darkcomet | 2a0726f1a3d0f5c3e3e84ccfa1dd947a2aba787e98674952507d9801de680348

General

Target

JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe
Size

765KB
MD5

7a7168d18cf94852a2578f547e266562
SHA1

aefef4ccb0c2803385e7c13a625b99fa029f32cb
SHA256

2a0726f1a3d0f5c3e3e84ccfa1dd947a2aba787e98674952507d9801de680348
SHA512

2c1be8f04af75e8aca5c8328e3d17369028355cbe61f5cac83854b83190f93b8981a547fb78de8b28981246c017527d88fbf9f915b94bd293f3e93b8edc296af
SSDEEP

12288:D/yNKIEKuBH/WX3VObB725u/SioKG87CvA76VRB+/5i4gPeAIEylo43xu:LBlZ+nVOt7Ku/zkA+LBm1AQxu

Score

10^/10

darkcomet guest16 discovery evasion rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

t0rkz60.zapto.org:1604

Mutex

DC_MUTEX-3XFKE7L

Attributes

gencode
JKhfdZjs1vQG
install
false
offline_keylogger
true
persistence
false

Signatures

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

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe

Disables Task Manager via registry modification
evasion

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1576 set thread context of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	applaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	REG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	REG.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe

Modifies registry key 1 TTPs 2 IoCs

Modify Registry

T1112

pid	Process
3708	REG.exe
2144	REG.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4752	applaunch.exe
Token: SeSecurityPrivilege	4752	applaunch.exe
Token: SeTakeOwnershipPrivilege	4752	applaunch.exe
Token: SeLoadDriverPrivilege	4752	applaunch.exe
Token: SeSystemProfilePrivilege	4752	applaunch.exe
Token: SeSystemtimePrivilege	4752	applaunch.exe
Token: SeProfSingleProcessPrivilege	4752	applaunch.exe
Token: SeIncBasePriorityPrivilege	4752	applaunch.exe
Token: SeCreatePagefilePrivilege	4752	applaunch.exe
Token: SeBackupPrivilege	4752	applaunch.exe
Token: SeRestorePrivilege	4752	applaunch.exe
Token: SeShutdownPrivilege	4752	applaunch.exe
Token: SeDebugPrivilege	4752	applaunch.exe
Token: SeSystemEnvironmentPrivilege	4752	applaunch.exe
Token: SeChangeNotifyPrivilege	4752	applaunch.exe
Token: SeRemoteShutdownPrivilege	4752	applaunch.exe
Token: SeUndockPrivilege	4752	applaunch.exe
Token: SeManageVolumePrivilege	4752	applaunch.exe
Token: SeImpersonatePrivilege	4752	applaunch.exe
Token: SeCreateGlobalPrivilege	4752	applaunch.exe
Token: 33	4752	applaunch.exe
Token: 34	4752	applaunch.exe
Token: 35	4752	applaunch.exe
Token: 36	4752	applaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4752	applaunch.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 4752	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	83
PID 1576 wrote to memory of 756	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	84
PID 1576 wrote to memory of 756	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	84
PID 1576 wrote to memory of 756	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	84
PID 1576 wrote to memory of 3708	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	85
PID 1576 wrote to memory of 3708	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	85
PID 1576 wrote to memory of 3708	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	85
PID 1576 wrote to memory of 2144	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	86
PID 1576 wrote to memory of 2144	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	86
PID 1576 wrote to memory of 2144	1576	JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a7168d18cf94852a2578f547e266562.exe"
1⤵
- Disables RegEdit via registry modification
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\applaunch.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\applaunch.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4752
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\VYYdC.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:756
- C:\Windows\SysWOW64\REG.exe
  REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoControlPanel /t REG_DWORD /d 0 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry key
  PID:3708
- C:\Windows\SysWOW64\REG.exe
  REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 1 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry key
  PID:2144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\VYYdC.vbs

Filesize
398B

MD5
bd95cdea8e757f6d5d6d0accd42844bd

SHA1
7785e8dce62a4532f2723a87896ae0b04f0684da

SHA256
34ee7225aa0f355e6d1cfe6dafba963be1a12039a972366bf9c8df10f9fd7283

SHA512
5201a90237ea5752c128629128d0f1d550a138854b529fba9a85879e5c6b5f9051b79af83dfa0686862ee3b82110c017b1edf96a780e80dcbb5ae46845f548be

Download Submit
memory/1576-0-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

Filesize
4KB

Download
memory/1576-1-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/1576-2-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/1576-16-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/4752-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4752-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4752-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4752-7-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/4752-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4752-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

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