darkcomet | 33b87e2b46562bfffedc7d6652f4c1574eb877ec8828900133856da2126817a6

General

Target

27b96be403685a34c41056fdbb6c6e09.exe
Size

756KB
MD5

27b96be403685a34c41056fdbb6c6e09
SHA1

6466daed5e5c6818a96324fcfb03333dd53a340e
SHA256

33b87e2b46562bfffedc7d6652f4c1574eb877ec8828900133856da2126817a6
SHA512

a66f27519cea93e0497de6eecb6c7266cf3db15a8f73e438d86bee6814a9f9534e9d2969e0591130ad7e3598b47d99baf92f1764208b8050cd8bf60084b8c38a
SSDEEP

12288:Y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hiW:MZ1xuVVjfFoynPaVBUR8f+kN10EB9

Score

10^/10

darkcomet slave persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Slave

C2

jakescomet.no-ip.biz:1604

Mutex

DC_MUTEX-36Z1G1Z

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Ho1ZjXVvgkT0
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

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:

27b96be403685a34c41056fdbb6c6e09.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\\MSDCSC\\msdcsc.exe"	27b96be403685a34c41056fdbb6c6e09.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

27b96be403685a34c41056fdbb6c6e09.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	27b96be403685a34c41056fdbb6c6e09.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

27b96be403685a34c41056fdbb6c6e09.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeSecurityPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeTakeOwnershipPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeLoadDriverPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeSystemProfilePrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeSystemtimePrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeProfSingleProcessPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeIncBasePriorityPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeCreatePagefilePrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeBackupPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeRestorePrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeShutdownPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeDebugPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeSystemEnvironmentPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeChangeNotifyPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeRemoteShutdownPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeUndockPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeManageVolumePrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeImpersonatePrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: SeCreateGlobalPrivilege	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: 33	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: 34	2560	27b96be403685a34c41056fdbb6c6e09.exe
Token: 35	2560	27b96be403685a34c41056fdbb6c6e09.exe

C:\Users\Admin\AppData\Local\Temp\27b96be403685a34c41056fdbb6c6e09.exe
"C:\Users\Admin\AppData\Local\Temp\27b96be403685a34c41056fdbb6c6e09.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:2560

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
PID:2000

C:\Windows\SysWOW64\notepad.exe
notepad
1⤵
PID:2400

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
92KB

MD5
07cab8cb72956f7ef5d016d44564ab72

SHA1
af93cd94303aea2cd69a4a64b71d77ac669f7c72

SHA256
2444539d6fc0e082c33b65a3655fe1b121a04b8c236e6cbd77474a48dee2dfa0

SHA512
33ef9c30712e7fe6362006a75d00ab0a3b771cda46851f5baff7c2844fa6247e15460527e3ca22d09ede1e11e2665792773704ca7cb759e4ddaacfcc8718c103

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
385KB

MD5
de1d1480d45547dc5c51e58387cb942e

SHA1
b641843c35eb85862054bf3fd80226768978367f

SHA256
278e1ad300003b84ac14b9960eed308b045fb209218779950705f85ee6fd4c23

SHA512
574a8caaac8966d3b7a4716decb6d9c3f62de29cdf6f350a5e942bc4a23e728dbe5e904fab6416c56a87c4fe37882c876673fe1cd9ff1e450a7b25406e0c9478

Download Submit
memory/2000-44-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-45-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-54-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-53-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-52-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-41-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-42-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-43-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-51-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-11-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2000-46-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-47-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-48-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-49-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2000-50-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2400-39-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2400-13-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2560-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2560-40-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads