Overview

overview

10

Static

static

10

2024-04-21...er.exe

windows7-x64

9

2024-04-21...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-04-21_a187fb61a71435098909aa9a5a4537ca_cryptolocker

  • Size

    72KB

  • Sample

    240421-a1ebxsec87

  • MD5

    a187fb61a71435098909aa9a5a4537ca

  • SHA1

    5f07eab42564c13d0b7958489c6dc9c12354951d

  • SHA256

    cd77ea721eda7eebe00bdaeb1ade8241f9b770eab50cb317f22fac3541946164

  • SHA512

    bb3160667b17070de874a507ac61aa92592feb2db88c81b4c51ca8a8c6f64e80aaf0f75cd80ef848e3d0935f1907a18b11f2cb2a0ec3d13a5243a28166de0b2e

  • SSDEEP

    1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBz:z6a+CdOOtEvwDpjQx

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-21_a187fb61a71435098909aa9a5a4537ca_cryptolocker

    • Size

      72KB

    • MD5

      a187fb61a71435098909aa9a5a4537ca

    • SHA1

      5f07eab42564c13d0b7958489c6dc9c12354951d

    • SHA256

      cd77ea721eda7eebe00bdaeb1ade8241f9b770eab50cb317f22fac3541946164

    • SHA512

      bb3160667b17070de874a507ac61aa92592feb2db88c81b4c51ca8a8c6f64e80aaf0f75cd80ef848e3d0935f1907a18b11f2cb2a0ec3d13a5243a28166de0b2e

    • SSDEEP

      1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBz:z6a+CdOOtEvwDpjQx

    Score
    9/10
    upx

    • Detection of CryptoLocker Variants

    • Detection of Cryptolocker Samples

    • 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