Overview

overview

10

Static

static

purchase o...nt.exe

windows7_x64

10

purchase o...nt.exe

windows10_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    purchase order acknowledgement.exe

  • Size

    828KB

  • Sample

    210503-h1arehsjtn

  • MD5

    2756cff6b7da163940d5157bf9df7ece

  • SHA1

    6665087ac729b5c9dc9dc9e920513b07794fbce6

  • SHA256

    a9e2cff74c2afe7a6d87d7cb25bc41f044f8b492541729fb1503408b7ede6fa2

  • SHA512

    3bc6544a70797079b85f06489fb213ad820612e1d25f069384a09b5e8e63107f30ef9fbe5da70c10e2d91767f746425a002552fd2d41b11095982241537914a3

Score
10/10
oskidiscoveryinfostealerspywarestealer

Malware Config

Extracted

Family

oski

C2

31.210.21.181

Targets

    • Target

      purchase order acknowledgement.exe

    • Size

      828KB

    • MD5

      2756cff6b7da163940d5157bf9df7ece

    • SHA1

      6665087ac729b5c9dc9dc9e920513b07794fbce6

    • SHA256

      a9e2cff74c2afe7a6d87d7cb25bc41f044f8b492541729fb1503408b7ede6fa2

    • SHA512

      3bc6544a70797079b85f06489fb213ad820612e1d25f069384a09b5e8e63107f30ef9fbe5da70c10e2d91767f746425a002552fd2d41b11095982241537914a3

    Score
    10/10
    oskidiscoveryinfostealerspywarestealer

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • 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

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