darkcomet | 298e1522a6025c4c8d9ad3779c0c93b8910e2d9fbe35a682165840d7bdf88bd3

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-02-2025 05:04

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General

Target

JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Size

660KB
MD5

176a97f7dc22447402dff707606574da
SHA1

f75977946e32fb62adfac136880e10afda7dae7e
SHA256

298e1522a6025c4c8d9ad3779c0c93b8910e2d9fbe35a682165840d7bdf88bd3
SHA512

e4269ed9e8be15868064f2781eb61b1cc001a36e57af91e7127fa387a13fa92c640b41fbbcb7f9fcede4e8d060f58e04e71c2890a1a131fb47bb2dd619a72189
SSDEEP

12288:EXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452UV:SnAw2WWeFcfbP9VPSPMTSPL/rWvzq4JF

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

black12345.zapto.org:4444

Mutex

DC_MUTEX-F54S21D

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Da8E9UZl6gjs
install
true
offline_keylogger
true
persistence
false
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_176a97f7dc22447402dff707606574da.exe

Executes dropped EXE 1 IoCs

pid	Process
2164	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
2380	JaffaCakes118_176a97f7dc22447402dff707606574da.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_176a97f7dc22447402dff707606574da.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2164 set thread context of 1260	2164	msdcsc.exe	31

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_176a97f7dc22447402dff707606574da.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	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeSecurityPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeTakeOwnershipPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeLoadDriverPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeSystemProfilePrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeSystemtimePrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeProfSingleProcessPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeIncBasePriorityPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeCreatePagefilePrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeBackupPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeRestorePrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeShutdownPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeDebugPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeSystemEnvironmentPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeChangeNotifyPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeRemoteShutdownPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeUndockPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeManageVolumePrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeImpersonatePrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeCreateGlobalPrivilege	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: 33	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: 34	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: 35	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe
Token: SeIncreaseQuotaPrivilege	2164	msdcsc.exe
Token: SeSecurityPrivilege	2164	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2164	msdcsc.exe
Token: SeLoadDriverPrivilege	2164	msdcsc.exe
Token: SeSystemProfilePrivilege	2164	msdcsc.exe
Token: SeSystemtimePrivilege	2164	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2164	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2164	msdcsc.exe
Token: SeCreatePagefilePrivilege	2164	msdcsc.exe
Token: SeBackupPrivilege	2164	msdcsc.exe
Token: SeRestorePrivilege	2164	msdcsc.exe
Token: SeShutdownPrivilege	2164	msdcsc.exe
Token: SeDebugPrivilege	2164	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2164	msdcsc.exe
Token: SeChangeNotifyPrivilege	2164	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2164	msdcsc.exe
Token: SeUndockPrivilege	2164	msdcsc.exe
Token: SeManageVolumePrivilege	2164	msdcsc.exe
Token: SeImpersonatePrivilege	2164	msdcsc.exe
Token: SeCreateGlobalPrivilege	2164	msdcsc.exe
Token: 33	2164	msdcsc.exe
Token: 34	2164	msdcsc.exe
Token: 35	2164	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	1260	iexplore.exe
Token: SeSecurityPrivilege	1260	iexplore.exe
Token: SeTakeOwnershipPrivilege	1260	iexplore.exe
Token: SeLoadDriverPrivilege	1260	iexplore.exe
Token: SeSystemProfilePrivilege	1260	iexplore.exe
Token: SeSystemtimePrivilege	1260	iexplore.exe
Token: SeProfSingleProcessPrivilege	1260	iexplore.exe
Token: SeIncBasePriorityPrivilege	1260	iexplore.exe
Token: SeCreatePagefilePrivilege	1260	iexplore.exe
Token: SeBackupPrivilege	1260	iexplore.exe
Token: SeRestorePrivilege	1260	iexplore.exe
Token: SeShutdownPrivilege	1260	iexplore.exe
Token: SeDebugPrivilege	1260	iexplore.exe
Token: SeSystemEnvironmentPrivilege	1260	iexplore.exe
Token: SeChangeNotifyPrivilege	1260	iexplore.exe
Token: SeRemoteShutdownPrivilege	1260	iexplore.exe
Token: SeUndockPrivilege	1260	iexplore.exe
Token: SeManageVolumePrivilege	1260	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1260	iexplore.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2164	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe	30
PID 2380 wrote to memory of 2164	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe	30
PID 2380 wrote to memory of 2164	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe	30
PID 2380 wrote to memory of 2164	2380	JaffaCakes118_176a97f7dc22447402dff707606574da.exe	30
PID 2164 wrote to memory of 1260	2164	msdcsc.exe	31
PID 2164 wrote to memory of 1260	2164	msdcsc.exe	31
PID 2164 wrote to memory of 1260	2164	msdcsc.exe	31
PID 2164 wrote to memory of 1260	2164	msdcsc.exe	31
PID 2164 wrote to memory of 1260	2164	msdcsc.exe	31
PID 2164 wrote to memory of 1260	2164	msdcsc.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_176a97f7dc22447402dff707606574da.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_176a97f7dc22447402dff707606574da.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:2380
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1260

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\Documents\MSDCSC\msdcsc.exe

Filesize
660KB

MD5
176a97f7dc22447402dff707606574da

SHA1
f75977946e32fb62adfac136880e10afda7dae7e

SHA256
298e1522a6025c4c8d9ad3779c0c93b8910e2d9fbe35a682165840d7bdf88bd3

SHA512
e4269ed9e8be15868064f2781eb61b1cc001a36e57af91e7127fa387a13fa92c640b41fbbcb7f9fcede4e8d060f58e04e71c2890a1a131fb47bb2dd619a72189

Download Submit
memory/1260-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2164-12-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2164-15-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2380-0-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2380-11-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads