darkcomet | 704aa90daaa9ee5af371f6e8a818b93002ce33351046cf13a3c1970e8f15e799

Analysis

max time kernel
157s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2023 20:03

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General

Target

NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Size

332KB
MD5

2c1342e5adcb48ed2484432124aaf890
SHA1

4f3b9bf5206dfe906d51fb647792bcdd96168d14
SHA256

704aa90daaa9ee5af371f6e8a818b93002ce33351046cf13a3c1970e8f15e799
SHA512

cb743ee3d357ae2eb5c6adc7b5f304c7c09d831aae3a8a69565cc8d0707f4e47a34e2ab606a333f8a4159f866026f8d8f76ead7baf5ece38d81ee7ec48337c8e
SSDEEP

6144:kYLtU7Ixhnhz5qLZWBRyve1+HxhV+baign+kuEEEnBa:zsI3lQK71870baign+kRtnI

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

h1kt.zapto.org:443

Mutex

DC_MUTEX-37C19AC

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
DfluA4s3mqmR
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

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"	NEAS.2c1342e5adcb48ed2484432124aaf890.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-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	NEAS.2c1342e5adcb48ed2484432124aaf890.exe

Executes dropped EXE 1 IoCs

pid	Process
3960	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-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	NEAS.2c1342e5adcb48ed2484432124aaf890.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	NEAS.2c1342e5adcb48ed2484432124aaf890.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeSecurityPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeTakeOwnershipPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeLoadDriverPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeSystemProfilePrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeSystemtimePrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeProfSingleProcessPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeIncBasePriorityPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeCreatePagefilePrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeBackupPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeRestorePrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeShutdownPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeDebugPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeSystemEnvironmentPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeChangeNotifyPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeRemoteShutdownPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeUndockPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeManageVolumePrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeImpersonatePrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeCreateGlobalPrivilege	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: 33	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: 34	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: 35	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: 36	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe
Token: SeIncreaseQuotaPrivilege	3960	msdcsc.exe
Token: SeSecurityPrivilege	3960	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3960	msdcsc.exe
Token: SeLoadDriverPrivilege	3960	msdcsc.exe
Token: SeSystemProfilePrivilege	3960	msdcsc.exe
Token: SeSystemtimePrivilege	3960	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3960	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3960	msdcsc.exe
Token: SeCreatePagefilePrivilege	3960	msdcsc.exe
Token: SeBackupPrivilege	3960	msdcsc.exe
Token: SeRestorePrivilege	3960	msdcsc.exe
Token: SeShutdownPrivilege	3960	msdcsc.exe
Token: SeDebugPrivilege	3960	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3960	msdcsc.exe
Token: SeChangeNotifyPrivilege	3960	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3960	msdcsc.exe
Token: SeUndockPrivilege	3960	msdcsc.exe
Token: SeManageVolumePrivilege	3960	msdcsc.exe
Token: SeImpersonatePrivilege	3960	msdcsc.exe
Token: SeCreateGlobalPrivilege	3960	msdcsc.exe
Token: 33	3960	msdcsc.exe
Token: 34	3960	msdcsc.exe
Token: 35	3960	msdcsc.exe
Token: 36	3960	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3960	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 876	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	86
PID 5012 wrote to memory of 3960	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	88
PID 5012 wrote to memory of 3960	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	88
PID 5012 wrote to memory of 3960	5012	NEAS.2c1342e5adcb48ed2484432124aaf890.exe	88

C:\Users\Admin\AppData\Local\Temp\NEAS.2c1342e5adcb48ed2484432124aaf890.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2c1342e5adcb48ed2484432124aaf890.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  PID:876
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3960

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
332KB

MD5
2c1342e5adcb48ed2484432124aaf890

SHA1
4f3b9bf5206dfe906d51fb647792bcdd96168d14

SHA256
704aa90daaa9ee5af371f6e8a818b93002ce33351046cf13a3c1970e8f15e799

SHA512
cb743ee3d357ae2eb5c6adc7b5f304c7c09d831aae3a8a69565cc8d0707f4e47a34e2ab606a333f8a4159f866026f8d8f76ead7baf5ece38d81ee7ec48337c8e

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

Filesize
332KB

MD5
2c1342e5adcb48ed2484432124aaf890

SHA1
4f3b9bf5206dfe906d51fb647792bcdd96168d14

SHA256
704aa90daaa9ee5af371f6e8a818b93002ce33351046cf13a3c1970e8f15e799

SHA512
cb743ee3d357ae2eb5c6adc7b5f304c7c09d831aae3a8a69565cc8d0707f4e47a34e2ab606a333f8a4159f866026f8d8f76ead7baf5ece38d81ee7ec48337c8e

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

Filesize
332KB

MD5
2c1342e5adcb48ed2484432124aaf890

SHA1
4f3b9bf5206dfe906d51fb647792bcdd96168d14

SHA256
704aa90daaa9ee5af371f6e8a818b93002ce33351046cf13a3c1970e8f15e799

SHA512
cb743ee3d357ae2eb5c6adc7b5f304c7c09d831aae3a8a69565cc8d0707f4e47a34e2ab606a333f8a4159f866026f8d8f76ead7baf5ece38d81ee7ec48337c8e

Download Submit
memory/876-4-0x00000000012C0000-0x00000000012C1000-memory.dmp

Filesize
4KB

Download
memory/3960-71-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-74-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-63-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/3960-82-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-66-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-70-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-81-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-72-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-73-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-80-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-75-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-76-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-77-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-78-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3960-79-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/5012-1-0x00000000022E0000-0x00000000022E1000-memory.dmp

Filesize
4KB

Download
memory/5012-0-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/5012-64-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads