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Analysis

  • max time kernel
    127s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2023, 12:02

General

  • Target

    UnconfirmedInvoicestotalamount_JC.xll

  • Size

    573KB

  • MD5

    76a7d4c43cbe51e7cac8e6eb88d1a9b7

  • SHA1

    3186fceaea15217c4345cab35fc71087feeba204

  • SHA256

    ef74d2b8d1767667fb6817916f7d2d2c998358e07422a6af246151e0299f26aa

  • SHA512

    424257365fdea3138e9e61503bce99c1949680ed4a24b7e55a1dd08e721c12fee16da9b4f5575e4b2c42270c7911b875f8c6a3c2d3ee14b75c3e24bc74277ffe

  • SSDEEP

    12288:an/zDvGHAykHSzLW/4+8bzbBSreMd5LFgFK/UqW:IzbGHAzHAjX1EcL

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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 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\UnconfirmedInvoicestotalamount_JC.xll"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\UnconfirmedInvoicestotalamount_JC.xll

    Filesize

    573KB

    MD5

    76a7d4c43cbe51e7cac8e6eb88d1a9b7

    SHA1

    3186fceaea15217c4345cab35fc71087feeba204

    SHA256

    ef74d2b8d1767667fb6817916f7d2d2c998358e07422a6af246151e0299f26aa

    SHA512

    424257365fdea3138e9e61503bce99c1949680ed4a24b7e55a1dd08e721c12fee16da9b4f5575e4b2c42270c7911b875f8c6a3c2d3ee14b75c3e24bc74277ffe

  • C:\Users\Admin\AppData\Local\Temp\UnconfirmedInvoicestotalamount_JC.xll

    Filesize

    573KB

    MD5

    76a7d4c43cbe51e7cac8e6eb88d1a9b7

    SHA1

    3186fceaea15217c4345cab35fc71087feeba204

    SHA256

    ef74d2b8d1767667fb6817916f7d2d2c998358e07422a6af246151e0299f26aa

    SHA512

    424257365fdea3138e9e61503bce99c1949680ed4a24b7e55a1dd08e721c12fee16da9b4f5575e4b2c42270c7911b875f8c6a3c2d3ee14b75c3e24bc74277ffe

  • memory/1160-23-0x00007FFEC0170000-0x00007FFEC0C31000-memory.dmp

    Filesize

    10.8MB

  • memory/1160-25-0x00000163F4D80000-0x00000163F4D90000-memory.dmp

    Filesize

    64KB

  • memory/1160-4-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-7-0x00007FFEA4070000-0x00007FFEA4080000-memory.dmp

    Filesize

    64KB

  • memory/1160-6-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-8-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-9-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-10-0x00007FFEA1A80000-0x00007FFEA1A90000-memory.dmp

    Filesize

    64KB

  • memory/1160-11-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-5-0x00007FFEA4070000-0x00007FFEA4080000-memory.dmp

    Filesize

    64KB

  • memory/1160-12-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-13-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-14-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-15-0x00007FFEA1A80000-0x00007FFEA1A90000-memory.dmp

    Filesize

    64KB

  • memory/1160-16-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-17-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-18-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-24-0x00000163F4D80000-0x00000163F4D90000-memory.dmp

    Filesize

    64KB

  • memory/1160-0-0x00007FFEA4070000-0x00007FFEA4080000-memory.dmp

    Filesize

    64KB

  • memory/1160-2-0x00007FFEA4070000-0x00007FFEA4080000-memory.dmp

    Filesize

    64KB

  • memory/1160-3-0x00007FFEA4070000-0x00007FFEA4080000-memory.dmp

    Filesize

    64KB

  • memory/1160-1-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-20-0x00000163F4A90000-0x00000163F4B39000-memory.dmp

    Filesize

    676KB

  • memory/1160-26-0x00000163F4D80000-0x00000163F4D90000-memory.dmp

    Filesize

    64KB

  • memory/1160-27-0x00000163F4D80000-0x00000163F4D90000-memory.dmp

    Filesize

    64KB

  • memory/1160-29-0x00000163F7F00000-0x00000163F7F12000-memory.dmp

    Filesize

    72KB

  • memory/1160-28-0x00000163F4D80000-0x00000163F4D90000-memory.dmp

    Filesize

    64KB

  • memory/1160-31-0x00000163F4E00000-0x00000163F4E0A000-memory.dmp

    Filesize

    40KB

  • memory/1160-30-0x00000163F4D80000-0x00000163F4D90000-memory.dmp

    Filesize

    64KB

  • memory/1160-32-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-33-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-34-0x00007FFEC0170000-0x00007FFEC0C31000-memory.dmp

    Filesize

    10.8MB

  • memory/1160-35-0x00000163F4D80000-0x00000163F4D90000-memory.dmp

    Filesize

    64KB

  • memory/1160-36-0x00000163F4D80000-0x00000163F4D90000-memory.dmp

    Filesize

    64KB

  • memory/1160-37-0x00000163F4D80000-0x00000163F4D90000-memory.dmp

    Filesize

    64KB

  • memory/1160-38-0x00000163F4D80000-0x00000163F4D90000-memory.dmp

    Filesize

    64KB

  • memory/1160-39-0x00000163F4D80000-0x00000163F4D90000-memory.dmp

    Filesize

    64KB

  • memory/1160-54-0x00007FFEA4070000-0x00007FFEA4080000-memory.dmp

    Filesize

    64KB

  • memory/1160-55-0x00007FFEA4070000-0x00007FFEA4080000-memory.dmp

    Filesize

    64KB

  • memory/1160-56-0x00007FFEA4070000-0x00007FFEA4080000-memory.dmp

    Filesize

    64KB

  • memory/1160-57-0x00007FFEA4070000-0x00007FFEA4080000-memory.dmp

    Filesize

    64KB

  • memory/1160-58-0x00007FFEE3FF0000-0x00007FFEE41E5000-memory.dmp

    Filesize

    2.0MB

  • memory/1160-59-0x00007FFEC0170000-0x00007FFEC0C31000-memory.dmp

    Filesize

    10.8MB