darkcomet | 27a42e3d4e6b87107c36171eef8927bf3933121c869c910346c4c875bb2ba6cb

General

Target

JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Size

465KB
MD5

6dd31b95388aa6d80712445f7799dd98
SHA1

bdbee5a847252b60ba879c3fc9d929ce2184a700
SHA256

27a42e3d4e6b87107c36171eef8927bf3933121c869c910346c4c875bb2ba6cb
SHA512

21ce366cf3509a8ebc0406cd0a593b1ee60029c2bba29a6255fdd710773901e03de21ec5403f7658087cb12b3f96be32119e56686ba62bf917c492f227381970
SSDEEP

12288:ii31Crlg0ARjexXk9x4bZ+Z8ymTOV1yzH:iiFylgJYxX+EFymanyzH

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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe

Disables Task Manager via registry modification
evasion

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2236 set thread context of 1972	2236	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	82

UPX packed file 29 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2236-0-0x0000000000400000-0x000000000058F000-memory.dmp	upx
behavioral2/memory/1972-3-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-5-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-6-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/2236-8-0x0000000000400000-0x000000000058F000-memory.dmp	upx
behavioral2/memory/1972-9-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-10-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-11-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-12-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-13-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-15-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-14-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-16-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-17-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-19-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-18-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-20-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-21-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-22-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-23-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-24-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-25-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-26-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-27-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-28-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-29-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-30-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-31-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/1972-32-0x0000000000400000-0x00000000004F9000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 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	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeSecurityPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeTakeOwnershipPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeLoadDriverPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeSystemProfilePrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeSystemtimePrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeProfSingleProcessPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeIncBasePriorityPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeCreatePagefilePrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeBackupPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeRestorePrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeShutdownPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeDebugPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeSystemEnvironmentPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeChangeNotifyPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeRemoteShutdownPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeUndockPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeManageVolumePrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeImpersonatePrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: SeCreateGlobalPrivilege	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: 33	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: 34	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: 35	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
Token: 36	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2236	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 1972	2236	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	82
PID 2236 wrote to memory of 1972	2236	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	82
PID 2236 wrote to memory of 1972	2236	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	82
PID 2236 wrote to memory of 1972	2236	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	82
PID 2236 wrote to memory of 1972	2236	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	82
PID 2236 wrote to memory of 1972	2236	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	82
PID 2236 wrote to memory of 1972	2236	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	82
PID 2236 wrote to memory of 1972	2236	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	82
PID 1972 wrote to memory of 1172	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	83
PID 1972 wrote to memory of 1172	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	83
PID 1972 wrote to memory of 1172	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	83
PID 1972 wrote to memory of 2936	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	84
PID 1972 wrote to memory of 2936	1972	JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6dd31b95388aa6d80712445f7799dd98.exe"
  2⤵
  - Modifies firewall policy service
  - Disables RegEdit via registry modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:1172
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

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/1972-19-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-26-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-32-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-6-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-18-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-9-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-10-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-11-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-12-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-13-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-15-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-20-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-16-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-17-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-5-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-31-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-14-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-21-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-22-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-23-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-24-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-25-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-3-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-27-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-28-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-29-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1972-30-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/2236-8-0x0000000000400000-0x000000000058F000-memory.dmp

Filesize
1.6MB

Download
memory/2236-0-0x0000000000400000-0x000000000058F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads