darkcomet | 6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f

General

Target

6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe
Size

998KB
MD5

dcf14bb6e02becfd0b7f7b98a4ee3e4c
SHA1

3c1a56a4a6d41ee34524605c6aa74a0f90a5dd86
SHA256

6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f
SHA512

1d689acfb6960cc88fef07e87ddb50a728c48db0be85590a91c7e68ea981ef40d83e0693b4b0916b6e6234acbf2ef928ef427337cc8ecd2707f73db9cb9f0aa0
SSDEEP

12288:7sr1USzDS/8WASf4J++TjRFF7OsGkyBZkLz8aKFyr14A9mI6f/iw92pl3HvepoCu:p4JjFmvO3RG9KXpVOHtgZt

Score

10^/10

darkcomet love discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Love

C2

pshta.zapto.org:1604

Mutex

DCMIN_MUTEX-Q1YELYU

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
mJCj5iC2pxqz
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

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

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 2 IoCs

pid	Process
4660	svchost.exe
2144	IMDCSC.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1 = "C:\\Users\\Admin\\AppData\\Roaming\\6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe"	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4652 set thread context of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4660	svchost.exe
Token: SeSecurityPrivilege	4660	svchost.exe
Token: SeTakeOwnershipPrivilege	4660	svchost.exe
Token: SeLoadDriverPrivilege	4660	svchost.exe
Token: SeSystemProfilePrivilege	4660	svchost.exe
Token: SeSystemtimePrivilege	4660	svchost.exe
Token: SeProfSingleProcessPrivilege	4660	svchost.exe
Token: SeIncBasePriorityPrivilege	4660	svchost.exe
Token: SeCreatePagefilePrivilege	4660	svchost.exe
Token: SeBackupPrivilege	4660	svchost.exe
Token: SeRestorePrivilege	4660	svchost.exe
Token: SeShutdownPrivilege	4660	svchost.exe
Token: SeDebugPrivilege	4660	svchost.exe
Token: SeSystemEnvironmentPrivilege	4660	svchost.exe
Token: SeChangeNotifyPrivilege	4660	svchost.exe
Token: SeRemoteShutdownPrivilege	4660	svchost.exe
Token: SeUndockPrivilege	4660	svchost.exe
Token: SeManageVolumePrivilege	4660	svchost.exe
Token: SeImpersonatePrivilege	4660	svchost.exe
Token: SeCreateGlobalPrivilege	4660	svchost.exe
Token: 33	4660	svchost.exe
Token: 34	4660	svchost.exe
Token: 35	4660	svchost.exe
Token: 36	4660	svchost.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4652 wrote to memory of 4660	4652	6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe	86
PID 4660 wrote to memory of 2144	4660	svchost.exe	87
PID 4660 wrote to memory of 2144	4660	svchost.exe	87
PID 4660 wrote to memory of 2144	4660	svchost.exe	87

C:\Users\Admin\AppData\Local\Temp\6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe
"C:\Users\Admin\AppData\Local\Temp\6ba71bb7f612544dc8093c9a8307705d0f163b15e09b6757b5528e7a9506c05f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4652
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4660
- - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/4652-0-0x0000000074F92000-0x0000000074F93000-memory.dmp

Filesize
4KB

Download
memory/4652-1-0x0000000074F90000-0x0000000075541000-memory.dmp

Filesize
5.7MB

Download
memory/4652-2-0x0000000074F90000-0x0000000075541000-memory.dmp

Filesize
5.7MB

Download
memory/4652-28-0x0000000074F90000-0x0000000075541000-memory.dmp

Filesize
5.7MB

Download
memory/4660-10-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4660-14-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4660-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4660-15-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/4660-7-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4660-26-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads