Overview

overview

10

Static

static

4ac1f3c7d6...fc.exe

windows7-x64

10

4ac1f3c7d6...fc.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4ac1f3c7d6751d5f161f82483bbcf27b795d3b205391acbde576094da81badfc.bin

  • Size

    4.8MB

  • Sample

    220929-mkvp7abedk

  • MD5

    e20c33f2403cd0bc0b8cf425586ef01c

  • SHA1

    0d55b0167cffeaaea07493b5ff3b0ca3e54d67c5

  • SHA256

    4ac1f3c7d6751d5f161f82483bbcf27b795d3b205391acbde576094da81badfc

  • SHA512

    2308573c4b9277dbcf7cc93511ff9ecbc3340edb20c86772aa0a326e5c6621abc4b770d59e479af55f5ae0f011203b42048d43387eae500da31a85b9831cbb14

  • SSDEEP

    98304:83ReZRsg6m4bZTqS1CGjqc9kfqfVhJaI/M4KBMzWOBfB+sV7q3R2u5I:KUs3mir1CzCSSM4zKI7q4Z

Score
10/10
oskiinfostealerspywarestealer

Malware Config

Extracted

Family

oski

C2

rgjeweller.mu/oski/

Targets

    • Target

      4ac1f3c7d6751d5f161f82483bbcf27b795d3b205391acbde576094da81badfc.bin

    • Size

      4.8MB

    • MD5

      e20c33f2403cd0bc0b8cf425586ef01c

    • SHA1

      0d55b0167cffeaaea07493b5ff3b0ca3e54d67c5

    • SHA256

      4ac1f3c7d6751d5f161f82483bbcf27b795d3b205391acbde576094da81badfc

    • SHA512

      2308573c4b9277dbcf7cc93511ff9ecbc3340edb20c86772aa0a326e5c6621abc4b770d59e479af55f5ae0f011203b42048d43387eae500da31a85b9831cbb14

    • SSDEEP

      98304:83ReZRsg6m4bZTqS1CGjqc9kfqfVhJaI/M4KBMzWOBfB+sV7q3R2u5I:KUs3mir1CzCSSM4zKI7q4Z

    Score
    10/10
    oskiinfostealerspywarestealer

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks