Overview

overview

10

Static

static

10

2024-04-26...er.exe

windows7-x64

9

2024-04-26...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-04-26_d6db50ba3bc111fcc391ef8f561b71c5_cryptolocker

  • Size

    58KB

  • Sample

    240426-w6z2gahf32

  • MD5

    d6db50ba3bc111fcc391ef8f561b71c5

  • SHA1

    9b1514ef31f56c39cf24605edd87b8438047a280

  • SHA256

    86278eeddf48cbe17706b863b199d438db0d5349b76608d5301c19c023d3c171

  • SHA512

    913b3fbb74b3092d839089e1ff15a687c23c144d8ca9567e43ddfda3c52e4a89eaaf7366665fdfa226fe425c0819838ea9c3707190b09c7a870c47f0c0b92a59

  • SSDEEP

    768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPq:H6QFElP6n+gou9cvMOtEvwDpjCpVXf

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-26_d6db50ba3bc111fcc391ef8f561b71c5_cryptolocker

    • Size

      58KB

    • MD5

      d6db50ba3bc111fcc391ef8f561b71c5

    • SHA1

      9b1514ef31f56c39cf24605edd87b8438047a280

    • SHA256

      86278eeddf48cbe17706b863b199d438db0d5349b76608d5301c19c023d3c171

    • SHA512

      913b3fbb74b3092d839089e1ff15a687c23c144d8ca9567e43ddfda3c52e4a89eaaf7366665fdfa226fe425c0819838ea9c3707190b09c7a870c47f0c0b92a59

    • SSDEEP

      768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPq:H6QFElP6n+gou9cvMOtEvwDpjCpVXf

    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