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Analysis

  • max time kernel
    133s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 16:46

General

  • Target

    2e4b5c6a3cb159002058c95d82975b7d.exe

  • Size

    512KB

  • MD5

    2e4b5c6a3cb159002058c95d82975b7d

  • SHA1

    8b475dbd05211dfbdca8d2822ebc9227452c3849

  • SHA256

    13796aeac722be31e8b52227e03d7abda78dec285c678388a873c2305a7080bc

  • SHA512

    7d5a6fad63b768857c74f1971625eb827e640aba57b4ee21d8ca00a2462122541c9dcae0ab1f18ae8891488bfb6beef77a6e84d9fd913577a40b2efdf7e8df1d

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4U:0+h9OY70z+warul3E4U

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e4b5c6a3cb159002058c95d82975b7d.exe
    "C:\Users\Admin\AppData\Local\Temp\2e4b5c6a3cb159002058c95d82975b7d.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Local\Temp\n2124\s2124.exe
      "C:\Users\Admin\AppData\Local\Temp\n2124\s2124.exe" 534c808b344e7631b6c60f0ckEkqQinStaXi/kU8+CrYHHzunZZ1ShvBCvmrqZd+UOYN01mozCkzUCgas31ypAyyPH0If782Jn8NnIZvNSkzeYyhKrm9UVEvn58phwn50AXDNhcc6CDc8ek2ufRfOInqZ2yGZZClMOTj0EDuf2PSzAie /v "C:\Users\Admin\AppData\Local\Temp\2e4b5c6a3cb159002058c95d82975b7d.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2124\s2124.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/860-12-0x00007FFEF5D20000-0x00007FFEF66C1000-memory.dmp

    Filesize

    9.6MB

  • memory/860-13-0x00007FFEF5D20000-0x00007FFEF66C1000-memory.dmp

    Filesize

    9.6MB

  • memory/860-14-0x0000000000C60000-0x0000000000C70000-memory.dmp

    Filesize

    64KB

  • memory/860-28-0x000000001B360000-0x000000001B372000-memory.dmp

    Filesize

    72KB

  • memory/860-31-0x000000001C250000-0x000000001C71E000-memory.dmp

    Filesize

    4.8MB

  • memory/860-32-0x000000001BCB0000-0x000000001BD4C000-memory.dmp

    Filesize

    624KB

  • memory/860-33-0x00007FFEF5D20000-0x00007FFEF66C1000-memory.dmp

    Filesize

    9.6MB

  • memory/860-34-0x00007FFEF5D20000-0x00007FFEF66C1000-memory.dmp

    Filesize

    9.6MB

  • memory/860-35-0x0000000000C60000-0x0000000000C70000-memory.dmp

    Filesize

    64KB

  • memory/860-36-0x000000001C810000-0x000000001C872000-memory.dmp

    Filesize

    392KB

  • memory/860-37-0x0000000000C60000-0x0000000000C70000-memory.dmp

    Filesize

    64KB

  • memory/860-38-0x000000001B3F0000-0x000000001B3F8000-memory.dmp

    Filesize

    32KB

  • memory/860-40-0x0000000000C60000-0x0000000000C70000-memory.dmp

    Filesize

    64KB

  • memory/860-39-0x0000000000C60000-0x0000000000C70000-memory.dmp

    Filesize

    64KB

  • memory/860-41-0x0000000000C60000-0x0000000000C70000-memory.dmp

    Filesize

    64KB

  • memory/860-42-0x0000000000C60000-0x0000000000C70000-memory.dmp

    Filesize

    64KB

  • memory/860-43-0x0000000020130000-0x000000002063E000-memory.dmp

    Filesize

    5.1MB

  • memory/860-44-0x0000000020640000-0x000000002077C000-memory.dmp

    Filesize

    1.2MB

  • memory/860-46-0x00007FFEF5D20000-0x00007FFEF66C1000-memory.dmp

    Filesize

    9.6MB