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Resubmissions

21/02/2024, 19:15

240221-xx9pzsdg5x 8

21/02/2024, 19:12

240221-xwmttsdg3w 10

Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/02/2024, 19:15

General

  • Target

    LISTA COMENZILOR DE ACHIZIȚIE.xlam

  • Size

    599KB

  • MD5

    e4deac5ad957b116803f1fe586501dc8

  • SHA1

    948c896aac7159fe8f7821943b415a9db2c260bc

  • SHA256

    28a83aa5bef94a8c26fea9f2817e53c341007a9c856f26e333d8a9922465182e

  • SHA512

    06146216510bfe5e225162eb8851948fb89eb402d071dceb082576fe2c11db1f17cbc94caecc7f23b91fce4356d2ef428bbee466afa00698855be7f5305da7a4

  • SSDEEP

    12288:UTu/+Fx6EIM660RjZwbY/dkTDjlQYXJwkTx+naX:+x6EIBAY/MDwoz

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\LISTA COMENZILOR DE ACHIZIȚIE.xlam"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2152
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Launches Equation Editor
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\comeonman.vbs"
      2⤵
      • Blocklisted process makes network request
      PID:2444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\comeonman.vbs

    Filesize

    68KB

    MD5

    83c7db708b6f85ff44ccefe0a30e47b8

    SHA1

    ead1dc69f99adb00978c00fb0e6bb835adc115b8

    SHA256

    6f526cbdd9b1cfe5617b2c6abbce7e6e80cfb85169778ab8ba15a1e35d1ad60f

    SHA512

    2f8132c443933beefc3c0fd59ac3d86c99d585ca3de7ec3b484e15dfc7f6c3248e398812ee26dbbc5903b4dd7dbfeeb67b21216f99c577390b6d323b7b16c9c7

  • memory/2152-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2152-1-0x000000007280D000-0x0000000072818000-memory.dmp

    Filesize

    44KB

  • memory/2152-12-0x000000007280D000-0x0000000072818000-memory.dmp

    Filesize

    44KB