darkcomet | 9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848

Analysis

max time kernel
151s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
14/10/2022, 10:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Size

658KB
MD5

672ca42f446207e8d1fa0f5fa4873ac6
SHA1

afb22bfea4b0ca718bb6bb303c89b0f1e07f2306
SHA256

9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848
SHA512

582d635f0833bae39031b67b5d6966a2c3de404c3e163cca2643489fadfc1a36d56a43151fec4d99f16145e48a6bbd77d52230b52c98332d5f018dd7a15524d9
SSDEEP

12288:e9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hq:qZ1xuVVjfFoynPaVBUR8f+kN10EBM

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

dragons117.zapto.org:1604

Mutex

DC_MUTEX-QQJA9CK

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
2o9GtkvW7Bhq
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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

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\\Desktop\\MSDCSC\\msdcsc.exe"	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe

Executes dropped EXE 1 IoCs

pid	Process
916	msdcsc.exe

Deletes itself 1 IoCs

pid	Process
1960	notepad.exe

Loads dropped DLL 2 IoCs

pid	Process
1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe"	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeSecurityPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeTakeOwnershipPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeLoadDriverPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeSystemProfilePrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeSystemtimePrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeProfSingleProcessPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeIncBasePriorityPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeCreatePagefilePrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeBackupPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeRestorePrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeShutdownPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeDebugPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeSystemEnvironmentPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeChangeNotifyPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeRemoteShutdownPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeUndockPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeManageVolumePrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeImpersonatePrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeCreateGlobalPrivilege	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: 33	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: 34	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: 35	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
Token: SeIncreaseQuotaPrivilege	916	msdcsc.exe
Token: SeSecurityPrivilege	916	msdcsc.exe
Token: SeTakeOwnershipPrivilege	916	msdcsc.exe
Token: SeLoadDriverPrivilege	916	msdcsc.exe
Token: SeSystemProfilePrivilege	916	msdcsc.exe
Token: SeSystemtimePrivilege	916	msdcsc.exe
Token: SeProfSingleProcessPrivilege	916	msdcsc.exe
Token: SeIncBasePriorityPrivilege	916	msdcsc.exe
Token: SeCreatePagefilePrivilege	916	msdcsc.exe
Token: SeBackupPrivilege	916	msdcsc.exe
Token: SeRestorePrivilege	916	msdcsc.exe
Token: SeShutdownPrivilege	916	msdcsc.exe
Token: SeDebugPrivilege	916	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	916	msdcsc.exe
Token: SeChangeNotifyPrivilege	916	msdcsc.exe
Token: SeRemoteShutdownPrivilege	916	msdcsc.exe
Token: SeUndockPrivilege	916	msdcsc.exe
Token: SeManageVolumePrivilege	916	msdcsc.exe
Token: SeImpersonatePrivilege	916	msdcsc.exe
Token: SeCreateGlobalPrivilege	916	msdcsc.exe
Token: 33	916	msdcsc.exe
Token: 34	916	msdcsc.exe
Token: 35	916	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
916	msdcsc.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 1960	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	28
PID 1880 wrote to memory of 916	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	29
PID 1880 wrote to memory of 916	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	29
PID 1880 wrote to memory of 916	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	29
PID 1880 wrote to memory of 916	1880	9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe	29

C:\Users\Admin\AppData\Local\Temp\9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe
"C:\Users\Admin\AppData\Local\Temp\9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  PID:1960
- C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:916

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
658KB

MD5
672ca42f446207e8d1fa0f5fa4873ac6

SHA1
afb22bfea4b0ca718bb6bb303c89b0f1e07f2306

SHA256
9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848

SHA512
582d635f0833bae39031b67b5d6966a2c3de404c3e163cca2643489fadfc1a36d56a43151fec4d99f16145e48a6bbd77d52230b52c98332d5f018dd7a15524d9

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

Filesize
658KB

MD5
672ca42f446207e8d1fa0f5fa4873ac6

SHA1
afb22bfea4b0ca718bb6bb303c89b0f1e07f2306

SHA256
9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848

SHA512
582d635f0833bae39031b67b5d6966a2c3de404c3e163cca2643489fadfc1a36d56a43151fec4d99f16145e48a6bbd77d52230b52c98332d5f018dd7a15524d9

Download Submit
\Users\Admin\Desktop\MSDCSC\msdcsc.exe

Filesize
658KB

MD5
672ca42f446207e8d1fa0f5fa4873ac6

SHA1
afb22bfea4b0ca718bb6bb303c89b0f1e07f2306

SHA256
9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848

SHA512
582d635f0833bae39031b67b5d6966a2c3de404c3e163cca2643489fadfc1a36d56a43151fec4d99f16145e48a6bbd77d52230b52c98332d5f018dd7a15524d9

Download Submit
\Users\Admin\Desktop\MSDCSC\msdcsc.exe

Filesize
658KB

MD5
672ca42f446207e8d1fa0f5fa4873ac6

SHA1
afb22bfea4b0ca718bb6bb303c89b0f1e07f2306

SHA256
9fe0d3edfd5e9fb206edea1ded06d9ea42cdb57aa463deb1570d12a271cd6848

SHA512
582d635f0833bae39031b67b5d6966a2c3de404c3e163cca2643489fadfc1a36d56a43151fec4d99f16145e48a6bbd77d52230b52c98332d5f018dd7a15524d9

Download Submit
memory/1880-54-0x0000000075571000-0x0000000075573000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads