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_c94b7e9380b052c82094168f55562656_cryptolocker

  • Size

    96KB

  • Sample

    240426-3geskafb7w

  • MD5

    c94b7e9380b052c82094168f55562656

  • SHA1

    0488f641d1b2777fa0402b71cb93a2b02f03b795

  • SHA256

    f2632adfd031976bd10ebc8ccaf2ff19983546bfe7c1bb38218618d807f596a7

  • SHA512

    00760d12cab86d73000685b240b72ff77d6a0a2a5f1df02ae01e2dc8aa5aabc5bad60ca3f4ff8c2163d6df358186d6b89b4b8d53e895971d28db3a66eaac73cb

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bl:zCsanOtEvwDpjBR

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_c94b7e9380b052c82094168f55562656_cryptolocker

    • Size

      96KB

    • MD5

      c94b7e9380b052c82094168f55562656

    • SHA1

      0488f641d1b2777fa0402b71cb93a2b02f03b795

    • SHA256

      f2632adfd031976bd10ebc8ccaf2ff19983546bfe7c1bb38218618d807f596a7

    • SHA512

      00760d12cab86d73000685b240b72ff77d6a0a2a5f1df02ae01e2dc8aa5aabc5bad60ca3f4ff8c2163d6df358186d6b89b4b8d53e895971d28db3a66eaac73cb

    • SSDEEP

      1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bl:zCsanOtEvwDpjBR

    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