Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-23_2d7da028c08fc9ff4d119505bb5983c4_cryptolocker

  • Size

    60KB

  • Sample

    240523-asr8taeh69

  • MD5

    2d7da028c08fc9ff4d119505bb5983c4

  • SHA1

    7f05ef63e1beda3fe41970410be4363a6faaf609

  • SHA256

    79f42e0dc97d34d8a4880dc2814bf2f978c55a64c5fb20eae316bdab9738f04c

  • SHA512

    a71a0426dd299a8583a8040d356742a1d554e123f872bc3c3b4e037e8965b0b4679664927282c7a50999bfda39a4fb3efffcb47b54f4e50e947dae48f778855a

  • SSDEEP

    1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaUf3N:z6a+CdOOtEvwDpjQq

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_2d7da028c08fc9ff4d119505bb5983c4_cryptolocker

    • Size

      60KB

    • MD5

      2d7da028c08fc9ff4d119505bb5983c4

    • SHA1

      7f05ef63e1beda3fe41970410be4363a6faaf609

    • SHA256

      79f42e0dc97d34d8a4880dc2814bf2f978c55a64c5fb20eae316bdab9738f04c

    • SHA512

      a71a0426dd299a8583a8040d356742a1d554e123f872bc3c3b4e037e8965b0b4679664927282c7a50999bfda39a4fb3efffcb47b54f4e50e947dae48f778855a

    • SSDEEP

      1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaUf3N:z6a+CdOOtEvwDpjQq

    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