darkcomet | fb20b2b94b2f3ef8fd3c713ec4c633ef697381188fdb00fe4533d3c545496963

Analysis

max time kernel
150s
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
15-10-2024 22:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Size

694KB
MD5

4a40170b0214ab9415cd82ddc9dfc769
SHA1

516c757a1cc38530dae538173cb206235b7ac57e
SHA256

fb20b2b94b2f3ef8fd3c713ec4c633ef697381188fdb00fe4533d3c545496963
SHA512

50b9801c25345dee0a45a417ad0ce877447cf055fce77e2205e5d0e2bbfcb35d8a6c00a940ca196159b9b47ec741979d4ead9e2bd7ab9cc2887f1e9a4ccb7cd8
SSDEEP

12288:S3OpvNW4a76S/Ddon/m09bbYlIaaMcE2YGhq3vo1RnfAvIESJgoE26yc/Rzl:cOA4aWNn/m09fKIaaBEtWq3A1Ov8JgbX

Score

10^/10

darkcomet guest16 discovery evasion rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

tubzservice.no-ip.biz:1604

Mutex

DC_MUTEX-GP5YWS6

Attributes

gencode
CmxqoBVSXlJL
install
false
offline_keylogger
true
persistence
false

Signatures

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

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe

Disables Task Manager via registry modification
evasion

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

Processes:

attrib.exeattrib.exe

pid	Process
840	attrib.exe
532	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

Processes:

4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.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 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

Processes:

cmd.execmd.exeattrib.exeattrib.exe4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exenotepad.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe

pid	Process
1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeSecurityPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeBackupPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeRestorePrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeShutdownPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeDebugPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeUndockPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: 33	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: 34	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: 35	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
Token: 36	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe

pid	Process
1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.execmd.execmd.exe

description	pid	Process	procid_target
PID 1940 wrote to memory of 1748	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	85
PID 1940 wrote to memory of 1748	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	85
PID 1940 wrote to memory of 1748	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	85
PID 1940 wrote to memory of 3492	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	87
PID 1940 wrote to memory of 3492	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	87
PID 1940 wrote to memory of 3492	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	87
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1940 wrote to memory of 2732	1940	4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe	88
PID 1748 wrote to memory of 840	1748	cmd.exe	90
PID 1748 wrote to memory of 840	1748	cmd.exe	90
PID 1748 wrote to memory of 840	1748	cmd.exe	90
PID 3492 wrote to memory of 532	3492	cmd.exe	91
PID 3492 wrote to memory of 532	3492	cmd.exe	91
PID 3492 wrote to memory of 532	3492	cmd.exe	91

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
532	attrib.exe
840	attrib.exe

C:\Users\Admin\AppData\Local\Temp\4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Disables RegEdit via registry modification
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\4a40170b0214ab9415cd82ddc9dfc769_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:840
- 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:3492
- - 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:532
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1940-8-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-4-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-0-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/1940-3-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-9-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-5-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-6-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-10-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-2-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/1940-16-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-7-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-11-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-12-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-13-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-14-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1940-15-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2732-1-0x0000000000C20000-0x0000000000C21000-memory.dmp

Filesize
4KB

Download