darkcomet | 86f1f83f6e3e1170d2f67668d8332713f8ffe947ddc7d93113ac51a6f8dafd49

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 23:01

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General

Target

JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Size

331KB
MD5

68bf14b59350493cb87ec3d59b2ff92e
SHA1

ee8898509e88c38913fc23dcc2281f09a7b0caca
SHA256

86f1f83f6e3e1170d2f67668d8332713f8ffe947ddc7d93113ac51a6f8dafd49
SHA512

59d7c33ea5bbc27a0486714c407922507e13b38589dbc48d4c849601cbe46da05f9de0232714f20dee4f9cd4f433e227ad58b576c8bf62ae141cc9cdee221b75
SSDEEP

6144:/2250RPFBx/dItAVV9c9CoiwFZi+nNecYR5FozxMtvO1kLVPSiDIdGU+:/qvP1SC8ZdccYR5FHLm4

Score

10^/10

darkcomet latentbot aspackv2 discovery persistence rat trojan

Malware Config

Extracted

Family

latentbot

cyberchaouki.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot
Latentbot family
latentbot

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\\Windupdt\\winupdate.exe"	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000c000000023b2c-5.dat	aspack_v212_v242

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe

Executes dropped EXE 1 IoCs

pid	Process
640	winupdate.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\Windupdt\\winupdate.exe"	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Windupdt\winupdate.exe	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
File opened for modification	C:\Windows\Windupdt\winupdate.exe	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
File opened for modification	C:\Windows\Windupdt\	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.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 4 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	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
976	cmd.exe
2544	PING.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2544	PING.EXE

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeSecurityPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeTakeOwnershipPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeLoadDriverPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeSystemProfilePrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeSystemtimePrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeProfSingleProcessPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeIncBasePriorityPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeCreatePagefilePrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeBackupPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeRestorePrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeShutdownPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeDebugPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeSystemEnvironmentPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeChangeNotifyPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeRemoteShutdownPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeUndockPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeManageVolumePrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeImpersonatePrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeCreateGlobalPrivilege	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: 33	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: 34	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: 35	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: 36	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
Token: SeIncreaseQuotaPrivilege	640	winupdate.exe
Token: SeSecurityPrivilege	640	winupdate.exe
Token: SeTakeOwnershipPrivilege	640	winupdate.exe
Token: SeLoadDriverPrivilege	640	winupdate.exe
Token: SeSystemProfilePrivilege	640	winupdate.exe
Token: SeSystemtimePrivilege	640	winupdate.exe
Token: SeProfSingleProcessPrivilege	640	winupdate.exe
Token: SeIncBasePriorityPrivilege	640	winupdate.exe
Token: SeCreatePagefilePrivilege	640	winupdate.exe
Token: SeBackupPrivilege	640	winupdate.exe
Token: SeRestorePrivilege	640	winupdate.exe
Token: SeShutdownPrivilege	640	winupdate.exe
Token: SeDebugPrivilege	640	winupdate.exe
Token: SeSystemEnvironmentPrivilege	640	winupdate.exe
Token: SeChangeNotifyPrivilege	640	winupdate.exe
Token: SeRemoteShutdownPrivilege	640	winupdate.exe
Token: SeUndockPrivilege	640	winupdate.exe
Token: SeManageVolumePrivilege	640	winupdate.exe
Token: SeImpersonatePrivilege	640	winupdate.exe
Token: SeCreateGlobalPrivilege	640	winupdate.exe
Token: 33	640	winupdate.exe
Token: 34	640	winupdate.exe
Token: 35	640	winupdate.exe
Token: 36	640	winupdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
640	winupdate.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 416 wrote to memory of 640	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe	81
PID 416 wrote to memory of 640	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe	81
PID 416 wrote to memory of 640	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe	81
PID 416 wrote to memory of 976	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe	82
PID 416 wrote to memory of 976	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe	82
PID 416 wrote to memory of 976	416	JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe	82
PID 976 wrote to memory of 2544	976	cmd.exe	84
PID 976 wrote to memory of 2544	976	cmd.exe	84
PID 976 wrote to memory of 2544	976	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68bf14b59350493cb87ec3d59b2ff92e.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:416
- C:\Windows\Windupdt\winupdate.exe
  "C:\Windows\Windupdt\winupdate.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:640
- 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_68bf14b59350493cb87ec3d59b2ff92e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:976
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 5
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2544

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

Query Registry

T1012

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:\Windows\Windupdt\winupdate.exe

Filesize
331KB

MD5
68bf14b59350493cb87ec3d59b2ff92e

SHA1
ee8898509e88c38913fc23dcc2281f09a7b0caca

SHA256
86f1f83f6e3e1170d2f67668d8332713f8ffe947ddc7d93113ac51a6f8dafd49

SHA512
59d7c33ea5bbc27a0486714c407922507e13b38589dbc48d4c849601cbe46da05f9de0232714f20dee4f9cd4f433e227ad58b576c8bf62ae141cc9cdee221b75

Download Submit
memory/416-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/416-34-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-40-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-42-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-37-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-38-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-39-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-35-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/640-41-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-36-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-43-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-44-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-45-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-46-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-47-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-48-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/640-49-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads