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_7f0a31384a847bbf23d03932810af346_cryptolocker

  • Size

    38KB

  • Sample

    240426-3exwcsfb4y

  • MD5

    7f0a31384a847bbf23d03932810af346

  • SHA1

    70968f4ae9487682aa1149408d13972db054acc3

  • SHA256

    7c7855c73e0dc2c392b65c735b31ba0355f5a4475129d3ff810664602e3e16b5

  • SHA512

    0d0572ae2d3bcbf74d9044d76671a9ebd3917e58af413be6d05333145ee23c02635f0d0fa7d45ad062f7d1b074b43da18dcc88b954cfb9bb4dab3556c02ed0a0

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYW:qDdFJy3QMOtEvwDpjjWMl7T3

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_7f0a31384a847bbf23d03932810af346_cryptolocker

    • Size

      38KB

    • MD5

      7f0a31384a847bbf23d03932810af346

    • SHA1

      70968f4ae9487682aa1149408d13972db054acc3

    • SHA256

      7c7855c73e0dc2c392b65c735b31ba0355f5a4475129d3ff810664602e3e16b5

    • SHA512

      0d0572ae2d3bcbf74d9044d76671a9ebd3917e58af413be6d05333145ee23c02635f0d0fa7d45ad062f7d1b074b43da18dcc88b954cfb9bb4dab3556c02ed0a0

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYW:qDdFJy3QMOtEvwDpjjWMl7T3

    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