Overview

overview

10

Static

static

10

2024-02-12...er.exe

windows7-x64

9

2024-02-12...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-02-12_8eceb80b4cbcc25a5362f4b51aec2886_cryptolocker

  • Size

    55KB

  • Sample

    240212-yvzbxadb49

  • MD5

    8eceb80b4cbcc25a5362f4b51aec2886

  • SHA1

    7d6df5a6046552cfecee28b59bc4c98cde16a5ec

  • SHA256

    882352168cd422e5ffd6fd3160ad288897f65cf3f77f9c4537e8da50c7a58d88

  • SHA512

    bed29b3f3d3cf95af76e7d9ef4dc20753bc7cceed037e00de5941fba0e885fe0d9ac93ab314859fb3a8472cd96e99cbf3f05f38d3125be3c2b358c9d3bd04c96

  • SSDEEP

    768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpLDWE:zj+soPSMOtEvwDpj4yD5

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-02-12_8eceb80b4cbcc25a5362f4b51aec2886_cryptolocker

    • Size

      55KB

    • MD5

      8eceb80b4cbcc25a5362f4b51aec2886

    • SHA1

      7d6df5a6046552cfecee28b59bc4c98cde16a5ec

    • SHA256

      882352168cd422e5ffd6fd3160ad288897f65cf3f77f9c4537e8da50c7a58d88

    • SHA512

      bed29b3f3d3cf95af76e7d9ef4dc20753bc7cceed037e00de5941fba0e885fe0d9ac93ab314859fb3a8472cd96e99cbf3f05f38d3125be3c2b358c9d3bd04c96

    • SSDEEP

      768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpLDWE:zj+soPSMOtEvwDpj4yD5

    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