Overview

overview

10

Static

static

10

2024-04-27...er.exe

windows7-x64

9

2024-04-27...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-04-27_0e3d13aaff3ef7d0ee038ace59ff4bcc_cryptolocker

  • Size

    38KB

  • Sample

    240427-2a8avshh27

  • MD5

    0e3d13aaff3ef7d0ee038ace59ff4bcc

  • SHA1

    e519ae91ff709b390fbe97dce870f9d5139bfcd3

  • SHA256

    8d8db10f6abeb6e7cb00a37dbfee83a14c81313552477ca78de1928f378b531f

  • SHA512

    2ebb62fbbfaf4249164c37a09f83df89a197462f48a44ce8d3136d335d8eadc281782930a0348925f35c17b54a87cd91239fd0da54cb4d3f863041baba6acf4e

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY8:qDdFJy3QMOtEvwDpjjWMl7TZ

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-27_0e3d13aaff3ef7d0ee038ace59ff4bcc_cryptolocker

    • Size

      38KB

    • MD5

      0e3d13aaff3ef7d0ee038ace59ff4bcc

    • SHA1

      e519ae91ff709b390fbe97dce870f9d5139bfcd3

    • SHA256

      8d8db10f6abeb6e7cb00a37dbfee83a14c81313552477ca78de1928f378b531f

    • SHA512

      2ebb62fbbfaf4249164c37a09f83df89a197462f48a44ce8d3136d335d8eadc281782930a0348925f35c17b54a87cd91239fd0da54cb4d3f863041baba6acf4e

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY8:qDdFJy3QMOtEvwDpjjWMl7TZ

    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