darkcomet | 76902e9c4d29623222dd89ceb4b022e052e26bc9e2f9366238edc3ce85e1b481

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2024, 03:41

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General

Target
20f678aaf701cd00762e5cfe21c1ac56_JaffaCakes118.exe
Size 1.7MB
Sample240703-d813fazdpj
SHA256 76902e9c4d29623222dd89ceb4b022e052e26bc9e2f9366238edc3ce85e1b481
MD5 20f678aaf701cd00762e5cfe21c1ac56
SHA1 22a754ea8fd69494b2fc5daee7e0933b33795f40
SHA512 48fd14741d597bae57e51e6bc1152f4d32b6b6b09191fe3f9c279975f1962f973ac15cf301b8c9fd7aa4e199fee0294a894328d5590140e60dbcecd1c36162e5
SSDEEP 49152:iEz/WQqAKLrv6l+5aQGEejaVbzgFyt5443hnbIAHy+SHOcD7Nms5dJa0IH26s/IG:jTWQqrL7asaQGEejaVbzg0r3hn/SRHbR
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet persistence rat spyware stealer trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	20f678aaf701cd00762e5cfe21c1ac56_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

pid	Process
3092	Explorer.exe
2660	cvtres.exe
4092	cvtres.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Explorer = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Explorer.exe"	Explorer.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3092 set thread context of 2660	3092	Explorer.exe	84
PID 3092 set thread context of 4092	3092	Explorer.exe	85

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3092	Explorer.exe
Token: SeIncreaseQuotaPrivilege	2660	cvtres.exe
Token: SeSecurityPrivilege	2660	cvtres.exe
Token: SeTakeOwnershipPrivilege	2660	cvtres.exe
Token: SeLoadDriverPrivilege	2660	cvtres.exe
Token: SeSystemProfilePrivilege	2660	cvtres.exe
Token: SeSystemtimePrivilege	2660	cvtres.exe
Token: SeProfSingleProcessPrivilege	2660	cvtres.exe
Token: SeIncBasePriorityPrivilege	2660	cvtres.exe
Token: SeCreatePagefilePrivilege	2660	cvtres.exe
Token: SeBackupPrivilege	2660	cvtres.exe
Token: SeRestorePrivilege	2660	cvtres.exe
Token: SeShutdownPrivilege	2660	cvtres.exe
Token: SeDebugPrivilege	2660	cvtres.exe
Token: SeSystemEnvironmentPrivilege	2660	cvtres.exe
Token: SeChangeNotifyPrivilege	2660	cvtres.exe
Token: SeRemoteShutdownPrivilege	2660	cvtres.exe
Token: SeUndockPrivilege	2660	cvtres.exe
Token: SeManageVolumePrivilege	2660	cvtres.exe
Token: SeImpersonatePrivilege	2660	cvtres.exe
Token: SeCreateGlobalPrivilege	2660	cvtres.exe
Token: 33	2660	cvtres.exe
Token: 34	2660	cvtres.exe
Token: 35	2660	cvtres.exe
Token: 36	2660	cvtres.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2660	cvtres.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 3092	2136	20f678aaf701cd00762e5cfe21c1ac56_JaffaCakes118.exe	83
PID 2136 wrote to memory of 3092	2136	20f678aaf701cd00762e5cfe21c1ac56_JaffaCakes118.exe	83
PID 2136 wrote to memory of 3092	2136	20f678aaf701cd00762e5cfe21c1ac56_JaffaCakes118.exe	83
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 2660	3092	Explorer.exe	84
PID 3092 wrote to memory of 4092	3092	Explorer.exe	85
PID 3092 wrote to memory of 4092	3092	Explorer.exe	85
PID 3092 wrote to memory of 4092	3092	Explorer.exe	85
PID 3092 wrote to memory of 4092	3092	Explorer.exe	85
PID 3092 wrote to memory of 4092	3092	Explorer.exe	85
PID 3092 wrote to memory of 4092	3092	Explorer.exe	85
PID 3092 wrote to memory of 4092	3092	Explorer.exe	85
PID 3092 wrote to memory of 4092	3092	Explorer.exe	85
PID 3092 wrote to memory of 4092	3092	Explorer.exe	85

C:\Users\Admin\AppData\Local\Temp\20f678aaf701cd00762e5cfe21c1ac56_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\20f678aaf701cd00762e5cfe21c1ac56_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Local\Temp\Explorer.exe
  "C:\Users\Admin\AppData\Local\Temp\Explorer.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3092
- - C:\Users\Admin\AppData\Local\Temp\cvtres.exe
    C:\Users\Admin\AppData\Local\Temp\cvtres.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2660
- - C:\Users\Admin\AppData\Local\Temp\cvtres.exe
    C:\Users\Admin\AppData\Local\Temp\cvtres.exe
    3⤵
    - Executes dropped EXE
    PID:4092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Explorer.exe

Path C:\Users\Admin\AppData\Local\Temp\Explorer.exe
Size 1.1MB
SHA256 b1f6271b9b6dbfc600b7daa6ed8bfd037827f54706d13ba2c50004d6e2ddca91
MD5 3aab9e9c1d2a52a6b357ed7ce6475771
SHA1 b193407110b0f2b054abef12cd25dd0083255399
SHA512 bcd517dd73554bfcf573765cf20107d95acb7431dd2127101a12169d108930f92498d2783d09bb0995e41c5a7761dbe46945ba82bf84e0b33fffce806531564c
SSDEEP 24576:r0GfMejEFVQ2zLa7FFy8254NK3nhnbIXwHy+SHO7JaBbJD7N8zs5dCq3aifI+62S:AGEejaVbzgFyt5443hnbIAHy+SHOcD7m
MD5 SHA1 SHA512 SSDEEP

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cvtres.exe

Path C:\Users\Admin\AppData\Local\Temp\cvtres.exe
Size 34KB
SHA256 3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9
MD5 e118330b4629b12368d91b9df6488be0
SHA1 ce90218c7e3b90df2a3409ec253048bb6472c2fd
SHA512 ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0
SSDEEP 768:Paq4bp49YK+2Cza0pS6icHmMl9CvwOElkn3yKdn5y85p3:ud4+KTMVJHmMsEBKdn5vj
MD5 SHA1 SHA512 SSDEEP

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memory/2136-1-0x0000000075140000-0x00000000756F1000-memory.dmp

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memory/2136-2-0x0000000075140000-0x00000000756F1000-memory.dmp

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memory/2136-15-0x0000000075140000-0x00000000756F1000-memory.dmp

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memory/2136-0-0x0000000075142000-0x0000000075143000-memory.dmp

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memory/2660-40-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-39-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-22-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-55-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-52-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-48-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-46-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-44-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-23-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-38-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-19-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-41-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-42-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2660-25-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/3092-17-0x0000000075140000-0x00000000756F1000-memory.dmp

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memory/3092-29-0x0000000075140000-0x00000000756F1000-memory.dmp

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memory/3092-35-0x0000000075140000-0x00000000756F1000-memory.dmp

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memory/4092-26-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/4092-31-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/4092-36-0x0000000000400000-0x0000000000458000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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