Analysis

  • max time kernel
    118s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-02-2024 07:59

General

  • Target

    ab667c342e83997121b7a9c78f340e23.xlsm

  • Size

    208KB

  • MD5

    ab667c342e83997121b7a9c78f340e23

  • SHA1

    1fca4d57206e1a7f9dfff6b9bd69d64d593ce176

  • SHA256

    8d4547fa89823eb34301fcf14ba38a04af3285937c86b8f615fe421dee808f87

  • SHA512

    dc42bfa5fa70d47485e8fe55f8c098f160ccb6ff917b11546395ede5d4b0567491026797a3f49f694f90130a97662842ab2b8a1ce4136f47867af4e6de09f400

  • SSDEEP

    6144:FogkLjLhDcxGxXZ1KQDGte8rlWEHDU8Mf:aDLZDc4xp1Jat1njU8Mf

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 3 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 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\ab667c342e83997121b7a9c78f340e23.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\SysWOW64\MSHTA.exe
      MSHTA C:\ProgramData\ITWUoFTF.sct
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      PID:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\ITWUoFTF.sct

    Filesize

    26KB

    MD5

    24a5eef3f2ba4419aad8cab613876977

    SHA1

    b49ed12ed12ba06672faa6fce4ccf91b15f386ce

    SHA256

    c9b6a06136b22f9f50320855d4e6cc8e6edb63ddb5678320070885790954f155

    SHA512

    a191349b1ebfd292537f0fe29411d74fb9b901f3950690bf01f0560d4b9933bbe771eef9cecefecc3c09544336aacc7a73f2533e347d24453ec83e798206d008

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

  • C:\Users\Admin\AppData\Local\Temp\Tar854D.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • memory/2208-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2208-1-0x0000000071EFD000-0x0000000071F08000-memory.dmp

    Filesize

    44KB

  • memory/2208-56-0x0000000071EFD000-0x0000000071F08000-memory.dmp

    Filesize

    44KB

  • memory/2208-60-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2208-61-0x0000000071EFD000-0x0000000071F08000-memory.dmp

    Filesize

    44KB