darkcomet | 026c7c0e6ab52292fc5f4f75c78737943ecc58df497b19d2de8756b468ca1b66

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
21/03/2025, 12:58

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General

Target

JaffaCakes118_8351bf08900b42321b4af3ffb1ef98a0.exe
Size

691KB
MD5

8351bf08900b42321b4af3ffb1ef98a0
SHA1

acb02fd072bd8859d75ffbaef1730dae59d79d30
SHA256

026c7c0e6ab52292fc5f4f75c78737943ecc58df497b19d2de8756b468ca1b66
SHA512

2daf95f1e9bb05f25a7e99610219c3514069e7ba71133a5f5fac6ad567f1ef68476601b4f9e486ad83fc6ca3669eebd326a6a0b04c9a4efacffb7f4236b263f4
SSDEEP

12288:VzyInpIJAYJPwTcwySyiCXeUs8IwJJ3Scvfsi0ZSRq/LT+3:VzyInpqD5TiV9C0i0ZXLO

Score

10^/10

darkcomet guest16 defense_evasion discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

127.0.0.1:1604

Mutex

DC_MUTEX-F54S21D

Attributes

gencode
DbeN40ElF3Qt
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 firewall policy service 3 TTPs 6 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

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

Modifies security service 2 TTPs 2 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	sid.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	explorer.exe

Windows security bypass 2 TTPs 4 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sid.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sid.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	explorer.exe

Disables RegEdit via registry modification 2 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	sid.exe

Disables Task Manager via registry modification
defense_evasion

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	sid.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.exe

Executes dropped EXE 1 IoCs

pid	Process
2232	sid.exe

Loads dropped DLL 2 IoCs

pid	Process
2872	JaffaCakes118_8351bf08900b42321b4af3ffb1ef98a0.exe
2872	JaffaCakes118_8351bf08900b42321b4af3ffb1ef98a0.exe

Windows security modification 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sid.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sid.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 1708	2232	sid.exe	30

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	sid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8351bf08900b42321b4af3ffb1ef98a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	sid.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	sid.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	sid.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	sid.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	explorer.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	sid.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2232	sid.exe
Token: SeSecurityPrivilege	2232	sid.exe
Token: SeTakeOwnershipPrivilege	2232	sid.exe
Token: SeLoadDriverPrivilege	2232	sid.exe
Token: SeSystemProfilePrivilege	2232	sid.exe
Token: SeSystemtimePrivilege	2232	sid.exe
Token: SeProfSingleProcessPrivilege	2232	sid.exe
Token: SeIncBasePriorityPrivilege	2232	sid.exe
Token: SeCreatePagefilePrivilege	2232	sid.exe
Token: SeBackupPrivilege	2232	sid.exe
Token: SeRestorePrivilege	2232	sid.exe
Token: SeShutdownPrivilege	2232	sid.exe
Token: SeDebugPrivilege	2232	sid.exe
Token: SeSystemEnvironmentPrivilege	2232	sid.exe
Token: SeChangeNotifyPrivilege	2232	sid.exe
Token: SeRemoteShutdownPrivilege	2232	sid.exe
Token: SeUndockPrivilege	2232	sid.exe
Token: SeManageVolumePrivilege	2232	sid.exe
Token: SeImpersonatePrivilege	2232	sid.exe
Token: SeCreateGlobalPrivilege	2232	sid.exe
Token: 33	2232	sid.exe
Token: 34	2232	sid.exe
Token: 35	2232	sid.exe
Token: SeIncreaseQuotaPrivilege	1708	explorer.exe
Token: SeSecurityPrivilege	1708	explorer.exe
Token: SeTakeOwnershipPrivilege	1708	explorer.exe
Token: SeLoadDriverPrivilege	1708	explorer.exe
Token: SeSystemProfilePrivilege	1708	explorer.exe
Token: SeSystemtimePrivilege	1708	explorer.exe
Token: SeProfSingleProcessPrivilege	1708	explorer.exe
Token: SeIncBasePriorityPrivilege	1708	explorer.exe
Token: SeCreatePagefilePrivilege	1708	explorer.exe
Token: SeBackupPrivilege	1708	explorer.exe
Token: SeRestorePrivilege	1708	explorer.exe
Token: SeShutdownPrivilege	1708	explorer.exe
Token: SeDebugPrivilege	1708	explorer.exe
Token: SeSystemEnvironmentPrivilege	1708	explorer.exe
Token: SeChangeNotifyPrivilege	1708	explorer.exe
Token: SeRemoteShutdownPrivilege	1708	explorer.exe
Token: SeUndockPrivilege	1708	explorer.exe
Token: SeManageVolumePrivilege	1708	explorer.exe
Token: SeImpersonatePrivilege	1708	explorer.exe
Token: SeCreateGlobalPrivilege	1708	explorer.exe
Token: 33	1708	explorer.exe
Token: 34	1708	explorer.exe
Token: 35	1708	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2504	DllHost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2504	DllHost.exe
2504	DllHost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2232	2872	JaffaCakes118_8351bf08900b42321b4af3ffb1ef98a0.exe	29
PID 2872 wrote to memory of 2232	2872	JaffaCakes118_8351bf08900b42321b4af3ffb1ef98a0.exe	29
PID 2872 wrote to memory of 2232	2872	JaffaCakes118_8351bf08900b42321b4af3ffb1ef98a0.exe	29
PID 2872 wrote to memory of 2232	2872	JaffaCakes118_8351bf08900b42321b4af3ffb1ef98a0.exe	29
PID 2232 wrote to memory of 1708	2232	sid.exe	30
PID 2232 wrote to memory of 1708	2232	sid.exe	30
PID 2232 wrote to memory of 1708	2232	sid.exe	30
PID 2232 wrote to memory of 1708	2232	sid.exe	30
PID 2232 wrote to memory of 1708	2232	sid.exe	30
PID 2232 wrote to memory of 1708	2232	sid.exe	30

