darkcomet | 57281d396b9308707868699a7fb3d32eacc664bb0fbc88767d9addbb4053398b

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

C2

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

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

Processes:

fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

4428 notepad.exe
Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

3600 msdcsc.exe

pid	process
4428	notepad.exe

pid	process
3600	msdcsc.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-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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

Modifies registry class 1 IoCs

Processes:

fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeSecurityPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeBackupPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeRestorePrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeShutdownPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeDebugPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeUndockPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: 33	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: 34	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: 35	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: 36	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3600	msdcsc.exe
Token: SeSecurityPrivilege	3600	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3600	msdcsc.exe
Token: SeLoadDriverPrivilege	3600	msdcsc.exe
Token: SeSystemProfilePrivilege	3600	msdcsc.exe
Token: SeSystemtimePrivilege	3600	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3600	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3600	msdcsc.exe
Token: SeCreatePagefilePrivilege	3600	msdcsc.exe
Token: SeBackupPrivilege	3600	msdcsc.exe
Token: SeRestorePrivilege	3600	msdcsc.exe
Token: SeShutdownPrivilege	3600	msdcsc.exe
Token: SeDebugPrivilege	3600	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3600	msdcsc.exe
Token: SeChangeNotifyPrivilege	3600	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3600	msdcsc.exe
Token: SeUndockPrivilege	3600	msdcsc.exe
Token: SeManageVolumePrivilege	3600	msdcsc.exe
Token: SeImpersonatePrivilege	3600	msdcsc.exe
Token: SeCreateGlobalPrivilege	3600	msdcsc.exe
Token: 33	3600	msdcsc.exe
Token: 34	3600	msdcsc.exe
Token: 35	3600	msdcsc.exe
Token: 36	3600	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

3600 msdcsc.exe

pid	process
3600	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe

description	pid	process	target process
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 4428	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	notepad.exe
PID 4952 wrote to memory of 3600	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	msdcsc.exe
PID 4952 wrote to memory of 3600	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	msdcsc.exe
PID 4952 wrote to memory of 3600	4952	fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe59b3e207af9fe2969ce96f79358761_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4952

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
- Deletes itself
PID:4428

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:3600

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
760KB

MD5
fe59b3e207af9fe2969ce96f79358761

SHA1
dfa507906ddbd3497cf2584b79f4b7672303e710

SHA256
57281d396b9308707868699a7fb3d32eacc664bb0fbc88767d9addbb4053398b

SHA512
f7f3fed145adbebd502e46e75db040ee878b334019c5594ef135707b2b9a8b6fb252fe2a6d9856456a1285e740b56d5eaf7b2d5888f4a3a4a9525f6e30e8d27f

Download Submit
memory/3600-63-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download
memory/3600-66-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/3600-68-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download
memory/3600-69-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4428-4-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/4952-0-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/4952-64-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads