darkcomet | 045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f

General

Target

045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe
Size

632KB
MD5

745ec1ff9dbb12e8a8f64e7d0404e329
SHA1

9b0c22b8cef19baf9217efdae81998c848165bd4
SHA256

045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f
SHA512

927f624f4088cdc0d26978a38fc70934bd7e00b22239d4677f98540a12ac34d3d827cdddcd05e77221788ed0050d0dd0ecbe3508497c5af35f56ed14f73125f0
SSDEEP

12288:4Shz5IBcIcxbzPSQoj8sAxu3ArRnyO6vj+4SwD4:Fz5i4x2j8hxLr09jru

Score

10^/10

darkcomet settings5 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

settings5

C2

soxprox1979.zapto.org:1604

Mutex

DCMIN_MUTEX-79J7P3V

Attributes

gencode
855v2ncQdoa5
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:

1204dcttsvc.exe

pid process

4648 1204dcttsvc.exe

pid	process
4648	1204dcttsvc.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4648-135-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4648-138-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4648-139-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4648-141-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4648-142-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4648-143-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4648-144-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FacbookUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\FacbookUpdate.exe"	045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe

description	pid	process	target process
PID 4772 set thread context of 4648	4772	045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe	1204dcttsvc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe

pid process

4772 045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe

pid	process
4772	045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe1204dcttsvc.exe

description	pid	process
Token: SeDebugPrivilege	4772	045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe
Token: SeIncreaseQuotaPrivilege	4648	1204dcttsvc.exe
Token: SeSecurityPrivilege	4648	1204dcttsvc.exe
Token: SeTakeOwnershipPrivilege	4648	1204dcttsvc.exe
Token: SeLoadDriverPrivilege	4648	1204dcttsvc.exe
Token: SeSystemProfilePrivilege	4648	1204dcttsvc.exe
Token: SeSystemtimePrivilege	4648	1204dcttsvc.exe
Token: SeProfSingleProcessPrivilege	4648	1204dcttsvc.exe
Token: SeIncBasePriorityPrivilege	4648	1204dcttsvc.exe
Token: SeCreatePagefilePrivilege	4648	1204dcttsvc.exe
Token: SeBackupPrivilege	4648	1204dcttsvc.exe
Token: SeRestorePrivilege	4648	1204dcttsvc.exe
Token: SeShutdownPrivilege	4648	1204dcttsvc.exe
Token: SeDebugPrivilege	4648	1204dcttsvc.exe
Token: SeSystemEnvironmentPrivilege	4648	1204dcttsvc.exe
Token: SeChangeNotifyPrivilege	4648	1204dcttsvc.exe
Token: SeRemoteShutdownPrivilege	4648	1204dcttsvc.exe
Token: SeUndockPrivilege	4648	1204dcttsvc.exe
Token: SeManageVolumePrivilege	4648	1204dcttsvc.exe
Token: SeImpersonatePrivilege	4648	1204dcttsvc.exe
Token: SeCreateGlobalPrivilege	4648	1204dcttsvc.exe
Token: 33	4648	1204dcttsvc.exe
Token: 34	4648	1204dcttsvc.exe
Token: 35	4648	1204dcttsvc.exe
Token: 36	4648	1204dcttsvc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1204dcttsvc.exe

pid process

4648 1204dcttsvc.exe

pid	process
4648	1204dcttsvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe

description	pid	process	target process
PID 4772 wrote to memory of 4648	4772	045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe	1204dcttsvc.exe
PID 4772 wrote to memory of 4648	4772	045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe	1204dcttsvc.exe
PID 4772 wrote to memory of 4648	4772	045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe	1204dcttsvc.exe
PID 4772 wrote to memory of 4648	4772	045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe	1204dcttsvc.exe
PID 4772 wrote to memory of 4648	4772	045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe	1204dcttsvc.exe
PID 4772 wrote to memory of 4648	4772	045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe	1204dcttsvc.exe
PID 4772 wrote to memory of 4648	4772	045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe	1204dcttsvc.exe
PID 4772 wrote to memory of 4648	4772	045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe	1204dcttsvc.exe

C:\Users\Admin\AppData\Local\Temp\045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe
"C:\Users\Admin\AppData\Local\Temp\045595a4493dc26842880460683d89cf44b87c4bcaa1d77ad671784aec5bd97f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4772

C:\Users\Admin\AppData\Local\Temp\AppLaunch\1204dcttsvc.exe
C:\Users\Admin\AppData\Local\Temp\\AppLaunch\1204dcttsvc.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4648

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\AppLaunch\1204dcttsvc.exe
Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
C:\Users\Admin\AppData\Local\Temp\AppLaunch\1204dcttsvc.exe
Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/4648-134-0x0000000000000000-mapping.dmp

Download
memory/4648-135-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4648-138-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4648-139-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4648-141-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4648-142-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4648-143-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4648-144-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4772-132-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/4772-133-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads