Overview

overview

10

Static

static

10

2024-05-22...er.exe

windows7-x64

9

2024-05-22...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-22_7109bb392a2903e83b464765b9e01640_cryptolocker

  • Size

    81KB

  • Sample

    240522-zdasnaff3x

  • MD5

    7109bb392a2903e83b464765b9e01640

  • SHA1

    462665e893f3a6615f801644986f768c5f5fafaa

  • SHA256

    efd17599d639ef97aece1719ec89fd39904373c1971a4455ee587f18a0485887

  • SHA512

    2038fa2ef421679a9dd943f9596b10cfe2322428b8624314f8b28e149119373e82376f8b0af1e97b18da5552e15812333c29c7cb7f148986e529868d6db4092c

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QpSxI:zCsanOtEvwDpj9

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_7109bb392a2903e83b464765b9e01640_cryptolocker

    • Size

      81KB

    • MD5

      7109bb392a2903e83b464765b9e01640

    • SHA1

      462665e893f3a6615f801644986f768c5f5fafaa

    • SHA256

      efd17599d639ef97aece1719ec89fd39904373c1971a4455ee587f18a0485887

    • SHA512

      2038fa2ef421679a9dd943f9596b10cfe2322428b8624314f8b28e149119373e82376f8b0af1e97b18da5552e15812333c29c7cb7f148986e529868d6db4092c

    • SSDEEP

      1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QpSxI:zCsanOtEvwDpj9

    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

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks