darkcomet | 34ec4deb418b292f1308c4c5bfe54ba09e0d5102324d1683aa10e4cde0cc4660

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15/07/2024, 17:30

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General

Target
4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe
Size 1.1MB
Sample240715-v3jdwathja
SHA256 34ec4deb418b292f1308c4c5bfe54ba09e0d5102324d1683aa10e4cde0cc4660
MD5 4aaff51bfb7d7f3c5bb21e7a0465f00b
SHA1 9feda5b284d96f7aa151a2cf47931d6b78a7877f
SHA512 88f643484086b19770a075fd0336237bde29243ac513fe62fd24b49a784a099de34ebbc7d1576efec604014922a061bc85f9fc906b27d9a16f15f4eddf8a8962
SSDEEP 12288:y/Bv17kMLTTTdfIX1y6hgpcKiaqb7MybKbeLSVNIYntkypxCJfFSzk+wDvCXP56J:4dshJMXiJo7jWy8a1VXiNhbnQ+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet evasion persistence rat trojan

Malware Config

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

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

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

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

Windows security bypass 2 TTPs 2 IoCs

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"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	svchost.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	svchost.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
1636	attrib.exe
2164	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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
5020	svchost.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	svchost.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-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1 = "C:\\Users\\Admin\\AppData\\Roaming\\4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe"	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3136 set thread context of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5020	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5020	svchost.exe
Token: SeSecurityPrivilege	5020	svchost.exe
Token: SeTakeOwnershipPrivilege	5020	svchost.exe
Token: SeLoadDriverPrivilege	5020	svchost.exe
Token: SeSystemProfilePrivilege	5020	svchost.exe
Token: SeSystemtimePrivilege	5020	svchost.exe
Token: SeProfSingleProcessPrivilege	5020	svchost.exe
Token: SeIncBasePriorityPrivilege	5020	svchost.exe
Token: SeCreatePagefilePrivilege	5020	svchost.exe
Token: SeBackupPrivilege	5020	svchost.exe
Token: SeRestorePrivilege	5020	svchost.exe
Token: SeShutdownPrivilege	5020	svchost.exe
Token: SeDebugPrivilege	5020	svchost.exe
Token: SeSystemEnvironmentPrivilege	5020	svchost.exe
Token: SeChangeNotifyPrivilege	5020	svchost.exe
Token: SeRemoteShutdownPrivilege	5020	svchost.exe
Token: SeUndockPrivilege	5020	svchost.exe
Token: SeManageVolumePrivilege	5020	svchost.exe
Token: SeImpersonatePrivilege	5020	svchost.exe
Token: SeCreateGlobalPrivilege	5020	svchost.exe
Token: 33	5020	svchost.exe
Token: 34	5020	svchost.exe
Token: 35	5020	svchost.exe
Token: 36	5020	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5020	svchost.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 3136 wrote to memory of 5020	3136	4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe	85
PID 5020 wrote to memory of 3780	5020	svchost.exe	87
PID 5020 wrote to memory of 3780	5020	svchost.exe	87
PID 5020 wrote to memory of 3780	5020	svchost.exe	87
PID 5020 wrote to memory of 3580	5020	svchost.exe	88
PID 5020 wrote to memory of 3580	5020	svchost.exe	88
PID 5020 wrote to memory of 3580	5020	svchost.exe	88
PID 5020 wrote to memory of 1300	5020	svchost.exe	90
PID 5020 wrote to memory of 1300	5020	svchost.exe	90
PID 5020 wrote to memory of 1300	5020	svchost.exe	90
PID 5020 wrote to memory of 5012	5020	svchost.exe	92
PID 5020 wrote to memory of 5012	5020	svchost.exe	92
PID 3780 wrote to memory of 1636	3780	cmd.exe	93
PID 3780 wrote to memory of 1636	3780	cmd.exe	93
PID 3780 wrote to memory of 1636	3780	cmd.exe	93
PID 3580 wrote to memory of 2164	3580	cmd.exe	94
PID 3580 wrote to memory of 2164	3580	cmd.exe	94
PID 3580 wrote to memory of 2164	3580	cmd.exe	94

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

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

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1636	attrib.exe
2164	attrib.exe

C:\Users\Admin\AppData\Local\Temp\4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4aaff51bfb7d7f3c5bb21e7a0465f00b_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3136
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Checks computer location settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:5020
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3780
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      Views/modifies file attributes
      PID:1636
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3580
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      Views/modifies file attributes
      PID:2164
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:1300
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:5012

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

svchost.exe

Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
Size 1.1MB
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
SSDEEP 24576:jp2silPBMIXGWClfuRcUGIJYK15Qs/QZM:jp2sMO7VzUTJH15QFZM
MD5 SHA1 SHA512 SSDEEP

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tmpcmd.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat
Size 50B
SHA256 adaf4a84b41e410b02e261cfd0fe7739d98647eab73c3badd32ac6e39f26351b
MD5 b774ae3fb1da087e1f83b4f7b2060e5a
SHA1 97eb9be49ac3af9c851c9e1e84e32bfd53e325a8
SHA512 f75d0f95f7306d26a12b414bfe37b97fbd37546cb3c6e403def7077329ddffb4b45d5c5f0ba0e7bb6d72851d2d691b0a85267beead42f7cbf2e8c3d45a3b4701
MD5 SHA1 SHA512

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memory/3136-12-0x0000000075520000-0x0000000075AD1000-memory.dmp

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memory/3136-1-0x0000000075520000-0x0000000075AD1000-memory.dmp

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memory/3136-2-0x0000000075520000-0x0000000075AD1000-memory.dmp

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memory/3136-0-0x0000000075522000-0x0000000075523000-memory.dmp

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memory/5020-15-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-31-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-13-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-16-0x00000000025D0000-0x00000000025D1000-memory.dmp

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memory/5020-24-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-27-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-26-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-25-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-7-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-29-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-30-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-11-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-32-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-33-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-34-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-35-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-36-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-37-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-38-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-39-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-40-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-41-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5020-42-0x0000000000400000-0x00000000004C3000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads