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Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2024, 15:49

General

  • Target

    f09d0363bac4fde14dfff1e4fbd85350N.exe

  • Size

    59KB

  • MD5

    f09d0363bac4fde14dfff1e4fbd85350

  • SHA1

    dac38a393bedf05506c1895041c58a6ea2f4f425

  • SHA256

    e0d7fd07b3d410d7fff1645261e9ffef1959b783db1f71b20e4b80d9b81b05a8

  • SHA512

    295668d8270f09486aacf43e21cb430ced21ca01d9160bcf50580cef6f706e2b0210fa454dd05ca2a43321e8a1766fac8b8f96391239fc6feae0abe5c45d78aa

  • SSDEEP

    1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQj:OeodiUO4p13b9HiIeoutuh1aQj

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f09d0363bac4fde14dfff1e4fbd85350N.exe
    "C:\Users\Admin\AppData\Local\Temp\f09d0363bac4fde14dfff1e4fbd85350N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\ProgramData\AhnLab\AhnSvc.exe
      "C:\ProgramData\AhnLab\AhnSvc.exe" /run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2360
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\f09d0363bac4fde14dfff1e4fbd85350N.exe" >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\AhnLab\AhnSvc.exe

    Filesize

    59KB

    MD5

    3889124804cd3ffc3c882650859cfa05

    SHA1

    33e7b9de704b6a6d482420cbffc0aa35b86f74d9

    SHA256

    7e24a66a2eca085db581259c6ccfb7448cd898cc36a0f26df6269d03e29b4576

    SHA512

    12b0d80c8907349073577d4172833d16fe94f5b4925f518ea3291787e351dde269e915379a1288232d3460cb420cbbb54977a4f0628435cce8cd60b7c614d58a

  • memory/1360-0-0x00000000008E0000-0x0000000000907000-memory.dmp

    Filesize

    156KB

  • memory/1360-8-0x00000000008E0000-0x0000000000907000-memory.dmp

    Filesize

    156KB

  • memory/2360-4-0x0000000000BB0000-0x0000000000BD7000-memory.dmp

    Filesize

    156KB

  • memory/2360-9-0x0000000000BB0000-0x0000000000BD7000-memory.dmp

    Filesize

    156KB

  • memory/2360-10-0x0000000000BB0000-0x0000000000BD7000-memory.dmp

    Filesize

    156KB