General

  • Target

    https://www.upload.ee/files/14365900/Oski_Stealer.rar.html

  • Sample

    220916-ve5bfacabn

Malware Config

Extracted

Family

oski

C2

62.77.159.212

panel.com

Targets

    • Target

      https://www.upload.ee/files/14365900/Oski_Stealer.rar.html

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks