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_79812cd4473f1692ab1dd72c07aee83b_cryptolocker

  • Size

    78KB

  • Sample

    240523-c1y3faag2v

  • MD5

    79812cd4473f1692ab1dd72c07aee83b

  • SHA1

    b04a89e3c277b9b169e8ce5dbf91b125a698bbd3

  • SHA256

    c2dd730e5a16b0ee55ced6869351ad49f4a640d4ce674bf9bf82e3fff45f0eff

  • SHA512

    38739ced536290583e070d2dadb584700bd6f2bb4c628269744c2e6f96afe5e06e301b1d930443c10036b66375c09b1cb0e0717563d5b0c3086f12a02279b7fb

  • SSDEEP

    1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1Fe:T6a+rdOOtEvwDpjNtHPr

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_79812cd4473f1692ab1dd72c07aee83b_cryptolocker

    • Size

      78KB

    • MD5

      79812cd4473f1692ab1dd72c07aee83b

    • SHA1

      b04a89e3c277b9b169e8ce5dbf91b125a698bbd3

    • SHA256

      c2dd730e5a16b0ee55ced6869351ad49f4a640d4ce674bf9bf82e3fff45f0eff

    • SHA512

      38739ced536290583e070d2dadb584700bd6f2bb4c628269744c2e6f96afe5e06e301b1d930443c10036b66375c09b1cb0e0717563d5b0c3086f12a02279b7fb

    • SSDEEP

      1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1Fe:T6a+rdOOtEvwDpjNtHPr

    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