darkcomet | 05de20b6dad91d2e08aad0d972505349ea9200f9031f7102b64e2d727bcd2bab

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
26/03/2025, 13:09

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General

Target

JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Size

974KB
MD5

891841bb3c79df55c6a12f253c68634f
SHA1

fbed8caf142abb21c0cc5ee0bda6889142cb1002
SHA256

05de20b6dad91d2e08aad0d972505349ea9200f9031f7102b64e2d727bcd2bab
SHA512

418073d1ac1a4eb0357c36a07702db7ba85202f1caa7818c8167db73879f7d7f8fd871d75c66ff3896bd63e2935188c8c461aaaa988929698e51a04eaf189a55
SSDEEP

12288:qDN2hotfaIcLPY+PDU4jPf8pH9PlxeMJxYB3EiNH858wSqs+c8UKSwCPdD:GN2itCICUiEpH93mBUsLwpMKRCPdD

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

Extracted

Family

darkcomet

Botnet

Guest16

ciahacker0.no-ip.org:1604

Mutex

DC_MUTEX-XT509RT

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
UBlWT37YtZmm
install
true
offline_keylogger
true
password
123
persistence
true
reg_key
MicroUpdate

rc4.plain

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_891841bb3c79df55c6a12f253c68634f.exe

Windows security bypass 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2736	attrib.exe
2436	attrib.exe

Executes dropped EXE 2 IoCs

pid	Process
2788	msdcsc.exe
2748	msdcsc.exe

Loads dropped DLL 3 IoCs

pid	Process
2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
2788	msdcsc.exe

Windows security modification 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 2788 set thread context of 2748	2788	msdcsc.exe	38
PID 2748 set thread context of 2896	2748	msdcsc.exe	39

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Internet Explorer\iexplore.exe	iexplore.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 9 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_891841bb3c79df55c6a12f253c68634f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.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	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeSecurityPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeTakeOwnershipPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeLoadDriverPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeSystemProfilePrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeSystemtimePrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeProfSingleProcessPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeIncBasePriorityPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeCreatePagefilePrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeBackupPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeRestorePrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeShutdownPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeDebugPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeSystemEnvironmentPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeChangeNotifyPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeRemoteShutdownPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeUndockPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeManageVolumePrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeImpersonatePrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeCreateGlobalPrivilege	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: 33	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: 34	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: 35	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
Token: SeIncreaseQuotaPrivilege	2748	msdcsc.exe
Token: SeSecurityPrivilege	2748	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2748	msdcsc.exe
Token: SeLoadDriverPrivilege	2748	msdcsc.exe
Token: SeSystemProfilePrivilege	2748	msdcsc.exe
Token: SeSystemtimePrivilege	2748	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2748	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2748	msdcsc.exe
Token: SeCreatePagefilePrivilege	2748	msdcsc.exe
Token: SeBackupPrivilege	2748	msdcsc.exe
Token: SeRestorePrivilege	2748	msdcsc.exe
Token: SeShutdownPrivilege	2748	msdcsc.exe
Token: SeDebugPrivilege	2748	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2748	msdcsc.exe
Token: SeChangeNotifyPrivilege	2748	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2748	msdcsc.exe
Token: SeUndockPrivilege	2748	msdcsc.exe
Token: SeManageVolumePrivilege	2748	msdcsc.exe
Token: SeImpersonatePrivilege	2748	msdcsc.exe
Token: SeCreateGlobalPrivilege	2748	msdcsc.exe
Token: 33	2748	msdcsc.exe
Token: 34	2748	msdcsc.exe
Token: 35	2748	msdcsc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
2788	msdcsc.exe
2896	iexplore.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 1988 wrote to memory of 2280	1988	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	30
PID 2280 wrote to memory of 1668	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	31
PID 2280 wrote to memory of 1668	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	31
PID 2280 wrote to memory of 1668	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	31
PID 2280 wrote to memory of 1668	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	31
PID 2280 wrote to memory of 2276	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	32
PID 2280 wrote to memory of 2276	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	32
PID 2280 wrote to memory of 2276	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	32
PID 2280 wrote to memory of 2276	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	32
PID 1668 wrote to memory of 2736	1668	cmd.exe	36
PID 1668 wrote to memory of 2736	1668	cmd.exe	36
PID 1668 wrote to memory of 2736	1668	cmd.exe	36
PID 1668 wrote to memory of 2736	1668	cmd.exe	36
PID 2276 wrote to memory of 2436	2276	cmd.exe	35
PID 2276 wrote to memory of 2436	2276	cmd.exe	35
PID 2276 wrote to memory of 2436	2276	cmd.exe	35
PID 2276 wrote to memory of 2436	2276	cmd.exe	35
PID 2280 wrote to memory of 2788	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	37
PID 2280 wrote to memory of 2788	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	37
PID 2280 wrote to memory of 2788	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	37
PID 2280 wrote to memory of 2788	2280	JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe	37
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2788 wrote to memory of 2748	2788	msdcsc.exe	38
PID 2748 wrote to memory of 2896	2748	msdcsc.exe	39
PID 2748 wrote to memory of 2896	2748	msdcsc.exe	39
PID 2748 wrote to memory of 2896	2748	msdcsc.exe	39
PID 2748 wrote to memory of 2896	2748	msdcsc.exe	39
PID 2748 wrote to memory of 2896	2748	msdcsc.exe	39
PID 2748 wrote to memory of 2896	2748	msdcsc.exe	39

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2736	attrib.exe
2436	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe"
  2⤵
  - 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:2280
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1668
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_891841bb3c79df55c6a12f253c68634f.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2736
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2276
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2436
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2788
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      4⤵
      Windows security bypass
      Executes dropped EXE
      Windows security modification
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2748
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Drops file in Program Files directory
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:2896

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

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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

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

Filesize
974KB

MD5
891841bb3c79df55c6a12f253c68634f

SHA1
fbed8caf142abb21c0cc5ee0bda6889142cb1002

SHA256
05de20b6dad91d2e08aad0d972505349ea9200f9031f7102b64e2d727bcd2bab

SHA512
418073d1ac1a4eb0357c36a07702db7ba85202f1caa7818c8167db73879f7d7f8fd871d75c66ff3896bd63e2935188c8c461aaaa988929698e51a04eaf189a55

Download Submit
memory/2280-5-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-14-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-2-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-15-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-6-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2280-18-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-8-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-60-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2748-56-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2748-54-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2748-53-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-55-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads