Overview

overview

10

Static

static

10

2024-02-12...er.exe

windows7-x64

9

2024-02-12...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-02-12_b79a4e75df2da2815132a6cbaf923cfb_cryptolocker

  • Size

    80KB

  • Sample

    240212-y19d3adb99

  • MD5

    b79a4e75df2da2815132a6cbaf923cfb

  • SHA1

    87a5f71ae9bf8b3a0460834ab931d206e4976186

  • SHA256

    41418def11f5b00dd2d4d4e70798f5c9d5dd92c41db66043d1354697b770deb2

  • SHA512

    7ee549311b2eb6e98f02eb0046148cf9a7e00c035ec4394aeee8dce5acb7ff3895d82235b33fe705ac459992ae49f56cfaad1c376bcce2d8a3ea6d157fee6f67

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky2fs:zCsanOtEvwDpj6

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-02-12_b79a4e75df2da2815132a6cbaf923cfb_cryptolocker

    • Size

      80KB

    • MD5

      b79a4e75df2da2815132a6cbaf923cfb

    • SHA1

      87a5f71ae9bf8b3a0460834ab931d206e4976186

    • SHA256

      41418def11f5b00dd2d4d4e70798f5c9d5dd92c41db66043d1354697b770deb2

    • SHA512

      7ee549311b2eb6e98f02eb0046148cf9a7e00c035ec4394aeee8dce5acb7ff3895d82235b33fe705ac459992ae49f56cfaad1c376bcce2d8a3ea6d157fee6f67

    • SSDEEP

      1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky2fs:zCsanOtEvwDpj6

    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