darkcomet | 568c425570f2be7ba94db76f173f1e1812c57b5568cc1c4d20ae94608b90f1d1

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 20:18

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General

Target

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Size

661KB
MD5

f6964be59c0dcfc3bcf276ead2eeccd8
SHA1

97de8a0c4d5048d8523e2631f04354f71fb35a3a
SHA256

568c425570f2be7ba94db76f173f1e1812c57b5568cc1c4d20ae94608b90f1d1
SHA512

7ad90806b02180fc2e17e5cfd6db750a36bc4020c61aa418aba739655174391b01609ae9d38f3a7ff4485bb2b52b7d7763753ec23c15df1839d859d98964e05d
SSDEEP

12288:TsBMe3QUYDugu73AUy1uOzOeYFCJAbiIvRNsqZaYVJyc4Nwp:QB/YDuy5zOyAFv3gYVJj4N

Score

10^/10

darkcomet evasion rat trojan upx

Malware Config

Signatures

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

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	f6964be59c0dcfc3bcf276ead2eeccd8_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
3992	attrib.exe
888	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:

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/544-6-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/544-8-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/544-10-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/544-9-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/544-21-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/544-20-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/544-19-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/544-25-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/544-26-0x0000000000400000-0x00000000004EA000-memory.dmp	upx

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exef6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1712 set thread context of 3688	1712	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	92
PID 3688 set thread context of 544	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	93
PID 3688 set thread context of 2572	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	94

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

pid	Process
544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeSecurityPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeSystemtimePrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeBackupPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeRestorePrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeShutdownPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeDebugPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeUndockPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeManageVolumePrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeImpersonatePrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: 33	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: 34	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: 35	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Token: 36	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exef6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

pid	Process
3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
2572	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exef6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exef6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.execmd.execmd.exe

description	pid	Process	procid_target
PID 1712 wrote to memory of 3688	1712	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	92
PID 1712 wrote to memory of 3688	1712	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	92
PID 1712 wrote to memory of 3688	1712	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	92
PID 1712 wrote to memory of 3688	1712	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	92
PID 1712 wrote to memory of 3688	1712	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	92
PID 1712 wrote to memory of 3688	1712	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	92
PID 1712 wrote to memory of 3688	1712	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	92
PID 3688 wrote to memory of 544	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	93
PID 3688 wrote to memory of 544	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	93
PID 3688 wrote to memory of 544	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	93
PID 3688 wrote to memory of 544	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	93
PID 3688 wrote to memory of 544	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	93
PID 3688 wrote to memory of 544	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	93
PID 3688 wrote to memory of 544	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	93
PID 3688 wrote to memory of 544	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	93
PID 3688 wrote to memory of 2572	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	94
PID 3688 wrote to memory of 2572	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	94
PID 3688 wrote to memory of 2572	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	94
PID 3688 wrote to memory of 2572	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	94
PID 3688 wrote to memory of 2572	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	94
PID 3688 wrote to memory of 2572	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	94
PID 3688 wrote to memory of 2572	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	94
PID 3688 wrote to memory of 2572	3688	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	94
PID 544 wrote to memory of 4240	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	95
PID 544 wrote to memory of 4240	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	95
PID 544 wrote to memory of 4240	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	95
PID 544 wrote to memory of 1516	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	97
PID 544 wrote to memory of 1516	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	97
PID 544 wrote to memory of 1516	544	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe	97
PID 4240 wrote to memory of 3992	4240	cmd.exe	99
PID 4240 wrote to memory of 3992	4240	cmd.exe	99
PID 4240 wrote to memory of 3992	4240	cmd.exe	99
PID 1516 wrote to memory of 888	1516	cmd.exe	100
PID 1516 wrote to memory of 888	1516	cmd.exe	100
PID 1516 wrote to memory of 888	1516	cmd.exe	100

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
3992	attrib.exe
888	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3688
- - C:\Users\Admin\AppData\Local\Temp\f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
    C:\Users\Admin\AppData\Local\Temp\f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
    3⤵
    - Modifies firewall policy service
    - Modifies security service
    - Windows security bypass
    - Disables RegEdit via registry modification
    - Checks computer location settings
    - Windows security modification
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:544
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe" +s +h
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4240
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib "C:\Users\Admin\AppData\Local\Temp\f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe" +s +h
        5⤵
        Sets file to hidden
        Views/modifies file attributes
        
        PID:3992
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1516
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        5⤵
        Sets file to hidden
        Views/modifies file attributes
        
        PID:888
- - C:\Users\Admin\AppData\Local\Temp\f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
    C:\Users\Admin\AppData\Local\Temp\f6964be59c0dcfc3bcf276ead2eeccd8_JaffaCakes118.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2572

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 Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/544-21-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/544-20-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/544-25-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/544-19-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/544-8-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/544-10-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/544-11-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/544-9-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/544-26-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/544-6-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1712-1-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2572-24-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2572-14-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2572-12-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3688-3-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/3688-15-0x0000000000480000-0x0000000000549000-memory.dmp

Filesize
804KB

Download
memory/3688-0-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/3688-17-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download