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_c5452caa39a276d9f919cab0ac0ae112_cryptolocker

  • Size

    52KB

  • Sample

    240522-3fc8cadb21

  • MD5

    c5452caa39a276d9f919cab0ac0ae112

  • SHA1

    f4c3e2aa88e069fda0245ecdf00e9eec32c13353

  • SHA256

    727609a7662ef071dfcdac5f6da70bef6e00df00d980c72801b74d91d190a82c

  • SHA512

    73fccc2f75b0b4937e9878dc9f7887631b3fdeb8d29233c48df5f1621d1040494d6c01943a6b3ab98c3a6b7990313c66a8ddfe77952199182419f0da3469e79c

  • SSDEEP

    768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOn6:bODOw9acifAoc+vs6

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_c5452caa39a276d9f919cab0ac0ae112_cryptolocker

    • Size

      52KB

    • MD5

      c5452caa39a276d9f919cab0ac0ae112

    • SHA1

      f4c3e2aa88e069fda0245ecdf00e9eec32c13353

    • SHA256

      727609a7662ef071dfcdac5f6da70bef6e00df00d980c72801b74d91d190a82c

    • SHA512

      73fccc2f75b0b4937e9878dc9f7887631b3fdeb8d29233c48df5f1621d1040494d6c01943a6b3ab98c3a6b7990313c66a8ddfe77952199182419f0da3469e79c

    • SSDEEP

      768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOn6:bODOw9acifAoc+vs6

    Score
    9/10
    upx

    • Detection of CryptoLocker Variants

    • 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