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Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/09/2024, 23:12

General

  • Target

    d11668d21bfa63da5e82ba90d3b0eba0N.exe

  • Size

    59KB

  • MD5

    d11668d21bfa63da5e82ba90d3b0eba0

  • SHA1

    78aad0cfc1c8b19e78a9ef3b7f77bd577ce232d7

  • SHA256

    1419745b3f6ffe0db358fc0d321a2e9110f1d7088d59587db145b492cf514b48

  • SHA512

    a54c7a14ec467896c14bd63a59033fcf6a170b71585ce23f0bb8819cdbc18358fc37c24420e6727071dbb720353cbfe2d245ebbfb08bc3f068bdd84f4724a84b

  • SSDEEP

    1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQ+:OeodiUO4p13b9HiIeoutuh1aQ+

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • 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
  • 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 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\d11668d21bfa63da5e82ba90d3b0eba0N.exe
    "C:\Users\Admin\AppData\Local\Temp\d11668d21bfa63da5e82ba90d3b0eba0N.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:1728
    • C:\ProgramData\AhnLab\AhnSvc.exe
      "C:\ProgramData\AhnLab\AhnSvc.exe" /run
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3032
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\d11668d21bfa63da5e82ba90d3b0eba0N.exe" >> NUL
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\AhnLab\AhnSvc.exe

    Filesize

    59KB

    MD5

    fbf613525aa8ad47f361159fbed34730

    SHA1

    bf2c1d4472d7230552e47e0fb5bfe2c1dcad1ea1

    SHA256

    04ef33459495ca082f5544f16ec1d16af76178a1d422c1cef593da23dadd7362

    SHA512

    16896c97e89bab64ff9b5593dbc6bb623f5eeb2929656fe41242a01dabe4bab438156299da5a8182e991446e0c39ca5bbd7c1c2626bfa6073fd45c09cd15f392

  • memory/1728-0-0x0000000000220000-0x0000000000247000-memory.dmp

    Filesize

    156KB

  • memory/1728-9-0x0000000000070000-0x0000000000097000-memory.dmp

    Filesize

    156KB

  • memory/1728-11-0x0000000000220000-0x0000000000247000-memory.dmp

    Filesize

    156KB

  • memory/1728-12-0x0000000000070000-0x0000000000097000-memory.dmp

    Filesize

    156KB

  • memory/1728-13-0x0000000000070000-0x0000000000097000-memory.dmp

    Filesize

    156KB

  • memory/1728-22-0x0000000000220000-0x0000000000247000-memory.dmp

    Filesize

    156KB

  • memory/3032-10-0x0000000001170000-0x0000000001197000-memory.dmp

    Filesize

    156KB

  • memory/3032-14-0x0000000001170000-0x0000000001197000-memory.dmp

    Filesize

    156KB

  • memory/3032-18-0x0000000001170000-0x0000000001197000-memory.dmp

    Filesize

    156KB