darkcomet | a49d59a40c1092fad50d6df664f66bc11593402f0bf0e37720f1ffa01d568532

General

Target

8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Size

240KB
MD5

8e8ba0662043efda7aec96dd1e1bb7c3
SHA1

fbcc7f95c1f6c0b6ede1b28e14b4d281f326353d
SHA256

a49d59a40c1092fad50d6df664f66bc11593402f0bf0e37720f1ffa01d568532
SHA512

7d6cf787b686a0ca335eea4b55260a4f1a55fd92b018a039cbe80793dec63be0ebc0b68fa58a5392eaf6f67b29c080cc61410c491660ddfd1c45a5a83fa9c98e
SSDEEP

6144:DUc8SY8u+rv6Kl9QFhC6z3sbS4P2UI9icyXV13kPKuzGnVAqD:DUcrY8driIQHG2D1axkPKdt

Score

10^/10

darkcomet discovery evasion rat trojan upx

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

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.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"	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.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"	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	8e8ba0662043efda7aec96dd1e1bb7c3_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

pid	Process
2188	attrib.exe
2512	attrib.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\AntiVirusDisableNotify = "1"	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2104-0-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2104-2-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2104-5-0x0000000000400000-0x00000000004BA000-memory.dmp	upx

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 5 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeSecurityPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeBackupPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeRestorePrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeShutdownPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeDebugPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeUndockPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: 33	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: 34	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Token: 35	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 3068	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe	29
PID 2104 wrote to memory of 3068	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe	29
PID 2104 wrote to memory of 3068	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe	29
PID 2104 wrote to memory of 3068	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe	29
PID 2104 wrote to memory of 2772	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2772	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2772	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2772	2104	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe	30
PID 3068 wrote to memory of 2512	3068	cmd.exe	33
PID 3068 wrote to memory of 2512	3068	cmd.exe	33
PID 3068 wrote to memory of 2512	3068	cmd.exe	33
PID 3068 wrote to memory of 2512	3068	cmd.exe	33
PID 2772 wrote to memory of 2188	2772	cmd.exe	34
PID 2772 wrote to memory of 2188	2772	cmd.exe	34
PID 2772 wrote to memory of 2188	2772	cmd.exe	34
PID 2772 wrote to memory of 2188	2772	cmd.exe	34

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2188	attrib.exe
2512	attrib.exe

C:\Users\Admin\AppData\Local\Temp\8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2104
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2512
- 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:2772
- - 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:2188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

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

System Information Discovery

1

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

memory/2104-0-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2104-1-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2104-2-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2104-5-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads