darkcomet | cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72

General

Target

cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Size

720KB
MD5

6ba4a7256ec1bfc7df3ce97b038780d1
SHA1

35e84eaad0f438beed9b4ac93cabf89275afe821
SHA256

cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72
SHA512

941ea136b35f574c73fb4c3a763909060c02c4abce8b1e0ba8348df1cd49516f30d6ef766363435748b38a1a460dd2b580f240a2020736382501511efaecc73e
SSDEEP

12288:jrayyPRqmsl1nbsemjtyhunREl8QmElwRB7nR8dyV5pwEaKrj0izflO:kQDlJmjtyhuWlzlibR8dyuEaKj0iz9

Score

10^/10

darkcomet naam persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

naam

C2

namuna.zapto.org:5000

Mutex

DCMIN_MUTEX-NWZN7WB

Attributes

InstallPath
MSDCSC\svchost.exe
gencode
rghasalJMHfn
install
true
offline_keylogger
true
persistence
false
reg_key
rundll.exe

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

Processes:

cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\svchost.exe"	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe

Executes dropped EXE 2 IoCs

Processes:

svchost.exesvchost.exe

pid process

3044 svchost.exe
3876 svchost.exe

pid	process
3044	svchost.exe
3876	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll.exe = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\svchost.exe"	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exesvchost.exe

description	pid	process	target process
PID 2928 set thread context of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 3044 set thread context of 3876	3044	svchost.exe	svchost.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 48 IoCs

Processes:

cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exesvchost.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeSecurityPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeTakeOwnershipPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeLoadDriverPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeSystemProfilePrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeSystemtimePrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeProfSingleProcessPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeIncBasePriorityPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeCreatePagefilePrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeBackupPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeRestorePrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeShutdownPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeDebugPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeSystemEnvironmentPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeChangeNotifyPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeRemoteShutdownPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeUndockPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeManageVolumePrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeImpersonatePrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeCreateGlobalPrivilege	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: 33	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: 34	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: 35	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: 36	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
Token: SeIncreaseQuotaPrivilege	3876	svchost.exe
Token: SeSecurityPrivilege	3876	svchost.exe
Token: SeTakeOwnershipPrivilege	3876	svchost.exe
Token: SeLoadDriverPrivilege	3876	svchost.exe
Token: SeSystemProfilePrivilege	3876	svchost.exe
Token: SeSystemtimePrivilege	3876	svchost.exe
Token: SeProfSingleProcessPrivilege	3876	svchost.exe
Token: SeIncBasePriorityPrivilege	3876	svchost.exe
Token: SeCreatePagefilePrivilege	3876	svchost.exe
Token: SeBackupPrivilege	3876	svchost.exe
Token: SeRestorePrivilege	3876	svchost.exe
Token: SeShutdownPrivilege	3876	svchost.exe
Token: SeDebugPrivilege	3876	svchost.exe
Token: SeSystemEnvironmentPrivilege	3876	svchost.exe
Token: SeChangeNotifyPrivilege	3876	svchost.exe
Token: SeRemoteShutdownPrivilege	3876	svchost.exe
Token: SeUndockPrivilege	3876	svchost.exe
Token: SeManageVolumePrivilege	3876	svchost.exe
Token: SeImpersonatePrivilege	3876	svchost.exe
Token: SeCreateGlobalPrivilege	3876	svchost.exe
Token: 33	3876	svchost.exe
Token: 34	3876	svchost.exe
Token: 35	3876	svchost.exe
Token: 36	3876	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

3876 svchost.exe

pid	process
3876	svchost.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.execb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exesvchost.exe

description	pid	process	target process
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 2928 wrote to memory of 3180	2928	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
PID 3180 wrote to memory of 3044	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	svchost.exe
PID 3180 wrote to memory of 3044	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	svchost.exe
PID 3180 wrote to memory of 3044	3180	cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe
PID 3044 wrote to memory of 3876	3044	svchost.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
"C:\Users\Admin\AppData\Local\Temp\cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2928

C:\Users\Admin\AppData\Local\Temp\cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
C:\Users\Admin\AppData\Local\Temp\cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72.exe
2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3180

C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\svchost.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\svchost.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3044

C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\svchost.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\svchost.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\svchost.exe
Filesize
720KB

MD5
6ba4a7256ec1bfc7df3ce97b038780d1

SHA1
35e84eaad0f438beed9b4ac93cabf89275afe821

SHA256
cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72

SHA512
941ea136b35f574c73fb4c3a763909060c02c4abce8b1e0ba8348df1cd49516f30d6ef766363435748b38a1a460dd2b580f240a2020736382501511efaecc73e

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\svchost.exe
Filesize
720KB

MD5
6ba4a7256ec1bfc7df3ce97b038780d1

SHA1
35e84eaad0f438beed9b4ac93cabf89275afe821

SHA256
cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72

SHA512
941ea136b35f574c73fb4c3a763909060c02c4abce8b1e0ba8348df1cd49516f30d6ef766363435748b38a1a460dd2b580f240a2020736382501511efaecc73e

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\svchost.exe
Filesize
720KB

MD5
6ba4a7256ec1bfc7df3ce97b038780d1

SHA1
35e84eaad0f438beed9b4ac93cabf89275afe821

SHA256
cb2422fee19846491846526008f4b73d17d8d20bf5c9fc9d161c5492b33c1a72

SHA512
941ea136b35f574c73fb4c3a763909060c02c4abce8b1e0ba8348df1cd49516f30d6ef766363435748b38a1a460dd2b580f240a2020736382501511efaecc73e

Download Submit
memory/2928-134-0x0000000000530000-0x0000000000534000-memory.dmp

Filesize
16KB

Download
memory/3044-138-0x0000000000000000-mapping.dmp

Download
memory/3180-135-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3180-137-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3180-136-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3180-132-0x0000000000000000-mapping.dmp

Download
memory/3180-143-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3180-133-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3876-141-0x0000000000000000-mapping.dmp

Download
memory/3876-146-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3876-147-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3876-148-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads