darkcomet | a47445f2242c4c1b30280705669b8b274d2bbc451f02673d6b0aa7d4fb02a022

General

Target

3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe
Size

1.1MB
MD5

3f281780399af71e77df8d6ff6b3da02
SHA1

a713b5a03a3924f956dc3d30050a9cc08edddd69
SHA256

a47445f2242c4c1b30280705669b8b274d2bbc451f02673d6b0aa7d4fb02a022
SHA512

f7c0ea4f00c276c26adce74e9b59cb6aa69555e6bf0ea7737b3575eb6caae01abdbc1593b45f08c186177b479d12eb5a6d761ec038cf25f5f1802ff54bf2a346
SSDEEP

24576:JBJ9+WEnC0eyMFTv4Zq4eK5z63mGgmKsNJ:H+WEC028GKB63rhzN

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Executes dropped EXE 1 IoCs

pid	Process
2124	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe"	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4304 set thread context of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 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	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2124	vbc.exe
Token: SeSecurityPrivilege	2124	vbc.exe
Token: SeTakeOwnershipPrivilege	2124	vbc.exe
Token: SeLoadDriverPrivilege	2124	vbc.exe
Token: SeSystemProfilePrivilege	2124	vbc.exe
Token: SeSystemtimePrivilege	2124	vbc.exe
Token: SeProfSingleProcessPrivilege	2124	vbc.exe
Token: SeIncBasePriorityPrivilege	2124	vbc.exe
Token: SeCreatePagefilePrivilege	2124	vbc.exe
Token: SeBackupPrivilege	2124	vbc.exe
Token: SeRestorePrivilege	2124	vbc.exe
Token: SeShutdownPrivilege	2124	vbc.exe
Token: SeDebugPrivilege	2124	vbc.exe
Token: SeSystemEnvironmentPrivilege	2124	vbc.exe
Token: SeChangeNotifyPrivilege	2124	vbc.exe
Token: SeRemoteShutdownPrivilege	2124	vbc.exe
Token: SeUndockPrivilege	2124	vbc.exe
Token: SeManageVolumePrivilege	2124	vbc.exe
Token: SeImpersonatePrivilege	2124	vbc.exe
Token: SeCreateGlobalPrivilege	2124	vbc.exe
Token: 33	2124	vbc.exe
Token: 34	2124	vbc.exe
Token: 35	2124	vbc.exe
Token: 36	2124	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2124	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86
PID 4304 wrote to memory of 2124	4304	3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3f281780399af71e77df8d6ff6b3da02_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4304
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\vbc.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/2124-19-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2124-18-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2124-31-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2124-29-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2124-10-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2124-12-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2124-14-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2124-27-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2124-25-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2124-16-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/2124-7-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2124-17-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2124-21-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/2124-20-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2124-23-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4304-2-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4304-15-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4304-0-0x0000000074F02000-0x0000000074F03000-memory.dmp

Filesize
4KB

Download
memory/4304-1-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads