darkcomet | edf7a365e594729cb046b5c335176d52084e818f1784bd7d9b563a8dbad052ad

General

Target

2d9714edff846b0f84a8ee626fd26896_JaffaCakes118.exe
Size

954KB
MD5

2d9714edff846b0f84a8ee626fd26896
SHA1

a98d6f029c00b5819f25347f4d33d4c0afe0aeaf
SHA256

edf7a365e594729cb046b5c335176d52084e818f1784bd7d9b563a8dbad052ad
SHA512

f7084d99cada324db7e1014b61a872f5cf00a724124cd7371a14ccadf53586bb4ad0348e5a3f886f54e9c4bdb2f5dd56336cdba7e9ec6f515b82888d047c7b65
SSDEEP

24576:fiRfuXiRfeAmBpVKHu0Mu9Xo20VGLVP5ZD0QZh9ux:QmYGAmKZVwx

Score

10^/10

darkcomet persistence rat trojan

Malware Config

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:

tle0E57418D.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\MSDCSC\\msdcsc.exe"	tle0E57418D.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:

tle0E57418D.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	tle0E57418D.exe

Executes dropped EXE 2 IoCs

Processes:

tle0E57418D.exemsdcsc.exe

pid process

4612 tle0E57418D.exe
3476 msdcsc.exe

pid	process
4612	tle0E57418D.exe
3476	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

tle0E57418D.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe"	tle0E57418D.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Drops file in Windows directory 3 IoCs

Processes:

tle0E57418D.exe

description	ioc	process
File created	C:\Windows\MSDCSC\msdcsc.exe	tle0E57418D.exe
File opened for modification	C:\Windows\MSDCSC\msdcsc.exe	tle0E57418D.exe
File opened for modification	C:\Windows\MSDCSC\	tle0E57418D.exe

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

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4444 PING.EXE

pid	process
4444	PING.EXE

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

tle0E57418D.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4612	tle0E57418D.exe
Token: SeSecurityPrivilege	4612	tle0E57418D.exe
Token: SeTakeOwnershipPrivilege	4612	tle0E57418D.exe
Token: SeLoadDriverPrivilege	4612	tle0E57418D.exe
Token: SeSystemProfilePrivilege	4612	tle0E57418D.exe
Token: SeSystemtimePrivilege	4612	tle0E57418D.exe
Token: SeProfSingleProcessPrivilege	4612	tle0E57418D.exe
Token: SeIncBasePriorityPrivilege	4612	tle0E57418D.exe
Token: SeCreatePagefilePrivilege	4612	tle0E57418D.exe
Token: SeBackupPrivilege	4612	tle0E57418D.exe
Token: SeRestorePrivilege	4612	tle0E57418D.exe
Token: SeShutdownPrivilege	4612	tle0E57418D.exe
Token: SeDebugPrivilege	4612	tle0E57418D.exe
Token: SeSystemEnvironmentPrivilege	4612	tle0E57418D.exe
Token: SeChangeNotifyPrivilege	4612	tle0E57418D.exe
Token: SeRemoteShutdownPrivilege	4612	tle0E57418D.exe
Token: SeUndockPrivilege	4612	tle0E57418D.exe
Token: SeManageVolumePrivilege	4612	tle0E57418D.exe
Token: SeImpersonatePrivilege	4612	tle0E57418D.exe
Token: SeCreateGlobalPrivilege	4612	tle0E57418D.exe
Token: 33	4612	tle0E57418D.exe
Token: 34	4612	tle0E57418D.exe
Token: 35	4612	tle0E57418D.exe
Token: 36	4612	tle0E57418D.exe
Token: SeIncreaseQuotaPrivilege	3476	msdcsc.exe
Token: SeSecurityPrivilege	3476	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3476	msdcsc.exe
Token: SeLoadDriverPrivilege	3476	msdcsc.exe
Token: SeSystemProfilePrivilege	3476	msdcsc.exe
Token: SeSystemtimePrivilege	3476	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3476	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3476	msdcsc.exe
Token: SeCreatePagefilePrivilege	3476	msdcsc.exe
Token: SeBackupPrivilege	3476	msdcsc.exe
Token: SeRestorePrivilege	3476	msdcsc.exe
Token: SeShutdownPrivilege	3476	msdcsc.exe
Token: SeDebugPrivilege	3476	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3476	msdcsc.exe
Token: SeChangeNotifyPrivilege	3476	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3476	msdcsc.exe
Token: SeUndockPrivilege	3476	msdcsc.exe
Token: SeManageVolumePrivilege	3476	msdcsc.exe
Token: SeImpersonatePrivilege	3476	msdcsc.exe
Token: SeCreateGlobalPrivilege	3476	msdcsc.exe
Token: 33	3476	msdcsc.exe
Token: 34	3476	msdcsc.exe
Token: 35	3476	msdcsc.exe
Token: 36	3476	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

3476 msdcsc.exe

pid	process
3476	msdcsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

2d9714edff846b0f84a8ee626fd26896_JaffaCakes118.exetle0E57418D.execmd.exe

description	pid	process	target process
PID 3104 wrote to memory of 4612	3104	2d9714edff846b0f84a8ee626fd26896_JaffaCakes118.exe	tle0E57418D.exe
PID 3104 wrote to memory of 4612	3104	2d9714edff846b0f84a8ee626fd26896_JaffaCakes118.exe	tle0E57418D.exe
PID 3104 wrote to memory of 4612	3104	2d9714edff846b0f84a8ee626fd26896_JaffaCakes118.exe	tle0E57418D.exe
PID 4612 wrote to memory of 3476	4612	tle0E57418D.exe	msdcsc.exe
PID 4612 wrote to memory of 3476	4612	tle0E57418D.exe	msdcsc.exe
PID 4612 wrote to memory of 3476	4612	tle0E57418D.exe	msdcsc.exe
PID 4612 wrote to memory of 2256	4612	tle0E57418D.exe	cmd.exe
PID 4612 wrote to memory of 2256	4612	tle0E57418D.exe	cmd.exe
PID 4612 wrote to memory of 2256	4612	tle0E57418D.exe	cmd.exe
PID 2256 wrote to memory of 4444	2256	cmd.exe	PING.EXE
PID 2256 wrote to memory of 4444	2256	cmd.exe	PING.EXE
PID 2256 wrote to memory of 4444	2256	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\2d9714edff846b0f84a8ee626fd26896_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2d9714edff846b0f84a8ee626fd26896_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3104

C:\Users\Admin\AppData\Local\Temp\tle0E57418D.exe
C:\Users\Admin\AppData\Local\Temp\tle0E57418D.exe
2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4612

C:\Windows\MSDCSC\msdcsc.exe
"C:\Windows\MSDCSC\msdcsc.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3476

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\tle0E57418D.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:2256

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 5
4⤵
- Runs ping.exe
PID:4444

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

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tle0E57418D.exe
Filesize
746KB

MD5
55381d429466565ec99dc43e24b2285c

SHA1
24cb8635cf641fec22b8c3d4790e96ab8e96298d

SHA256
dee3b2b643025ead5fe67543fe324183c4432103ac454f02652ce2f8210fe1af

SHA512
7609f4cd0c98150a5b09fb816e11663539fbd434de9f937c327994cbedb6ec28d49e9b0eca217a4d8aea1bbbbb97525e975bef01f40ceb29ec36f86c576128ba

Download Submit
memory/3104-3-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3476-21-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-24-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-17-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/3476-18-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-19-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-20-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-31-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-22-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-23-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-30-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-25-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-26-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-27-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-28-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/3476-29-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/4612-16-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/4612-5-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads