Overview

overview

10

Static

static

18e2b4fb63...85.exe

windows7-x64

10

18e2b4fb63...85.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    18e2b4fb63b38a0d2441bfa6f2afa3c6494e4f85479505f7d228447720ac0485.bin

  • Size

    308KB

  • Sample

    220929-mklsaaaeb3

  • MD5

    be5881faee054826d32c90d47fed53ce

  • SHA1

    25c63bcb8353bd35a4fd28826a5dd959d73379b6

  • SHA256

    18e2b4fb63b38a0d2441bfa6f2afa3c6494e4f85479505f7d228447720ac0485

  • SHA512

    b7d15268a15eec00b1069c391d18406de850334e13653ecd87eb936001d1c02aa10e9f597bd181408f1f232ca212354b01defa5496ce9bfd89a8c9b0c3d881ce

  • SSDEEP

    6144:Bu8bleVTTURmXOu5OX/oX0e2AmSTCIr53qnsAvtgcmXDqWiQJ:M8STTUR6OuCgX0UmS9i16J

Score
10/10
oskiinfostealerspywarestealer

Malware Config

Extracted

Family

oski

C2

collegesboard.org

Targets

    • Target

      18e2b4fb63b38a0d2441bfa6f2afa3c6494e4f85479505f7d228447720ac0485.bin

    • Size

      308KB

    • MD5

      be5881faee054826d32c90d47fed53ce

    • SHA1

      25c63bcb8353bd35a4fd28826a5dd959d73379b6

    • SHA256

      18e2b4fb63b38a0d2441bfa6f2afa3c6494e4f85479505f7d228447720ac0485

    • SHA512

      b7d15268a15eec00b1069c391d18406de850334e13653ecd87eb936001d1c02aa10e9f597bd181408f1f232ca212354b01defa5496ce9bfd89a8c9b0c3d881ce

    • SSDEEP

      6144:Bu8bleVTTURmXOu5OX/oX0e2AmSTCIr53qnsAvtgcmXDqWiQJ:M8STTUR6OuCgX0UmS9i16J

    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

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks