darkcomet | 53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14

Analysis

max time kernel
151s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07-11-2022 16:01

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General

Target

53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Size

658KB
MD5

066b9dfb115b0c8efc6bb299464065b8
SHA1

8b3fe801fbdcbc5018099ef4d9f5e1fa8126e653
SHA256

53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14
SHA512

24f034af4a765d02e7a816bc3b904036e489b6ae04cf8a66cfacb3655c11a16892442de733b424b3a756341c33dfff0a3e92c4fe9d938e429623d1144104b576
SSDEEP

12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h2:+Z1xuVVjfFoynPaVBUR8f+kN10EB8

Score

10^/10

darkcomet guest16_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

thebigboyshow.no-ip.biz:1604

Mutex

DCMIN_MUTEX-ZTKJFJW

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
xPzi9z1QmazL
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

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\\Documents\\DCSCMIN\\IMDCSC.exe"	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe

Executes dropped EXE 1 IoCs

pid	Process
1372	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.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	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeSecurityPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeTakeOwnershipPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeLoadDriverPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeSystemProfilePrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeSystemtimePrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeProfSingleProcessPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeIncBasePriorityPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeCreatePagefilePrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeBackupPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeRestorePrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeShutdownPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeDebugPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeSystemEnvironmentPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeChangeNotifyPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeRemoteShutdownPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeUndockPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeManageVolumePrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeImpersonatePrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeCreateGlobalPrivilege	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: 33	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: 34	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: 35	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
Token: SeIncreaseQuotaPrivilege	1372	IMDCSC.exe
Token: SeSecurityPrivilege	1372	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	1372	IMDCSC.exe
Token: SeLoadDriverPrivilege	1372	IMDCSC.exe
Token: SeSystemProfilePrivilege	1372	IMDCSC.exe
Token: SeSystemtimePrivilege	1372	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	1372	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	1372	IMDCSC.exe
Token: SeCreatePagefilePrivilege	1372	IMDCSC.exe
Token: SeBackupPrivilege	1372	IMDCSC.exe
Token: SeRestorePrivilege	1372	IMDCSC.exe
Token: SeShutdownPrivilege	1372	IMDCSC.exe
Token: SeDebugPrivilege	1372	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	1372	IMDCSC.exe
Token: SeChangeNotifyPrivilege	1372	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	1372	IMDCSC.exe
Token: SeUndockPrivilege	1372	IMDCSC.exe
Token: SeManageVolumePrivilege	1372	IMDCSC.exe
Token: SeImpersonatePrivilege	1372	IMDCSC.exe
Token: SeCreateGlobalPrivilege	1372	IMDCSC.exe
Token: 33	1372	IMDCSC.exe
Token: 34	1372	IMDCSC.exe
Token: 35	1372	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1372	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 1372	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe	27
PID 684 wrote to memory of 1372	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe	27
PID 684 wrote to memory of 1372	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe	27
PID 684 wrote to memory of 1372	684	53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe	27

C:\Users\Admin\AppData\Local\Temp\53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe
"C:\Users\Admin\AppData\Local\Temp\53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:684
- C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1372

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

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Downloads

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
658KB

MD5
066b9dfb115b0c8efc6bb299464065b8

SHA1
8b3fe801fbdcbc5018099ef4d9f5e1fa8126e653

SHA256
53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14

SHA512
24f034af4a765d02e7a816bc3b904036e489b6ae04cf8a66cfacb3655c11a16892442de733b424b3a756341c33dfff0a3e92c4fe9d938e429623d1144104b576

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
658KB

MD5
066b9dfb115b0c8efc6bb299464065b8

SHA1
8b3fe801fbdcbc5018099ef4d9f5e1fa8126e653

SHA256
53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14

SHA512
24f034af4a765d02e7a816bc3b904036e489b6ae04cf8a66cfacb3655c11a16892442de733b424b3a756341c33dfff0a3e92c4fe9d938e429623d1144104b576

Download Submit
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
658KB

MD5
066b9dfb115b0c8efc6bb299464065b8

SHA1
8b3fe801fbdcbc5018099ef4d9f5e1fa8126e653

SHA256
53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14

SHA512
24f034af4a765d02e7a816bc3b904036e489b6ae04cf8a66cfacb3655c11a16892442de733b424b3a756341c33dfff0a3e92c4fe9d938e429623d1144104b576

Download Submit
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
658KB

MD5
066b9dfb115b0c8efc6bb299464065b8

SHA1
8b3fe801fbdcbc5018099ef4d9f5e1fa8126e653

SHA256
53d84643f72699785a152cfe05c5fefdf6692251254b82c82ec5c97b1b731a14

SHA512
24f034af4a765d02e7a816bc3b904036e489b6ae04cf8a66cfacb3655c11a16892442de733b424b3a756341c33dfff0a3e92c4fe9d938e429623d1144104b576

Download Submit
memory/684-54-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/1372-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads