Overview

overview

10

Static

static

statement.doc

windows7_x64

10

statement.doc

windows10_x64

1

Sharing

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General

  • Target

    statement.doc

  • Size

    15KB

  • Sample

    211207-nke56sghfn

  • MD5

    e6f108d6d7cf1d0e0c4fd34c5bc1f42e

  • SHA1

    938c44cedd8b1a15f69448a5c4c7790a3bff8426

  • SHA256

    ce6e03397d462d0a91e4a87e343c1b85d1578e4d1ca492c183f3d1b38e8bf9b2

  • SHA512

    b17b52e8ba0c4f9f9d1d23693ba8d9e22dbfee21c0ef0285b2fe8c3432cb3aaeb21600da1fdbca87fb092ac829f2a14e2c77985a6032a48963b730811e0c313c

Score
10/10
oskidiscoveryinfostealerspywarestealer

Malware Config

Extracted

Family

oski

C2

oilproduce.xyz

Targets

    • Target

      statement.doc

    • Size

      15KB

    • MD5

      e6f108d6d7cf1d0e0c4fd34c5bc1f42e

    • SHA1

      938c44cedd8b1a15f69448a5c4c7790a3bff8426

    • SHA256

      ce6e03397d462d0a91e4a87e343c1b85d1578e4d1ca492c183f3d1b38e8bf9b2

    • SHA512

      b17b52e8ba0c4f9f9d1d23693ba8d9e22dbfee21c0ef0285b2fe8c3432cb3aaeb21600da1fdbca87fb092ac829f2a14e2c77985a6032a48963b730811e0c313c

    Score
    10/10
    oskidiscoveryinfostealerspywarestealer

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

Exploitation for Client Execution

1
T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Tasks