oski | 315c52da5e4e63b6f1fe534bb94c092ca45280408854c23abbf23697ddd2e406

Analysis

max time kernel
31s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
01-03-2023 00:26

Target

315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe
Size

200KB
MD5

d3287d935adf25f31d05f9b9e949e3e6
SHA1

fd37221e82f5cc8ecba3eb1767e6ae1f29cee8db
SHA256

315c52da5e4e63b6f1fe534bb94c092ca45280408854c23abbf23697ddd2e406
SHA512

125fc90510ded9092bfc4d3bee466ad17e2d78f49cbe1cd5a32b6947ad870432e856a0a461ca53a6088a1844055636b0de91fabce8fe2c0088c9be91cba82f94
SSDEEP

3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIg1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pNJ1Ljo3c

Score

10^/10

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
1524	1716	WerFault.exe	26

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 1524	1716	315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe	29
PID 1716 wrote to memory of 1524	1716	315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe	29
PID 1716 wrote to memory of 1524	1716	315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe	29
PID 1716 wrote to memory of 1524	1716	315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe	29

C:\Users\Admin\AppData\Local\Temp\315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe
"C:\Users\Admin\AppData\Local\Temp\315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 748
  2⤵
  - Program crash
  PID:1524

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact