Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-23_432555650bff65ebdddf98bd61355549_cryptolocker

  • Size

    78KB

  • Sample

    240523-cyc27aag79

  • MD5

    432555650bff65ebdddf98bd61355549

  • SHA1

    8fccf408ac99e38887dbe6d402eba588ee8b83d5

  • SHA256

    5fa9f0b2817cd7cbb7c8e2f73c1c26eb4267a004a1d394e52defb1a15b68b086

  • SHA512

    f23145857920fa41ba5b2781f267db6dad5d4ef6bfc68482c9ee4f3d065a27b13be6878b465dbe25c50ddf759cb4c4cf29271748f296a5de4f642f14e4108004

  • SSDEEP

    1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1Z:T6a+rdOOtEvwDpjNtHPO

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_432555650bff65ebdddf98bd61355549_cryptolocker

    • Size

      78KB

    • MD5

      432555650bff65ebdddf98bd61355549

    • SHA1

      8fccf408ac99e38887dbe6d402eba588ee8b83d5

    • SHA256

      5fa9f0b2817cd7cbb7c8e2f73c1c26eb4267a004a1d394e52defb1a15b68b086

    • SHA512

      f23145857920fa41ba5b2781f267db6dad5d4ef6bfc68482c9ee4f3d065a27b13be6878b465dbe25c50ddf759cb4c4cf29271748f296a5de4f642f14e4108004

    • SSDEEP

      1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1Z:T6a+rdOOtEvwDpjNtHPO

    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