Analysis

  • max time kernel
    140s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2025, 07:28

General

  • Target

    virusshare/1/VirusShare_0fea640a7da27f365b3675f73626b9c9.xls

  • Size

    937KB

  • MD5

    0fea640a7da27f365b3675f73626b9c9

  • SHA1

    fd4825f244e9c145486cb6930ad05695b9972668

  • SHA256

    64af94592f6707505fa6f42b58776c3635706a414e6362a92f707df84627679c

  • SHA512

    c9a10288762f3f5a3fdff17f8dd8560e7a884f1b83f405c2e85c6c86e42f69a30841c13aa0f2ecfc55aed42995d7aeb8fe40415e423ed0a306d2e7d00883dfbf

  • SSDEEP

    24576:h3zS0aqbCrxgFhFSQVB5DjDLG6/8otVBTN9s:K9Fo5VLDLGwTBT

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • TA505

    Cybercrime group active since 2015, responsible for families like Dridex and Locky.

  • Ta505 family
  • Loads dropped DLL 1 IoCs
  • 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
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 22 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

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\virusshare\1\VirusShare_0fea640a7da27f365b3675f73626b9c9.xls"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:4092

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\xcopy00.xlsx

      Filesize

      628KB

      MD5

      ebc31ba733ad39ac5c2e4d9ec0b1df67

      SHA1

      ee50acf3fb46001034f572d1c8bf3db42d589829

      SHA256

      3a1ee38269d650f576a7664f52dabb1e6daf33bc2c17e21b284a89427faf9528

      SHA512

      632d29713ead303bed667775667bfc25c6848e19f23947d523af87717576f2ab9ec8d6a2e4484ce981827057729b10f0dc3e22f9c81670600b95e4b493c1934d

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

      Filesize

      2KB

      MD5

      25f9fbe53528c575f7b4799243f1ea54

      SHA1

      ce3970a92598585804b6144a52cd5a5c25e046c8

      SHA256

      be03413fe7a1f1c678f36c50ead15af5e5a059302bcdba61893605bc3f10b6be

      SHA512

      4f3c94f8683549d39a990bee6384875e3086a2898434d5a0f4115ff07970f84ce1209755976579ef04c9ad2c2540f9af003c8c0b862d3c6807ab73970fc62846

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\contract_.dll

      Filesize

      234KB

      MD5

      4224c05eb24238e24a124eecee907cec

      SHA1

      551979d132b3e45aaab7ea8e18441b303f49a74a

      SHA256

      6d5c207c998990f1e7c527971dfe0eb6d2b21fca136d616e6e211019d1c77698

      SHA512

      ef4b9f06fcdd091ac818974cd777a6fdf5cd88a70f8f5fad33173ae70905b8487d60acb4af2ddb6c73d2789085f28ec1134e5efdc6a9659b0417d8fa350e7638

    • memory/4596-20-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-18-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-5-0x00007FF887BB0000-0x00007FF887BC0000-memory.dmp

      Filesize

      64KB

    • memory/4596-8-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-9-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-7-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-10-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-6-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-11-0x00007FF8853B0000-0x00007FF8853C0000-memory.dmp

      Filesize

      64KB

    • memory/4596-12-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-16-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-15-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-13-0x00007FF8853B0000-0x00007FF8853C0000-memory.dmp

      Filesize

      64KB

    • memory/4596-17-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-21-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-0-0x00007FF8C7BCD000-0x00007FF8C7BCE000-memory.dmp

      Filesize

      4KB

    • memory/4596-3-0x00007FF887BB0000-0x00007FF887BC0000-memory.dmp

      Filesize

      64KB

    • memory/4596-19-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-14-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-48-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-52-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-91-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-4-0x00007FF887BB0000-0x00007FF887BC0000-memory.dmp

      Filesize

      64KB

    • memory/4596-2-0x00007FF887BB0000-0x00007FF887BC0000-memory.dmp

      Filesize

      64KB

    • memory/4596-207-0x00007FF8C7BCD000-0x00007FF8C7BCE000-memory.dmp

      Filesize

      4KB

    • memory/4596-208-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-209-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-210-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-211-0x000000005C8E0000-0x000000005C932000-memory.dmp

      Filesize

      328KB

    • memory/4596-212-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-213-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-214-0x00007FF8C7B30000-0x00007FF8C7D25000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-1-0x00007FF887BB0000-0x00007FF887BC0000-memory.dmp

      Filesize

      64KB

    • memory/4596-220-0x000000005C8E0000-0x000000005C932000-memory.dmp

      Filesize

      328KB