darkcomet | 34920711b11dfc1e8a9b3cfc40cf8ffbb91b139d60823401165343cb35614016

Analysis

max time kernel
300s
max time network
207s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-12-2024 20:10

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General

Target

Zeus.exe
Size

673KB
MD5

e162593184c10a4b93feed411a613d41
SHA1

9579c418e1bb687bdff0022a5cd7be3f3a2340e8
SHA256

34920711b11dfc1e8a9b3cfc40cf8ffbb91b139d60823401165343cb35614016
SHA512

2817c7f6cf9d49e04c435bcb67640889b179378701be774f995d6e9cf438c913b5854f5d7006f09a7b29432b5d1a2f737701e552bfa712960b61e44a8f9a5b75
SSDEEP

12288:m9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hWvT:CZ1xuVVjfFoynPaVBUR8f+kN10EBEvT

Score

10^/10

darkcomet ýndiren discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Ýndiren

127.0.0.1:1604

Mutex

DC_MUTEX-A5N8RE3

Attributes

InstallPath
Windows gezgini\explorer.exe
gencode
AiHvCRNYn7du
install
true
offline_keylogger
true
persistence
true
reg_key
System

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\\Windows gezgini\\explorer.exe"	Zeus.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
4736	attrib.exe
4504	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	Zeus.exe

Executes dropped EXE 1 IoCs

pid	Process
3880	explorer.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\Windows gezgini\\explorer.exe"	Zeus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\Windows gezgini\\explorer.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\Windows gezgini\\explorer.exe"	iexplore.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Windows gezgini\	Zeus.exe
File created	C:\Windows\SysWOW64\Windows gezgini\explorer.exe	Zeus.exe
File opened for modification	C:\Windows\SysWOW64\Windows gezgini\explorer.exe	Zeus.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3880 set thread context of 3404	3880	explorer.exe	89

