darkcomet | bf95c38752543266aa60388f7adb5298523e02eccce8349876e92ccaf36fa6e9

General

Target

e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Size

756KB
MD5

e2ef2e2e93e39f45d6c32e320e51f878
SHA1

441dabb1e1e3ea6c6106d3c7a9d1f1ab3686b6b1
SHA256

bf95c38752543266aa60388f7adb5298523e02eccce8349876e92ccaf36fa6e9
SHA512

bafe74da5bbdbf8d6ef0045f2a583c0976f2be3ff954dd163c8d533611eb4b6abaa002195dcd3cf722690858437a991bb5c2d671f4bebbaadb642c71cd75317d
SSDEEP

12288:C9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hmbR:uZ1xuVVjfFoynPaVBUR8f+kN10EB4F

Score

10^/10

darkcomet guest16 evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-2BVSTNT

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
A3bMQgDXsfWU
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:

e2ef2e2e93e39f45d6c32e320e51f878_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"	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

msdcsc.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
evasion
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

2040 attrib.exe
2068 attrib.exe
Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

2552 msdcsc.exe
Loads dropped DLL 2 IoCs

Processes:

e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe

pid process

2264 e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
2264 e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe

pid	process
2040	attrib.exe
2068	attrib.exe

pid	process
2552	msdcsc.exe

pid	process
2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\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 behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

2552 msdcsc.exe

pid	process
2552	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeSecurityPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeBackupPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeRestorePrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeShutdownPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeDebugPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeUndockPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: 33	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: 34	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: 35	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2552	msdcsc.exe
Token: SeSecurityPrivilege	2552	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2552	msdcsc.exe
Token: SeLoadDriverPrivilege	2552	msdcsc.exe
Token: SeSystemProfilePrivilege	2552	msdcsc.exe
Token: SeSystemtimePrivilege	2552	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2552	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2552	msdcsc.exe
Token: SeCreatePagefilePrivilege	2552	msdcsc.exe
Token: SeBackupPrivilege	2552	msdcsc.exe
Token: SeRestorePrivilege	2552	msdcsc.exe
Token: SeShutdownPrivilege	2552	msdcsc.exe
Token: SeDebugPrivilege	2552	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2552	msdcsc.exe
Token: SeChangeNotifyPrivilege	2552	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2552	msdcsc.exe
Token: SeUndockPrivilege	2552	msdcsc.exe
Token: SeManageVolumePrivilege	2552	msdcsc.exe
Token: SeImpersonatePrivilege	2552	msdcsc.exe
Token: SeCreateGlobalPrivilege	2552	msdcsc.exe
Token: 33	2552	msdcsc.exe
Token: 34	2552	msdcsc.exe
Token: 35	2552	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

2552 msdcsc.exe

pid	process
2552	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.execmd.execmd.exemsdcsc.exe

description	pid	process	target process
PID 2264 wrote to memory of 1748	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 1748	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 1748	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 1748	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 1428	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 1428	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 1428	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 1428	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	cmd.exe
PID 1748 wrote to memory of 2068	1748	cmd.exe	attrib.exe
PID 1748 wrote to memory of 2068	1748	cmd.exe	attrib.exe
PID 1748 wrote to memory of 2068	1748	cmd.exe	attrib.exe
PID 1748 wrote to memory of 2068	1748	cmd.exe	attrib.exe
PID 1428 wrote to memory of 2040	1428	cmd.exe	attrib.exe
PID 1428 wrote to memory of 2040	1428	cmd.exe	attrib.exe
PID 1428 wrote to memory of 2040	1428	cmd.exe	attrib.exe
PID 1428 wrote to memory of 2040	1428	cmd.exe	attrib.exe
PID 2264 wrote to memory of 2552	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	msdcsc.exe
PID 2264 wrote to memory of 2552	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	msdcsc.exe
PID 2264 wrote to memory of 2552	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	msdcsc.exe
PID 2264 wrote to memory of 2552	2264	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	msdcsc.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe
PID 2552 wrote to memory of 2544	2552	msdcsc.exe	notepad.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

2040 attrib.exe
2068 attrib.exe

pid	process
2040	attrib.exe
2068	attrib.exe

C:\Users\Admin\AppData\Local\Temp\e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e2ef2e2e93e39f45d6c32e320e51f878_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:2264
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1428
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2040
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
756KB

MD5
e2ef2e2e93e39f45d6c32e320e51f878

SHA1
441dabb1e1e3ea6c6106d3c7a9d1f1ab3686b6b1

SHA256
bf95c38752543266aa60388f7adb5298523e02eccce8349876e92ccaf36fa6e9

SHA512
bafe74da5bbdbf8d6ef0045f2a583c0976f2be3ff954dd163c8d533611eb4b6abaa002195dcd3cf722690858437a991bb5c2d671f4bebbaadb642c71cd75317d

Download Submit
memory/2264-38-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2264-0-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2544-13-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2544-37-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2552-41-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2552-39-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2552-40-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2552-11-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2552-42-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2552-43-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2552-44-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2552-47-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2552-49-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2552-50-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2552-51-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2552-52-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads