darkcomet | 6485234387d442da150cd85c15fa5e7fb359763a9cbd8411ab8664452fcec50e

General

Target

JaffaCakes118_4abb6228914412ba5419e52648d87dff.exe
Size

299KB
MD5

4abb6228914412ba5419e52648d87dff
SHA1

772958af9eee4d47fa0126dc69e1d82fd58d8883
SHA256

6485234387d442da150cd85c15fa5e7fb359763a9cbd8411ab8664452fcec50e
SHA512

850e02dba65fa88c2cea283351b0e5f12634b06087cbc867b8201ec7049059d4314caecca9e95a16bc35c20b6b9a1d2a98da7703b5c94593538bbddde6aae92f
SSDEEP

6144:utzNt8H0kBkLpledCDSFoSUhkp4Viu6FvRbUYvKcCIz9r:uy04MeYD6oSUhkp4iFVUsKcB9r

Score

10^/10

darkcomet guest16 discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

nono-irrash.no-ip.biz:81

Mutex

DC_MUTEX-F54S21D

Attributes

gencode
k6zSq5qRzoNx
install
false
offline_keylogger
true
persistence
false

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4060 set thread context of 1420	4060	JaffaCakes118_4abb6228914412ba5419e52648d87dff.exe	88

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1420-3-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-5-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-6-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-8-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-13-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-9-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-10-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-15-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-16-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-17-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-18-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-19-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-20-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-21-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-22-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-23-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-24-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-25-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-26-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-27-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-28-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-29-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/1420-30-0x0000000000400000-0x00000000004BA000-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_4abb6228914412ba5419e52648d87dff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1420	vbc.exe
Token: SeSecurityPrivilege	1420	vbc.exe
Token: SeTakeOwnershipPrivilege	1420	vbc.exe
Token: SeLoadDriverPrivilege	1420	vbc.exe
Token: SeSystemProfilePrivilege	1420	vbc.exe
Token: SeSystemtimePrivilege	1420	vbc.exe
Token: SeProfSingleProcessPrivilege	1420	vbc.exe
Token: SeIncBasePriorityPrivilege	1420	vbc.exe
Token: SeCreatePagefilePrivilege	1420	vbc.exe
Token: SeBackupPrivilege	1420	vbc.exe
Token: SeRestorePrivilege	1420	vbc.exe
Token: SeShutdownPrivilege	1420	vbc.exe
Token: SeDebugPrivilege	1420	vbc.exe
Token: SeSystemEnvironmentPrivilege	1420	vbc.exe
Token: SeChangeNotifyPrivilege	1420	vbc.exe
Token: SeRemoteShutdownPrivilege	1420	vbc.exe
Token: SeUndockPrivilege	1420	vbc.exe
Token: SeManageVolumePrivilege	1420	vbc.exe
Token: SeImpersonatePrivilege	1420	vbc.exe
Token: SeCreateGlobalPrivilege	1420	vbc.exe
Token: 33	1420	vbc.exe
Token: 34	1420	vbc.exe
Token: 35	1420	vbc.exe
Token: 36	1420	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1420	vbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 1420	4060	JaffaCakes118_4abb6228914412ba5419e52648d87dff.exe	88
PID 4060 wrote to memory of 1420	4060	JaffaCakes118_4abb6228914412ba5419e52648d87dff.exe	88
PID 4060 wrote to memory of 1420	4060	JaffaCakes118_4abb6228914412ba5419e52648d87dff.exe	88
PID 4060 wrote to memory of 1420	4060	JaffaCakes118_4abb6228914412ba5419e52648d87dff.exe	88
PID 4060 wrote to memory of 1420	4060	JaffaCakes118_4abb6228914412ba5419e52648d87dff.exe	88
PID 4060 wrote to memory of 1420	4060	JaffaCakes118_4abb6228914412ba5419e52648d87dff.exe	88
PID 4060 wrote to memory of 1420	4060	JaffaCakes118_4abb6228914412ba5419e52648d87dff.exe	88
PID 4060 wrote to memory of 1420	4060	JaffaCakes118_4abb6228914412ba5419e52648d87dff.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4abb6228914412ba5419e52648d87dff.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4abb6228914412ba5419e52648d87dff.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4060
- 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:1420

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/1420-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-5-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-30-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-3-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-6-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-8-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-12-0x0000000002850000-0x0000000002851000-memory.dmp

Filesize
4KB

Download
memory/1420-29-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-18-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-28-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-15-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-27-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-26-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-19-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-20-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-21-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-23-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1420-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4060-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/4060-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/4060-14-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/4060-11-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/4060-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

Filesize
4KB

Download

Analysis

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