oski | 8d077a0d7f1314e5dbc94ffab6abc2910f6de23b40949a98fadb2da5cdbb138a

Analysis

max time kernel
186s
max time network
205s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
31/07/2022, 05:08

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General

Target

8d077a0d7f1314e5dbc94ffab6abc2910f6de23b40949a98fadb2da5cdbb138a.exe
Size

568KB
MD5

663461423d2e2d5e87f1a5d25adfa9c9
SHA1

3115f91132ccde87cbb6f1f762f58c7d0551f11a
SHA256

8d077a0d7f1314e5dbc94ffab6abc2910f6de23b40949a98fadb2da5cdbb138a
SHA512

3503985021ccadfe446cc7ec27274176781e4914bb02e2ef9dc7c5e8412f404860b12a7bbe9e6b549bd5dad1bef32f4fa55949093ea3404cb775493372ee4ae2

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3516	116	WerFault.exe	80
4700	116	WerFault.exe	80

C:\Users\Admin\AppData\Local\Temp\8d077a0d7f1314e5dbc94ffab6abc2910f6de23b40949a98fadb2da5cdbb138a.exe
"C:\Users\Admin\AppData\Local\Temp\8d077a0d7f1314e5dbc94ffab6abc2910f6de23b40949a98fadb2da5cdbb138a.exe"
1⤵
PID:116
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 1056
  2⤵
  - Program crash
  PID:3516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 1040
  2⤵
  - Program crash
  PID:4700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 116 -ip 116
1⤵
PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 116 -ip 116
1⤵
PID:1272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/116-130-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/116-131-0x00000000033E0000-0x0000000003413000-memory.dmp

Filesize
204KB

Download
memory/116-132-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download