Overview

overview

10

Static

static

10

2024-05-20...er.exe

windows7-x64

9

2024-05-20...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-20_e8e0355e4fce1a7a0185772e603f8d94_cryptolocker

  • Size

    69KB

  • Sample

    240520-2ke23aaf5x

  • MD5

    e8e0355e4fce1a7a0185772e603f8d94

  • SHA1

    ce9844aa3593f883097bcbf937db27f3b573ffe0

  • SHA256

    af972236187f686b2a648a92adaef864cbb0298a2b9b6a5127bbe868d04dbce9

  • SHA512

    d97598bc41bbcced5432d9f589e16fbc459674cd1747f4930438fa221f2646235597932123e3e0901b68cf05ebb623067ababd06f57b41d93f830ca6a920aadc

  • SSDEEP

    1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs97:C4Q2c94OtEvwDpj4H8z+

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-20_e8e0355e4fce1a7a0185772e603f8d94_cryptolocker

    • Size

      69KB

    • MD5

      e8e0355e4fce1a7a0185772e603f8d94

    • SHA1

      ce9844aa3593f883097bcbf937db27f3b573ffe0

    • SHA256

      af972236187f686b2a648a92adaef864cbb0298a2b9b6a5127bbe868d04dbce9

    • SHA512

      d97598bc41bbcced5432d9f589e16fbc459674cd1747f4930438fa221f2646235597932123e3e0901b68cf05ebb623067ababd06f57b41d93f830ca6a920aadc

    • SSDEEP

      1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs97:C4Q2c94OtEvwDpj4H8z+

    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