darkcomet | ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0

General

Target

ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe
Size

782KB
MD5

63eadfafe6bf9323ce4a47536ceeb040
SHA1

b7e7c9bd6ddcd51d9d486d8fa5c71a23d0abb7bc
SHA256

ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0
SHA512

9d4c3d422d43859ae4766f8e8d15fd9bd2d4012422ff2760472b04a28bb918dd34a14cc7929dfcafe93df4d859dce211c059d40f348b893b59e05f0dae40abcc
SSDEEP

12288:iMbL4uzi/ws7tIf3/b9IJVGuBIDX0tRodbxT9gr5vIBwvOjldFLU:bbc0i4ff3EGuBa9IIi2dLU

Score

10^/10

darkcomet .ill persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

.iLL

C2

savoritz.no-ip.biz:1604

Mutex

DC_MUTEX-8DY6RDR

Attributes

gencode
dfjJdYiurW9f
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Executes dropped EXE 1 IoCs

pid	Process
4512	rundll32.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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\windowsfirewall = "C:\\Users\\Admin\\AppData\\Roaming\\windowsfirewall.exe"	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1388 set thread context of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85

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 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4512	rundll32.exe
Token: SeSecurityPrivilege	4512	rundll32.exe
Token: SeTakeOwnershipPrivilege	4512	rundll32.exe
Token: SeLoadDriverPrivilege	4512	rundll32.exe
Token: SeSystemProfilePrivilege	4512	rundll32.exe
Token: SeSystemtimePrivilege	4512	rundll32.exe
Token: SeProfSingleProcessPrivilege	4512	rundll32.exe
Token: SeIncBasePriorityPrivilege	4512	rundll32.exe
Token: SeCreatePagefilePrivilege	4512	rundll32.exe
Token: SeBackupPrivilege	4512	rundll32.exe
Token: SeRestorePrivilege	4512	rundll32.exe
Token: SeShutdownPrivilege	4512	rundll32.exe
Token: SeDebugPrivilege	4512	rundll32.exe
Token: SeSystemEnvironmentPrivilege	4512	rundll32.exe
Token: SeChangeNotifyPrivilege	4512	rundll32.exe
Token: SeRemoteShutdownPrivilege	4512	rundll32.exe
Token: SeUndockPrivilege	4512	rundll32.exe
Token: SeManageVolumePrivilege	4512	rundll32.exe
Token: SeImpersonatePrivilege	4512	rundll32.exe
Token: SeCreateGlobalPrivilege	4512	rundll32.exe
Token: 33	4512	rundll32.exe
Token: 34	4512	rundll32.exe
Token: 35	4512	rundll32.exe
Token: 36	4512	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4512	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85
PID 1388 wrote to memory of 4512	1388	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	85

C:\Users\Admin\AppData\Local\Temp\ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe
"C:\Users\Admin\AppData\Local\Temp\ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Local\Temp\plugtmp\rundll32.exe
  C:\Users\Admin\AppData\Local\Temp\\plugtmp\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4512

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

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\plugtmp\rundll32.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
C:\Users\Admin\AppData\Local\Temp\plugtmp\rundll32.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/1388-132-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/1388-142-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/4512-134-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4512-137-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4512-138-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4512-140-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4512-141-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4512-143-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

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