darkcomet | c8ecfab1cd0c6400111c9b682716839bdb4cab2b9249b6fd42a784168ee3c12a

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 07:53

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General

Target

JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Size

658KB
MD5

2997965477e1bbf417e78a4b4c9c89e0
SHA1

895a01ab5d9b0348bfe07fcec36cc27a10d15e3d
SHA256

c8ecfab1cd0c6400111c9b682716839bdb4cab2b9249b6fd42a784168ee3c12a
SHA512

33c6fbcf88b5d9207ef1a841322a0d7af2ddd8dd89be2f02f74b403f63a3eb4ddd56f49486b152d8bff51898f236da163f3c799c7d3e2db66a250019e02c6ddf
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hc:eZ1xuVVjfFoynPaVBUR8f+kN10EBS

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

thesurge99.no-ip.org:1604

Mutex

DC_MUTEX-RSKR8V0

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
UCGT0nDKowDP
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_2997965477e1bbf417e78a4b4c9c89e0.exe

Executes dropped EXE 1 IoCs

pid	Process
1904	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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 2 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_2997965477e1bbf417e78a4b4c9c89e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeSecurityPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeTakeOwnershipPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeLoadDriverPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeSystemProfilePrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeSystemtimePrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeProfSingleProcessPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeIncBasePriorityPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeCreatePagefilePrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeBackupPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeRestorePrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeShutdownPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeDebugPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeSystemEnvironmentPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeChangeNotifyPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeRemoteShutdownPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeUndockPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeManageVolumePrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeImpersonatePrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeCreateGlobalPrivilege	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: 33	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: 34	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: 35	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeIncreaseQuotaPrivilege	1904	msdcsc.exe
Token: SeSecurityPrivilege	1904	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1904	msdcsc.exe
Token: SeLoadDriverPrivilege	1904	msdcsc.exe
Token: SeSystemProfilePrivilege	1904	msdcsc.exe
Token: SeSystemtimePrivilege	1904	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1904	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1904	msdcsc.exe
Token: SeCreatePagefilePrivilege	1904	msdcsc.exe
Token: SeBackupPrivilege	1904	msdcsc.exe
Token: SeRestorePrivilege	1904	msdcsc.exe
Token: SeShutdownPrivilege	1904	msdcsc.exe
Token: SeDebugPrivilege	1904	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1904	msdcsc.exe
Token: SeChangeNotifyPrivilege	1904	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1904	msdcsc.exe
Token: SeUndockPrivilege	1904	msdcsc.exe
Token: SeManageVolumePrivilege	1904	msdcsc.exe
Token: SeImpersonatePrivilege	1904	msdcsc.exe
Token: SeCreateGlobalPrivilege	1904	msdcsc.exe
Token: 33	1904	msdcsc.exe
Token: 34	1904	msdcsc.exe
Token: 35	1904	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1904	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 1904	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe	30
PID 1440 wrote to memory of 1904	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe	30
PID 1440 wrote to memory of 1904	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe	30
PID 1440 wrote to memory of 1904	1440	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.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:1440
- 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 use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1904

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

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

Filesize
658KB

MD5
2997965477e1bbf417e78a4b4c9c89e0

SHA1
895a01ab5d9b0348bfe07fcec36cc27a10d15e3d

SHA256
c8ecfab1cd0c6400111c9b682716839bdb4cab2b9249b6fd42a784168ee3c12a

SHA512
33c6fbcf88b5d9207ef1a841322a0d7af2ddd8dd89be2f02f74b403f63a3eb4ddd56f49486b152d8bff51898f236da163f3c799c7d3e2db66a250019e02c6ddf

Download Submit
memory/1440-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1440-0-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1904-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-15-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1904-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-11-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1904-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1904-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads