Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 03:04

General

  • Target

    8faaf904aec43f9115f535ce47342ec6cd1ef95aa6008af7623a32b73f6e2f1f.exe

  • Size

    12KB

  • MD5

    a935ad05746b25a6bea9be4bc7e981f3

  • SHA1

    ca41c1f91d4af77347d7516cd2a20775e82f0eec

  • SHA256

    8faaf904aec43f9115f535ce47342ec6cd1ef95aa6008af7623a32b73f6e2f1f

  • SHA512

    981b3278cc1fa648ff9c19a88a60660d1190dfb18a6dbaa01dff93595f46aec415b71e7e905e2c7017d26c059759e3a2a7e9a3546fceef3ab1931eedd7ecfbbd

  • SSDEEP

    384:+L7li/2zEq2DcEQvdhcJKLTp/NK9xaHJ:o4M/Q9cHJ

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8faaf904aec43f9115f535ce47342ec6cd1ef95aa6008af7623a32b73f6e2f1f.exe
    "C:\Users\Admin\AppData\Local\Temp\8faaf904aec43f9115f535ce47342ec6cd1ef95aa6008af7623a32b73f6e2f1f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\ctznmppf\ctznmppf.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES9C9D.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc20B36DDFF6654F969988A1BCECCACD4A.TMP"
        3⤵
          PID:2628
      • C:\Users\Admin\AppData\Local\Temp\tmp985A.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp985A.tmp.exe" C:\Users\Admin\AppData\Local\Temp\8faaf904aec43f9115f535ce47342ec6cd1ef95aa6008af7623a32b73f6e2f1f.exe
        2⤵
        • Deletes itself
        • Executes dropped EXE
        PID:2568

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RE.resources

      Filesize

      2KB

      MD5

      e358cce51112cded9ca862519874ac9f

      SHA1

      9bf3b210e5e9a866e3088a6d0b0854a231d40a98

      SHA256

      cc7223df1cf61d990cf269f0ff602ff54cfdee72c49ebe1a4482e04a782becf4

      SHA512

      dbb06aec2c25a40783f648322ab44af2c867f129d7502897d4e71aa28a3d493fe9ac27a7333d924a2e0b1776976286d80210ff2b23e4f4be739a76b082a43b7f

    • C:\Users\Admin\AppData\Local\Temp\RES9C9D.tmp

      Filesize

      1KB

      MD5

      b76041174c819c43a45e69ea4a0a853a

      SHA1

      8e957afdb0eca3ea8552160539beb90d9a41b88a

      SHA256

      5543aea196aa326240fcd03388c521178b21a12da35e71cb6482d22748921fe1

      SHA512

      f8a4e5f4c10f94ca130d642256f79997de85e1689043fbb726ab99060d45fe0f6b054b369a06ed0a536997a6d772a92b7c86b3cd6014995299e728f0cb0f763c

    • C:\Users\Admin\AppData\Local\Temp\ctznmppf\ctznmppf.0.vb

      Filesize

      2KB

      MD5

      05df6affd6480dd16113624408509d97

      SHA1

      36b3b67782376b702b78fbddb805b8e9874bfded

      SHA256

      c975f7febd0840868da219f5965aa72753725aa389e7d27636fdb7f4556e92e0

      SHA512

      9a6b66672ba04dc295ae5cf01579c7715500c36208d4f466efc89cc1f6a721b7dbed9e2f497510781695206d6d8b8e48d21722d656100acd7fcd49ac0c193fbc

    • C:\Users\Admin\AppData\Local\Temp\ctznmppf\ctznmppf.cmdline

      Filesize

      273B

      MD5

      a84c8e20fe58e859d021135ff1cdee2e

      SHA1

      06e08c7a019cfe6b96a34f525a02bef687ba4690

      SHA256

      adc82f7366473576e113dd3c9f5f37da1e5581fac1a7a1e6c27b7f087e79a7e2

      SHA512

      0bd7e37f539a07c3202ed83c5363c62ada01a8c3b5c4bd25da471c3f22482351e0f524b29420f0aa4bc1795325b9044e3110fed7a81589ad96cd7057b267c995

    • C:\Users\Admin\AppData\Local\Temp\tmp985A.tmp.exe

      Filesize

      12KB

      MD5

      31f7bded6863d2f5f5c0bc560879864d

      SHA1

      99e6e39a0ab1be4b8e6fbe22338f0f71b33d1a91

      SHA256

      1415d7116e82c853ce0269a5868fe118b198f3d6c44f885f81948d65636b436e

      SHA512

      9d04b46e706e02a977f5e8715dfd8d033c7ffb1fbbe548bce9aa753c4943cca16dca23ba7deaac9896db437742241edd6138d3c2217c9f605282c3679826f477

    • C:\Users\Admin\AppData\Local\Temp\vbc20B36DDFF6654F969988A1BCECCACD4A.TMP

      Filesize

      1KB

      MD5

      ad1957edc9e22ec6e2730face80ec3ef

      SHA1

      f4804b8fe07ead4f78f554c893f5ac4b14a77ed0

      SHA256

      d672accc67d57b815d070def7a8ee048055b79beaf5d9dd43024ba60f3ac4653

      SHA512

      c8ff38927d627f7f45ac57fd32ef336d5a254744cae50c1f65371a8eac75174cd9725f7a890b6dc504a192868ebc35bccb319a584ad41fe67996029ffb0edf47

    • memory/1440-6-0x0000000074050000-0x000000007473E000-memory.dmp

      Filesize

      6.9MB

    • memory/1440-1-0x0000000000190000-0x000000000019A000-memory.dmp

      Filesize

      40KB

    • memory/1440-0-0x000000007405E000-0x000000007405F000-memory.dmp

      Filesize

      4KB

    • memory/1440-24-0x0000000074050000-0x000000007473E000-memory.dmp

      Filesize

      6.9MB

    • memory/2568-23-0x0000000000080000-0x000000000008A000-memory.dmp

      Filesize

      40KB