Overview

overview

10

Static

static

9b3da318b8...c4.exe

windows7_x64

10

9b3da318b8...c4.exe

windows10_x64

10

Sharing

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General

  • Target

    9b3da318b86a4bf8b36aca1ea75841e5fc03a57eb500d3379847573e7546a4c4

  • Size

    449KB

  • Sample

    201106-vfhd6xc9ss

  • MD5

    f20f5ad4b8d13a4fb00275480075d145

  • SHA1

    0d97a9ec2707a86144836765a64a91e9a04f08ae

  • SHA256

    9b3da318b86a4bf8b36aca1ea75841e5fc03a57eb500d3379847573e7546a4c4

  • SHA512

    cac8ac52eb088448db62b4880917e14214f52d6e8492618145cf87cb3a2771352e554107a6ed184eb5e9fcfd9fe730d5ac92a37c7f4801dd37f7ed76cccc367b

Score
10/10
oskistormkittydiscoveryinfostealerspywarestealervmprotect

Malware Config

Extracted

Family

oski

C2

web24host.com/a/a/www/

Targets

    • Target

      9b3da318b86a4bf8b36aca1ea75841e5fc03a57eb500d3379847573e7546a4c4

    • Size

      449KB

    • MD5

      f20f5ad4b8d13a4fb00275480075d145

    • SHA1

      0d97a9ec2707a86144836765a64a91e9a04f08ae

    • SHA256

      9b3da318b86a4bf8b36aca1ea75841e5fc03a57eb500d3379847573e7546a4c4

    • SHA512

      cac8ac52eb088448db62b4880917e14214f52d6e8492618145cf87cb3a2771352e554107a6ed184eb5e9fcfd9fe730d5ac92a37c7f4801dd37f7ed76cccc367b

    Score
    10/10
    oskistormkittydiscoveryinfostealerspywarestealervmprotect

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • StormKitty

      StormKitty is an open source info stealer written in C#.

      stealerstormkitty

    • StormKitty Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

      vmprotect

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    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