darkcomet | 3cbc9b41401095ccc877ec866f387876a25d0ccf3ea3659aedce7c7ffa3c95ad

Analysis

max time kernel
104s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
24/03/2025, 06:27

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General

Target

JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe
Size

1.2MB
MD5

886d2ab795acf2e409ada4ddad9afcd8
SHA1

3048dd563a1cc0db500a83ddd7f22408f829ae9f
SHA256

3cbc9b41401095ccc877ec866f387876a25d0ccf3ea3659aedce7c7ffa3c95ad
SHA512

cd16000642d43a905ee11bc910191059d705d296722b67795ac29e372931d73766d0e6a573b27e6414cc58e916ec6bbed51022d354ee8772fd11a8d72b93d401
SSDEEP

12288:6i+f6X7fq6LEXuaAPYchSmOyYJFUS61xbnnI5fCKPMVnGRsEV8W3Vb1Qz+XAkGpM:v+fw7SrnUv/T4a6MzBkoX9c9F

Score

10^/10

darkcomet hf defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

aimbot.no-ip.org:1604

127.0.0.1:1604

192.168.1.110:1604

Mutex

DC_MUTEX-CCKCWAR

Attributes

InstallPath
java32\java.exe
gencode
XSQRPAVCy1NH
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

rc4.plain

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\java32\\java.exe"	vbc.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4832	attrib.exe
4860	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
4772	java.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\java32\\java.exe"	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RobloxHackedBrowser = "C:\\Users\\Admin\\AppData\\Roaming\\RobloxHackedBrowser.exe"	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\java32\java.exe	vbc.exe
File opened for modification	C:\Windows\SysWOW64\java32\java.exe	vbc.exe
File opened for modification	C:\Windows\SysWOW64\java32\	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5312 set thread context of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87

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

System Location Discovery: System Language Discovery 1 TTPs 7 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	vbc.exe
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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	java.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5236	vbc.exe
Token: SeSecurityPrivilege	5236	vbc.exe
Token: SeTakeOwnershipPrivilege	5236	vbc.exe
Token: SeLoadDriverPrivilege	5236	vbc.exe
Token: SeSystemProfilePrivilege	5236	vbc.exe
Token: SeSystemtimePrivilege	5236	vbc.exe
Token: SeProfSingleProcessPrivilege	5236	vbc.exe
Token: SeIncBasePriorityPrivilege	5236	vbc.exe
Token: SeCreatePagefilePrivilege	5236	vbc.exe
Token: SeBackupPrivilege	5236	vbc.exe
Token: SeRestorePrivilege	5236	vbc.exe
Token: SeShutdownPrivilege	5236	vbc.exe
Token: SeDebugPrivilege	5236	vbc.exe
Token: SeSystemEnvironmentPrivilege	5236	vbc.exe
Token: SeChangeNotifyPrivilege	5236	vbc.exe
Token: SeRemoteShutdownPrivilege	5236	vbc.exe
Token: SeUndockPrivilege	5236	vbc.exe
Token: SeManageVolumePrivilege	5236	vbc.exe
Token: SeImpersonatePrivilege	5236	vbc.exe
Token: SeCreateGlobalPrivilege	5236	vbc.exe
Token: 33	5236	vbc.exe
Token: 34	5236	vbc.exe
Token: 35	5236	vbc.exe
Token: 36	5236	vbc.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5312 wrote to memory of 5236	5312	JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe	87
PID 5236 wrote to memory of 4472	5236	vbc.exe	96
PID 5236 wrote to memory of 4472	5236	vbc.exe	96
PID 5236 wrote to memory of 4472	5236	vbc.exe	96
PID 5236 wrote to memory of 4520	5236	vbc.exe	98
PID 5236 wrote to memory of 4520	5236	vbc.exe	98
PID 5236 wrote to memory of 4520	5236	vbc.exe	98
PID 5236 wrote to memory of 4772	5236	vbc.exe	100
PID 5236 wrote to memory of 4772	5236	vbc.exe	100
PID 5236 wrote to memory of 4772	5236	vbc.exe	100
PID 4472 wrote to memory of 4832	4472	cmd.exe	102
PID 4472 wrote to memory of 4832	4472	cmd.exe	102
PID 4472 wrote to memory of 4832	4472	cmd.exe	102
PID 4520 wrote to memory of 4860	4520	cmd.exe	103
PID 4520 wrote to memory of 4860	4520	cmd.exe	103
PID 4520 wrote to memory of 4860	4520	cmd.exe	103

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4832	attrib.exe
4860	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_886d2ab795acf2e409ada4ddad9afcd8.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5312
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - Modifies WinLogon for persistence
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5236
- - 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:4472
  - - 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:4832
- - 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:4520
  - - 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:4860
- - C:\Windows\SysWOW64\java32\java.exe
    "C:\Windows\system32\java32\java.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4772

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\java32\java.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/5236-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5236-5-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5236-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5236-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5236-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5236-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5312-0-0x0000000075052000-0x0000000075053000-memory.dmp

Filesize
4KB

Download
memory/5312-1-0x0000000075050000-0x0000000075601000-memory.dmp

Filesize
5.7MB

Download
memory/5312-2-0x0000000075050000-0x0000000075601000-memory.dmp

Filesize
5.7MB

Download
memory/5312-8-0x0000000075050000-0x0000000075601000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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