oski | caf1bf6339d21c8bf3451420e78097bf7c8fa0a6baad42afa9a4f32981864120

Analysis

max time kernel
29s
max time network
48s
platform
windows7_x64
resource
win7-20220414-en
submitted
01-07-2022 04:12

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General

Target

caf1bf6339d21c8bf3451420e78097bf7c8fa0a6baad42afa9a4f32981864120.exe
Size

293KB
MD5

a0d0319e501904cd74e51782e1ab74f9
SHA1

b8f7c45ecf8aaabccff860356f03ef02b65f12f6
SHA256

caf1bf6339d21c8bf3451420e78097bf7c8fa0a6baad42afa9a4f32981864120
SHA512

3cc308094f4dbacd5f9aabc45d074e0b0af08676a694cb2e2898d1880646b22a0b64bbc0211ebf53fea7e6de34c631df6d5632c834298e432f804f7b8f593f10

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

ivchenkosvetlana.online

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 1 IoCs

pid	pid_target	Process	procid_target
576	2024	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 576	2024	caf1bf6339d21c8bf3451420e78097bf7c8fa0a6baad42afa9a4f32981864120.exe	30
PID 2024 wrote to memory of 576	2024	caf1bf6339d21c8bf3451420e78097bf7c8fa0a6baad42afa9a4f32981864120.exe	30
PID 2024 wrote to memory of 576	2024	caf1bf6339d21c8bf3451420e78097bf7c8fa0a6baad42afa9a4f32981864120.exe	30
PID 2024 wrote to memory of 576	2024	caf1bf6339d21c8bf3451420e78097bf7c8fa0a6baad42afa9a4f32981864120.exe	30

C:\Users\Admin\AppData\Local\Temp\caf1bf6339d21c8bf3451420e78097bf7c8fa0a6baad42afa9a4f32981864120.exe
"C:\Users\Admin\AppData\Local\Temp\caf1bf6339d21c8bf3451420e78097bf7c8fa0a6baad42afa9a4f32981864120.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 860
  2⤵
  - Program crash
  PID:576

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

Replay Monitor

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Downloads

memory/2024-54-0x0000000075B71000-0x0000000075B73000-memory.dmp

Filesize
8KB

Download
memory/2024-55-0x000000000028B000-0x00000000002A6000-memory.dmp

Filesize
108KB

Download
memory/2024-56-0x0000000000480000-0x00000000004B0000-memory.dmp

Filesize
192KB

Download
memory/2024-57-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download