darkcomet | 916cc328fc7cbef3a566267f37145ae0a60568108c0960e93f87d7448475f69c

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2024 20:58

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General

Target

a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe
Size

721KB
MD5

a99d77243ea9f567c49d556fa4c3f916
SHA1

376ede553fa9a0ebbcf7b3855602e643e74b179c
SHA256

916cc328fc7cbef3a566267f37145ae0a60568108c0960e93f87d7448475f69c
SHA512

1bfb249850b7325cf6afe63e85134917731f5c28394b5839b394f147c0b4f7595d03e7a4d52a9180e211533d55a1d77ea6ceca0d8fb9b6b7c4eddca80b751e23
SSDEEP

12288:1egRJeugJm952LBXcru+kLbUbHNLWt3Jpgbp5xKMqVcru+4:1e3uggaL6yXMMp45VqVcru+

Score

10^/10

darkcomet guest16 discovery evasion rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

ratratrat.no-ip.biz:1604

Mutex

DC_MUTEX-YZZA1V9

Attributes

gencode
kNwFWVc6WGww
install
false
offline_keylogger
true
password
0123456789
persistence
false

Signatures

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

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
4796	attrib.exe
5100	attrib.exe

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2808 set thread context of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft.NET\Framework\v2.0.50727	attrib.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe	attrib.exe

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 9 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3168	REG.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3256	vbc.exe
Token: SeSecurityPrivilege	3256	vbc.exe
Token: SeTakeOwnershipPrivilege	3256	vbc.exe
Token: SeLoadDriverPrivilege	3256	vbc.exe
Token: SeSystemProfilePrivilege	3256	vbc.exe
Token: SeSystemtimePrivilege	3256	vbc.exe
Token: SeProfSingleProcessPrivilege	3256	vbc.exe
Token: SeIncBasePriorityPrivilege	3256	vbc.exe
Token: SeCreatePagefilePrivilege	3256	vbc.exe
Token: SeBackupPrivilege	3256	vbc.exe
Token: SeRestorePrivilege	3256	vbc.exe
Token: SeShutdownPrivilege	3256	vbc.exe
Token: SeDebugPrivilege	3256	vbc.exe
Token: SeSystemEnvironmentPrivilege	3256	vbc.exe
Token: SeChangeNotifyPrivilege	3256	vbc.exe
Token: SeRemoteShutdownPrivilege	3256	vbc.exe
Token: SeUndockPrivilege	3256	vbc.exe
Token: SeManageVolumePrivilege	3256	vbc.exe
Token: SeImpersonatePrivilege	3256	vbc.exe
Token: SeCreateGlobalPrivilege	3256	vbc.exe
Token: 33	3256	vbc.exe
Token: 34	3256	vbc.exe
Token: 35	3256	vbc.exe
Token: 36	3256	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3256	vbc.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 3256	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	89
PID 2808 wrote to memory of 4204	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	92
PID 2808 wrote to memory of 4204	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	92
PID 2808 wrote to memory of 4204	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	92
PID 2808 wrote to memory of 3168	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	93
PID 2808 wrote to memory of 3168	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	93
PID 2808 wrote to memory of 3168	2808	a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe	93
PID 3256 wrote to memory of 2456	3256	vbc.exe	101
PID 3256 wrote to memory of 2456	3256	vbc.exe	101
PID 3256 wrote to memory of 2456	3256	vbc.exe	101
PID 3256 wrote to memory of 1744	3256	vbc.exe	102
PID 3256 wrote to memory of 1744	3256	vbc.exe	102
PID 3256 wrote to memory of 1744	3256	vbc.exe	102
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 3256 wrote to memory of 4760	3256	vbc.exe	104
PID 1744 wrote to memory of 4796	1744	cmd.exe	106
PID 1744 wrote to memory of 4796	1744	cmd.exe	106
PID 1744 wrote to memory of 4796	1744	cmd.exe	106
PID 2456 wrote to memory of 5100	2456	cmd.exe	107
PID 2456 wrote to memory of 5100	2456	cmd.exe	107
PID 2456 wrote to memory of 5100	2456	cmd.exe	107

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4796	attrib.exe
5100	attrib.exe

C:\Users\Admin\AppData\Local\Temp\a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a99d77243ea9f567c49d556fa4c3f916_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3256
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2456
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" +s +h
      4⤵
      Sets file to hidden
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:5100
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1744
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727" +s +h
      4⤵
      Sets file to hidden
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:4796
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4760
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\BSEVq.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4204
- 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:3168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\BSEVq.vbs

Filesize
420B

MD5
a0ccf948c612d8d6d2cc254fa53db105

SHA1
97f9463b64c581e1b6fa03a6503e6514a0da0f6c

SHA256
42d8fdd3f5d8d6e54545817e7c28b9a221d27f46cfbc43540b5d318eb11f9eb7

SHA512
acf1466798a03a4ee8817ce20c37ed28f2496b8b838e964ba0dfcab91b510d415700dcd0a5110662e5fb2a24f2d4dfd57712478b6f123f0651886419fb7ea680

Download Submit
memory/2808-9-0x0000000074930000-0x0000000074EE1000-memory.dmp

Filesize
5.7MB

Download
memory/2808-1-0x0000000074930000-0x0000000074EE1000-memory.dmp

Filesize
5.7MB

Download
memory/2808-2-0x0000000074930000-0x0000000074EE1000-memory.dmp

Filesize
5.7MB

Download
memory/2808-3-0x0000000074930000-0x0000000074EE1000-memory.dmp

Filesize
5.7MB

Download
memory/2808-0-0x0000000074932000-0x0000000074933000-memory.dmp

Filesize
4KB

Download
memory/2808-18-0x0000000074930000-0x0000000074EE1000-memory.dmp

Filesize
5.7MB

Download
memory/2808-8-0x0000000074932000-0x0000000074933000-memory.dmp

Filesize
4KB

Download
memory/3256-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-11-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-7-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-6-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-37-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-21-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-4-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-24-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-26-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-27-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-28-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-29-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-30-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-31-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-33-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-34-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-35-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3256-36-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4760-19-0x0000000000510000-0x0000000000511000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads