Overview

overview

10

Static

static

10

2024-04-03...er.exe

windows7-x64

9

2024-04-03...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-04-03_22d113d62ab696fef92633d4c323b0a2_cryptolocker

  • Size

    64KB

  • Sample

    240403-hgmg7aag72

  • MD5

    22d113d62ab696fef92633d4c323b0a2

  • SHA1

    aa5584ee9416c40cc61b0605e55a18a83dbebaf1

  • SHA256

    b00db3349524c48501690cb819a95952f63899a89a1d1fdf69d103db58614a82

  • SHA512

    d03cf4c9cb0163f969a33b276faabe95dcf022ff6a80e8d18f2e160ba815595c7cc77f278523c736dc4ae5ec11c3126e32b26f178e26b47e35aec872746ace2a

  • SSDEEP

    768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5n:zj+soPSMOtEvwDpj4kpmeLmQ5n

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-03_22d113d62ab696fef92633d4c323b0a2_cryptolocker

    • Size

      64KB

    • MD5

      22d113d62ab696fef92633d4c323b0a2

    • SHA1

      aa5584ee9416c40cc61b0605e55a18a83dbebaf1

    • SHA256

      b00db3349524c48501690cb819a95952f63899a89a1d1fdf69d103db58614a82

    • SHA512

      d03cf4c9cb0163f969a33b276faabe95dcf022ff6a80e8d18f2e160ba815595c7cc77f278523c736dc4ae5ec11c3126e32b26f178e26b47e35aec872746ace2a

    • SSDEEP

      768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5n:zj+soPSMOtEvwDpj4kpmeLmQ5n

    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