oski | 1d1162aee2c0449d7108d57133fc0f320d86c515285f29538feecb665401aa72

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 02:27

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General

Target

2025-01-04_b91ff67f0d64fca39222fc9ca3e432b8_karagany_mafia.exe
Size

200KB
MD5

b91ff67f0d64fca39222fc9ca3e432b8
SHA1

af4b7c8c33e9a3c1c43d1965117bbaf26ddf3dde
SHA256

1d1162aee2c0449d7108d57133fc0f320d86c515285f29538feecb665401aa72
SHA512

1dbe151185f76a99d622ec0db11e3c0989f639209bd8555bc0d8e7d4f2162dff54fb0cb5c84f57fa34fbd111b30f88f6b52ddd13d6a74cbcb6db70984bc44826
SSDEEP

3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIv1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pNS1Ljo3c

Score

10^/10

oski discovery infostealer spyware stealer

Malware Config

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Oski family
oski
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2788	2512	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-04_b91ff67f0d64fca39222fc9ca3e432b8_karagany_mafia.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2788	2512	2025-01-04_b91ff67f0d64fca39222fc9ca3e432b8_karagany_mafia.exe	33
PID 2512 wrote to memory of 2788	2512	2025-01-04_b91ff67f0d64fca39222fc9ca3e432b8_karagany_mafia.exe	33
PID 2512 wrote to memory of 2788	2512	2025-01-04_b91ff67f0d64fca39222fc9ca3e432b8_karagany_mafia.exe	33
PID 2512 wrote to memory of 2788	2512	2025-01-04_b91ff67f0d64fca39222fc9ca3e432b8_karagany_mafia.exe	33

C:\Users\Admin\AppData\Local\Temp\2025-01-04_b91ff67f0d64fca39222fc9ca3e432b8_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-04_b91ff67f0d64fca39222fc9ca3e432b8_karagany_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 940
  2⤵
  - Program crash
  PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

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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