oski | c503d50ec3598bae502fb5600748e1b05173b8e32d99e329c1d82bf019df7e3d

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28-03-2024 15:17

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General

Target

fb9b940ffe27e744eeeaef3d1a2805ce205668274bdabc3a30863b016ad47f27.exe
Size

216KB
MD5

4bad60b9f9b806983c07ab47306ce6b0
SHA1

e4e1ac94ceaff5afb2d271e61ce28029fa01eae0
SHA256

fb9b940ffe27e744eeeaef3d1a2805ce205668274bdabc3a30863b016ad47f27
SHA512

1af5f7b7581dca68f7d4ce82689849dac08e073b689bec084300ba17beef6856353c1a8a4cff6cf453d2b18ca95c6fd82dd20f4f81ff2d527b73a7bd9d655fff
SSDEEP

3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIH1Xi6FLPo3clJ2v:WfUauY68uSWCx+XA7mg2pNS1Ljo3cf2

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
2640	1392	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 2640	1392	fb9b940ffe27e744eeeaef3d1a2805ce205668274bdabc3a30863b016ad47f27.exe	30
PID 1392 wrote to memory of 2640	1392	fb9b940ffe27e744eeeaef3d1a2805ce205668274bdabc3a30863b016ad47f27.exe	30
PID 1392 wrote to memory of 2640	1392	fb9b940ffe27e744eeeaef3d1a2805ce205668274bdabc3a30863b016ad47f27.exe	30
PID 1392 wrote to memory of 2640	1392	fb9b940ffe27e744eeeaef3d1a2805ce205668274bdabc3a30863b016ad47f27.exe	30

C:\Users\Admin\AppData\Local\Temp\fb9b940ffe27e744eeeaef3d1a2805ce205668274bdabc3a30863b016ad47f27.exe
"C:\Users\Admin\AppData\Local\Temp\fb9b940ffe27e744eeeaef3d1a2805ce205668274bdabc3a30863b016ad47f27.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1392 -s 768
  2⤵
  - Program crash
  PID:2640

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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