Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-20220223-en
  • submitted
    29-03-2022 21:45

General

  • Target

    62aa0bc0617f8f40908642b1e9b933ef99c9b9a46e7fd061ad689eff28a438fa.xls

  • Size

    106KB

  • MD5

    db64d5b887a8228c75b3b7bdadc0245e

  • SHA1

    38f8f6163b8620f23e380faed62f8fe39521da13

  • SHA256

    62aa0bc0617f8f40908642b1e9b933ef99c9b9a46e7fd061ad689eff28a438fa

  • SHA512

    5ae443ee355b785e19dd5cd8695d9523e02080fdb36b8a465e56a8e667f081fd44a888d579597ea573e4d8dedd747df3d1943e2f150f01e81939bba0ba3117a8

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://dougveeder.com/cgi-bin/xJ91ZttGRioQ7IUL/

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\62aa0bc0617f8f40908642b1e9b933ef99c9b9a46e7fd061ad689eff28a438fa.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\hdrh.dll
      2⤵
      • Process spawned unexpected child process
      PID:2808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\hdrh.dll

    Filesize

    75KB

    MD5

    6a107ab34afce193dbab2e31c1fb240f

    SHA1

    54611ca004d1d6718042e00dcc7091000ab51c55

    SHA256

    37a7c728562612eb174db2141710f432e4ccf28cb7e7a5fbbfc1723ea8ac7229

    SHA512

    22c305773ea5ed4e0a2ffade2cfa6886c9f0074df753d63f4e55dbead1d26e86744be4f7b8c4839ecc9b201009be5019d7b252241c7971db38efdc9e77cc6161

  • memory/2472-114-0x00007FFE372F0000-0x00007FFE37300000-memory.dmp

    Filesize

    64KB

  • memory/2472-115-0x00007FFE372F0000-0x00007FFE37300000-memory.dmp

    Filesize

    64KB

  • memory/2472-116-0x00007FFE372F0000-0x00007FFE37300000-memory.dmp

    Filesize

    64KB

  • memory/2472-117-0x00007FFE372F0000-0x00007FFE37300000-memory.dmp

    Filesize

    64KB