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Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/07/2024, 05:40

General

  • Target

    9abedfec687db7a9273e5e9157af74e0N.exe

  • Size

    81KB

  • MD5

    9abedfec687db7a9273e5e9157af74e0

  • SHA1

    1d79bd8bef8703f1f3b3031d83cb50a23964133e

  • SHA256

    95ffed6888dde882a053f5498ad9d4f0feb1b49bfc22ce934c3c76593f1e514d

  • SHA512

    c9bb28a50aaecef0f2e010216591d9771a2c6689b6a8c40a43e7e52b2385961ab229e7eeda180411cde289dac83e69a77923f8c27a87b7af77319b140da71ceb

  • SSDEEP

    1536:6LxJJlguY/NbvWU2VkWlVvtlqDyKJR40AEEot:cc/R+U23vtlPR0pN

Malware Config

Signatures

  • Blocklisted process makes network request 7 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9abedfec687db7a9273e5e9157af74e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\9abedfec687db7a9273e5e9157af74e0N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4536
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\whayr.exe "C:\Users\Admin\AppData\Local\Temp\9abedfec687db7a9273e5e9157af74e0N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1004
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2036
      • \??\c:\whayr.exe
        c:\whayr.exe "C:\Users\Admin\AppData\Local\Temp\9abedfec687db7a9273e5e9157af74e0N.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4416
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\pkmop\aeoxsoe.dll",init c:\whayr.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\whayr.exe

    Filesize

    81KB

    MD5

    a92737123ae7c0536d64ada0bdd68567

    SHA1

    45c1efa9fca1bd7f9742e6f1b0bf1d74c382fe96

    SHA256

    89683b3f16d67e3f6e2f53135aeadb6e6ef581e54cd222b04863b0f1ee24348e

    SHA512

    4e825f14fc85a21881e2a04ea7c4d4fee175dbac6bf5669d87cabd33603deb41faa3685e25a2172669878a3b56927374c0a5399967d55cc79d3d675d33fa09a6

  • \??\c:\pkmop\aeoxsoe.dll

    Filesize

    46KB

    MD5

    42fe886bcb6460f7c2a46e21ecac5da6

    SHA1

    7d9a1c9fe17121cf61444da965f29e974a95ede2

    SHA256

    b6bc7902da0250f6ca920b35b222f6a0fe62102caf05d2a1722c4d3b225a0a9e

    SHA512

    3d1a7dc1d9ca8a4376302ba20df584ad59b98e0d3b18b06b22d7f5a455833ce124e412fc1922a3b704dcbafa31987cda3115c9a71dd6299683502cebae33567c

  • memory/4416-8-0x0000000000620000-0x0000000000622000-memory.dmp

    Filesize

    8KB

  • memory/4416-10-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4460-13-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/4460-14-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/4460-16-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/4460-17-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/4460-18-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/4460-25-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/4536-4-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4536-1-0x0000000000A60000-0x0000000000A62000-memory.dmp

    Filesize

    8KB

  • memory/4536-0-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB