Analysis

  • max time kernel
    148s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24/05/2022, 23:09

General

  • Target
    9677aa0ae678108ebcaf4fbb202c888b1fc9324f258755c5d0e13e700cdb465e.exe
  • Size 2.8MB
  • Sample220524-25el2afabk
  • SHA256 9677aa0ae678108ebcaf4fbb202c888b1fc9324f258755c5d0e13e700cdb465e
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Modifies Internet Explorer settings 1 TTPs 50 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9677aa0ae678108ebcaf4fbb202c888b1fc9324f258755c5d0e13e700cdb465e.exe
    "C:\Users\Admin\AppData\Local\Temp\9677aa0ae678108ebcaf4fbb202c888b1fc9324f258755c5d0e13e700cdb465e.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4208
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.goodgq.com/
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:800
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:800 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2532

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Size 471B
        • SHA256 7bc88a561babff736195edc916e12556d4a870e9dc94e649adff7d6859468d93
        • MD5 SHA1 SHA512

        B398B80134F72209547439DB21AB308D_28699ABAC9273C08DCF1E93A8F6BFD1D

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B398B80134F72209547439DB21AB308D_28699ABAC9273C08DCF1E93A8F6BFD1D
        • Size 471B
        • SHA256 f7d32ba7422f9863e177686f7e4082aead6d612ad70ad680a9f496c4c80a14b7
        • MD5 SHA1 SHA512

        7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Size 434B
        • SHA256 e08b5e80e9d6bc2230dc3f1e3df2edc9675befdca908e89f778dddb2300e7941
        • MD5 SHA1 SHA512

        7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Size 434B
        • SHA256 e08b5e80e9d6bc2230dc3f1e3df2edc9675befdca908e89f778dddb2300e7941
        • MD5 SHA1 SHA512

        B398B80134F72209547439DB21AB308D_28699ABAC9273C08DCF1E93A8F6BFD1D

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B398B80134F72209547439DB21AB308D_28699ABAC9273C08DCF1E93A8F6BFD1D
        • Size 430B
        • SHA256 a980483f341ab98c411236646ad92fdba3680a69a0c8c4d51391319c936dfd68
        • MD5 SHA1 SHA512

        imagestore.dat

        • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\1dmutkj\imagestore.dat
        • Size 4KB
        • SHA256 fa20c1f6ed252255ab72e26a015c88b85f516c1404cb0963cfb3e68d1097040f
        • MD5 SHA1 SHA512 SSDEEP

        memory/4208-152-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-146-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-166-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-164-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-162-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-160-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-156-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-154-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-130-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-150-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-148-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-168-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-144-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-142-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-138-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-136-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-134-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-132-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-173-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-170-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-172-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-158-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-140-0x0000000010000000-0x000000001003F000-memory.dmp

        memory/4208-131-0x0000000010000000-0x000000001003F000-memory.dmp