darkcomet | 36f716895d8a02324d4279f4206da24dc10676589d8a4931e6410ddff29d8682

General

Target

JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Size

322KB
MD5

ec6322c28a18f0e81918b734b3fe73fb
SHA1

4aee5b1f94d048dafb754de6b153adc52d36002c
SHA256

36f716895d8a02324d4279f4206da24dc10676589d8a4931e6410ddff29d8682
SHA512

ff0fdce51bde1c44d3594b824e2fd71ee3cc0da33170ce8ef5cf091052cea86a3b843c8961ee788662effc99ad49dadc2be980e25b7babd07ad8640948d59652
SSDEEP

6144:VVfA9MoSFsSsRSy5Q02nYGArdbbNEVypxD8Z4rwhtb:VBMMoSFsS2Sy5xrdbb6VymDb

Score

10^/10

darkcomet guest16 defense_evasion discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

192.168.2.34:10

Mutex

DC_MUTEX-W6FDNMZ

Attributes

gencode
RCMtF=TXM#oA
install
false
offline_keylogger
false
persistence
false

rc4.plain

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	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.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"	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe

Disables RegEdit via registry modification 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe

Disables Task Manager via registry modification
defense_evasion

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2656	attrib.exe

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 3 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_ec6322c28a18f0e81918b734b3fe73fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeSecurityPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeTakeOwnershipPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeLoadDriverPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeSystemProfilePrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeSystemtimePrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeProfSingleProcessPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeIncBasePriorityPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeCreatePagefilePrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeBackupPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeRestorePrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeShutdownPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeDebugPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeSystemEnvironmentPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeChangeNotifyPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeRemoteShutdownPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeUndockPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeManageVolumePrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeImpersonatePrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: SeCreateGlobalPrivilege	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: 33	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: 34	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
Token: 35	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 1872	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe	30
PID 2768 wrote to memory of 1872	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe	30
PID 2768 wrote to memory of 1872	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe	30
PID 2768 wrote to memory of 1872	2768	JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe	30
PID 1872 wrote to memory of 2656	1872	cmd.exe	32
PID 1872 wrote to memory of 2656	1872	cmd.exe	32
PID 1872 wrote to memory of 2656	1872	cmd.exe	32
PID 1872 wrote to memory of 2656	1872	cmd.exe	32

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2656	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe"
1⤵
- Modifies firewall policy service
- Modifies security service
- Disables RegEdit via registry modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1872
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ec6322c28a18f0e81918b734b3fe73fb.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2656

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

1

T1562

Disable or Modify System Firewall

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/2768-0-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2768-1-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2768-2-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2768-4-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2768-6-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads