darkcomet | 57281d396b9308707868699a7fb3d32eacc664bb0fbc88767d9addbb4053398b

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-04-2024 03:44

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General

Target

fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Size

760KB
MD5

fe59b3e207af9fe2969ce96f79358761
SHA1

dfa507906ddbd3497cf2584b79f4b7672303e710
SHA256

57281d396b9308707868699a7fb3d32eacc664bb0fbc88767d9addbb4053398b
SHA512

f7f3fed145adbebd502e46e75db040ee878b334019c5594ef135707b2b9a8b6fb252fe2a6d9856456a1285e740b56d5eaf7b2d5888f4a3a4a9525f6e30e8d27f
SSDEEP

12288:i3OpvNW4a76S/Ddon/m09bbYlIaaMcE2YGhq3vo1RnfAvIESJgoE26yc/RU:MOA4aWNn/m09fKIaaBEtWq3A1Ov8JgbK

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

41.68.138.235:1604

Mutex

DC_MUTEX-JZ6FMXB

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
r6i0G5J0NCmb
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

notepad.exe

pid	Process
2028	notepad.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid	Process
2616	msdcsc.exe

Loads dropped DLL 2 IoCs

Processes:

fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe

pid	Process
2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exemsdcsc.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exemsdcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeSecurityPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeBackupPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeRestorePrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeShutdownPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeDebugPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeUndockPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: 33	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: 34	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: 35	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2616	msdcsc.exe
Token: SeSecurityPrivilege	2616	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2616	msdcsc.exe
Token: SeLoadDriverPrivilege	2616	msdcsc.exe
Token: SeSystemProfilePrivilege	2616	msdcsc.exe
Token: SeSystemtimePrivilege	2616	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2616	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2616	msdcsc.exe
Token: SeCreatePagefilePrivilege	2616	msdcsc.exe
Token: SeBackupPrivilege	2616	msdcsc.exe
Token: SeRestorePrivilege	2616	msdcsc.exe
Token: SeShutdownPrivilege	2616	msdcsc.exe
Token: SeDebugPrivilege	2616	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2616	msdcsc.exe
Token: SeChangeNotifyPrivilege	2616	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2616	msdcsc.exe
Token: SeUndockPrivilege	2616	msdcsc.exe
Token: SeManageVolumePrivilege	2616	msdcsc.exe
Token: SeImpersonatePrivilege	2616	msdcsc.exe
Token: SeCreateGlobalPrivilege	2616	msdcsc.exe
Token: 33	2616	msdcsc.exe
Token: 34	2616	msdcsc.exe
Token: 35	2616	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid	Process
2616	msdcsc.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2028	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2616	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2616	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2616	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2616	2320	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  PID:2028
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2616

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
760KB

MD5
fe59b3e207af9fe2969ce96f79358761

SHA1
dfa507906ddbd3497cf2584b79f4b7672303e710

SHA256
57281d396b9308707868699a7fb3d32eacc664bb0fbc88767d9addbb4053398b

SHA512
f7f3fed145adbebd502e46e75db040ee878b334019c5594ef135707b2b9a8b6fb252fe2a6d9856456a1285e740b56d5eaf7b2d5888f4a3a4a9525f6e30e8d27f

Download Submit
memory/2028-4-0x0000000000010000-0x0000000000011000-memory.dmp

Filesize
4KB

Download
memory/2028-25-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2320-0-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2320-35-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2616-34-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2616-37-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2616-39-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download