darkcomet | 7e6a4187c63b71f6e3ee87adeda48474a0d9787161e2d375d5c9e3a449c902f7

General

Target

a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Size

660KB
MD5

a1f5a8ee77c66ba3b74b55f37be7b5e5
SHA1

33c06f5fc98557b20be2719eb6b167de5db97833
SHA256

7e6a4187c63b71f6e3ee87adeda48474a0d9787161e2d375d5c9e3a449c902f7
SHA512

fcd3db5feeeec9a1fe83b8c934d0a8dbf264cafdf7cbaf20084febccda09ae863d34c6819b00ef01e18b94bddec6f89217d25e60d0e1b9ec1c607cc3a234be81
SSDEEP

12288:gXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uv:mnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jf

Score

10^/10

darkcomet guest16_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

chememo1.no-ip.org:81

Mutex

DCMIN_MUTEX-7W4BBR2

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
1xSDcZWTTQQQ
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

Processes:

a1f5a8ee77c66ba3b74b55f37be7b5e5.exe

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"	a1f5a8ee77c66ba3b74b55f37be7b5e5.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:

a1f5a8ee77c66ba3b74b55f37be7b5e5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-910440534-423636034-2318342392-1000\Control Panel\International\Geo\Nation	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe

Executes dropped EXE 1 IoCs

Processes:

IMDCSC.exe

pid process

1740 IMDCSC.exe

pid	process
1740	IMDCSC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

a1f5a8ee77c66ba3b74b55f37be7b5e5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-910440534-423636034-2318342392-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

a1f5a8ee77c66ba3b74b55f37be7b5e5.exeIMDCSC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeSecurityPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeTakeOwnershipPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeLoadDriverPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeSystemProfilePrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeSystemtimePrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeProfSingleProcessPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeIncBasePriorityPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeCreatePagefilePrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeBackupPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeRestorePrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeShutdownPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeDebugPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeSystemEnvironmentPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeChangeNotifyPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeRemoteShutdownPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeUndockPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeManageVolumePrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeImpersonatePrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeCreateGlobalPrivilege	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: 33	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: 34	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: 35	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: 36	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
Token: SeIncreaseQuotaPrivilege	1740	IMDCSC.exe
Token: SeSecurityPrivilege	1740	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	1740	IMDCSC.exe
Token: SeLoadDriverPrivilege	1740	IMDCSC.exe
Token: SeSystemProfilePrivilege	1740	IMDCSC.exe
Token: SeSystemtimePrivilege	1740	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	1740	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	1740	IMDCSC.exe
Token: SeCreatePagefilePrivilege	1740	IMDCSC.exe
Token: SeBackupPrivilege	1740	IMDCSC.exe
Token: SeRestorePrivilege	1740	IMDCSC.exe
Token: SeShutdownPrivilege	1740	IMDCSC.exe
Token: SeDebugPrivilege	1740	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	1740	IMDCSC.exe
Token: SeChangeNotifyPrivilege	1740	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	1740	IMDCSC.exe
Token: SeUndockPrivilege	1740	IMDCSC.exe
Token: SeManageVolumePrivilege	1740	IMDCSC.exe
Token: SeImpersonatePrivilege	1740	IMDCSC.exe
Token: SeCreateGlobalPrivilege	1740	IMDCSC.exe
Token: 33	1740	IMDCSC.exe
Token: 34	1740	IMDCSC.exe
Token: 35	1740	IMDCSC.exe
Token: 36	1740	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

IMDCSC.exe

pid process

1740 IMDCSC.exe

pid	process
1740	IMDCSC.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

a1f5a8ee77c66ba3b74b55f37be7b5e5.exe

description	pid	process	target process
PID 2948 wrote to memory of 1740	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe	IMDCSC.exe
PID 2948 wrote to memory of 1740	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe	IMDCSC.exe
PID 2948 wrote to memory of 1740	2948	a1f5a8ee77c66ba3b74b55f37be7b5e5.exe	IMDCSC.exe

C:\Users\Admin\AppData\Local\Temp\a1f5a8ee77c66ba3b74b55f37be7b5e5.exe
"C:\Users\Admin\AppData\Local\Temp\a1f5a8ee77c66ba3b74b55f37be7b5e5.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1740

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
Filesize
660KB

MD5
a1f5a8ee77c66ba3b74b55f37be7b5e5

SHA1
33c06f5fc98557b20be2719eb6b167de5db97833

SHA256
7e6a4187c63b71f6e3ee87adeda48474a0d9787161e2d375d5c9e3a449c902f7

SHA512
fcd3db5feeeec9a1fe83b8c934d0a8dbf264cafdf7cbaf20084febccda09ae863d34c6819b00ef01e18b94bddec6f89217d25e60d0e1b9ec1c607cc3a234be81

Download Submit
memory/1740-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-15-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-19-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-16-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-17-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-21-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-13-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/1740-27-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-26-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-24-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1740-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2948-0-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download
memory/2948-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads