Overview

overview

10

Static

static

10

2024-04-06...er.exe

windows7-x64

9

2024-04-06...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-04-06_a026030e458bb8b93c235b7556405fe0_cryptolocker

  • Size

    31KB

  • Sample

    240406-b4bwmsgg2v

  • MD5

    a026030e458bb8b93c235b7556405fe0

  • SHA1

    d8afb9b724f8620ac12f6f788cce304a77bd2a3c

  • SHA256

    8ba547b391404b4884f0a61c28f50225f29cc9df3ecfcdbe715a6b977510cf07

  • SHA512

    8bfca29d1680a57730fd40e4485903b225e871a918dd1e9dd130db894a1dd440149bc1dde58b274c0b1718300b261ebb6e049b0709d391eee96856585f7a2a1d

  • SSDEEP

    768:bFPm5zusFUB2preAr+Ofjg0S16avdrQFiLjJvtn:bFPmpiif/oc+vn

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-06_a026030e458bb8b93c235b7556405fe0_cryptolocker

    • Size

      31KB

    • MD5

      a026030e458bb8b93c235b7556405fe0

    • SHA1

      d8afb9b724f8620ac12f6f788cce304a77bd2a3c

    • SHA256

      8ba547b391404b4884f0a61c28f50225f29cc9df3ecfcdbe715a6b977510cf07

    • SHA512

      8bfca29d1680a57730fd40e4485903b225e871a918dd1e9dd130db894a1dd440149bc1dde58b274c0b1718300b261ebb6e049b0709d391eee96856585f7a2a1d

    • SSDEEP

      768:bFPm5zusFUB2preAr+Ofjg0S16avdrQFiLjJvtn:bFPmpiif/oc+vn

    Score
    9/10
    upx

    • Detection of CryptoLocker Variants

    • UPX dump on OEP (original entry point)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks