darkcomet | eb7330dc4cd1a339dc0ac9f4567c86b7cde3148cd392b11fd59cbddf693f9832

General

Target

65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe
Size

1.1MB
MD5

65400be8046fda189aef57b0b3e463d7
SHA1

67d82bd78d1a12933a947a85f869b07de2ea5478
SHA256

eb7330dc4cd1a339dc0ac9f4567c86b7cde3148cd392b11fd59cbddf693f9832
SHA512

67c744a07b201cd31d0714b08613a1db79f39a7d04db940b6e39f21cf1067114cc8ceb385bf5ece1e2cd826c096cc737f78c3a22ece0844ccb11f015d0ce4b00
SSDEEP

24576:Czyr5Ms1sZAnfOUibyKbCaUvaTRb+zQy7m/OTwJV:T1sOxRk+RqO

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
4088	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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe"	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1476 set thread context of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85

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	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4088	vbc.exe
Token: SeSecurityPrivilege	4088	vbc.exe
Token: SeTakeOwnershipPrivilege	4088	vbc.exe
Token: SeLoadDriverPrivilege	4088	vbc.exe
Token: SeSystemProfilePrivilege	4088	vbc.exe
Token: SeSystemtimePrivilege	4088	vbc.exe
Token: SeProfSingleProcessPrivilege	4088	vbc.exe
Token: SeIncBasePriorityPrivilege	4088	vbc.exe
Token: SeCreatePagefilePrivilege	4088	vbc.exe
Token: SeBackupPrivilege	4088	vbc.exe
Token: SeRestorePrivilege	4088	vbc.exe
Token: SeShutdownPrivilege	4088	vbc.exe
Token: SeDebugPrivilege	4088	vbc.exe
Token: SeSystemEnvironmentPrivilege	4088	vbc.exe
Token: SeChangeNotifyPrivilege	4088	vbc.exe
Token: SeRemoteShutdownPrivilege	4088	vbc.exe
Token: SeUndockPrivilege	4088	vbc.exe
Token: SeManageVolumePrivilege	4088	vbc.exe
Token: SeImpersonatePrivilege	4088	vbc.exe
Token: SeCreateGlobalPrivilege	4088	vbc.exe
Token: 33	4088	vbc.exe
Token: 34	4088	vbc.exe
Token: 35	4088	vbc.exe
Token: 36	4088	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4088	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85
PID 1476 wrote to memory of 4088	1476	65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\65400be8046fda189aef57b0b3e463d7_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476
- 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:4088

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

Replay Monitor

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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/1476-1-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/1476-2-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/1476-0-0x0000000074972000-0x0000000074973000-memory.dmp

Filesize
4KB

Download
memory/1476-15-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4088-21-0x0000000000810000-0x0000000000811000-memory.dmp

Filesize
4KB

Download
memory/4088-23-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-14-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-10-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-16-0x0000000000810000-0x0000000000811000-memory.dmp

Filesize
4KB

Download
memory/4088-17-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-19-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-18-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-20-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-7-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-22-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-12-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-24-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-25-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-26-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-27-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-28-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-29-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-30-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-31-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-32-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-33-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4088-34-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads