darkcomet | 80e3e57fb6aada9da17a4474b3a871e61ceb24053ce295405912498af6cf75f4

Analysis

max time kernel
94s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 15:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe
Size

729KB
MD5

7a803f896396793f1c310e37ccd75830
SHA1

eff35c28bb048731602355687d71b8b09ca9fa11
SHA256

80e3e57fb6aada9da17a4474b3a871e61ceb24053ce295405912498af6cf75f4
SHA512

e94700e5635248cad7a79b9a8032b68df1b0d60e970fd8b901f2be0616777a66d41e6d81d65405e8d5d823a8dd1155bfc9bb8224bfc0539b9bcc54d1a2e2c83d
SSDEEP

12288:D2vRcIdCtImmDcwvxPnHnuKMM1SSqkV+MrEljp1KAGJpx:iZZCIDvxPHnvX1A/M4Zp1Gj

Score

10^/10

darkcomet ab rio int discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

AB Rio INT

facebookmsg.no-ip.org:666

Mutex

DC_MUTEX-ZNC3EV6

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
0HzX5u7cZVK1
install
true
offline_keylogger
true
password
SUN123
persistence
true
reg_key
MicroUpdate

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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	vbc.exe

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
2960	attrib.exe
388	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
1220	msdcsc.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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\msconfig = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\System\\Services\\msconfig.exe"	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4780 set thread context of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82

Drops file in Windows directory 2 IoCs

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

System Location Discovery: System Language Discovery 1 TTPs 8 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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.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\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	vbc.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe
4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe
4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe
4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe
4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe
4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe
4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe
Token: SeIncreaseQuotaPrivilege	184	vbc.exe
Token: SeSecurityPrivilege	184	vbc.exe
Token: SeTakeOwnershipPrivilege	184	vbc.exe
Token: SeLoadDriverPrivilege	184	vbc.exe
Token: SeSystemProfilePrivilege	184	vbc.exe
Token: SeSystemtimePrivilege	184	vbc.exe
Token: SeProfSingleProcessPrivilege	184	vbc.exe
Token: SeIncBasePriorityPrivilege	184	vbc.exe
Token: SeCreatePagefilePrivilege	184	vbc.exe
Token: SeBackupPrivilege	184	vbc.exe
Token: SeRestorePrivilege	184	vbc.exe
Token: SeShutdownPrivilege	184	vbc.exe
Token: SeDebugPrivilege	184	vbc.exe
Token: SeSystemEnvironmentPrivilege	184	vbc.exe
Token: SeChangeNotifyPrivilege	184	vbc.exe
Token: SeRemoteShutdownPrivilege	184	vbc.exe
Token: SeUndockPrivilege	184	vbc.exe
Token: SeManageVolumePrivilege	184	vbc.exe
Token: SeImpersonatePrivilege	184	vbc.exe
Token: SeCreateGlobalPrivilege	184	vbc.exe
Token: 33	184	vbc.exe
Token: 34	184	vbc.exe
Token: 35	184	vbc.exe
Token: 36	184	vbc.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 4780 wrote to memory of 184	4780	JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe	82
PID 184 wrote to memory of 4120	184	vbc.exe	83
PID 184 wrote to memory of 4120	184	vbc.exe	83
PID 184 wrote to memory of 4120	184	vbc.exe	83
PID 184 wrote to memory of 2060	184	vbc.exe	85
PID 184 wrote to memory of 2060	184	vbc.exe	85
PID 184 wrote to memory of 2060	184	vbc.exe	85
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 184 wrote to memory of 5000	184	vbc.exe	86
PID 4120 wrote to memory of 2960	4120	cmd.exe	88
PID 4120 wrote to memory of 2960	4120	cmd.exe	88
PID 4120 wrote to memory of 2960	4120	cmd.exe	88
PID 2060 wrote to memory of 388	2060	cmd.exe	89
PID 2060 wrote to memory of 388	2060	cmd.exe	89
PID 2060 wrote to memory of 388	2060	cmd.exe	89
PID 184 wrote to memory of 1220	184	vbc.exe	90
PID 184 wrote to memory of 1220	184	vbc.exe	90
PID 184 wrote to memory of 1220	184	vbc.exe	90

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2960	attrib.exe
388	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a803f896396793f1c310e37ccd75830.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4780
- 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
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:184
- - 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:4120
  - - 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:2960
- - 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:2060
  - - 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:388
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5000
- - C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
    "C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1220

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/184-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/184-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/184-5-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/184-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/184-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/184-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4780-0-0x0000000074C72000-0x0000000074C73000-memory.dmp

Filesize
4KB

Download
memory/4780-1-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4780-2-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4780-13-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/5000-14-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

Filesize
4KB

Download