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
1020	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.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\windowsfirewall = "C:\\Users\\Admin\\AppData\\Roaming\\windowsfirewall.exe"	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1932 set thread context of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28

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 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1020	rundll32.exe
Token: SeSecurityPrivilege	1020	rundll32.exe
Token: SeTakeOwnershipPrivilege	1020	rundll32.exe
Token: SeLoadDriverPrivilege	1020	rundll32.exe
Token: SeSystemProfilePrivilege	1020	rundll32.exe
Token: SeSystemtimePrivilege	1020	rundll32.exe
Token: SeProfSingleProcessPrivilege	1020	rundll32.exe
Token: SeIncBasePriorityPrivilege	1020	rundll32.exe
Token: SeCreatePagefilePrivilege	1020	rundll32.exe
Token: SeBackupPrivilege	1020	rundll32.exe
Token: SeRestorePrivilege	1020	rundll32.exe
Token: SeShutdownPrivilege	1020	rundll32.exe
Token: SeDebugPrivilege	1020	rundll32.exe
Token: SeSystemEnvironmentPrivilege	1020	rundll32.exe
Token: SeChangeNotifyPrivilege	1020	rundll32.exe
Token: SeRemoteShutdownPrivilege	1020	rundll32.exe
Token: SeUndockPrivilege	1020	rundll32.exe
Token: SeManageVolumePrivilege	1020	rundll32.exe
Token: SeImpersonatePrivilege	1020	rundll32.exe
Token: SeCreateGlobalPrivilege	1020	rundll32.exe
Token: 33	1020	rundll32.exe
Token: 34	1020	rundll32.exe
Token: 35	1020	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1020	rundll32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28
PID 1932 wrote to memory of 1020	1932	ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe	28

C:\Users\Admin\AppData\Local\Temp\ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe
"C:\Users\Admin\AppData\Local\Temp\ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1932
- 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:1020

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
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

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

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

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

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/1020-59-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-72-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-84-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-67-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-68-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-70-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-75-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-81-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-77-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1020-80-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1932-55-0x0000000074340000-0x00000000748EB000-memory.dmp

Filesize
5.7MB

Download
memory/1932-56-0x0000000000AB6000-0x0000000000AC7000-memory.dmp

Filesize
68KB

Download
memory/1932-82-0x0000000074340000-0x00000000748EB000-memory.dmp

Filesize
5.7MB

Download
memory/1932-83-0x0000000000AB6000-0x0000000000AC7000-memory.dmp

Filesize
68KB

Download
memory/1932-54-0x0000000075981000-0x0000000075983000-memory.dmp

Filesize
8KB

Download

Analysis

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