Analysis

  • max time kernel
    119s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2024 01:36

General

  • Target

    32f93604a550dfb0929cd5b5276121f0N.exe

  • Size

    724KB

  • MD5

    32f93604a550dfb0929cd5b5276121f0

  • SHA1

    cb1855204a871b9c2f1b45415f76dad079499a55

  • SHA256

    4557168ef51b7c0bddf12d06c1d77074350a617301248042d80af2cf669abf72

  • SHA512

    06b98a53dab3747d47fe7781877ba2106d929d0a8a8051f7876d2ca207376a353d1614d5d84f80fa8ea81a44ef0b0a38dab6316d09e31535f1b9b78d612e9d5f

  • SSDEEP

    12288:iFF2nnMwHskY7gjcjhVIEhqgM7bWvcsi6aVlXIyJgJGP9/ztLlAZHYN:iFF2nMysZgjS1hqgSC/izNfOJGlbhlA6

Score
9/10

Malware Config

Signatures

  • Renames multiple (4312) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32f93604a550dfb0929cd5b5276121f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\32f93604a550dfb0929cd5b5276121f0N.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:1184
    • C:\Users\Admin\AppData\Local\Temp\_VC_redist.x86.exe
      "_VC_redist.x86.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1088
      • C:\Windows\Temp\{286C048C-F73C-4B4B-8CA4-FF5BF338DDAA}\.cr\_VC_redist.x86.exe
        "C:\Windows\Temp\{286C048C-F73C-4B4B-8CA4-FF5BF338DDAA}\.cr\_VC_redist.x86.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\_VC_redist.x86.exe" -burn.filehandle.attached=556 -burn.filehandle.self=552
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1750093773-264148664-1320403265-1000\desktop.ini.exe

    Filesize

    90KB

    MD5

    2a975d0687e88463b280bd9fc97826d0

    SHA1

    72c6449e9830d9b602d7bdf66c387a5b2cdfbb1f

    SHA256

    cf5c16f025c0577b2931d5a3312a21ef1ce698066c2edd02e829eb2472d90159

    SHA512

    708d3172b63fbc4de6316eb67e4f30176254bf93007b9f9d46832311c8041b0fccb66a1221ad2352ea20d8d10a3822a2224b1527c28e4ab1d9def9d4aa21cc3b

  • C:\Users\Admin\AppData\Local\Temp\_VC_redist.x86.exe

    Filesize

    634KB

    MD5

    2389d29f633df11642dff1bf5f21eb35

    SHA1

    ce85460fd7cde25528142f4cdca4e6013bb4b1e8

    SHA256

    ab91fbaab09a94839ba839275338ac42fe2661781d371e517f9b2e4866e2cc55

    SHA512

    59d607112566d13d15a8de8e18be204e8bf0d2010310ebc9c8589ceb42fb8fce7800a6e58f30ffb92d4c1b3e0d17c1a2076a478de753e5334971465c52f8eeed

  • C:\Windows\SysWOW64\Zombie.exe

    Filesize

    89KB

    MD5

    12fd363b0816b6f706dc30e7bbc7e2f6

    SHA1

    b6af68968d1282b019d4a27f7ecb065bcd872599

    SHA256

    5595d4d65aa948ee6a59785adaa406d6cd0f2dce9e22cee36111ae9cdd747452

    SHA512

    7eddb1d56f5f090f4717c4948955e8483a338f530ceaae469227e0049ecb157cdb94741cc0d722a37b120f8b0f2253d5ec1d8fc0a71b42564b768ea07446f7ac

  • C:\Windows\Temp\{533586D0-541D-4739-BB15-53F746EF29FC}\.ba\logo.png

    Filesize

    1KB

    MD5

    d6bd210f227442b3362493d046cea233

    SHA1

    ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

    SHA256

    335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

    SHA512

    464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

  • C:\Windows\Temp\{533586D0-541D-4739-BB15-53F746EF29FC}\.ba\wixstdba.dll

    Filesize

    191KB

    MD5

    eab9caf4277829abdf6223ec1efa0edd

    SHA1

    74862ecf349a9bedd32699f2a7a4e00b4727543d

    SHA256

    a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

    SHA512

    45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2