Overview

overview

10

Static

static

Purchase O...21.exe

windows7_x64

10

Purchase O...21.exe

windows10_x64

10

Sharing

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General

  • Target

    Purchase Order 07052021.exe

  • Size

    715KB

  • Sample

    210507-vlczpcb5z2

  • MD5

    5c71ba785015365d371ac1f21072fa23

  • SHA1

    0b7ca3cdf7cf3c3a6ccd34ac2c610b0757748697

  • SHA256

    3e7063017d638a0ae77d3576ffe9fc6c2c8e48235e010b35b697eb944c79cad1

  • SHA512

    f2f4b845edd797d2c4bba32a319331f55c1175dedfeb3d8d59e9d54271a150bbf3f2d4bff6fcb2deb8ee4a122141cad0368650dbb6d0fe8544d716001c8d0c8f

Score
10/10
oskidiscoveryinfostealerspywarestealer

Malware Config

Extracted

Family

oski

C2

209.141.49.199

Targets

    • Target

      Purchase Order 07052021.exe

    • Size

      715KB

    • MD5

      5c71ba785015365d371ac1f21072fa23

    • SHA1

      0b7ca3cdf7cf3c3a6ccd34ac2c610b0757748697

    • SHA256

      3e7063017d638a0ae77d3576ffe9fc6c2c8e48235e010b35b697eb944c79cad1

    • SHA512

      f2f4b845edd797d2c4bba32a319331f55c1175dedfeb3d8d59e9d54271a150bbf3f2d4bff6fcb2deb8ee4a122141cad0368650dbb6d0fe8544d716001c8d0c8f

    Score
    10/10
    oskidiscoveryinfostealerspywarestealer

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • Downloads MZ/PE file

    • 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