Resubmissions

19-10-2023 11:09

231019-m9hf6agh68 10

Analysis

  • max time kernel
    592s
  • max time network
    441s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-ja
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-jalocale:ja-jpos:windows10-2004-x64systemwindows
  • submitted
    19-10-2023 11:09

General

  • Target

    OpenedFilesView 1.80/OpenedFilesView_32.exe

  • Size

    67KB

  • MD5

    4338ff8ae33b8c6150feebcaa4864129

  • SHA1

    4294ca4e350a5b67630c369823dc7ee2dd66253c

  • SHA256

    5b4b9700ad8bbde39b7d597add33587edaaa0a36fabb7c47b642e9d8ff0ca441

  • SHA512

    a2a460575a7f5d4d55984054c9de7cca6e1a0beec1b0ef39c9bd71e48685fb8b27d0819ec3a56704ee67d254a51185ea567ce94a6fc5124503401e456d22bb88

  • SSDEEP

    1536:13PmFb9LibbWSonH9/Hbr3BEy08/1cu32YMtgo7biRx:dmFUfWPd/XRbB1v329gkSx

Score
9/10

Malware Config

Signatures

  • Nirsoft 2 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • UPX packed file 3 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OpenedFilesView 1.80\OpenedFilesView_32.exe
    "C:\Users\Admin\AppData\Local\Temp\OpenedFilesView 1.80\OpenedFilesView_32.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    PID:4276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4276-0-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/4276-3-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/4276-4-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB