darkcomet | 53ecb9edade4262d5837c9fa4e1bc3dfa4fee2a2d4b3469caefe1345cfdd89dc

General

Target
741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe
Size 908KB
Sample240726-p2agpaydmp
SHA256 53ecb9edade4262d5837c9fa4e1bc3dfa4fee2a2d4b3469caefe1345cfdd89dc
MD5 741f2201d2eed8facfa78ef34bb86ee4
SHA1 260759e0b822eaf96473eafc97b33653407c97a2
SHA512 b88503ed4716e5c6418f787784b3c9a3975e4f6600169732d7e527c9274216056c3fe17cdb7a4b91cd8db1eb6c2c14b78b1f01b495b7ac4b6768c7e6f7cf28af
SSDEEP 24576:yW41lKAew2NT5TPH3iVYqPKzeon0GgfiCa5NtT:y7QNtbyVY++zxeiCu
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

gambach.zapto.org:1604

Mutex

DC_MUTEX-VGG3PBF

Attributes

InstallPath
MSDCSC\svchost.exe
gencode
urJ1wYnwUEW2
install
true
offline_keylogger
true
password
0123456789
persistence
true
reg_key
Systemupdate

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3048	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe

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-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe"	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3660 set thread context of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1416	3048	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3048	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85
PID 3660 wrote to memory of 3048	3660	741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3660
- C:\Users\Admin\AppData\Local\Temp\741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:3048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 12
    3⤵
    - Program crash
    PID:1416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3048 -ip 3048
1⤵
PID:1752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe

Path C:\Users\Admin\AppData\Local\Temp\741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe
Size 908KB
SHA256 53ecb9edade4262d5837c9fa4e1bc3dfa4fee2a2d4b3469caefe1345cfdd89dc
MD5 741f2201d2eed8facfa78ef34bb86ee4
SHA1 260759e0b822eaf96473eafc97b33653407c97a2
SHA512 b88503ed4716e5c6418f787784b3c9a3975e4f6600169732d7e527c9274216056c3fe17cdb7a4b91cd8db1eb6c2c14b78b1f01b495b7ac4b6768c7e6f7cf28af
SSDEEP 24576:yW41lKAew2NT5TPH3iVYqPKzeon0GgfiCa5NtT:y7QNtbyVY++zxeiCu
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3048-4-0x0000000000400000-0x00000000004B4000-memory.dmp

Download

memory/3660-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Download

memory/3660-1-0x00000000009A0000-0x0000000000A8A000-memory.dmp

Download

memory/3660-2-0x0000000005370000-0x000000000540C000-memory.dmp

Download

memory/3660-3-0x0000000001400000-0x000000000140A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads