Windows
Analysis Report
89.exe
Overview
General Information
Detection
Score: | 68 |
Range: | 0 - 100 |
Confidence: | 100% |
Signatures
Classification
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
BlackSuit | According to Trend Micro, this ransomware has significant code overlap with Royal Ransomware. | No Attribution |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_BlackSuit | Yara detected BlackSuit Ransomware | Joe Security |
Click to jump to signature section
AV Detection |
---|
Source: | Avira: |
Source: | ReversingLabs: | |||
Source: | Virustotal: | Perma Link |
Source: | Binary or memory string: | memstr_756a87f5-f |
Source: | Static PE information: |
Source: | Static PE information: |
Spam, unwanted Advertisements and Ransom Demands |
---|
Source: | File source: |
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: | Static PE information: |
Source: | Key opened: | Jump to behavior |
Source: | ReversingLabs: | ||
Source: | Virustotal: |
Source: | Process created: | |||
Source: | Process created: | |||
Source: | Process created: | Jump to behavior |
Source: | Section loaded: | Jump to behavior |
Source: | Static PE information: |
Source: | Static PE information: |
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 Process Injection | 1 Process Injection | OS Credential Dumping | 1 System Information Discovery | Remote Services | 1 Archive Collected Data | Data Obfuscation | Exfiltration Over Other Network Medium | Abuse Accessibility Features |
Credentials | Domains | Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | 1 DLL Side-Loading | 1 DLL Side-Loading | LSASS Memory | Application Window Discovery | Remote Desktop Protocol | Data from Removable Media | Junk Data | Exfiltration Over Bluetooth | Network Denial of Service |
Email Addresses | DNS Server | Domain Accounts | At | Logon Script (Windows) | Logon Script (Windows) | 1 File Deletion | Security Account Manager | Query Registry | SMB/Windows Admin Shares | Data from Network Shared Drive | Steganography | Automated Exfiltration | Data Encrypted for Impact |
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
88% | ReversingLabs | Win32.Ransomware.BlackSuit | ||
76% | Virustotal | Browse | ||
100% | Avira | TR/Dropper.Gen |
Joe Sandbox version: | 42.0.0 Malachite |
Analysis ID: | 1663699 |
Start date and time: | 2025-04-12 07:54:43 +02:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 3m 38s |
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 134, Firefox 118, Adobe Reader DC 23, Java 8 Update 381, 7zip 23.01 |
Number of analysed new started processes analysed: | 11 |
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: | 89.exe (renamed file extension from none to exe) |
Original Sample Name: | 89 |
Detection: | MAL |
Classification: | mal68.rans.winEXE@3/0@0/0 |
- Exclude process from analysis
(whitelisted): MpCmdRun.exe, S IHClient.exe, SgrmBroker.exe, conhost.exe, svchost.exe - Excluded IPs from analysis (wh
itelisted): 184.28.213.193, 20 4.79.197.222, 4.245.163.56 - Excluded domains from analysis
(whitelisted): fp.msedge.net, fs.microsoft.com, slscr.updat e.microsoft.com, ctldl.windows update.com, c.pki.goog, fe3cr. delivery.mp.microsoft.com - Not all processes where analyz
ed, report is missing behavior information
File type: | |
Entropy (8bit): | 6.187813526144552 |
TrID: |
|
File name: | 89.exe |
File size: | 68'608 bytes |
MD5: | 4cfa467224eecfe2890caebe8b923639 |
SHA1: | dec7ace60a0a3169618f415d0fa8f66eeb60d7c1 |
SHA256: | 89b520833df09cba0960171efd064ded7306bd8b9b83ca1d9291c9486c9800c5 |
SHA512: | 6229eadf51bebe5f0cc8075069df99e4933605da6cc5fe614707a540dd8239e0becb1b417799052d793c7baacf50fa2b1495ca2c5588bc630c78c6a790e118c8 |
SSDEEP: | 768:b7ht8FTVOEX0kBzoHq9secAZzim3dl7J74vPo+n3rx02uHosqAA/RHIFUnAqNw3r:bcLXMq+edzDJ2oy0b1O6UAqNSQAeN |
TLSH: | DE637C01E9AEC8F4F2654EB5B54E472141F3AC2203AD1EF363949B1396B39D0F93A59C |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......................;.................................!.............Rich....................PE..L....e;g...............$........... |
Icon Hash: | 90cececece8e8eb0 |
Entrypoint: | 0x406730 |
Entrypoint Section: | .text |
Digitally signed: | false |
Imagebase: | 0x400000 |
Subsystem: | windows gui |
Image File Characteristics: | EXECUTABLE_IMAGE, 32BIT_MACHINE |
DLL Characteristics: | DYNAMIC_BASE, NX_COMPAT, TERMINAL_SERVER_AWARE |
Time Stamp: | 0x673B65C8 [Mon Nov 18 16:05:28 2024 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 5 |
