Overview

overview

10

Static

static

10

2023-08-26...JC.exe

windows7-x64

10

2023-08-26...JC.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 05:29

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General

  • Target

    2023-08-26_ca53c7bacfb8c147bee538b348707cf1_zeppelin_JC.exe

  • Size

    211KB

  • MD5

    ca53c7bacfb8c147bee538b348707cf1

  • SHA1

    94075d331d4e649e38abb7930616834abecc58af

  • SHA256

    035231fd1c1ed6e0619688a83b43082deee66bff69913aa73421b675f601172a

  • SHA512

    0825ce9e8c741d1a65d33f7de0164e7ce122904ed69c44613d4c5c5ae3b6c40656ad8b44ced7deb9522714fc2d727d57d4340bbbe97c7a268f8957343a40e0a3

  • SSDEEP

    6144:Lia1gMHOPDWIhID8X/4DQFu/U3buRKlemZ9DnGAetTsB+d+:LIMH06cID84DQFu/U3buRKlemZ9DnGAI

Score
10/10
zeppelinpersistenceransomware

Malware Config

Signatures

  • Detects Zeppelin payload 5 IoCs
  • Zeppelin Ransomware

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

    ransomwarezeppelin
  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-08-26_ca53c7bacfb8c147bee538b348707cf1_zeppelin_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-08-26_ca53c7bacfb8c147bee538b348707cf1_zeppelin_JC.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\smss.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\smss.exe" -start
      2⤵
      • Executes dropped EXE
      PID:2992
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 688
        3⤵
        • Program crash
        PID:2228
    • C:\Windows\SysWOW64\notepad.exe
      notepad.exe
      2⤵
        PID:976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2992 -ip 2992
      1⤵
        PID:4652

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        211KB

        MD5

        ca53c7bacfb8c147bee538b348707cf1

        SHA1

        94075d331d4e649e38abb7930616834abecc58af

        SHA256

        035231fd1c1ed6e0619688a83b43082deee66bff69913aa73421b675f601172a

        SHA512

        0825ce9e8c741d1a65d33f7de0164e7ce122904ed69c44613d4c5c5ae3b6c40656ad8b44ced7deb9522714fc2d727d57d4340bbbe97c7a268f8957343a40e0a3

        Download Submit

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

        211KB

        MD5

        ca53c7bacfb8c147bee538b348707cf1

        SHA1

        94075d331d4e649e38abb7930616834abecc58af

        SHA256

        035231fd1c1ed6e0619688a83b43082deee66bff69913aa73421b675f601172a

        SHA512

        0825ce9e8c741d1a65d33f7de0164e7ce122904ed69c44613d4c5c5ae3b6c40656ad8b44ced7deb9522714fc2d727d57d4340bbbe97c7a268f8957343a40e0a3

        Download Submit

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

        211KB

        MD5

        ca53c7bacfb8c147bee538b348707cf1

        SHA1

        94075d331d4e649e38abb7930616834abecc58af

        SHA256

        035231fd1c1ed6e0619688a83b43082deee66bff69913aa73421b675f601172a

        SHA512

        0825ce9e8c741d1a65d33f7de0164e7ce122904ed69c44613d4c5c5ae3b6c40656ad8b44ced7deb9522714fc2d727d57d4340bbbe97c7a268f8957343a40e0a3

        Download Submit

      • memory/976-10-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2888-13-0x0000000000C70000-0x0000000000DB0000-memory.dmp

        Filesize

        1.2MB

        Download

      • memory/2992-15-0x0000000000D80000-0x0000000000EC0000-memory.dmp

        Filesize

        1.2MB

        Download