System policy modification 1 TTPs 3 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	sid.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	sid.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	sid.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8351bf08900b42321b4af3ffb1ef98a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8351bf08900b42321b4af3ffb1ef98a0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\AppData\Local\Temp\sid.exe
  "C:\Users\Admin\AppData\Local\Temp\sid.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Windows security modification
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2232
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - Modifies firewall policy service
    - Modifies security service
    - Windows security bypass
    - Disables RegEdit via registry modification
    - Checks BIOS information in registry
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:1708

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2504

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

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

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:\Users\Admin\AppData\Local\Temp\Blue hills.jpg

Filesize
27KB

MD5
6fb2a38dc107eacb41cf1656e899cf70

SHA1
4eee44b18576e84de7b163142b537d2fe6231845

SHA256
62e85a0f3a4cbc01b6d3390d63de0f7d051e1e723aeb071416a38799c50738ea

SHA512
939f4a7f03996833d54a36f608949a579a7e6c37f5a477694287158fae1403bce8b5b57603ac45f8caf683129f918093e5663703c05d44e78e9e3606a0d683fb

Download Submit
\Users\Admin\AppData\Local\Temp\sid.exe

Filesize
658KB

MD5
8dc642f2f3d912331638ccf2d45f8dcd

SHA1
5c157a1988c8147caaa53ddb326e8897cb982336

SHA256
c0700781739cc4089521a9fcefc76789a664824938201e8b9635c39e9335f366

SHA512
aade2c455c279f3f9f44784877fb10763f89973cd7389c0800252bb57f39158f1c85c4458d091d4de5d24803a92afc1537ebf5b3da6ae97acbd709b1cb7c8c06

Download Submit
memory/1708-15-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/1708-18-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/1708-20-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/1708-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1708-22-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/1708-21-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/2232-19-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/2504-4-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2504-3-0x00000000006D0000-0x00000000006D2000-memory.dmp

Filesize
8KB

Download
memory/2504-24-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2872-13-0x0000000000400000-0x00000000004AFD05-memory.dmp

Filesize
703KB

Download
memory/2872-2-0x0000000002BB0000-0x0000000002BB2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads