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Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/02/2024, 02:36

General

  • Target

    85b455f61c679d481ff562b4454c78ac.xll

  • Size

    689KB

  • MD5

    85b455f61c679d481ff562b4454c78ac

  • SHA1

    419cf72cb631dafbc2a8e219e9e2d2d571d34b7d

  • SHA256

    5f1ff93cf4eb1ec53402b5bb959a6fd1d4c94fed041606a39d7b334b699514ec

  • SHA512

    f6473932d881fed692d1a973943c68a4e092fbce0dc61dd1894648e5bd99fedff5040c9182b91716f714e4ccfcb873faf3aeb48dad507ff5cdea6975e548e8e8

  • SSDEEP

    12288:HHGqRJHO4pMetgC8bzbBSregUIVgFK/UqWgqUAS:HZRJHvkJX1IcLg5V

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • Loads dropped DLL 2 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 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\85b455f61c679d481ff562b4454c78ac.xll"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:3852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\85b455f61c679d481ff562b4454c78ac.xll

    Filesize

    689KB

    MD5

    85b455f61c679d481ff562b4454c78ac

    SHA1

    419cf72cb631dafbc2a8e219e9e2d2d571d34b7d

    SHA256

    5f1ff93cf4eb1ec53402b5bb959a6fd1d4c94fed041606a39d7b334b699514ec

    SHA512

    f6473932d881fed692d1a973943c68a4e092fbce0dc61dd1894648e5bd99fedff5040c9182b91716f714e4ccfcb873faf3aeb48dad507ff5cdea6975e548e8e8

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

    Filesize

    27KB

    MD5

    462dfb9040af4477048ace257a8f5242

    SHA1

    034d884e2207640f862f2b75c6f7f801a58cdc59

    SHA256

    057679178d5208fd2fa7e4f7acd124ac7ec3abd3855704150f0884d55dc0d855

    SHA512

    61e194a61308462e80b87ef2d0064a0deaf97f99126fda3b91097c6598458408ff7e393f70f80b2f0daac282b573584a2ed69f5bce80f5d98762dc1975938b7a

  • memory/3852-31-0x0000021459CA0000-0x0000021459CB0000-memory.dmp

    Filesize

    64KB

  • memory/3852-35-0x0000021459CA0000-0x0000021459CB0000-memory.dmp

    Filesize

    64KB

  • memory/3852-5-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-2-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-6-0x00007FFA36D90000-0x00007FFA36DA0000-memory.dmp

    Filesize

    64KB

  • memory/3852-7-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-8-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-9-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-10-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-12-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-11-0x00007FFA34D30000-0x00007FFA34D40000-memory.dmp

    Filesize

    64KB

  • memory/3852-14-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-13-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-15-0x00007FFA34D30000-0x00007FFA34D40000-memory.dmp

    Filesize

    64KB

  • memory/3852-18-0x000002143F390000-0x000002143F456000-memory.dmp

    Filesize

    792KB

  • memory/3852-4-0x00007FFA36D90000-0x00007FFA36DA0000-memory.dmp

    Filesize

    64KB

  • memory/3852-23-0x0000021441880000-0x000002144189C000-memory.dmp

    Filesize

    112KB

  • memory/3852-1-0x00007FFA36D90000-0x00007FFA36DA0000-memory.dmp

    Filesize

    64KB

  • memory/3852-27-0x0000021441870000-0x000002144187E000-memory.dmp

    Filesize

    56KB

  • memory/3852-29-0x0000021459CA0000-0x0000021459CB0000-memory.dmp

    Filesize

    64KB

  • memory/3852-3-0x00007FFA36D90000-0x00007FFA36DA0000-memory.dmp

    Filesize

    64KB

  • memory/3852-0-0x00007FFA36D90000-0x00007FFA36DA0000-memory.dmp

    Filesize

    64KB

  • memory/3852-24-0x0000021459B50000-0x0000021459B8C000-memory.dmp

    Filesize

    240KB

  • memory/3852-30-0x0000021459CA0000-0x0000021459CB0000-memory.dmp

    Filesize

    64KB

  • memory/3852-28-0x0000021459CA0000-0x0000021459CB0000-memory.dmp

    Filesize

    64KB

  • memory/3852-26-0x0000021459CA0000-0x0000021459CB0000-memory.dmp

    Filesize

    64KB

  • memory/3852-25-0x00007FFA4E010000-0x00007FFA4EAD1000-memory.dmp

    Filesize

    10.8MB

  • memory/3852-62-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-63-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-64-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-65-0x00007FFA4E010000-0x00007FFA4EAD1000-memory.dmp

    Filesize

    10.8MB

  • memory/3852-66-0x0000021459CA0000-0x0000021459CB0000-memory.dmp

    Filesize

    64KB

  • memory/3852-67-0x0000021459CA0000-0x0000021459CB0000-memory.dmp

    Filesize

    64KB

  • memory/3852-68-0x0000021459CA0000-0x0000021459CB0000-memory.dmp

    Filesize

    64KB

  • memory/3852-69-0x0000021459CA0000-0x0000021459CB0000-memory.dmp

    Filesize

    64KB

  • memory/3852-70-0x0000021459CA0000-0x0000021459CB0000-memory.dmp

    Filesize

    64KB

  • memory/3852-71-0x0000021459CA0000-0x0000021459CB0000-memory.dmp

    Filesize

    64KB

  • memory/3852-88-0x00007FFA36D90000-0x00007FFA36DA0000-memory.dmp

    Filesize

    64KB

  • memory/3852-89-0x00007FFA36D90000-0x00007FFA36DA0000-memory.dmp

    Filesize

    64KB

  • memory/3852-90-0x00007FFA36D90000-0x00007FFA36DA0000-memory.dmp

    Filesize

    64KB

  • memory/3852-91-0x00007FFA36D90000-0x00007FFA36DA0000-memory.dmp

    Filesize

    64KB

  • memory/3852-92-0x00007FFA76D10000-0x00007FFA76F05000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-93-0x00007FFA4E010000-0x00007FFA4EAD1000-memory.dmp

    Filesize

    10.8MB