Overview

overview

10

Static

static

2.exe

windows7_x64

10

2.exe

windows10_x64

10

Sharing

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General

  • Target

    2.exe

  • Size

    448KB

  • Sample

    210421-ch59g1mj56

  • MD5

    69c5f316be3b4a3f9fc60f7a3a1605fe

  • SHA1

    dff8d987fc00ff73f38f0f7af674177cab529110

  • SHA256

    1e9fe4ead1434548d7c9c9b43fed8c63134a17159e0d99980ab7c6233149befe

  • SHA512

    60e8a07f7e38110e3a2bafcca272db820080480048cae420d735626fb4a476e5c980dc367dc0e1b82a6d5aea1c391b562ca71682b6668ccc27ed523e0e3951ba

Score
10/10
oskidiscoveryinfostealerpersistencespywarestealer

Malware Config

Extracted

Family

oski

C2

osiq.club

Targets

    • Target

      2.exe

    • Size

      448KB

    • MD5

      69c5f316be3b4a3f9fc60f7a3a1605fe

    • SHA1

      dff8d987fc00ff73f38f0f7af674177cab529110

    • SHA256

      1e9fe4ead1434548d7c9c9b43fed8c63134a17159e0d99980ab7c6233149befe

    • SHA512

      60e8a07f7e38110e3a2bafcca272db820080480048cae420d735626fb4a476e5c980dc367dc0e1b82a6d5aea1c391b562ca71682b6668ccc27ed523e0e3951ba

    Score
    10/10
    oskidiscoveryinfostealerpersistencespywarestealer

    • 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

    • Adds Run key to start application

      persistence

    • 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

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

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