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 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Zeus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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\	Zeus.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1804	Zeus.exe
Token: SeSecurityPrivilege	1804	Zeus.exe
Token: SeTakeOwnershipPrivilege	1804	Zeus.exe
Token: SeLoadDriverPrivilege	1804	Zeus.exe
Token: SeSystemProfilePrivilege	1804	Zeus.exe
Token: SeSystemtimePrivilege	1804	Zeus.exe
Token: SeProfSingleProcessPrivilege	1804	Zeus.exe
Token: SeIncBasePriorityPrivilege	1804	Zeus.exe
Token: SeCreatePagefilePrivilege	1804	Zeus.exe
Token: SeBackupPrivilege	1804	Zeus.exe
Token: SeRestorePrivilege	1804	Zeus.exe
Token: SeShutdownPrivilege	1804	Zeus.exe
Token: SeDebugPrivilege	1804	Zeus.exe
Token: SeSystemEnvironmentPrivilege	1804	Zeus.exe
Token: SeChangeNotifyPrivilege	1804	Zeus.exe
Token: SeRemoteShutdownPrivilege	1804	Zeus.exe
Token: SeUndockPrivilege	1804	Zeus.exe
Token: SeManageVolumePrivilege	1804	Zeus.exe
Token: SeImpersonatePrivilege	1804	Zeus.exe
Token: SeCreateGlobalPrivilege	1804	Zeus.exe
Token: 33	1804	Zeus.exe
Token: 34	1804	Zeus.exe
Token: 35	1804	Zeus.exe
Token: 36	1804	Zeus.exe
Token: SeIncreaseQuotaPrivilege	3880	explorer.exe
Token: SeSecurityPrivilege	3880	explorer.exe
Token: SeTakeOwnershipPrivilege	3880	explorer.exe
Token: SeLoadDriverPrivilege	3880	explorer.exe
Token: SeSystemProfilePrivilege	3880	explorer.exe
Token: SeSystemtimePrivilege	3880	explorer.exe
Token: SeProfSingleProcessPrivilege	3880	explorer.exe
Token: SeIncBasePriorityPrivilege	3880	explorer.exe
Token: SeCreatePagefilePrivilege	3880	explorer.exe
Token: SeBackupPrivilege	3880	explorer.exe
Token: SeRestorePrivilege	3880	explorer.exe
Token: SeShutdownPrivilege	3880	explorer.exe
Token: SeDebugPrivilege	3880	explorer.exe
Token: SeSystemEnvironmentPrivilege	3880	explorer.exe
Token: SeChangeNotifyPrivilege	3880	explorer.exe
Token: SeRemoteShutdownPrivilege	3880	explorer.exe
Token: SeUndockPrivilege	3880	explorer.exe
Token: SeManageVolumePrivilege	3880	explorer.exe
Token: SeImpersonatePrivilege	3880	explorer.exe
Token: SeCreateGlobalPrivilege	3880	explorer.exe
Token: 33	3880	explorer.exe
Token: 34	3880	explorer.exe
Token: 35	3880	explorer.exe
Token: 36	3880	explorer.exe
Token: SeIncreaseQuotaPrivilege	3404	iexplore.exe
Token: SeSecurityPrivilege	3404	iexplore.exe
Token: SeTakeOwnershipPrivilege	3404	iexplore.exe
Token: SeLoadDriverPrivilege	3404	iexplore.exe
Token: SeSystemProfilePrivilege	3404	iexplore.exe
Token: SeSystemtimePrivilege	3404	iexplore.exe
Token: SeProfSingleProcessPrivilege	3404	iexplore.exe
Token: SeIncBasePriorityPrivilege	3404	iexplore.exe
Token: SeCreatePagefilePrivilege	3404	iexplore.exe
Token: SeBackupPrivilege	3404	iexplore.exe
Token: SeRestorePrivilege	3404	iexplore.exe
Token: SeShutdownPrivilege	3404	iexplore.exe
Token: SeDebugPrivilege	3404	iexplore.exe
Token: SeSystemEnvironmentPrivilege	3404	iexplore.exe
Token: SeChangeNotifyPrivilege	3404	iexplore.exe
Token: SeRemoteShutdownPrivilege	3404	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3404	iexplore.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 4612	1804	Zeus.exe	82
PID 1804 wrote to memory of 4612	1804	Zeus.exe	82
PID 1804 wrote to memory of 4612	1804	Zeus.exe	82
PID 1804 wrote to memory of 4556	1804	Zeus.exe	83
PID 1804 wrote to memory of 4556	1804	Zeus.exe	83
PID 1804 wrote to memory of 4556	1804	Zeus.exe	83
PID 4612 wrote to memory of 4736	4612	cmd.exe	86
PID 4612 wrote to memory of 4736	4612	cmd.exe	86
PID 4612 wrote to memory of 4736	4612	cmd.exe	86
PID 4556 wrote to memory of 4504	4556	cmd.exe	87
PID 4556 wrote to memory of 4504	4556	cmd.exe	87
PID 4556 wrote to memory of 4504	4556	cmd.exe	87
PID 1804 wrote to memory of 3880	1804	Zeus.exe	88
PID 1804 wrote to memory of 3880	1804	Zeus.exe	88
PID 1804 wrote to memory of 3880	1804	Zeus.exe	88
PID 3880 wrote to memory of 3404	3880	explorer.exe	89
PID 3880 wrote to memory of 3404	3880	explorer.exe	89
PID 3880 wrote to memory of 3404	3880	explorer.exe	89
PID 3880 wrote to memory of 3404	3880	explorer.exe	89
PID 3880 wrote to memory of 3404	3880	explorer.exe	89
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90
PID 3404 wrote to memory of 328	3404	iexplore.exe	90

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4736	attrib.exe
4504	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Zeus.exe
"C:\Users\Admin\AppData\Local\Temp\Zeus.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\Zeus.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4612
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\Zeus.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4736
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4556
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4504
- C:\Windows\SysWOW64\Windows gezgini\explorer.exe
  "C:\Windows\system32\Windows gezgini\explorer.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3880
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3404
  - - C:\Windows\SysWOW64\notepad.exe
      notepad
      4⤵
      System Location Discovery: System Language Discovery
      PID:328

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

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:\Windows\SysWOW64\Windows gezgini\explorer.exe

Filesize
673KB

MD5
e162593184c10a4b93feed411a613d41

SHA1
9579c418e1bb687bdff0022a5cd7be3f3a2340e8

SHA256
34920711b11dfc1e8a9b3cfc40cf8ffbb91b139d60823401165343cb35614016

SHA512
2817c7f6cf9d49e04c435bcb67640889b179378701be774f995d6e9cf438c913b5854f5d7006f09a7b29432b5d1a2f737701e552bfa712960b61e44a8f9a5b75

Download Submit
memory/328-64-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/1804-0-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/1804-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3404-62-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3880-61-0x0000000002110000-0x0000000002111000-memory.dmp

Filesize
4KB

Download
memory/3880-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads