oski | 69f41c2c444cd2147188d547c5edd6a4a8e2f238df52e1709dc7bb1066232ecc

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 11:29

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General

Target
345e98e236be7ff4c4943c2fe64d4a5d.exe
Size 200KB
Sample231231-nlynxaeear
SHA256 69f41c2c444cd2147188d547c5edd6a4a8e2f238df52e1709dc7bb1066232ecc
MD5 345e98e236be7ff4c4943c2fe64d4a5d
SHA1 62d6c63921c4d8346f0e4d9ebead6a89799fc62d
SHA512 77cf59a04f3920d9d79dc7912a32d56f630753d8fac4c77efeb8f1b42ba914ba9e6980e11bf1b393760cd57e59e9cd2676ddb6db9fda6fe6c9d111b9adb0d68f
SSDEEP 3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIx1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pNQ1Ljo3c
MD5 SHA1 SHA512 SSDEEP

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
T1552.001

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2884	2204	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2884	2204	345e98e236be7ff4c4943c2fe64d4a5d.exe	29
PID 2204 wrote to memory of 2884	2204	345e98e236be7ff4c4943c2fe64d4a5d.exe	29
PID 2204 wrote to memory of 2884	2204	345e98e236be7ff4c4943c2fe64d4a5d.exe	29
PID 2204 wrote to memory of 2884	2204	345e98e236be7ff4c4943c2fe64d4a5d.exe	29

C:\Users\Admin\AppData\Local\Temp\345e98e236be7ff4c4943c2fe64d4a5d.exe
"C:\Users\Admin\AppData\Local\Temp\345e98e236be7ff4c4943c2fe64d4a5d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 876
  2⤵
  - Program crash
  PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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