darkcomet | 16d6ba49863d65c4377d5b4b3bc03882ce644435de0fa568a56dc597e0aa0b9e

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 07:35

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General

Target

JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Size

743KB
MD5

3d50a9707cd3d351e41b1c03ac348747
SHA1

0b812ea13f265570dc3a2b856daf9eba681cc38b
SHA256

16d6ba49863d65c4377d5b4b3bc03882ce644435de0fa568a56dc597e0aa0b9e
SHA512

5e594923ab3bf14bef7f84fbe950bc82b2ecdd73781760e3571a4b87a5b054446bd107689fe6d1e4b7c50f950d052caef91595713f8679bc3f8d45a1cdbe7bfd
SSDEEP

12288:WK9n5bJYhJubTiKKe0Qz9sS8kEQ2LnbK5BO3V2V715a1jHxQ+Ga6L2uUYEHYhwy:55FY3ubTiKr0Qz9sPk72X3QUzyra6L2V

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

danielschmidt.sytes.net:1604

Mutex

DC_MUTEX-54QW4V1

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
SWwC3SJbg4EW
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
Darkcomet family
darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

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"	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2864	attrib.exe

Deletes itself 1 IoCs

pid	Process
2684	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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

System Location Discovery: System Language Discovery 1 TTPs 6 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	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2808	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeSecurityPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeTakeOwnershipPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeLoadDriverPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeSystemProfilePrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeSystemtimePrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeProfSingleProcessPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeIncBasePriorityPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeCreatePagefilePrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeBackupPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeRestorePrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeShutdownPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeDebugPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeSystemEnvironmentPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeChangeNotifyPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeRemoteShutdownPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeUndockPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeManageVolumePrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeImpersonatePrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeCreateGlobalPrivilege	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: 33	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: 34	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: 35	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
Token: SeIncreaseQuotaPrivilege	2808	msdcsc.exe
Token: SeSecurityPrivilege	2808	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2808	msdcsc.exe
Token: SeLoadDriverPrivilege	2808	msdcsc.exe
Token: SeSystemProfilePrivilege	2808	msdcsc.exe
Token: SeSystemtimePrivilege	2808	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2808	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2808	msdcsc.exe
Token: SeCreatePagefilePrivilege	2808	msdcsc.exe
Token: SeBackupPrivilege	2808	msdcsc.exe
Token: SeRestorePrivilege	2808	msdcsc.exe
Token: SeShutdownPrivilege	2808	msdcsc.exe
Token: SeDebugPrivilege	2808	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2808	msdcsc.exe
Token: SeChangeNotifyPrivilege	2808	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2808	msdcsc.exe
Token: SeUndockPrivilege	2808	msdcsc.exe
Token: SeManageVolumePrivilege	2808	msdcsc.exe
Token: SeImpersonatePrivilege	2808	msdcsc.exe
Token: SeCreateGlobalPrivilege	2808	msdcsc.exe
Token: 33	2808	msdcsc.exe
Token: 34	2808	msdcsc.exe
Token: 35	2808	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2808	msdcsc.exe

Suspicious use of WriteProcessMemory 53 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 1780	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	30
PID 1892 wrote to memory of 1780	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	30
PID 1892 wrote to memory of 1780	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	30
PID 1892 wrote to memory of 1780	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	30
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1892 wrote to memory of 2684	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	31
PID 1780 wrote to memory of 2864	1780	cmd.exe	33
PID 1780 wrote to memory of 2864	1780	cmd.exe	33
PID 1780 wrote to memory of 2864	1780	cmd.exe	33
PID 1780 wrote to memory of 2864	1780	cmd.exe	33
PID 1892 wrote to memory of 2808	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	34
PID 1892 wrote to memory of 2808	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	34
PID 1892 wrote to memory of 2808	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	34
PID 1892 wrote to memory of 2808	1892	JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe	34
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35
PID 2808 wrote to memory of 2632	2808	msdcsc.exe	35

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2864	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d50a9707cd3d351e41b1c03ac348747.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2864
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2632

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\jI82l\PCGWIN32.LI5

Filesize
2KB

MD5
e385fe31847919cb5f67e6388cdd955e

SHA1
5362abaf6ce63423b06779d59c49776ffbdf818e

SHA256
6ce09519b77f662b22108b274bbcd37bb08d2356ad541d0157a68733558ccdee

SHA512
7845e6098b636671b6cd5d8ad19ebe6f4ab428d2c1bb0f71e2962271c6a7a5568fb1c2c7d2da8901bad350a4ba576fd5356b490d322bf61997667d5909569cca

Download Submit
C:\ProgramData\jI82l\PCGWIN32.LI5

Filesize
2KB

MD5
6f8f6bce5c60b53110a30e1baf7ee039

SHA1
54cb2c8530e8dd68b4662ce5add87b73c839f62c

SHA256
fa996cd899b371916013e0172385e20165ffdb9123f28341656429645cd314fc

SHA512
c37fafb57e9c0cbb53052551f83409276cd3fda12bfa85a85f50e990f23210e8edc22b5356bb326176f5b6120789dd96e908b63cc64d3ed940d8de89d14c5561

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
743KB

MD5
3d50a9707cd3d351e41b1c03ac348747

SHA1
0b812ea13f265570dc3a2b856daf9eba681cc38b

SHA256
16d6ba49863d65c4377d5b4b3bc03882ce644435de0fa568a56dc597e0aa0b9e

SHA512
5e594923ab3bf14bef7f84fbe950bc82b2ecdd73781760e3571a4b87a5b054446bd107689fe6d1e4b7c50f950d052caef91595713f8679bc3f8d45a1cdbe7bfd

Download Submit
memory/1892-8-0x0000000001D80000-0x0000000001D81000-memory.dmp

Filesize
4KB

Download
memory/1892-91-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1892-2-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1892-41-0x0000000003D40000-0x0000000003E07000-memory.dmp

Filesize
796KB

Download
memory/1892-40-0x0000000003D40000-0x0000000003E07000-memory.dmp

Filesize
796KB

Download
memory/2632-90-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/2684-31-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2684-12-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2808-43-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2808-93-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2808-94-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2808-95-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2808-96-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads