darkcomet | c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4

Analysis

max time kernel
110s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2024 23:23

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General

Target

c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Size

658KB
MD5

9cc514035fa92be0dbc399cdf3871180
SHA1

f5d1e39f30a690039ea2cc5eff294ca05a4849f2
SHA256

c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4
SHA512

610c665b713bb112640051bafd0ed7bdab29d9c365c46a7723fbb7231d1f8678972dcd238b0a610b456cee8b41eefd6bb57e366fbce874a05bb2f8eff3c0d088
SSDEEP

12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hK:KZ1xuVVjfFoynPaVBUR8f+kN10EBo

Score

10^/10

darkcomet nigger discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Nigger

xxcam950xx.no-ip.biz:1604

192.168.1.64:1604

127.0.0.1:1604

Mutex

DC_MUTEX-TQS9RNP

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Vt4dg9mRjUlH
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"	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe

Executes dropped EXE 1 IoCs

pid	Process
3680	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.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	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeSecurityPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeTakeOwnershipPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeLoadDriverPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeSystemProfilePrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeSystemtimePrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeProfSingleProcessPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeIncBasePriorityPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeCreatePagefilePrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeBackupPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeRestorePrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeShutdownPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeDebugPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeSystemEnvironmentPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeChangeNotifyPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeRemoteShutdownPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeUndockPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeManageVolumePrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeImpersonatePrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeCreateGlobalPrivilege	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: 33	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: 34	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: 35	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: 36	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
Token: SeIncreaseQuotaPrivilege	3680	msdcsc.exe
Token: SeSecurityPrivilege	3680	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3680	msdcsc.exe
Token: SeLoadDriverPrivilege	3680	msdcsc.exe
Token: SeSystemProfilePrivilege	3680	msdcsc.exe
Token: SeSystemtimePrivilege	3680	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3680	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3680	msdcsc.exe
Token: SeCreatePagefilePrivilege	3680	msdcsc.exe
Token: SeBackupPrivilege	3680	msdcsc.exe
Token: SeRestorePrivilege	3680	msdcsc.exe
Token: SeShutdownPrivilege	3680	msdcsc.exe
Token: SeDebugPrivilege	3680	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3680	msdcsc.exe
Token: SeChangeNotifyPrivilege	3680	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3680	msdcsc.exe
Token: SeUndockPrivilege	3680	msdcsc.exe
Token: SeManageVolumePrivilege	3680	msdcsc.exe
Token: SeImpersonatePrivilege	3680	msdcsc.exe
Token: SeCreateGlobalPrivilege	3680	msdcsc.exe
Token: 33	3680	msdcsc.exe
Token: 34	3680	msdcsc.exe
Token: 35	3680	msdcsc.exe
Token: 36	3680	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3680	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 3680	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe	83
PID 4580 wrote to memory of 3680	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe	83
PID 4580 wrote to memory of 3680	4580	c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe	83

C:\Users\Admin\AppData\Local\Temp\c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.exe
"C:\Users\Admin\AppData\Local\Temp\c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4N.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:4580
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3680

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
658KB

MD5
9cc514035fa92be0dbc399cdf3871180

SHA1
f5d1e39f30a690039ea2cc5eff294ca05a4849f2

SHA256
c2d70852c9ea40063f86b128b28cd62b16612ee6edd9bf254ae27d0ee67663e4

SHA512
610c665b713bb112640051bafd0ed7bdab29d9c365c46a7723fbb7231d1f8678972dcd238b0a610b456cee8b41eefd6bb57e366fbce874a05bb2f8eff3c0d088

Download Submit
memory/3680-13-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/3680-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3680-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4580-0-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download
memory/4580-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads