darkcomet | 1f17be2c2037f5de0d8bbbe18a6e3a501f6e9ddce63986db590e5c5de253c2a1

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-10-2024 07:18

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General

Target

6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe
Size

1.2MB
MD5

6101d5816d9b43be4e1f6803be27e0d3
SHA1

ec55680cfb6fb9275dc734c1f456247a4ded36f3
SHA256

1f17be2c2037f5de0d8bbbe18a6e3a501f6e9ddce63986db590e5c5de253c2a1
SHA512

8863c77a77333cb392ddeaea35a348338635630c235062a2d7d6c7f4e9f4e247dc8732e2fedc5b061dfcfd0d5c8fb0b03a8cae307137ddf70f51662f97e45f68
SSDEEP

24576:Av/R6SDK8s8pWjm2Qbj22pv/axtYRzXi0Ybp2dvzR:Av0KpxpVvj22pv/g3bYdbR

Score

10^/10

darkcomet discovery rat trojan

Malware Config

Signatures

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

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

vbc.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	vbc.exe

Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid	Process
2648	vbc.exe

Loads dropped DLL 1 IoCs

Processes:

6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe

pid	Process
2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

Processes:

6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2980 set thread context of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30

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

Processes:

6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exevbc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

vbc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	vbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	vbc.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

vbc.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

vbc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2648	vbc.exe
Token: SeSecurityPrivilege	2648	vbc.exe
Token: SeTakeOwnershipPrivilege	2648	vbc.exe
Token: SeLoadDriverPrivilege	2648	vbc.exe
Token: SeSystemProfilePrivilege	2648	vbc.exe
Token: SeSystemtimePrivilege	2648	vbc.exe
Token: SeProfSingleProcessPrivilege	2648	vbc.exe
Token: SeIncBasePriorityPrivilege	2648	vbc.exe
Token: SeCreatePagefilePrivilege	2648	vbc.exe
Token: SeBackupPrivilege	2648	vbc.exe
Token: SeRestorePrivilege	2648	vbc.exe
Token: SeShutdownPrivilege	2648	vbc.exe
Token: SeDebugPrivilege	2648	vbc.exe
Token: SeSystemEnvironmentPrivilege	2648	vbc.exe
Token: SeChangeNotifyPrivilege	2648	vbc.exe
Token: SeRemoteShutdownPrivilege	2648	vbc.exe
Token: SeUndockPrivilege	2648	vbc.exe
Token: SeManageVolumePrivilege	2648	vbc.exe
Token: SeImpersonatePrivilege	2648	vbc.exe
Token: SeCreateGlobalPrivilege	2648	vbc.exe
Token: 33	2648	vbc.exe
Token: 34	2648	vbc.exe
Token: 35	2648	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid	Process
2648	vbc.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2648	2980	6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6101d5816d9b43be4e1f6803be27e0d3_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

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
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2648-7-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-48-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-34-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-33-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-32-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-53-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-30-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-27-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2648-26-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-24-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-20-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-18-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-16-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-9-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-12-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-11-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-36-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-52-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-35-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-14-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-51-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-50-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-38-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-39-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-40-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-41-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-42-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-43-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-44-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-45-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-46-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-47-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-37-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2648-49-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2980-0-0x0000000074051000-0x0000000074052000-memory.dmp

Filesize
4KB

Download
memory/2980-1-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2980-2-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2980-31-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download