Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 12:28

General

  • Target

    b2abc74f29ed52ec7d83d19dcdda578b75bfabfe3cb6be161acad9d570a9601f.exe

  • Size

    389KB

  • MD5

    12f3bbee6e856924c7409555272d08f6

  • SHA1

    d3d1e4683056f11053fa888359ef50aa7bc3389c

  • SHA256

    b2abc74f29ed52ec7d83d19dcdda578b75bfabfe3cb6be161acad9d570a9601f

  • SHA512

    67d3f742d4b926b1293910fced3a3887ef875d21a77797bf6e6c39e60a649e48c836f00a984447e5708f2c404d272be2cfca07d691991e561ec7a4d9a2e1fe91

  • SSDEEP

    6144:Kty+bnr+Yp0yN90QE/qCUXAU08Nad122iFyAjm6FftxVY2xmT1fNPch1saI:/Mrgy90/mAKgT2jyAjLpC2xs9NPpb

Malware Config

Extracted

Family

redline

Botnet

nasa

C2

77.91.68.68:19071

Attributes
  • auth_value

    6da71218d8a9738ea3a9a78b5677589b

Signatures

  • Detects Healer an antivirus disabler dropper 2 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2abc74f29ed52ec7d83d19dcdda578b75bfabfe3cb6be161acad9d570a9601f.exe
    "C:\Users\Admin\AppData\Local\Temp\b2abc74f29ed52ec7d83d19dcdda578b75bfabfe3cb6be161acad9d570a9601f.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7383000.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7383000.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4972
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p6771550.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p6771550.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1632
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r4522158.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r4522158.exe
        3⤵
        • Executes dropped EXE
        PID:744
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3816,i,16488180140590516186,11762960689811837350,262144 --variations-seed-version --mojo-platform-channel-handle=4224 /prefetch:8
    1⤵
      PID:3724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7383000.exe

      Filesize

      206KB

      MD5

      e3ed7f47e1410b7b8eb2abadf29e8ba9

      SHA1

      eaef8940de9977260629fa9eb19d89f19f195206

      SHA256

      cbe7e7cd0ef5d0f0de887cc968a0e337eb055609a57d6b8f12dc92889c825693

      SHA512

      fa6d6670fdd1fbfa25e7932556b443fdbf5a2de55245a329aa2e43e861dbf0b2d07ad4c019e459152fe9c2b04eedc3bbea3ae9f7d4dbc5ec102a3c5fe108a0a6

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p6771550.exe

      Filesize

      14KB

      MD5

      9c40063dc990863ba747046695b66de3

      SHA1

      768037d9239254b189798c6b10e6e92f99ab6377

      SHA256

      2a1812293ed1c85ce17438a90c5701f6cd74a623f64a34591df08bdcb473da1c

      SHA512

      2ad41fe48174717df9a3524d0833bcfd019065098a8f0272e2d4a116f09c42137942e414559e4395f53cfad34497d2f999784c3a100dd40be3626dd8b4ac4c51

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r4522158.exe

      Filesize

      172KB

      MD5

      069ec3c24700c09e504cd327b8f1b640

      SHA1

      d5c8e3cbe2c04c724e06e9ec3ad0212266fd1893

      SHA256

      566bc2d705132076a334bbb608aee51d4624caab0a721492c9a6f34647876f43

      SHA512

      4c5730311b8e9a29089283c7807d68c6b1f8d70c6b7d3edf31bd7274fe4aedf23d7b84cfc42e8a8f1a73e1ed4f4a2f9793a98c848dc90a64ff728a16d3bc8392

    • memory/744-20-0x00000000005E0000-0x0000000000610000-memory.dmp

      Filesize

      192KB

    • memory/744-21-0x0000000004F00000-0x0000000004F06000-memory.dmp

      Filesize

      24KB

    • memory/744-22-0x000000000AA20000-0x000000000B038000-memory.dmp

      Filesize

      6.1MB

    • memory/744-23-0x000000000A590000-0x000000000A69A000-memory.dmp

      Filesize

      1.0MB

    • memory/744-24-0x000000000A4D0000-0x000000000A4E2000-memory.dmp

      Filesize

      72KB

    • memory/744-25-0x000000000A530000-0x000000000A56C000-memory.dmp

      Filesize

      240KB

    • memory/744-26-0x0000000002770000-0x00000000027BC000-memory.dmp

      Filesize

      304KB

    • memory/1632-15-0x00007FFC83033000-0x00007FFC83035000-memory.dmp

      Filesize

      8KB

    • memory/1632-14-0x0000000000FF0000-0x0000000000FFA000-memory.dmp

      Filesize

      40KB