darkcomet | c163ee3007c843a56a5e419555dd52de5e41c29c3479b9c75e1555f70b1b7fce

General

Target

JaffaCakes118_10f5e558cc8d38df273d553065527404.exe
Size

671KB
MD5

10f5e558cc8d38df273d553065527404
SHA1

9c398ecffb9d78fa63bae0f9093d653fc4401274
SHA256

c163ee3007c843a56a5e419555dd52de5e41c29c3479b9c75e1555f70b1b7fce
SHA512

0e0a02312d644b04c4af53372271262fccb8ee57ecd7560f7c75244b528ad9ffabd36d08e54abcb1979d7dd624340ccc605734f8f6fd528e0afacf23d0dfae84
SSDEEP

12288:j2csGkJZXMHSX7G2To6oh5VaLxJtQfGoOUr6eUlzw24Bp+L1VpChzHnv:jfVkJZgE75ur6bQfm182upwVpChzH

Score

10^/10

darkcomet defense_evasion discovery persistence rat trojan

Malware Config

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 3 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	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

defense_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

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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	svchost.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4824	attrib.exe
2264	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1924	svchost.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"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\Users\\Admin\\AppData\\Local\\Temp\\WinDef.exe"	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2492 set thread context of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82

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

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	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1924	svchost.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe
Token: SeIncreaseQuotaPrivilege	1924	svchost.exe
Token: SeSecurityPrivilege	1924	svchost.exe
Token: SeTakeOwnershipPrivilege	1924	svchost.exe
Token: SeLoadDriverPrivilege	1924	svchost.exe
Token: SeSystemProfilePrivilege	1924	svchost.exe
Token: SeSystemtimePrivilege	1924	svchost.exe
Token: SeProfSingleProcessPrivilege	1924	svchost.exe
Token: SeIncBasePriorityPrivilege	1924	svchost.exe
Token: SeCreatePagefilePrivilege	1924	svchost.exe
Token: SeBackupPrivilege	1924	svchost.exe
Token: SeRestorePrivilege	1924	svchost.exe
Token: SeShutdownPrivilege	1924	svchost.exe
Token: SeDebugPrivilege	1924	svchost.exe
Token: SeSystemEnvironmentPrivilege	1924	svchost.exe
Token: SeChangeNotifyPrivilege	1924	svchost.exe
Token: SeRemoteShutdownPrivilege	1924	svchost.exe
Token: SeUndockPrivilege	1924	svchost.exe
Token: SeManageVolumePrivilege	1924	svchost.exe
Token: SeImpersonatePrivilege	1924	svchost.exe
Token: SeCreateGlobalPrivilege	1924	svchost.exe
Token: 33	1924	svchost.exe
Token: 34	1924	svchost.exe
Token: 35	1924	svchost.exe
Token: 36	1924	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1924	svchost.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 2492 wrote to memory of 1924	2492	JaffaCakes118_10f5e558cc8d38df273d553065527404.exe	82
PID 1924 wrote to memory of 4704	1924	svchost.exe	83
PID 1924 wrote to memory of 4704	1924	svchost.exe	83
PID 1924 wrote to memory of 4704	1924	svchost.exe	83
PID 1924 wrote to memory of 392	1924	svchost.exe	85
PID 1924 wrote to memory of 392	1924	svchost.exe	85
PID 1924 wrote to memory of 392	1924	svchost.exe	85
PID 4704 wrote to memory of 4824	4704	cmd.exe	87
PID 4704 wrote to memory of 4824	4704	cmd.exe	87
PID 4704 wrote to memory of 4824	4704	cmd.exe	87
PID 392 wrote to memory of 2264	392	cmd.exe	88
PID 392 wrote to memory of 2264	392	cmd.exe	88
PID 392 wrote to memory of 2264	392	cmd.exe	88

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4824	attrib.exe
2264	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_10f5e558cc8d38df273d553065527404.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_10f5e558cc8d38df273d553065527404.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492
- 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
  - Drops file in Drivers directory
  - Checks computer location settings
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4704
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:4824
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:392
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Impair Defenses

3

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
memory/1924-21-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-31-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-35-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-11-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-22-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/1924-9-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-6-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-14-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/1924-34-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-17-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-20-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-19-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-33-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-18-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-13-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-23-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-24-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-25-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-26-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-27-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-28-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-29-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-30-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1924-32-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2492-0-0x0000000075592000-0x0000000075593000-memory.dmp

Filesize
4KB

Download
memory/2492-2-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/2492-16-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/2492-1-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads