darkcomet | ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29

General

Target

ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe
Size

693KB
MD5

ef41698536593902b16f35201a7ec5cf
SHA1

a75fd23206d3b376982484c96da41eeb81386a86
SHA256

ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29
SHA512

2776d0814bb0ec0f4bc97b2baafd7e9e5e24d5298015f9a1b25f09b32347ea67f8760b172a6418f4da594b1fdb065a74b08b48f452cf6b31470394b2e5988485
SSDEEP

12288:WIwi/NAnbFVXHNs653GAUAuvG62sMBVnZVcnOjQwBdVV05IM8ZF7z04bh:WIwi/NAbXC652AU42nlwBD65mZF7HF

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-F54S21D

Attributes

gencode
yfe2bQYXseln
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

Processes:

serve2r.exe

pid process

484 serve2r.exe
Loads dropped DLL 1 IoCs

Processes:

ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe

pid process

964 ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe

pid	process
484	serve2r.exe

pid	process
964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\Serve2r.exe"	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe

description	pid	process	target process
PID 964 set thread context of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.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 24 IoCs

Processes:

ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exeserve2r.exe

description	pid	process
Token: SeDebugPrivilege	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe
Token: SeIncreaseQuotaPrivilege	484	serve2r.exe
Token: SeSecurityPrivilege	484	serve2r.exe
Token: SeTakeOwnershipPrivilege	484	serve2r.exe
Token: SeLoadDriverPrivilege	484	serve2r.exe
Token: SeSystemProfilePrivilege	484	serve2r.exe
Token: SeSystemtimePrivilege	484	serve2r.exe
Token: SeProfSingleProcessPrivilege	484	serve2r.exe
Token: SeIncBasePriorityPrivilege	484	serve2r.exe
Token: SeCreatePagefilePrivilege	484	serve2r.exe
Token: SeBackupPrivilege	484	serve2r.exe
Token: SeRestorePrivilege	484	serve2r.exe
Token: SeShutdownPrivilege	484	serve2r.exe
Token: SeDebugPrivilege	484	serve2r.exe
Token: SeSystemEnvironmentPrivilege	484	serve2r.exe
Token: SeChangeNotifyPrivilege	484	serve2r.exe
Token: SeRemoteShutdownPrivilege	484	serve2r.exe
Token: SeUndockPrivilege	484	serve2r.exe
Token: SeManageVolumePrivilege	484	serve2r.exe
Token: SeImpersonatePrivilege	484	serve2r.exe
Token: SeCreateGlobalPrivilege	484	serve2r.exe
Token: 33	484	serve2r.exe
Token: 34	484	serve2r.exe
Token: 35	484	serve2r.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

serve2r.exe

pid process

484 serve2r.exe

pid	process
484	serve2r.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe

description	pid	process	target process
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe
PID 964 wrote to memory of 484	964	ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe	serve2r.exe

C:\Users\Admin\AppData\Local\Temp\ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe
"C:\Users\Admin\AppData\Local\Temp\ca0db2830755df9ce272dd4f25f09568b9430c6f0a60a58d8a1ab5982322ad29.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964

C:\Users\Admin\AppData\Local\Temp\serve2r.exe
C:\Users\Admin\AppData\Local\Temp\serve2r.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:484

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\serve2r.exe
Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\AppData\Local\Temp\serve2r.exe
Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/484-115-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-86-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-60-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-61-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-63-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-65-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-66-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-68-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-70-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-71-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-73-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-75-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-76-0x0000000000401000-mapping.dmp

Download
memory/484-78-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-79-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-80-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-81-0x00000000002F0000-0x0000000000350000-memory.dmp

Filesize
384KB

Download
memory/484-83-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-84-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-57-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-85-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-100-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-99-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-101-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-102-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-117-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-119-0x00000000002F0000-0x0000000000350000-memory.dmp

Filesize
384KB

Download
memory/484-58-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/484-107-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-112-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-111-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-110-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-109-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-108-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-113-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-106-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-105-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-104-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-103-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-98-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-97-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-96-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-95-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-94-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-93-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-92-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-91-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-90-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-89-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-88-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-87-0x00000000004A0000-0x00000000004A1600-memory.dmp

Filesize
5KB

Download
memory/484-114-0x00000000004A1000-0x00000000004A2000-memory.dmp

Filesize
4KB

Download
memory/484-118-0x0000000000400000-0x0000000000519000-memory.dmp

Filesize
1.1MB

Download
memory/964-54-0x0000000075151000-0x0000000075153000-memory.dmp

Filesize
8KB

Download
memory/964-55-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/964-82-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads