Overview

overview

10

Static

static

10

2024-04-26...er.exe

windows7-x64

9

2024-04-26...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-04-26_99c96f0d61b9db2078f8d6451c834f75_cryptolocker

  • Size

    52KB

  • Sample

    240426-3fgkrsec53

  • MD5

    99c96f0d61b9db2078f8d6451c834f75

  • SHA1

    37c30094bcc1c854cdd54774e6ac13dd9eabc6e7

  • SHA256

    a100c05ae2767a1d5f78332c058e92d2b51c825458fa8f419f4a1e3c66a733be

  • SHA512

    dbd9c0a79bd44c70c75a6404dd4407ed361f65914af92936ce429a21e94f1e8c2a023fa2377800cae07d130160e76f88a71c128ce54c8ce35167467685720607

  • SSDEEP

    768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOP:z6QFElP6n+gKmddpMOtEvwDpj31iP

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_99c96f0d61b9db2078f8d6451c834f75_cryptolocker

    • Size

      52KB

    • MD5

      99c96f0d61b9db2078f8d6451c834f75

    • SHA1

      37c30094bcc1c854cdd54774e6ac13dd9eabc6e7

    • SHA256

      a100c05ae2767a1d5f78332c058e92d2b51c825458fa8f419f4a1e3c66a733be

    • SHA512

      dbd9c0a79bd44c70c75a6404dd4407ed361f65914af92936ce429a21e94f1e8c2a023fa2377800cae07d130160e76f88a71c128ce54c8ce35167467685720607

    • SSDEEP

      768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOP:z6QFElP6n+gKmddpMOtEvwDpj31iP

    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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks