darkcomet | b2d4c2b337d19df6b8c556285ce9ad59f2a5beb8d7993d8e731a48f20dcaa752

Analysis

max time kernel
136s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/01/2025, 07:18

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General

Target

JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Size

681KB
MD5

0b7d5bfc592ba2082abd593fd53e2b58
SHA1

e47a13cdd1b462efc68d2a68e8413c61d382d635
SHA256

b2d4c2b337d19df6b8c556285ce9ad59f2a5beb8d7993d8e731a48f20dcaa752
SHA512

568dc8e3e56ba07cb752aa513acddb3fbb2a183222b92d25af106acd63068a51156bdf360359ca1a730e50a5a81922f0d373f5ea671e073e5ce396ea552a069f
SSDEEP

12288:Qk0QNlxOnizg37k4LUSd0rv5WvYW5HMzLXj9pqQd7cqESAYi991fA/aVRZ:J0QpGih4bd0rv5+l5szLXj917cqPu91b

Score

10^/10

darkcomet zombie defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Zombie

anonymous-hr.zapto.org:5150

127.0.0.1:5150

Mutex

DC_MUTEX-GND5LQ6

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
fvkBdq5YuSX7
install
true
offline_keylogger
true
persistence
false
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_0b7d5bfc592ba2082abd593fd53e2b58.exe

Modifies security service 2 TTPs 2 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	iexplore.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\AntiVirusDisableNotify = "1"	iexplore.exe

Executes dropped EXE 1 IoCs

pid	Process
2232	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe

Windows security modification 2 TTPs 1 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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2208	2232	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 3 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_0b7d5bfc592ba2082abd593fd53e2b58.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	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeSecurityPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeTakeOwnershipPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeLoadDriverPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeSystemProfilePrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeSystemtimePrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeProfSingleProcessPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeIncBasePriorityPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeCreatePagefilePrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeBackupPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeRestorePrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeShutdownPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeDebugPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeSystemEnvironmentPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeChangeNotifyPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeRemoteShutdownPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeUndockPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeManageVolumePrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeImpersonatePrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeCreateGlobalPrivilege	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: 33	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: 34	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: 35	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeIncreaseQuotaPrivilege	2232	msdcsc.exe
Token: SeSecurityPrivilege	2232	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2232	msdcsc.exe
Token: SeLoadDriverPrivilege	2232	msdcsc.exe
Token: SeSystemProfilePrivilege	2232	msdcsc.exe
Token: SeSystemtimePrivilege	2232	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2232	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2232	msdcsc.exe
Token: SeCreatePagefilePrivilege	2232	msdcsc.exe
Token: SeBackupPrivilege	2232	msdcsc.exe
Token: SeRestorePrivilege	2232	msdcsc.exe
Token: SeShutdownPrivilege	2232	msdcsc.exe
Token: SeDebugPrivilege	2232	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2232	msdcsc.exe
Token: SeChangeNotifyPrivilege	2232	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2232	msdcsc.exe
Token: SeUndockPrivilege	2232	msdcsc.exe
Token: SeManageVolumePrivilege	2232	msdcsc.exe
Token: SeImpersonatePrivilege	2232	msdcsc.exe
Token: SeCreateGlobalPrivilege	2232	msdcsc.exe
Token: 33	2232	msdcsc.exe
Token: 34	2232	msdcsc.exe
Token: 35	2232	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	2208	iexplore.exe
Token: SeSecurityPrivilege	2208	iexplore.exe
Token: SeTakeOwnershipPrivilege	2208	iexplore.exe
Token: SeLoadDriverPrivilege	2208	iexplore.exe
Token: SeSystemProfilePrivilege	2208	iexplore.exe
Token: SeSystemtimePrivilege	2208	iexplore.exe
Token: SeProfSingleProcessPrivilege	2208	iexplore.exe
Token: SeIncBasePriorityPrivilege	2208	iexplore.exe
Token: SeCreatePagefilePrivilege	2208	iexplore.exe
Token: SeBackupPrivilege	2208	iexplore.exe
Token: SeRestorePrivilege	2208	iexplore.exe
Token: SeShutdownPrivilege	2208	iexplore.exe
Token: SeDebugPrivilege	2208	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2208	iexplore.exe
Token: SeChangeNotifyPrivilege	2208	iexplore.exe
Token: SeRemoteShutdownPrivilege	2208	iexplore.exe
Token: SeUndockPrivilege	2208	iexplore.exe
Token: SeManageVolumePrivilege	2208	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2208	iexplore.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2232	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe	31
PID 2584 wrote to memory of 2232	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe	31
PID 2584 wrote to memory of 2232	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe	31
PID 2584 wrote to memory of 2232	2584	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe	31
PID 2232 wrote to memory of 2208	2232	msdcsc.exe	32
PID 2232 wrote to memory of 2208	2232	msdcsc.exe	32
PID 2232 wrote to memory of 2208	2232	msdcsc.exe	32
PID 2232 wrote to memory of 2208	2232	msdcsc.exe	32
PID 2232 wrote to memory of 2208	2232	msdcsc.exe	32
PID 2232 wrote to memory of 2208	2232	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.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:2584
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies security service
    - Windows security bypass
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2208

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

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
681KB

MD5
0b7d5bfc592ba2082abd593fd53e2b58

SHA1
e47a13cdd1b462efc68d2a68e8413c61d382d635

SHA256
b2d4c2b337d19df6b8c556285ce9ad59f2a5beb8d7993d8e731a48f20dcaa752

SHA512
568dc8e3e56ba07cb752aa513acddb3fbb2a183222b92d25af106acd63068a51156bdf360359ca1a730e50a5a81922f0d373f5ea671e073e5ce396ea552a069f

Download Submit
memory/2208-14-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2232-12-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2232-15-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2584-0-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2584-11-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads