Overview

overview

10

Static

static

10

4aa0fef735...cd.exe

windows7-x64

10

4aa0fef735...cd.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    91s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2022 08:18

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General

  • Target

    4aa0fef7356c18214f9c9bb3a9ea16cd.exe

  • Size

    216KB

  • MD5

    4aa0fef7356c18214f9c9bb3a9ea16cd

  • SHA1

    92e655dbe599a3ecfc9c8f510ccc03f81185f660

  • SHA256

    24efa10a2b51c5fd6e45da6babd4e797d9cae399be98941f950abf7b5e9a4cd7

  • SHA512

    2c0cb5a6ecac3dde2fea800fdbb53f13f7b057216487cd9889218f7cf63b4b98cd6c3ba4cd1866d8cf9ed52b0a5b8a0da971566fa4e26ecebf119da1048f9c10

  • SSDEEP

    6144:uyJE1yd7WWlJmcyfwAPWna4DQFu/U3buRKlemZ9DnGAevIGcF7+:uU/d7WWKvhPWa4DQFu/U3buRKlemZ9Dh

Score
10/10
zeppelinpersistenceransomware

Malware Config

Signatures

  • Detects Zeppelin payload 2 IoCs
  • Zeppelin Ransomware

    Ransomware-as-a-service (RaaS) written in Delphi and first seen in 2019.

    ransomwarezeppelin
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4aa0fef7356c18214f9c9bb3a9ea16cd.exe
    "C:\Users\Admin\AppData\Local\Temp\4aa0fef7356c18214f9c9bb3a9ea16cd.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\svchost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\svchost.exe" -start
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:4316
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 660
        3⤵
        • Program crash
        PID:2032
    • C:\Windows\SysWOW64\notepad.exe
      notepad.exe
      2⤵
        PID:1968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4316 -ip 4316
      1⤵
        PID:3608

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\svchost.exe
        Filesize

        216KB

        MD5

        4aa0fef7356c18214f9c9bb3a9ea16cd

        SHA1

        92e655dbe599a3ecfc9c8f510ccc03f81185f660

        SHA256

        24efa10a2b51c5fd6e45da6babd4e797d9cae399be98941f950abf7b5e9a4cd7

        SHA512

        2c0cb5a6ecac3dde2fea800fdbb53f13f7b057216487cd9889218f7cf63b4b98cd6c3ba4cd1866d8cf9ed52b0a5b8a0da971566fa4e26ecebf119da1048f9c10

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      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\svchost.exe
        Filesize

        216KB

        MD5

        4aa0fef7356c18214f9c9bb3a9ea16cd

        SHA1

        92e655dbe599a3ecfc9c8f510ccc03f81185f660

        SHA256

        24efa10a2b51c5fd6e45da6babd4e797d9cae399be98941f950abf7b5e9a4cd7

        SHA512

        2c0cb5a6ecac3dde2fea800fdbb53f13f7b057216487cd9889218f7cf63b4b98cd6c3ba4cd1866d8cf9ed52b0a5b8a0da971566fa4e26ecebf119da1048f9c10

        Download Submit

      • memory/1968-135-0x0000000000000000-mapping.dmp

        Download

      • memory/4316-132-0x0000000000000000-mapping.dmp

        Download