darkcomet | ad89e6e9a9b1c1be2de2e41fec4ac0b8ef10da7bd7bd083415f6b947b727401e

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12/07/2024, 22:43

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General

Target
3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe
Size 1.1MB
Sample240712-2ndcmswdjd
SHA256 ad89e6e9a9b1c1be2de2e41fec4ac0b8ef10da7bd7bd083415f6b947b727401e
MD5 3f2b4d9c79792ea67a420650f2d01d19
SHA1 907db779f082447c0c9bf928105fc56dee51214b
SHA512 969591f01a9e6d5a726df86da6173a7783e6e505e9b922732078414073e1ecbf5aea7fdb23267c76c60ace949a76521938d16ec0b7f2ae64f4963005e471cabc
SSDEEP 12288:6pIgsk6YJ2vE+hGW1UKIoWq+DqCcyG7OfYQ5M4cbW55+CEVOmBdDfyp2Y1D07rZB:6pMZEnbvqIWA50fEYVwrTo84EfZl0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet latentbot evasion persistence rat trojan

Malware Config

Extracted

Family

latentbot

outdorsman399.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

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

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rsbot = "C:\\ProgramData\\rsbotinstall.exe"	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 556 set thread context of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85

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

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

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

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2828	vbc.exe
Token: SeSecurityPrivilege	2828	vbc.exe
Token: SeTakeOwnershipPrivilege	2828	vbc.exe
Token: SeLoadDriverPrivilege	2828	vbc.exe
Token: SeSystemProfilePrivilege	2828	vbc.exe
Token: SeSystemtimePrivilege	2828	vbc.exe
Token: SeProfSingleProcessPrivilege	2828	vbc.exe
Token: SeIncBasePriorityPrivilege	2828	vbc.exe
Token: SeCreatePagefilePrivilege	2828	vbc.exe
Token: SeBackupPrivilege	2828	vbc.exe
Token: SeRestorePrivilege	2828	vbc.exe
Token: SeShutdownPrivilege	2828	vbc.exe
Token: SeDebugPrivilege	2828	vbc.exe
Token: SeSystemEnvironmentPrivilege	2828	vbc.exe
Token: SeChangeNotifyPrivilege	2828	vbc.exe
Token: SeRemoteShutdownPrivilege	2828	vbc.exe
Token: SeUndockPrivilege	2828	vbc.exe
Token: SeManageVolumePrivilege	2828	vbc.exe
Token: SeImpersonatePrivilege	2828	vbc.exe
Token: SeCreateGlobalPrivilege	2828	vbc.exe
Token: 33	2828	vbc.exe
Token: 34	2828	vbc.exe
Token: 35	2828	vbc.exe
Token: 36	2828	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2828	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85
PID 556 wrote to memory of 2828	556	3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3f2b4d9c79792ea67a420650f2d01d19_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:556
- 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
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

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

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/556-13-0x0000000074C00000-0x00000000751B1000-memory.dmp

Download

memory/556-1-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/556-2-0x0000000074C00000-0x00000000751B1000-memory.dmp

Download

memory/556-0-0x0000000074C02000-0x0000000074C03000-memory.dmp

Download

memory/2828-18-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-19-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-10-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-3-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/2828-12-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/2828-11-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/2828-15-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-16-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-14-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-17-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/2828-4-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-5-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/2828-20-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-21-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-22-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-23-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/2828-24-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/2828-25-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-26-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/2828-27-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/2828-28-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/2828-29-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-30-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/2828-31-0x0000000000400000-0x00000000004B0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads