Overview

overview

10

Static

static

10

2024-04-26...er.exe

windows7-x64

9

2024-04-26...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-04-26_7e932a6bf3d3ea15ad14345e98c4f9ac_cryptolocker

  • Size

    89KB

  • Sample

    240426-3ethyafb4v

  • MD5

    7e932a6bf3d3ea15ad14345e98c4f9ac

  • SHA1

    aa30b0b1491d3b1c9e37a7813a58307ddead6805

  • SHA256

    0b74b97bf2278cade2ac8a0db7120f2b576883c73d6c5ffd9fa4886f2d74c83f

  • SHA512

    e27ada84c0fda10efa2424c7a9d57443cc356a6cd59d34a3967d59aecc58b6ef2253ad76e37d098c8f38af06b5444a1f41824d272aad54c20bdc475a5c98a827

  • SSDEEP

    1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAAT:n6a+1SEOtEvwDpjYYvQd2Pc

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_7e932a6bf3d3ea15ad14345e98c4f9ac_cryptolocker

    • Size

      89KB

    • MD5

      7e932a6bf3d3ea15ad14345e98c4f9ac

    • SHA1

      aa30b0b1491d3b1c9e37a7813a58307ddead6805

    • SHA256

      0b74b97bf2278cade2ac8a0db7120f2b576883c73d6c5ffd9fa4886f2d74c83f

    • SHA512

      e27ada84c0fda10efa2424c7a9d57443cc356a6cd59d34a3967d59aecc58b6ef2253ad76e37d098c8f38af06b5444a1f41824d272aad54c20bdc475a5c98a827

    • SSDEEP

      1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAAT:n6a+1SEOtEvwDpjYYvQd2Pc

    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