darkcomet | d743534ac0e5438651bc24d3d5f6b26795f546d0be1f6909a4ead5e697f11b9a

Analysis

max time kernel
143s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-10-2024 15:04

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General

Target

7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Size

1.0MB
MD5

7434d1cee451fd00d640cc3946c205c3
SHA1

82710de38467e0118aeff2700300a2471f632b9e
SHA256

d743534ac0e5438651bc24d3d5f6b26795f546d0be1f6909a4ead5e697f11b9a
SHA512

76c1551bae19a5135380267e29eff600902b27189aa6a8a17745f187801a72cb6600b13fe9771123baf42b3ebf79fefee4e9a5a65e3e4028a5f2d8cc61732e72
SSDEEP

24576:MZ1xuVVjfFoynPaVBUR8f+kN10EBwFPwIFPlGykr:8QDgok30hFPLFP/kr

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

lingfluke123.dyndns-pics.com:200

lingfluke123.dyndns-pics:1604

lingfluke123.dyndns-pics:81

182.52.159.26 :200

127.0.0.1:200

Mutex

DC_MUTEX-WAMU0AD

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
seu3Z6jF5qdA
install
true
offline_keylogger
true
password
123456
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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2564	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
3024	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3024 set thread context of 2988	3024	msdcsc.exe	32

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 4 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	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeSecurityPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeBackupPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeRestorePrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeShutdownPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeDebugPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeUndockPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: 33	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: 34	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: 35	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3024	msdcsc.exe
Token: SeSecurityPrivilege	3024	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3024	msdcsc.exe
Token: SeLoadDriverPrivilege	3024	msdcsc.exe
Token: SeSystemProfilePrivilege	3024	msdcsc.exe
Token: SeSystemtimePrivilege	3024	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3024	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3024	msdcsc.exe
Token: SeCreatePagefilePrivilege	3024	msdcsc.exe
Token: SeBackupPrivilege	3024	msdcsc.exe
Token: SeRestorePrivilege	3024	msdcsc.exe
Token: SeShutdownPrivilege	3024	msdcsc.exe
Token: SeDebugPrivilege	3024	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3024	msdcsc.exe
Token: SeChangeNotifyPrivilege	3024	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3024	msdcsc.exe
Token: SeUndockPrivilege	3024	msdcsc.exe
Token: SeManageVolumePrivilege	3024	msdcsc.exe
Token: SeImpersonatePrivilege	3024	msdcsc.exe
Token: SeCreateGlobalPrivilege	3024	msdcsc.exe
Token: 33	3024	msdcsc.exe
Token: 34	3024	msdcsc.exe
Token: 35	3024	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	2988	iexplore.exe
Token: SeSecurityPrivilege	2988	iexplore.exe
Token: SeTakeOwnershipPrivilege	2988	iexplore.exe
Token: SeLoadDriverPrivilege	2988	iexplore.exe
Token: SeSystemProfilePrivilege	2988	iexplore.exe
Token: SeSystemtimePrivilege	2988	iexplore.exe
Token: SeProfSingleProcessPrivilege	2988	iexplore.exe
Token: SeIncBasePriorityPrivilege	2988	iexplore.exe
Token: SeCreatePagefilePrivilege	2988	iexplore.exe
Token: SeBackupPrivilege	2988	iexplore.exe
Token: SeRestorePrivilege	2988	iexplore.exe
Token: SeShutdownPrivilege	2988	iexplore.exe
Token: SeDebugPrivilege	2988	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2988	iexplore.exe
Token: SeChangeNotifyPrivilege	2988	iexplore.exe
Token: SeRemoteShutdownPrivilege	2988	iexplore.exe
Token: SeUndockPrivilege	2988	iexplore.exe
Token: SeManageVolumePrivilege	2988	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2988	iexplore.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2564	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	30
PID 2736 wrote to memory of 3024	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	31
PID 2736 wrote to memory of 3024	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	31
PID 2736 wrote to memory of 3024	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	31
PID 2736 wrote to memory of 3024	2736	7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe	31
PID 3024 wrote to memory of 2988	3024	msdcsc.exe	32
PID 3024 wrote to memory of 2988	3024	msdcsc.exe	32
PID 3024 wrote to memory of 2988	3024	msdcsc.exe	32
PID 3024 wrote to memory of 2988	3024	msdcsc.exe	32
PID 3024 wrote to memory of 2988	3024	msdcsc.exe	32
PID 3024 wrote to memory of 2988	3024	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7434d1cee451fd00d640cc3946c205c3_JaffaCakes118.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:2736
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2564
- C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - 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:3024
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2988

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

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\AppData\Local\Temp\MSDCSC\msdcsc.exe

Filesize
1.0MB

MD5
7434d1cee451fd00d640cc3946c205c3

SHA1
82710de38467e0118aeff2700300a2471f632b9e

SHA256
d743534ac0e5438651bc24d3d5f6b26795f546d0be1f6909a4ead5e697f11b9a

SHA512
76c1551bae19a5135380267e29eff600902b27189aa6a8a17745f187801a72cb6600b13fe9771123baf42b3ebf79fefee4e9a5a65e3e4028a5f2d8cc61732e72

Download Submit
memory/2564-20-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2564-5-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2736-0-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2736-32-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/2988-30-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/3024-31-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads