Analysis

  • max time kernel
    15s
  • max time network
    18s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-08-2023 11:45

General

  • Target

    1f026c4cbb2316d51d90d01dc50b531a6f52fa8424ce9b8298f01a3fac1a270d.exe

  • Size

    250KB

  • MD5

    8298bea449a626ed8d9cd54d741075a7

  • SHA1

    506c82cfd2d54e3684787aee836645788cf4dca3

  • SHA256

    1f026c4cbb2316d51d90d01dc50b531a6f52fa8424ce9b8298f01a3fac1a270d

  • SHA512

    74b7538a941f9008a84764a4b4e57d05f0b492015fa560fddfcef2a99d0227088300fa26d8b9e9a85f363164793ec9331b32d26044b069c885a5ef5b7ff9d1bd

  • SSDEEP

    6144:PWfM6iKwtADM5njFGKfi/Xm51QCG8VG1XhmIQ4L:+l0LnjFGKf351rGagwhW

Malware Config

Signatures

  • Detects Zeppelin payload 5 IoCs
  • Zeppelin Ransomware

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f026c4cbb2316d51d90d01dc50b531a6f52fa8424ce9b8298f01a3fac1a270d.exe
    "C:\Users\Admin\AppData\Local\Temp\1f026c4cbb2316d51d90d01dc50b531a6f52fa8424ce9b8298f01a3fac1a270d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3364
    • C:\Users\Public\Videos\hgfdfds.exe
      "C:\Users\Public\Videos\hgfdfds.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:1516
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\taskeng.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\taskeng.exe" -start
        3⤵
          PID:4160
        • C:\Windows\SysWOW64\notepad.exe
          notepad.exe
          3⤵
            PID:2256

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        214KB

        MD5

        c14d403c9e9d6b6054e09ceee047fbf1

        SHA1

        2155b8d3b977f32641314207bb24126741b71d13

        SHA256

        005b00d41740f7b0327d4d5fe0402dcfc84ae0df44a2231a89a59909eeb30b23

        SHA512

        f5a0380cf6c7f3c14bd0efefeec1be88d0d92257ace44a97360e17c88e27c59cb424cd7283e2085431ba95d62eac30d017e3f41d7c1ccb4468a0bcaa3984d6d3

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

        Filesize

        214KB

        MD5

        c14d403c9e9d6b6054e09ceee047fbf1

        SHA1

        2155b8d3b977f32641314207bb24126741b71d13

        SHA256

        005b00d41740f7b0327d4d5fe0402dcfc84ae0df44a2231a89a59909eeb30b23

        SHA512

        f5a0380cf6c7f3c14bd0efefeec1be88d0d92257ace44a97360e17c88e27c59cb424cd7283e2085431ba95d62eac30d017e3f41d7c1ccb4468a0bcaa3984d6d3

      • C:\Users\Public\Videos\hgfdfds.exe

        Filesize

        214KB

        MD5

        c14d403c9e9d6b6054e09ceee047fbf1

        SHA1

        2155b8d3b977f32641314207bb24126741b71d13

        SHA256

        005b00d41740f7b0327d4d5fe0402dcfc84ae0df44a2231a89a59909eeb30b23

        SHA512

        f5a0380cf6c7f3c14bd0efefeec1be88d0d92257ace44a97360e17c88e27c59cb424cd7283e2085431ba95d62eac30d017e3f41d7c1ccb4468a0bcaa3984d6d3

      • C:\Users\Public\Videos\hgfdfds.exe

        Filesize

        214KB

        MD5

        c14d403c9e9d6b6054e09ceee047fbf1

        SHA1

        2155b8d3b977f32641314207bb24126741b71d13

        SHA256

        005b00d41740f7b0327d4d5fe0402dcfc84ae0df44a2231a89a59909eeb30b23

        SHA512

        f5a0380cf6c7f3c14bd0efefeec1be88d0d92257ace44a97360e17c88e27c59cb424cd7283e2085431ba95d62eac30d017e3f41d7c1ccb4468a0bcaa3984d6d3

      • C:\Users\Public\Videos\hgfdfds.exe

        Filesize

        214KB

        MD5

        c14d403c9e9d6b6054e09ceee047fbf1

        SHA1

        2155b8d3b977f32641314207bb24126741b71d13

        SHA256

        005b00d41740f7b0327d4d5fe0402dcfc84ae0df44a2231a89a59909eeb30b23

        SHA512

        f5a0380cf6c7f3c14bd0efefeec1be88d0d92257ace44a97360e17c88e27c59cb424cd7283e2085431ba95d62eac30d017e3f41d7c1ccb4468a0bcaa3984d6d3

      • memory/2256-162-0x0000000000A40000-0x0000000000A41000-memory.dmp

        Filesize

        4KB