oski | 885e52307f6adb37083352ef06cd26243612018731c6ec8914664506d11ea70c

Analysis

max time kernel
44s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01-09-2022 09:46

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General

Target

885E52307F6ADB37083352EF06CD26243612018731C6E.exe
Size

200KB
MD5

ecb3be33e7b9240e66f41548c625a126
SHA1

5b458380b287151ab79230902134f17cbecf099d
SHA256

885e52307f6adb37083352ef06cd26243612018731c6ec8914664506d11ea70c
SHA512

9f3849e1667fff93f5e223e65bb5b28fd3fe002db920002070306ef5f81dd8009e0f50ef6885e01adbac42efd863b2b7b1957b07c01630e61858d489fab9c8ee
SSDEEP

3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIQ1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pN51Ljo3c

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 1 IoCs

pid	pid_target	Process	procid_target
1500	1980	WerFault.exe	26

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 1500	1980	885E52307F6ADB37083352EF06CD26243612018731C6E.exe	29
PID 1980 wrote to memory of 1500	1980	885E52307F6ADB37083352EF06CD26243612018731C6E.exe	29
PID 1980 wrote to memory of 1500	1980	885E52307F6ADB37083352EF06CD26243612018731C6E.exe	29
PID 1980 wrote to memory of 1500	1980	885E52307F6ADB37083352EF06CD26243612018731C6E.exe	29

C:\Users\Admin\AppData\Local\Temp\885E52307F6ADB37083352EF06CD26243612018731C6E.exe
"C:\Users\Admin\AppData\Local\Temp\885E52307F6ADB37083352EF06CD26243612018731C6E.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 776
  2⤵
  - Program crash
  PID:1500

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/1980-54-0x0000000075A81000-0x0000000075A83000-memory.dmp

Filesize
8KB

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