darkcomet | a3a8bf9a082e1825db80e7df1e6aebf289328cd4bcbd719f8d6da6b9686a6883

Analysis

max time kernel
109s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/02/2025, 23:29

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General

Target

JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Size

854KB
MD5

bc9a5b89f91f37a2d2a605c98745eb07
SHA1

7f6894fad9ab377dca25e44607ea23451384e7b0
SHA256

a3a8bf9a082e1825db80e7df1e6aebf289328cd4bcbd719f8d6da6b9686a6883
SHA512

232c9f81e90aa6ceac059391056160520229af60a703a2fa830e524645fa09d14fc632d8916adfa352f3209f5a7a70a7a05f8f1d12e3bfe01061d3f4877a4c55
SSDEEP

12288:lrrPfHyTJIoVzp5B+C35gTqqzXcJYN45iqLSnX+vIdBd1NXvrqvtg0O9B4M9DJ:l/4WgwoC/sJo45iq+yIZ1NfeVg0gBl

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

kaank11.zapto.org:15963

Mutex

DC_MUTEX-B22UUWY

Attributes

InstallPath
Windupdt\JavaSun.exe
gencode
x-tEbBWdArpJ
install
true
offline_keylogger
true
persistence
false
reg_key
JavaSun

rc4.plain

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

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:\\Windupdt\\JavaSun.exe"	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe

Deletes itself 1 IoCs

pid	Process
2540	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2720	JavaSun.exe
2668	JavaSun.exe

Loads dropped DLL 3 IoCs

pid	Process
2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
2720	JavaSun.exe

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\JavaSun = "C:\\Windupdt\\JavaSun.exe"	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2092 set thread context of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2720 set thread context of 2668	2720	JavaSun.exe	33

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 6 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	JavaSun.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JavaSun.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2540	cmd.exe
1096	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1096	PING.EXE

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeSecurityPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeTakeOwnershipPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeLoadDriverPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeSystemProfilePrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeSystemtimePrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeProfSingleProcessPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeIncBasePriorityPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeCreatePagefilePrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeBackupPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeRestorePrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeShutdownPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeDebugPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeSystemEnvironmentPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeChangeNotifyPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeRemoteShutdownPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeUndockPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeManageVolumePrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeImpersonatePrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeCreateGlobalPrivilege	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: 33	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: 34	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: 35	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
Token: SeIncreaseQuotaPrivilege	2668	JavaSun.exe
Token: SeSecurityPrivilege	2668	JavaSun.exe
Token: SeTakeOwnershipPrivilege	2668	JavaSun.exe
Token: SeLoadDriverPrivilege	2668	JavaSun.exe
Token: SeSystemProfilePrivilege	2668	JavaSun.exe
Token: SeSystemtimePrivilege	2668	JavaSun.exe
Token: SeProfSingleProcessPrivilege	2668	JavaSun.exe
Token: SeIncBasePriorityPrivilege	2668	JavaSun.exe
Token: SeCreatePagefilePrivilege	2668	JavaSun.exe
Token: SeBackupPrivilege	2668	JavaSun.exe
Token: SeRestorePrivilege	2668	JavaSun.exe
Token: SeShutdownPrivilege	2668	JavaSun.exe
Token: SeDebugPrivilege	2668	JavaSun.exe
Token: SeSystemEnvironmentPrivilege	2668	JavaSun.exe
Token: SeChangeNotifyPrivilege	2668	JavaSun.exe
Token: SeRemoteShutdownPrivilege	2668	JavaSun.exe
Token: SeUndockPrivilege	2668	JavaSun.exe
Token: SeManageVolumePrivilege	2668	JavaSun.exe
Token: SeImpersonatePrivilege	2668	JavaSun.exe
Token: SeCreateGlobalPrivilege	2668	JavaSun.exe
Token: 33	2668	JavaSun.exe
Token: 34	2668	JavaSun.exe
Token: 35	2668	JavaSun.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
2720	JavaSun.exe
2720	JavaSun.exe
2668	JavaSun.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2092 wrote to memory of 2796	2092	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	30
PID 2796 wrote to memory of 2720	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	31
PID 2796 wrote to memory of 2720	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	31
PID 2796 wrote to memory of 2720	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	31
PID 2796 wrote to memory of 2720	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	31
PID 2796 wrote to memory of 2540	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	32
PID 2796 wrote to memory of 2540	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	32
PID 2796 wrote to memory of 2540	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	32
PID 2796 wrote to memory of 2540	2796	JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe	32
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2720 wrote to memory of 2668	2720	JavaSun.exe	33
PID 2540 wrote to memory of 1096	2540	cmd.exe	35
PID 2540 wrote to memory of 1096	2540	cmd.exe	35
PID 2540 wrote to memory of 1096	2540	cmd.exe	35
PID 2540 wrote to memory of 1096	2540	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windupdt\JavaSun.exe
    "C:\Windupdt\JavaSun.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2720
  - - C:\Windupdt\JavaSun.exe
      "C:\Windupdt\JavaSun.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2668
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc9a5b89f91f37a2d2a605c98745eb07.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2540
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 5
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3063565911-2056067323-3330884624-1000\699c4b9cdebca7aaea5193cae8a50098_de87a6d6-9d44-4942-9ec6-2be31b435411

Filesize
50B

MD5
5b63d4dd8c04c88c0e30e494ec6a609a

SHA1
884d5a8bdc25fe794dc22ef9518009dcf0069d09

SHA256
4d93c22555b3169e5c13716ca59b8b22892c69b3025aea841afe5259698102fd

SHA512
15ff8551ac6b9de978050569bcdc26f44dfc06a0eaf445ac70fd45453a21bdafa3e4c8b4857d6a1c3226f4102a639682bdfb71d7b255062fb81a51c9126896cb

Download Submit
\Windupdt\JavaSun.exe

Filesize
854KB

MD5
bc9a5b89f91f37a2d2a605c98745eb07

SHA1
7f6894fad9ab377dca25e44607ea23451384e7b0

SHA256
a3a8bf9a082e1825db80e7df1e6aebf289328cd4bcbd719f8d6da6b9686a6883

SHA512
232c9f81e90aa6ceac059391056160520229af60a703a2fa830e524645fa09d14fc632d8916adfa352f3209f5a7a70a7a05f8f1d12e3bfe01061d3f4877a4c55

Download Submit
memory/2092-25-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2092-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2668-77-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-79-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-88-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-87-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-86-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-85-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-84-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-83-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-82-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-81-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-80-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-74-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-78-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-76-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-75-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-73-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-72-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-71-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-70-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2668-69-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2720-67-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2720-45-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2796-28-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-61-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-44-0x0000000003840000-0x000000000388B000-memory.dmp

Filesize
300KB

Download
memory/2796-43-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-26-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-47-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-23-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-4-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-29-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-6-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-27-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-8-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-10-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-12-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-14-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-16-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-19-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2796-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-22-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads