darkcomet | 4156ee12ea6a1563cd91f1488de7e42e3e213acd645127dac170787bf079b946

General

Target

JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe
Size

1.3MB
MD5

24bd9cd82fbc91f0e8c1bc0eefbf0944
SHA1

e20be8c9bfe693e9e7edaeafcf8dbbbf821c2979
SHA256

4156ee12ea6a1563cd91f1488de7e42e3e213acd645127dac170787bf079b946
SHA512

c47a7bd80938e7359b4ed84aa02fc20c1f87d5fbeffd4d51189fe09393785efe9052fdbe834b6f78a398df703edec94b872f24065fcfff3ef7399d315589ff5a
SSDEEP

24576:Hhqk/8O55m4/bK4XuNGLBGAxBFuRm5zxlpUey0gf58Cnu/+KI5fwHko1tK/FIIbL:Hhqk/T55m4+Lams5ILDskorKWw

Score

10^/10

darkcomet guest1 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest1

C2

19484.no-ip.biz:1604

Mutex

DC_MUTEX-Y676WZN

Attributes

gencode
hKrpcAheNmZt
install
false
offline_keylogger
true
persistence
false

rc4.plain

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet
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-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindosU = "C:\\Users\\Admin\\AppData\\Local\\Temp\\WindosU.exe"	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2524 set thread context of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86

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_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3196	vbc.exe
Token: SeSecurityPrivilege	3196	vbc.exe
Token: SeTakeOwnershipPrivilege	3196	vbc.exe
Token: SeLoadDriverPrivilege	3196	vbc.exe
Token: SeSystemProfilePrivilege	3196	vbc.exe
Token: SeSystemtimePrivilege	3196	vbc.exe
Token: SeProfSingleProcessPrivilege	3196	vbc.exe
Token: SeIncBasePriorityPrivilege	3196	vbc.exe
Token: SeCreatePagefilePrivilege	3196	vbc.exe
Token: SeBackupPrivilege	3196	vbc.exe
Token: SeRestorePrivilege	3196	vbc.exe
Token: SeShutdownPrivilege	3196	vbc.exe
Token: SeDebugPrivilege	3196	vbc.exe
Token: SeSystemEnvironmentPrivilege	3196	vbc.exe
Token: SeChangeNotifyPrivilege	3196	vbc.exe
Token: SeRemoteShutdownPrivilege	3196	vbc.exe
Token: SeUndockPrivilege	3196	vbc.exe
Token: SeManageVolumePrivilege	3196	vbc.exe
Token: SeImpersonatePrivilege	3196	vbc.exe
Token: SeCreateGlobalPrivilege	3196	vbc.exe
Token: 33	3196	vbc.exe
Token: 34	3196	vbc.exe
Token: 35	3196	vbc.exe
Token: 36	3196	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3196	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86
PID 2524 wrote to memory of 3196	2524	JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_24bd9cd82fbc91f0e8c1bc0eefbf0944.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3196

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

memory/2524-11-0x00000000747E2000-0x00000000747E3000-memory.dmp

Filesize
4KB

Download
memory/2524-1-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/2524-2-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/2524-0-0x00000000747E2000-0x00000000747E3000-memory.dmp

Filesize
4KB

Download
memory/2524-12-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/3196-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3196-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads