oblique | 7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a

Analysis

max time kernel
140s
max time network
184s
platform
windows7_x64
resource
win7v20210408
submitted
14-05-2021 07:46

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General

Target

7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe
Size

498KB
MD5

d24f971437f93caf9e6497f7ece0ce1c
SHA1

224a2aab2aba68c5635b0ea3b68512551bc0a055
SHA256

7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a
SHA512

1dfa91aa466381bfca283f556e68754bb8445bc199c270d362d033cd86705f4e1a86f4b514128502a61b2285e3e68b9b35a45eec83321cb0f69663990ab116ed

Score

10^/10

oblique trojan

Malware Config

Signatures

ObliqueRAT
Remote Access Trojan discovered in early 2020.
trojan oblique

Executes dropped EXE 2 IoCs

pid	Process
1984	lphsi.exe
1980	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 3 IoCs

pid	Process
1908	7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe
1908	7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe
1980	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 use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 1984	1908	7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe	26
PID 1908 wrote to memory of 1984	1908	7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe	26
PID 1908 wrote to memory of 1984	1908	7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe	26
PID 1908 wrote to memory of 1984	1908	7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe	26
PID 1908 wrote to memory of 1980	1908	7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe	27
PID 1908 wrote to memory of 1980	1908	7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe	27
PID 1908 wrote to memory of 1980	1908	7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe	27
PID 1908 wrote to memory of 1980	1908	7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe	27

C:\Users\Admin\AppData\Local\Temp\7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe
"C:\Users\Admin\AppData\Local\Temp\7f15302860082e1a580961f72519fd50d29a1c89f08b2a8d7182059690f6be2a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Users\Public\Video\lphsi.exe
  "C:\Users\Public\Video\lphsi.exe"
  2⤵
  - Executes dropped EXE
  PID:1984
- C:\Users\Public\Video\hrss.exe
  "C:\Users\Public\Video\hrss.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Loads dropped DLL
  PID:1980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1908-60-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

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