: | 1539809 |
| Start date and time: | 2024-10-23 07:05:06 +02:00 |
| Joe Sandbox product: | CloudBasic |
| Overall analysis duration: | 0h 3m 47s |
| Hypervisor based Inspection enabled: | false |
| Report type: | full |
| Cookbook file name: | default.jbs |
| Analysis system description: | Windows 10 x64 22H2 with Office Professional Plus 2019, Chrome 117, Firefox 118, Adobe Reader DC 23, Java 8 Update 381, 7zip 23.01 |
| Number of analysed new started processes analysed: | 5 |
| 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: |
|
| Analysis Mode: | default |
| Analysis stop reason: | Timeout |
| Sample name: | z91dxf____.exe |
| Detection: | CLEAN |
| Classification: | clean1.winEXE@1/0@0/0 |
| EGA Information: | Failed |
| HCA Information: |
|
| Cookbook Comments: |
|
- Exclude process from analysis (whitelisted): MpCmdRun.exe, WMIADAP.exe, SIHClient.exe, conhost.exe
- Excluded domains from analysis (whitelisted): ocsp.digicert.com, slscr.update.microsoft.com, otelrules.azureedge.net, ctldl.windowsupdate.com, fe3cr.delivery.mp.microsoft.com
- Not all processes where analyzed, report is missing behavior information
- VT rate limit hit for: z91dxf____.exe
⊘No simulations
⊘No created / dropped files found
| File type: | |
| Entropy (8bit): | 2.3558487735563585 |
| TrID: |
|
| File name: | z91dxf____.exe |
| File size: | 139'308 bytes |
| MD5: | ce91ddd3b01ce4da36e7d76d977b8cc5 |
| SHA1: | 41cb5cb1cdff5995509bf54baadc55be35d2034d |
| SHA256: | 6e70a3c4a3eb318f8489bfebc6b9ce2a0e83a6eb72446eb8a46db6dff5a06581 |
| SHA512: | 584b3b43a961cc51e19dfcab81fe7a3eacedd73120a5d509cd16cf2dd28b117865a107febe2b4a3733263e46aef30a9d1184458bb520bf2d52b78d7abaa79381 |
| SSDEEP: | 768:VJskvPSuF8sPs3phL39tzmBYXji/V6na43:VJLPP8Ga9tyV2aG |
| TLSH: | 29D3B41CF685CC6EFE590B708AAA46A435B4AE600FB602D722043D9C757D3D1D8FA25E |
| File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$........q..............................0.......[.......[...........'...[...............Rich............PE..L......G.................P. |
 | |
| Icon Hash: | 2f5159a891731b86 |
| Entrypoint: | 0x403350 |
| Entrypoint Section: | .text |
| Digitally signed: | false |
| Imagebase: | 0x400000 |
| Subsystem: | windows gui |
| Image File Characteristics: | EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE |
| DLL Characteristics: | |
| Time Stamp: | 0x477FDEB8 [Sat Jan 5 19:47:04 2008 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: | 6abdc6180758d64f4a723aca5eea1f6a |
| Instruction |
|---|
| push ebp |
| mov ebp, esp |
| push FFFFFFFFh |
| push 004164B0h |
| push 004035B8h |
| mov eax, dword ptr fs:[00000000h] |
| push eax |
| mov dword ptr fs:[00000000h], esp |
| add esp, FFFFFF94h |
| push ebx |
| push esi |
| push edi |
| mov dword ptr [ebp-18h], esp |
| mov dword ptr [ebp-04h], 00000000h |
| push 00000002h |
| call dword ptr [00418704h] |
| add esp, 04h |
| mov dword ptr [00417910h], FFFFFFFFh |
| mov eax, dword ptr [00417910h] |
| mov dword ptr [00417920h], eax |
| call dword ptr [00418700h] |
| mov ecx, dword ptr [004178FCh] |
| mov dword ptr [eax], ecx |
| call dword ptr [004186FCh] |
| mov edx, dword ptr [004178F8h] |
| mov dword ptr [eax], edx |
| mov eax, dword ptr [004186F8h] |
| mov ecx, dword ptr [eax] |
| mov dword ptr [00417904h], ecx |
| call 00007FEE00835FFBh |
| cmp dword ptr [004176A0h], 00000000h |
| jne 00007FEE00835E30h |
| push 00403590h |
| call dword ptr [004186F4h] |
| add esp, 04h |
| call 00007FEE00835FAFh |
| push 00417514h |
| push 00417410h |
| call 00007FEE00835F98h |
| add esp, 08h |
| mov edx, dword ptr [004178F4h] |
| mov dword ptr [ebp-6Ch], edx |
| lea eax, dword ptr [ebp-6Ch] |
| push eax |
| mov ecx, dword ptr [004178F0h] |
| push ecx |
| lea edx, dword ptr [ebp-64h] |
| push edx |
| lea eax, dword ptr [ebp-70h] |
| push eax |
| lea ecx, dword ptr [ebp-60h] |
