Overview

overview

10

Static

static

IMG053110579.exe

windows7_x64

10

IMG053110579.exe

windows10_x64

10

Sharing

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General

  • Target

    IMG053110579.exe

  • Size

    263KB

  • Sample

    210507-rfjz35a3j2

  • MD5

    8ff3cd20c7ca5a373dc7b988e2668bb5

  • SHA1

    a278ea762a0ade0c58ad49e9aa15075ef61e592c

  • SHA256

    5f55898f4f260025ec6507f92ed128dcd90f5f83d14b507282352f4c79fb71bc

  • SHA512

    38e230b2a08e4ba51f64d8d3d05adf0b4546ef7675932309983b8162653585312f92202d8ca0d3901585756061d3fdf27aa8b3355bd3f5ca6727148e81051b56

Score
10/10
oskidiscoveryinfostealerspywarestealer

Malware Config

Extracted

Family

oski

C2

209.141.40.19

Targets

    • Target

      IMG053110579.exe

    • Size

      263KB

    • MD5

      8ff3cd20c7ca5a373dc7b988e2668bb5

    • SHA1

      a278ea762a0ade0c58ad49e9aa15075ef61e592c

    • SHA256

      5f55898f4f260025ec6507f92ed128dcd90f5f83d14b507282352f4c79fb71bc

    • SHA512

      38e230b2a08e4ba51f64d8d3d05adf0b4546ef7675932309983b8162653585312f92202d8ca0d3901585756061d3fdf27aa8b3355bd3f5ca6727148e81051b56

    Score
    10/10
    oskidiscoveryinfostealerspywarestealer

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • Downloads MZ/PE file

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Tasks