OS Version Minor: | 1 |
File Version Major: | 5 |
File Version Minor: | 1 |
Subsystem Version Major: | 5 |
Subsystem Version Minor: | 1 |
Import Hash: | ecc488e51fbb2e01a7aac2b35d5f10bd |
Instruction |
---|
call 00007F1A70EFD770h |
retn 0010h |
int3 |
int3 |
int3 |
int3 |
int3 |
int3 |
int3 |
int3 |
push 00000000h |
push dword ptr [esp+08h] |
call 00007F1A70F024FAh |
add esp, 08h |
ret |
int3 |
push esi |
mov esi, dword ptr [esp+08h] |
push dword ptr [esi] |
call 00007F1A70F024E9h |
push 00000000h |
push esi |
call 00007F1A70F024E1h |
add esp, 0Ch |
pop esi |
ret |
int3 |
int3 |
int3 |
int3 |
int3 |
int3 |
int3 |
sub esp, 1Ch |
push ebx |
push ebp |
mov ebp, dword ptr [00455C94h] |
push esi |
push edi |
test ebp, ebp |
jne 00007F1A70EFDAC8h |
mov edx, 00406740h |
call 00007F1A70EFD59Ah |
mov ebp, eax |
mov dword ptr [00455C94h], ebp |
test ebp, ebp |
je 00007F1A70EFDAD1h |
cmp dword ptr [ebp+04h], 00000000h |
je 00007F1A70EFDACBh |
mov ecx, ebp |
call 00007F1A70EFD641h |
mov edx, 00406740h |
call 00007F1A70EFD577h |
mov ebp, eax |
mov dword ptr [00455C94h], ebp |
push 00000118h |
mov dword ptr [esp+20h], 00000118h |
call 00007F1A70F0245Dh |
mov esi, eax |
add esp, 04h |
mov dword ptr [esp+20h], esi |
test esi, esi |
je 00007F1A70EFDB2Fh |
mov edx, 00000047h |
push 00002C96h |
push 58A16547h |
lea ecx, dword ptr [edx-41h] |
call 00007F1A70EF9AC9h |
add esp, 08h |
lea ecx, dword ptr [esp+1Ch] |
push 00000000h |
push ecx |
push esi |
Name | Virtual Address | Virtual Size | Is in Section |
---|---|---|---|
IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x1169c | 0x64 | .rdata |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x57000 | 0x1e8 | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x58000 | 0x2c8 | .reloc |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0xea2c | 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 | 0xe000 | 0x70 | .rdata |
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 | 0xc54a | 0xc600 | 93db1e17da8a81f0d57f1fe3b576de44 | False | 0.5111268939393939 | data | 6.265270099926119 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.rdata | 0xe000 | 0x38fc | 0x3a00 | 91d75af66bcdd09f3393ef8f7b71611d | False | 0.49191810344827586 | data | 5.518321138477226 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.data | 0x12000 | 0x43ef0 | 0x0 | d41d8cd98f00b204e9800998ecf8427e | False | 0 | empty | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
.CRT | 0x56000 | 0x18 | 0x200 | fb17f86eeadcc21b5a95b49cd91cac97 | False | 0.060546875 | MacBinary, Mon Feb 6 07:28:16 2040 INVALID date, modified Mon Feb 6 07:28:16 2040 "@" | 0.2797047950073886 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.rsrc | 0x57000 | 0x1e8 | 0x200 | ac3199c3f5c2959d8efbd1d6f1cbe96f | False | 0.529296875 | data | 4.728472067285766 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.reloc | 0x58000 | 0x2c8 | 0x400 | c405af49870e4d6f291a481fa821e289 | False | 0.6396484375 | data | 4.87803345640166 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ |
Name | RVA | Size | Type | Language | Country | ZLIB Complexity |
---|---|---|---|---|---|---|
RT_MANIFEST | 0x57060 | 0x181 | XML 1.0 document, ASCII text, with CRLF line terminators | English | United States | 0.5922077922077922 |
DLL | Import |
---|---|
KERNEL32.dll | MultiByteToWideChar, EnterCriticalSection, lstrlenW, WaitForMultipleObjects, LeaveCriticalSection, InitializeCriticalSection, FindClose, GetLastError, TerminateThread, WideCharToMultiByte, ExitProcess, lstrcatW, lstrcpyW, LocalFree, HeapFree, SetLastError, HeapAlloc, GetProcessHeap |
USER32.dll | CharLowerW |
SHLWAPI.dll | StrCmpNIW, StrCpyNW |
WS2_32.dll | htons, WSAGetLastError |
Language of compilation system | Country where language is spoken | Map |
---|---|---|
English | United States |
Click to jump to process
Click to jump to process
Click to jump to process
Target ID: | 0 |
Start time: | 01:55:41 |
Start date: | 12/04/2025 |
Path: | C:\Users\user\Desktop\89.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0xfb0000 |
File size: | 68'608 bytes |
MD5 hash: | 4CFA467224EECFE2890CAEBE8B923639 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | low |
Has exited: | true |
Target ID: | 1 |
Start time: | 01:55:41 |
Start date: | 12/04/2025 |
Path: | C:\Windows\SysWOW64\cmd.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0xc70000 |
File size: | 236'544 bytes |
MD5 hash: | D0FCE3AFA6AA1D58CE9FA336CC2B675B |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | high |
Has exited: | true |