Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-23_bf33dc67557031625b660590e3d985e9_cryptolocker

  • Size

    102KB

  • Sample

    240523-wx4cjabf28

  • MD5

    bf33dc67557031625b660590e3d985e9

  • SHA1

    b9b3a3518cc20990d2c7156f109f5bfd022ef53a

  • SHA256

    ee1682d3e45b2864dea6a8de5d6904f4e8549fdd16f2bcb5e72954d05e19a9c6

  • SHA512

    c7c67308c1f21c9febf6fa6b61dc8af006b7585ae59b98a2f15c0d3e5e0f06791445021ddb6d1dc887e0f7f493dc12cb1d1d5e59dcb388582bd42a16537cb512

  • SSDEEP

    1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPeBc6:AnBdOOtEvwDpj6z4

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_bf33dc67557031625b660590e3d985e9_cryptolocker

    • Size

      102KB

    • MD5

      bf33dc67557031625b660590e3d985e9

    • SHA1

      b9b3a3518cc20990d2c7156f109f5bfd022ef53a

    • SHA256

      ee1682d3e45b2864dea6a8de5d6904f4e8549fdd16f2bcb5e72954d05e19a9c6

    • SHA512

      c7c67308c1f21c9febf6fa6b61dc8af006b7585ae59b98a2f15c0d3e5e0f06791445021ddb6d1dc887e0f7f493dc12cb1d1d5e59dcb388582bd42a16537cb512

    • SSDEEP

      1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPeBc6:AnBdOOtEvwDpj6z4

    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

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks