darkcomet | 027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194

Analysis

max time kernel
186s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 09:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Size

727KB
MD5

58bd0cb3fb9afa61cdaa25bb0e8a6de0
SHA1

c70b6052af8f72d1261315b11d79d1f5ed644e1f
SHA256

027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194
SHA512

1949b34e1c6712dff92052964f7a990de17ba1e94bb67c5bc0268e9549d32b434a0b4080b4a4369434f6965c58b02cd68b8861ab889c390742f6218aed3314ee
SSDEEP

12288:h9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h75LF/Mw:bZ1xuVVjfFoynPaVBUR8f+kN10EB5VlV

Score

10^/10

darkcomet öüüüííé ìïíïé persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

ÖÜÜÜÍíÉ ÌÏíÏÉ

memateiraq.no-ip.biz:1604

Mutex

DC_MUTEX-HJG940C

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
7NAj1Mr7bd6y
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\\Documents\\MSDCSC\\msdcsc.exe"	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe

Executes dropped EXE 1 IoCs

pid	Process
920	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.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\\Documents\\MSDCSC\\msdcsc.exe"	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\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

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeSecurityPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeTakeOwnershipPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeLoadDriverPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeSystemProfilePrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeSystemtimePrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeProfSingleProcessPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeIncBasePriorityPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeCreatePagefilePrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeBackupPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeRestorePrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeShutdownPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeDebugPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeSystemEnvironmentPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeChangeNotifyPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeRemoteShutdownPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeUndockPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeManageVolumePrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeImpersonatePrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeCreateGlobalPrivilege	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: 33	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: 34	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: 35	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
Token: SeIncreaseQuotaPrivilege	920	msdcsc.exe
Token: SeSecurityPrivilege	920	msdcsc.exe
Token: SeTakeOwnershipPrivilege	920	msdcsc.exe
Token: SeLoadDriverPrivilege	920	msdcsc.exe
Token: SeSystemProfilePrivilege	920	msdcsc.exe
Token: SeSystemtimePrivilege	920	msdcsc.exe
Token: SeProfSingleProcessPrivilege	920	msdcsc.exe
Token: SeIncBasePriorityPrivilege	920	msdcsc.exe
Token: SeCreatePagefilePrivilege	920	msdcsc.exe
Token: SeBackupPrivilege	920	msdcsc.exe
Token: SeRestorePrivilege	920	msdcsc.exe
Token: SeShutdownPrivilege	920	msdcsc.exe
Token: SeDebugPrivilege	920	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	920	msdcsc.exe
Token: SeChangeNotifyPrivilege	920	msdcsc.exe
Token: SeRemoteShutdownPrivilege	920	msdcsc.exe
Token: SeUndockPrivilege	920	msdcsc.exe
Token: SeManageVolumePrivilege	920	msdcsc.exe
Token: SeImpersonatePrivilege	920	msdcsc.exe
Token: SeCreateGlobalPrivilege	920	msdcsc.exe
Token: 33	920	msdcsc.exe
Token: 34	920	msdcsc.exe
Token: 35	920	msdcsc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1332	DllHost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
920	msdcsc.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 920	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe	29
PID 1144 wrote to memory of 920	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe	29
PID 1144 wrote to memory of 920	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe	29
PID 1144 wrote to memory of 920	1144	027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe	29
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30
PID 920 wrote to memory of 584	920	msdcsc.exe	30

C:\Users\Admin\AppData\Local\Temp\027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
"C:\Users\Admin\AppData\Local\Temp\027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1144
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:920
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:584

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:1332

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\AppData\Local\Temp\480272_104225639757001_172457797_N.JPG

Filesize
46KB

MD5
779c37de7f335644e9644499fc0f7e7a

SHA1
c8864e1581b56ebd6f935d3acb009d7b92844412

SHA256
af029447b82e0ffa21c362ec5c8b1fa068cffd5b2db99f62dff5988133a0ce08

SHA512
c2313b1f8ef7ba04bc39093e634c2570bc674771c111fa0ae77af18d9c90fd72e56d2ab6ddde5ac2f83b29d88a1af62d84fbf91815c4b2e0454ce1663f6db76f

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

Filesize
727KB

MD5
58bd0cb3fb9afa61cdaa25bb0e8a6de0

SHA1
c70b6052af8f72d1261315b11d79d1f5ed644e1f

SHA256
027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194

SHA512
1949b34e1c6712dff92052964f7a990de17ba1e94bb67c5bc0268e9549d32b434a0b4080b4a4369434f6965c58b02cd68b8861ab889c390742f6218aed3314ee

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

Filesize
727KB

MD5
58bd0cb3fb9afa61cdaa25bb0e8a6de0

SHA1
c70b6052af8f72d1261315b11d79d1f5ed644e1f

SHA256
027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194

SHA512
1949b34e1c6712dff92052964f7a990de17ba1e94bb67c5bc0268e9549d32b434a0b4080b4a4369434f6965c58b02cd68b8861ab889c390742f6218aed3314ee

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

Filesize
727KB

MD5
58bd0cb3fb9afa61cdaa25bb0e8a6de0

SHA1
c70b6052af8f72d1261315b11d79d1f5ed644e1f

SHA256
027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194

SHA512
1949b34e1c6712dff92052964f7a990de17ba1e94bb67c5bc0268e9549d32b434a0b4080b4a4369434f6965c58b02cd68b8861ab889c390742f6218aed3314ee

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

Filesize
727KB

MD5
58bd0cb3fb9afa61cdaa25bb0e8a6de0

SHA1
c70b6052af8f72d1261315b11d79d1f5ed644e1f

SHA256
027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194

SHA512
1949b34e1c6712dff92052964f7a990de17ba1e94bb67c5bc0268e9549d32b434a0b4080b4a4369434f6965c58b02cd68b8861ab889c390742f6218aed3314ee

Download Submit
memory/1144-54-0x00000000763F1000-0x00000000763F3000-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