oski | 6ff2df9ce53194ba8f0cd6f4b391513a024fa0c87db70a2abd27619fdcf395af

Analysis

max time kernel
189s
max time network
196s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
25/06/2022, 08:58

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General

Target

6ff2df9ce53194ba8f0cd6f4b391513a024fa0c87db70a2abd27619fdcf395af.exe
Size

185KB
MD5

45806f0f5bd793789640e2d387b360b7
SHA1

84723dc5257f3dbc04757223631f75407082a7cf
SHA256

6ff2df9ce53194ba8f0cd6f4b391513a024fa0c87db70a2abd27619fdcf395af
SHA512

8f82af8bd555a175e5699e2206492f7afc25efa4fde156816fb48e84566c1f494141c5d3c55e662c4f72bc2e9569a613499068d60ad35f9fc93a4a96d5d523cd

Score

10^/10

oski infostealer spyware stealer

Malware Config

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4588	1840	WerFault.exe	41
4480	1840	WerFault.exe	41

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 4588	1840	6ff2df9ce53194ba8f0cd6f4b391513a024fa0c87db70a2abd27619fdcf395af.exe	83
PID 1840 wrote to memory of 4588	1840	6ff2df9ce53194ba8f0cd6f4b391513a024fa0c87db70a2abd27619fdcf395af.exe	83
PID 1840 wrote to memory of 4588	1840	6ff2df9ce53194ba8f0cd6f4b391513a024fa0c87db70a2abd27619fdcf395af.exe	83

C:\Users\Admin\AppData\Local\Temp\6ff2df9ce53194ba8f0cd6f4b391513a024fa0c87db70a2abd27619fdcf395af.exe
"C:\Users\Admin\AppData\Local\Temp\6ff2df9ce53194ba8f0cd6f4b391513a024fa0c87db70a2abd27619fdcf395af.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 1332
  2⤵
  - Program crash
  PID:4588
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 1332
  2⤵
  - Program crash
  PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1840 -ip 1840
1⤵
PID:4564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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