Overview

overview

10

Static

static

6

_.msi

windows7_x64

8

_.msi

windows10_x64

8

fhoffa-n11163nkd.vbs

windows7_x64

10

fhoffa-n11163nkd.vbs

windows10_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    fhoffa-n11163nkd.zip.zip

  • Size

    8.2MB

  • Sample

    210122-hwe67wsvzs

  • MD5

    857c0c4be8e506a491a85d06cc3f52b8

  • SHA1

    a67db996c93f78092a8552eb8ab3ba47607fb255

  • SHA256

    7998cca7210729d57d154d5aa5045d8929759766799e8791b38a77867a375282

  • SHA512

    ae3c7d24f0c0d392db6b1f91765f1705bc74c29c863d2698265bc35c28be4aca62590362f3cfbb3d37e4786ed177cb6b7c0709cf6c477d34e250dd425b8a83e6

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      _

    • Size

      11.4MB

    • MD5

      1fa69ec9be99a31ec668e03e71f3956b

    • SHA1

      2d35b6bf792b8a651c62c159ca90f3080d38240c

    • SHA256

      78fcc7d75a5886b74c02f41ff4a6cc9f0d6d29ce0d4c0242d11e626363c0c7dc

    • SHA512

      ae3af1b1db199c88531e6a4be16dce386a890176b13692a3cf6778ece49ebf04a43f5d9c8448d8680ad176bcb2615bf247d26637118fce535a8c218bf0349c2a

    Score
    8/10
    persistenceransomware

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • JavaScript code in executable

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

      ransomware
    behavioral1behavioral2

    • Target

      fhoffa-n11163nkd.vbs

    • Size

      17KB

    • MD5

      8f7bc961047c054ad4f8f6e9efe117c4

    • SHA1

      e0f66c3081be2641a1e8ea6683ff7775ace5313b

    • SHA256

      0b5fc58aedaed72062aaf48471b814e88e6236f7c31b084ec04609836e8ac626

    • SHA512

      62711a889488e8f7d2b1dcbbd2cc68009ae3b8bad71cbdfa546b80654c33a204c4e36398343dd432f305b1a0e64d0f1afab2529ce2c4d973b30e9245bd867de7

    Score
    10/10

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Blocklisted process makes network request

    behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

2
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks