darkcomet | e25fd2768705d8c8f733d95d9541a6f8c12d7a76176321f012be8d8b1bc00468

Analysis

max time kernel
147s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 06:41

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General

Target

JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Size

235KB
MD5

4aea2f755e6b81108512a5dc11862500
SHA1

21d9a5c4c667ca5b1259412c5accde9425c42746
SHA256

e25fd2768705d8c8f733d95d9541a6f8c12d7a76176321f012be8d8b1bc00468
SHA512

2d5d75cb381c693801a9ad702f7d17ec01611ae565bf5bf67cf21462d1e5cc54b98168f816514ebae22725f80760e4622b7b855e41ee32da86314dca317fd4e1
SSDEEP

3072:SY/ygXnCQUYy9yxhjrSsplyU5iHquGbT47mJaCki/q/7NRgOYromMD8goZ9yz28K:SYLtU7Ixhnhz5TN6mJWd/7qMD8gmggf

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

badrss1.no-ip.biz:81

badrss.no-ip.biz:81

127.0.0.1:81

192.168.2.165:81

Mutex

DC_MUTEX-792LQ53

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Y5lV7zWR4eBC
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_4aea2f755e6b81108512a5dc11862500.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe

Executes dropped EXE 1 IoCs

pid	Process
2040	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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_4aea2f755e6b81108512a5dc11862500.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeSecurityPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeTakeOwnershipPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeLoadDriverPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeSystemProfilePrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeSystemtimePrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeProfSingleProcessPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeIncBasePriorityPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeCreatePagefilePrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeBackupPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeRestorePrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeShutdownPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeDebugPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeSystemEnvironmentPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeChangeNotifyPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeRemoteShutdownPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeUndockPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeManageVolumePrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeImpersonatePrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeCreateGlobalPrivilege	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: 33	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: 34	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: 35	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: 36	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
Token: SeIncreaseQuotaPrivilege	2040	msdcsc.exe
Token: SeSecurityPrivilege	2040	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2040	msdcsc.exe
Token: SeLoadDriverPrivilege	2040	msdcsc.exe
Token: SeSystemProfilePrivilege	2040	msdcsc.exe
Token: SeSystemtimePrivilege	2040	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2040	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2040	msdcsc.exe
Token: SeCreatePagefilePrivilege	2040	msdcsc.exe
Token: SeBackupPrivilege	2040	msdcsc.exe
Token: SeRestorePrivilege	2040	msdcsc.exe
Token: SeShutdownPrivilege	2040	msdcsc.exe
Token: SeDebugPrivilege	2040	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2040	msdcsc.exe
Token: SeChangeNotifyPrivilege	2040	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2040	msdcsc.exe
Token: SeUndockPrivilege	2040	msdcsc.exe
Token: SeManageVolumePrivilege	2040	msdcsc.exe
Token: SeImpersonatePrivilege	2040	msdcsc.exe
Token: SeCreateGlobalPrivilege	2040	msdcsc.exe
Token: 33	2040	msdcsc.exe
Token: 34	2040	msdcsc.exe
Token: 35	2040	msdcsc.exe
Token: 36	2040	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2040	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2040	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe	82
PID 2428 wrote to memory of 2040	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe	82
PID 2428 wrote to memory of 2040	2428	JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4aea2f755e6b81108512a5dc11862500.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2428
- 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:2040

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

Query Registry

T1012

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
235KB

MD5
4aea2f755e6b81108512a5dc11862500

SHA1
21d9a5c4c667ca5b1259412c5accde9425c42746

SHA256
e25fd2768705d8c8f733d95d9541a6f8c12d7a76176321f012be8d8b1bc00468

SHA512
2d5d75cb381c693801a9ad702f7d17ec01611ae565bf5bf67cf21462d1e5cc54b98168f816514ebae22725f80760e4622b7b855e41ee32da86314dca317fd4e1

Download Submit
memory/2040-19-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2040-16-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download
memory/2040-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2040-21-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2040-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2040-24-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2040-26-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2040-28-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2040-31-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2428-1-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/2428-15-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2428-0-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads