darkcomet | aa3df5a7ab7f2a616ea99c5d94ef451c9dbf4b3ecd0b65596a47eaabdcba7e2b

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 02:17

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General

Target

54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe
Size

1.1MB
MD5

54effa8bd854d67f4fa94892ee26601a
SHA1

bafd531eac669520999c0160a5029b94ed69498a
SHA256

aa3df5a7ab7f2a616ea99c5d94ef451c9dbf4b3ecd0b65596a47eaabdcba7e2b
SHA512

7ea7cf4bb015af5205228e87afb1391d2260aebf879f41dd69bb6a35208e8b2f68cf207955fdac89c8504527839d6f245a526dfeb9c961715a722bdba1af82ed
SSDEEP

12288:R2eq/SnRNA7LvewpXgi4uzCYKfhV0MwGRpAipfpWUYGfqo9s/Yos7O2OVzYRokb:R2e47Xs9PbS/Yr+ouZ4zjskCp

Score

10^/10

darkcomet discovery evasion persistence rat trojan

Malware Config

Signatures

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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

vbc.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	vbc.exe

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

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

Processes:

54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\N/A = "C:\\ProgramData\\Svg64.exe"	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe

description	pid	Process	procid_target
PID 292 set thread context of 2008	292	54effa8bd854d67f4fa94892ee26601a_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:

54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exevbc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	54effa8bd854d67f4fa94892ee26601a_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	2008	vbc.exe
Token: SeSecurityPrivilege	2008	vbc.exe
Token: SeTakeOwnershipPrivilege	2008	vbc.exe
Token: SeLoadDriverPrivilege	2008	vbc.exe
Token: SeSystemProfilePrivilege	2008	vbc.exe
Token: SeSystemtimePrivilege	2008	vbc.exe
Token: SeProfSingleProcessPrivilege	2008	vbc.exe
Token: SeIncBasePriorityPrivilege	2008	vbc.exe
Token: SeCreatePagefilePrivilege	2008	vbc.exe
Token: SeBackupPrivilege	2008	vbc.exe
Token: SeRestorePrivilege	2008	vbc.exe
Token: SeShutdownPrivilege	2008	vbc.exe
Token: SeDebugPrivilege	2008	vbc.exe
Token: SeSystemEnvironmentPrivilege	2008	vbc.exe
Token: SeChangeNotifyPrivilege	2008	vbc.exe
Token: SeRemoteShutdownPrivilege	2008	vbc.exe
Token: SeUndockPrivilege	2008	vbc.exe
Token: SeManageVolumePrivilege	2008	vbc.exe
Token: SeImpersonatePrivilege	2008	vbc.exe
Token: SeCreateGlobalPrivilege	2008	vbc.exe
Token: 33	2008	vbc.exe
Token: 34	2008	vbc.exe
Token: 35	2008	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid	Process
2008	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe

description	pid	Process	procid_target
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30
PID 292 wrote to memory of 2008	292	54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\54effa8bd854d67f4fa94892ee26601a_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:292
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - Windows security bypass
  - Checks BIOS information in registry
  - 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:2008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

memory/292-0-0x0000000074651000-0x0000000074652000-memory.dmp

Filesize
4KB

Download
memory/292-1-0x0000000074650000-0x0000000074BFB000-memory.dmp

Filesize
5.7MB

Download
memory/292-2-0x0000000074650000-0x0000000074BFB000-memory.dmp

Filesize
5.7MB

Download
memory/292-28-0x0000000074650000-0x0000000074BFB000-memory.dmp

Filesize
5.7MB

Download
memory/2008-15-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-32-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-23-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-21-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-18-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-3-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-14-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-9-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-7-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-6-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-27-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-29-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-30-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2008-31-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-33-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-22-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-34-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-35-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-36-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-37-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-38-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-39-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-40-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-41-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-42-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-43-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-44-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-45-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-46-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-47-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-48-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2008-49-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download