Analysis

  • max time kernel
    118s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-03-2024 02:49

General

  • Target

    b022cc37ef4539a49d65dde9dec5c67a.xlsm

  • Size

    247KB

  • MD5

    b022cc37ef4539a49d65dde9dec5c67a

  • SHA1

    3d01c44e63ed8485f30ce500c28d635dbbf819a8

  • SHA256

    bd1e2680fd4e09beddf15f4f0918e2a9473962331f1a87e8dd8afec64cebc1da

  • SHA512

    1cae6e29161f7d42d79575d3d189b82fccb924f30afbf86eb4aa75dda5cb9026a19a03056feca558db8ddd02fd29bde34acbf91be2a206cee63d672c01027845

  • SSDEEP

    6144:S9tZbAPPimNA/kjoitkJfXhblTq8mr0ENe6:YtZbAPDNAcMhFpUNP

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\b022cc37ef4539a49d65dde9dec5c67a.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:2320
    • C:\Windows\SysWOW64\MSHTA.exe
      MSHTA C:\ProgramData\QGuGaB.sct
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      PID:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\QGuGaB.sct

    Filesize

    25KB

    MD5

    7f34af32c773ab5bbe667f36a83a8a2b

    SHA1

    0c3c9cea4ddfe0b797c2692c83e6ee1ecf87db37

    SHA256

    0d5185594ad7445b26acf14ce1c888c60f1b69733f0ae1bcbf5cd1ce58c24de2

    SHA512

    e9d3b3cc0a208623e316de12666f36de21c08303021b440ed7b2e0d33f960c74c0ad3b55dd168b4fa62b46aa9e36c04e050c2b0cc042c72a39ae6ebfa45ef017

  • 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\TarA50D.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • memory/2320-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2320-1-0x000000007285D000-0x0000000072868000-memory.dmp

    Filesize

    44KB

  • memory/2320-56-0x000000007285D000-0x0000000072868000-memory.dmp

    Filesize

    44KB

  • memory/2320-59-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2320-60-0x000000007285D000-0x0000000072868000-memory.dmp

    Filesize

    44KB