Overview

overview

10

Static

static

Pvcjjru.exe

windows7_x64

10

Pvcjjru.exe

windows10_x64

10

Sharing

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General

  • Target

    Pvcjjru.exe

  • Size

    266KB

  • Sample

    210419-9cgrhs76qj

  • MD5

    6581f25476a8e4009877ba7498489ef6

  • SHA1

    dbacf300333c598ebd34e57228efc569cadee154

  • SHA256

    808910839d0446439d58dbff8bf7d36db24892fb0ebd018a9dcafc24ddd9d34c

  • SHA512

    11cbd153b5d1e53f8c758b616889fd6e2ce5f0e4533daa6c7fd04e41ae740a194378b12c3768ca62b5eb01d2a55f34fb99f28a42b8a7e9380d7b277b4b039add

Score
10/10
oskidiscoveryinfostealerpersistencespywarestealer

Malware Config

Extracted

Family

oski

C2

novget.com

Targets

    • Target

      Pvcjjru.exe

    • Size

      266KB

    • MD5

      6581f25476a8e4009877ba7498489ef6

    • SHA1

      dbacf300333c598ebd34e57228efc569cadee154

    • SHA256

      808910839d0446439d58dbff8bf7d36db24892fb0ebd018a9dcafc24ddd9d34c

    • SHA512

      11cbd153b5d1e53f8c758b616889fd6e2ce5f0e4533daa6c7fd04e41ae740a194378b12c3768ca62b5eb01d2a55f34fb99f28a42b8a7e9380d7b277b4b039add

    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