darkcomet | e84f12fc4446f4abdf9b609d66c3442ee137bac480e208ef66054b9f2caddd51

General

Target

JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe
Size

1011KB
MD5

6bebbd0bb25f3d16b25824eae92f12c9
SHA1

89dd5df3a49460906aa048f52f6649b2974a1b8f
SHA256

e84f12fc4446f4abdf9b609d66c3442ee137bac480e208ef66054b9f2caddd51
SHA512

cd41dbe2d362347afb2c220689bfab2221872117a0ac38bf4107de24de032f4cd496b1ebcd47b876796c790909d3ff0619a06c463bb31564816de93ce057e86d
SSDEEP

12288:zjPG0Ond0VO5iICxcNVM82OKQhfAvhIcQjFDk/yXcrnvMftGowccQyYE33lEFUk5:7wJTwZAuTUlErCUkHNFpwzk

Score

10^/10

darkcomet 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

Executes dropped EXE 1 IoCs

pid	Process
868	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1 = "C:\\Users\\Admin\\AppData\\Roaming\\JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe"	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 816 set thread context of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82

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_6bebbd0bb25f3d16b25824eae92f12c9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	868	vbc.exe
Token: SeSecurityPrivilege	868	vbc.exe
Token: SeTakeOwnershipPrivilege	868	vbc.exe
Token: SeLoadDriverPrivilege	868	vbc.exe
Token: SeSystemProfilePrivilege	868	vbc.exe
Token: SeSystemtimePrivilege	868	vbc.exe
Token: SeProfSingleProcessPrivilege	868	vbc.exe
Token: SeIncBasePriorityPrivilege	868	vbc.exe
Token: SeCreatePagefilePrivilege	868	vbc.exe
Token: SeBackupPrivilege	868	vbc.exe
Token: SeRestorePrivilege	868	vbc.exe
Token: SeShutdownPrivilege	868	vbc.exe
Token: SeDebugPrivilege	868	vbc.exe
Token: SeSystemEnvironmentPrivilege	868	vbc.exe
Token: SeChangeNotifyPrivilege	868	vbc.exe
Token: SeRemoteShutdownPrivilege	868	vbc.exe
Token: SeUndockPrivilege	868	vbc.exe
Token: SeManageVolumePrivilege	868	vbc.exe
Token: SeImpersonatePrivilege	868	vbc.exe
Token: SeCreateGlobalPrivilege	868	vbc.exe
Token: 33	868	vbc.exe
Token: 34	868	vbc.exe
Token: 35	868	vbc.exe
Token: 36	868	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
868	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82
PID 816 wrote to memory of 868	816	JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6bebbd0bb25f3d16b25824eae92f12c9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:816
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/816-15-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/816-1-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/816-2-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/816-0-0x0000000075522000-0x0000000075523000-memory.dmp

Filesize
4KB

Download
memory/868-20-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-23-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-14-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-10-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-16-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/868-18-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-19-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-17-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-21-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/868-7-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-22-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-12-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-24-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-25-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-26-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-27-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-28-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-29-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-30-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-31-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-32-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-33-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/868-34-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads