oblique | 438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b

General

Target

438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b(1).exe
Size

5.3MB
MD5

fe76cfda06a226938e182b058877011a
SHA1

ac0c8fb27ea00530d95d00809756d9a71c6b137a
SHA256

438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b
SHA512

08a434d0b6802c80119f3a380975194cfc75ccd056bf42e353cfd4c381c2e628b52ab3d1f45051964945f8db1411f11437f460ed2c328a19643d6aa2027dacde

Score

10^/10

oblique trojan

Malware Config

Signatures

ObliqueRAT
Remote Access Trojan discovered in early 2020.
trojan oblique

Executes dropped EXE 3 IoCs

pid	Process
1432	frame.exe
1744	lphsi.exe
1724	hrss.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\script.lnk	hrss.exe

Loads dropped DLL 4 IoCs

pid	Process
452	438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b(1).exe
1432	frame.exe
1432	frame.exe
1724	hrss.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1756	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1756	vlc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1756	vlc.exe
Token: SeIncBasePriorityPrivilege	1756	vlc.exe

Suspicious use of FindShellTrayWindow 27 IoCs

pid	Process
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe
1756	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1756	vlc.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 1432	452	438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b(1).exe	26
PID 452 wrote to memory of 1432	452	438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b(1).exe	26
PID 452 wrote to memory of 1432	452	438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b(1).exe	26
PID 452 wrote to memory of 1432	452	438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b(1).exe	26
PID 452 wrote to memory of 1756	452	438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b(1).exe	27
PID 452 wrote to memory of 1756	452	438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b(1).exe	27
PID 452 wrote to memory of 1756	452	438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b(1).exe	27
PID 452 wrote to memory of 1756	452	438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b(1).exe	27
PID 1432 wrote to memory of 1744	1432	frame.exe	28
PID 1432 wrote to memory of 1744	1432	frame.exe	28
PID 1432 wrote to memory of 1744	1432	frame.exe	28
PID 1432 wrote to memory of 1744	1432	frame.exe	28
PID 1432 wrote to memory of 1724	1432	frame.exe	29
PID 1432 wrote to memory of 1724	1432	frame.exe	29
PID 1432 wrote to memory of 1724	1432	frame.exe	29
PID 1432 wrote to memory of 1724	1432	frame.exe	29

C:\Users\Admin\AppData\Local\Temp\438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b(1).exe
"C:\Users\Admin\AppData\Local\Temp\438230eff2aad1d53bdff9065c1648a8a798d618bbb23d3c3c1be45db3c1871b(1).exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:452
- C:\Users\Public\Video\frame.exe
  "C:\Users\Public\Video\frame.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1432
- - C:\Users\Public\Video\lphsi.exe
    "C:\Users\Public\Video\lphsi.exe"
    3⤵
    - Executes dropped EXE
    PID:1744
- - C:\Users\Public\Video\hrss.exe
    "C:\Users\Public\Video\hrss.exe"
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Loads dropped DLL
    PID:1724
- C:\Program Files\VideoLAN\VLC\vlc.exe
  "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Public\Video\movie.mp4"
  2⤵
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/452-59-0x00000000753E1000-0x00000000753E3000-memory.dmp

Filesize
8KB

Download

Analysis

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