| Programming Language: |
|
| Name | Virtual Address | Virtual Size | Is in Section |
|---|---|---|---|
| IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_IMPORT | 0x18000 | 0x78 | .idata |
| IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x19000 | 0x7ce9 | .rsrc |
| IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x21000 | 0x378 | .reloc |
| IMAGE_DIRECTORY_ENTRY_DEBUG | 0x16000 | 0x1c | .rdata |
| 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 | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_IAT | 0x18414 | 0x39c | .idata |
| IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
| Name | Virtual Address | Virtual Size | Raw Size | MD5 | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
|---|---|---|---|---|---|---|---|---|---|
| .text | 0x1000 | 0x14940 | 0x15000 | 86144c294451474cf4869c1298a48b6f | False | 0.04870024181547619 | data | 1.4146785911523188 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
| .rdata | 0x16000 | 0x84b | 0x1000 | c8a52b862082732017e24924248bc1d4 | False | 0.172607421875 | data | 1.9085896091116885 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
| .data | 0x17000 | 0x924 | 0x1000 | eae7b5b5fe4c655593b2cc8b3cd0e73a | False | 0.033447265625 | data | 0.3096499626313811 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
| .idata | 0x18000 | 0xade | 0x1000 | 8d9786eeb98021d4846b281025178919 | False | 0.21533203125 | data | 2.9201739745303392 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
| .rsrc | 0x19000 | 0x7ce9 | 0x8000 | 4210b4fc3251745278ed00db7bcd7ae7 | False | 0.295166015625 | data | 4.108871296800577 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
| .reloc | 0x21000 | 0x57e | 0x1000 | cdec614f1bb6b114a4e64006691fa81d | False | 0.19775390625 | data | 2.0092896848384756 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ |
| Name | RVA | Size | Type | Language | Country | ZLIB Complexity |
|---|---|---|---|---|---|---|
| RT_ICON | 0x19320 | 0x468 | Device independent bitmap graphic, 16 x 32 x 32, image size 1024 | Chinese | China | 0.6312056737588653 |
| RT_ICON | 0x19788 | 0xca8 | Device independent bitmap graphic, 32 x 64 x 24, image size 3200 | Chinese | China | 0.4898148148148148 |
| RT_ICON | 0x1a430 | 0x3228 | Device independent bitmap graphic, 64 x 128 x 24, image size 12800 | Chinese | China | 0.3136292834890966 |
| RT_ICON | 0x1d658 | 0x1ca8 | Device independent bitmap graphic, 48 x 96 x 24, image size 7296 | Chinese | China | 0.3755452562704471 |
| RT_DIALOG | 0x1f340 | 0x188 | data | Chinese | China | 0.6122448979591837 |
| RT_GROUP_ICON | 0x1f300 | 0x3e | data | Chinese | China | 0.8387096774193549 |
| RT_VERSION | 0x1f4c8 | 0x334 | data | Chinese | China | 0.4853658536585366 |
| DLL | Import |
|---|---|
| MFC42D.DLL | |
| MSVCRTD.dll | ftell, fclose, fopen, sqrt, strtod, atoi, sprintf, __dllonexit, _onexit, _exit, _XcptFilter, exit, _acmdln, fgetc, _initterm, __setusermatherr, _adjust_fdiv, __p__commode, __p__fmode, __set_app_type, _except_handler3, _controlfp, abs, fputc, memcmp, _chkesp, __CxxFrameHandler, remove, __getmainargs, _filelength, _fileno, _setmbcp, _ftol |
| KERNEL32.dll | GetModuleHandleA, GetStartupInfoA |
| USER32.dll | GetSystemMetrics |
| MFCO42D.DLL |
| Language of compilation system | Country where language is spoken | Map |
|---|---|---|
| Chinese | China |  |
Key Decision
Richest Path
Thread / callback creation
Lower opacity -> Library Node⊘No network behavior found
| Target ID: | 0 |
| Start time: | 01:05:57 |
| Start date: | 23/10/2024 |
| Path: | C:\Users\user\Desktop\z91dxf____.exe |
| Wow64 process (32bit): | true |
| Commandline: | |
| Imagebase: | 0x400000 |
| File size: | 139'308 bytes |
| MD5 hash: | CE91DDD3B01CE4DA36E7D76D977B8CC5 |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | low |
| Has exited: | false |
⊘No disassembly