darkcomet | bb83eea71147552205cb7327ae323fc6cb5d5a95ed36abe42f4c53c47927baa1

General

Target

JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe
Size

620KB
MD5

8af79df4773c050faeb6c305dd4f84b3
SHA1

e1286dde959d78e0373ba3b62573f71ae633c213
SHA256

bb83eea71147552205cb7327ae323fc6cb5d5a95ed36abe42f4c53c47927baa1
SHA512

e722a33bf2a8001d3f1f0a65f5d73218572a739b0a2816208bedbe80421b0972ccc659c5e33b00f77422e697093f0e92111bdc8287a380663b275468a7a427eb
SSDEEP

12288:bgbz1o1/SIE3rRcrQKqup9y/YlzuoKaucp+/Wt/8vC:k21PQKNM/Y9uoKauaAC

Score

10^/10

darkcomet guest16_min discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

drk1.no-ip.biz:1604

Mutex

DCMIN_MUTEX-3E72LZ0

Attributes

gencode
phHGgrq1nyQY
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

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\{Binda}.exe	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\{Binda}.exe	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1896 set thread context of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88

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_8af79df4773c050faeb6c305dd4f84b3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2184	vbc.exe
Token: SeSecurityPrivilege	2184	vbc.exe
Token: SeTakeOwnershipPrivilege	2184	vbc.exe
Token: SeLoadDriverPrivilege	2184	vbc.exe
Token: SeSystemProfilePrivilege	2184	vbc.exe
Token: SeSystemtimePrivilege	2184	vbc.exe
Token: SeProfSingleProcessPrivilege	2184	vbc.exe
Token: SeIncBasePriorityPrivilege	2184	vbc.exe
Token: SeCreatePagefilePrivilege	2184	vbc.exe
Token: SeBackupPrivilege	2184	vbc.exe
Token: SeRestorePrivilege	2184	vbc.exe
Token: SeShutdownPrivilege	2184	vbc.exe
Token: SeDebugPrivilege	2184	vbc.exe
Token: SeSystemEnvironmentPrivilege	2184	vbc.exe
Token: SeChangeNotifyPrivilege	2184	vbc.exe
Token: SeRemoteShutdownPrivilege	2184	vbc.exe
Token: SeUndockPrivilege	2184	vbc.exe
Token: SeManageVolumePrivilege	2184	vbc.exe
Token: SeImpersonatePrivilege	2184	vbc.exe
Token: SeCreateGlobalPrivilege	2184	vbc.exe
Token: 33	2184	vbc.exe
Token: 34	2184	vbc.exe
Token: 35	2184	vbc.exe
Token: 36	2184	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2184	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88
PID 1896 wrote to memory of 2184	1896	JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8af79df4773c050faeb6c305dd4f84b3.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1896
- 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:2184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

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/1896-12-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/1896-1-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/1896-2-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/1896-0-0x0000000074782000-0x0000000074783000-memory.dmp

Filesize
4KB

Download
memory/2184-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-17-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-8-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-11-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-9-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-4-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-13-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-3-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-15-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-16-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-5-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-19-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-21-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-24-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-26-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-27-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2184-28-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

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