darkcomet | 22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9

General

Target

22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Size

349KB
MD5

61c6858c5ecd6f8c83bc8d318d9f9c5f
SHA1

4599c48f5a2057c7f07327e14de76f878a6170f4
SHA256

22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9
SHA512

69b386ff6647d80beb1e6d3976819fd3bf9f07a9155dbb2895b5d2cceb7b9445df438eeb9723cfe13faccf97d04e6ecbd87209c26dc7b6413d5ad18ce87e90b0

Score

10^/10

darkcomet persistence rat trojan upx

Malware Config

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

Processes:

22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\windows\\msdcsc.exe"	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

2008 msdcsc.exe

pid	process
2008	msdcsc.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\windows\msdcsc.exe	upx
\Users\Admin\AppData\Local\Temp\windows\msdcsc.exe	upx
C:\Users\Admin\AppData\Local\Temp\windows\msdcsc.exe	upx
C:\Users\Admin\AppData\Local\Temp\windows\msdcsc.exe	upx

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

1952 notepad.exe

pid	process
1952	notepad.exe

Loads dropped DLL 2 IoCs

Processes:

22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe

pid	process
364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\windows\\msdcsc.exe"	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\windows\\msdcsc.exe"	msdcsc.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

Processes:

22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeSecurityPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeTakeOwnershipPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeLoadDriverPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeSystemProfilePrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeSystemtimePrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeProfSingleProcessPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeIncBasePriorityPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeCreatePagefilePrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeBackupPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeRestorePrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeShutdownPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeDebugPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeSystemEnvironmentPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeChangeNotifyPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeRemoteShutdownPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeUndockPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeManageVolumePrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeImpersonatePrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeCreateGlobalPrivilege	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: 33	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: 34	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: 35	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
Token: SeIncreaseQuotaPrivilege	2008	msdcsc.exe
Token: SeSecurityPrivilege	2008	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2008	msdcsc.exe
Token: SeLoadDriverPrivilege	2008	msdcsc.exe
Token: SeSystemProfilePrivilege	2008	msdcsc.exe
Token: SeSystemtimePrivilege	2008	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2008	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2008	msdcsc.exe
Token: SeCreatePagefilePrivilege	2008	msdcsc.exe
Token: SeBackupPrivilege	2008	msdcsc.exe
Token: SeRestorePrivilege	2008	msdcsc.exe
Token: SeShutdownPrivilege	2008	msdcsc.exe
Token: SeDebugPrivilege	2008	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2008	msdcsc.exe
Token: SeChangeNotifyPrivilege	2008	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2008	msdcsc.exe
Token: SeUndockPrivilege	2008	msdcsc.exe
Token: SeManageVolumePrivilege	2008	msdcsc.exe
Token: SeImpersonatePrivilege	2008	msdcsc.exe
Token: SeCreateGlobalPrivilege	2008	msdcsc.exe
Token: 33	2008	msdcsc.exe
Token: 34	2008	msdcsc.exe
Token: 35	2008	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

2008 msdcsc.exe

pid	process
2008	msdcsc.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe

description	pid	process	target process
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 1952	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	notepad.exe
PID 364 wrote to memory of 2008	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	msdcsc.exe
PID 364 wrote to memory of 2008	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	msdcsc.exe
PID 364 wrote to memory of 2008	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	msdcsc.exe
PID 364 wrote to memory of 2008	364	22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe
"C:\Users\Admin\AppData\Local\Temp\22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:364
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  PID:1952
- C:\Users\Admin\AppData\Local\Temp\windows\msdcsc.exe
  "C:\Users\Admin\AppData\Local\Temp\windows\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\windows\msdcsc.exe

MD5
61c6858c5ecd6f8c83bc8d318d9f9c5f

SHA1
4599c48f5a2057c7f07327e14de76f878a6170f4

SHA256
22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9

SHA512
69b386ff6647d80beb1e6d3976819fd3bf9f07a9155dbb2895b5d2cceb7b9445df438eeb9723cfe13faccf97d04e6ecbd87209c26dc7b6413d5ad18ce87e90b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\windows\msdcsc.exe

MD5
61c6858c5ecd6f8c83bc8d318d9f9c5f

SHA1
4599c48f5a2057c7f07327e14de76f878a6170f4

SHA256
22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9

SHA512
69b386ff6647d80beb1e6d3976819fd3bf9f07a9155dbb2895b5d2cceb7b9445df438eeb9723cfe13faccf97d04e6ecbd87209c26dc7b6413d5ad18ce87e90b0

Download Submit
\Users\Admin\AppData\Local\Temp\windows\msdcsc.exe

MD5
61c6858c5ecd6f8c83bc8d318d9f9c5f

SHA1
4599c48f5a2057c7f07327e14de76f878a6170f4

SHA256
22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9

SHA512
69b386ff6647d80beb1e6d3976819fd3bf9f07a9155dbb2895b5d2cceb7b9445df438eeb9723cfe13faccf97d04e6ecbd87209c26dc7b6413d5ad18ce87e90b0

Download Submit
\Users\Admin\AppData\Local\Temp\windows\msdcsc.exe

MD5
61c6858c5ecd6f8c83bc8d318d9f9c5f

SHA1
4599c48f5a2057c7f07327e14de76f878a6170f4

SHA256
22bd78032eb5a2e9022d2463fcc89566e6304562745f0333a4e8e246032f02e9

SHA512
69b386ff6647d80beb1e6d3976819fd3bf9f07a9155dbb2895b5d2cceb7b9445df438eeb9723cfe13faccf97d04e6ecbd87209c26dc7b6413d5ad18ce87e90b0

Download Submit
memory/1952-0-0x0000000000000000-mapping.dmp

Download
memory/1952-1-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/1952-2-0x0000000000000000-mapping.dmp

Download
memory/2008-5-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads