Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2024, 18:39

General

  • Target

    97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe

  • Size

    59KB

  • MD5

    0196c320e7dc5d216ffc6b49c90eaaf0

  • SHA1

    95232ab6d98a9ec14b20dd577fa20bcd12d6d97b

  • SHA256

    97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793b

  • SHA512

    a24ae172530900da7bb9cb56875d9937f0a8ce91bed2ab9d2b796650182ef163cbaf08e8c4f73cbc41022d00a69784d310a10fe2f4fb65a46b9546f1d573c67e

  • SSDEEP

    1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQG:OeodiUO4p13b9HiIeoutuh1aQG

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • 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.

  • UPX packed file 7 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe
    "C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\ProgramData\AhnLab\AhnSvc.exe
      "C:\ProgramData\AhnLab\AhnSvc.exe" /run
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2932
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe" >> NUL
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\AhnLab\AhnSvc.exe

    Filesize

    59KB

    MD5

    0d659529a5289d145757602f8c9471e6

    SHA1

    24a1914c3732267d0a77961c61a7014d012d95cb

    SHA256

    7338640dc8586f56bc79b94b08817a135eb86b49263e5fb4d25d7181ed2e68a4

    SHA512

    3b27cbbf500657054b6ff29defbad5fab3f39ffb82faf51037ac56307203754093064a0034761132a40ad23b31afe4299d7c88e3af425d20f9d7f3c85e4b881b

  • memory/2108-0-0x00000000009D0000-0x00000000009F7000-memory.dmp

    Filesize

    156KB

  • memory/2108-9-0x0000000000280000-0x00000000002A7000-memory.dmp

    Filesize

    156KB

  • memory/2108-8-0x0000000000280000-0x00000000002A7000-memory.dmp

    Filesize

    156KB

  • memory/2108-15-0x00000000009D0000-0x00000000009F7000-memory.dmp

    Filesize

    156KB

  • memory/2108-16-0x0000000000280000-0x00000000002A7000-memory.dmp

    Filesize

    156KB

  • memory/2108-17-0x0000000000280000-0x00000000002A7000-memory.dmp

    Filesize

    156KB

  • memory/2108-25-0x00000000009D0000-0x00000000009F7000-memory.dmp

    Filesize

    156KB

  • memory/2932-11-0x0000000000100000-0x0000000000127000-memory.dmp

    Filesize

    156KB

  • memory/2932-19-0x0000000000100000-0x0000000000127000-memory.dmp

    Filesize

    156KB

  • memory/2932-21-0x0000000000100000-0x0000000000127000-memory.dmp

    Filesize

    156KB