Overview

overview

7

Static

static

3

Invoice.exe

windows7-x64

7

Invoice.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2023 07:05

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General

  • Target

    Invoice.exe

  • Size

    290KB

  • MD5

    251059be9d81ed9e5dcef07d3da50410

  • SHA1

    7d7c53f24a2996b2be19a6be740a3ff27bc0bfcb

  • SHA256

    a18c3de560cfe832821c01661931953efe47d1506955f779ce2760550a1a63c8

  • SHA512

    3dbd5c3aaea44cb381129a4d9395028b2b29a3d8d7b2ce4bff481c1a12bfea63d8f80b4fa8e2b47edce7d37f1b6093ba297a783370fc149429dc2eee66d83779

  • SSDEEP

    6144:/Ya6nBlQZtNfvjoaXOz+e5hljyV1DM6O2MxO5G0l7S8CYmMw4mli/mN:/YdjstNTOSeAK6O2Mx+G0FS8CZ/4kWK

Score
7/10
persistence

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Users\Admin\AppData\Local\Temp\Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2320

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\riroy.dll
    Filesize

    85KB

    MD5

    ff4677d24b759f36447bb9108e90cb46

    SHA1

    e08718dfdb2fb50893c513c60d4a44c34a06203e

    SHA256

    c99c339f79a0f597a5857f9a65816b8b71d969a97cc6b873b130acad21161bd8

    SHA512

    0c720e6d7e6be7c3dff90de0bd7574f03f6978df1d47a3327e0fb1e81ddb9895dcaa00921af28ecb677c9c9f6e7c42767618bebaf3b92f8b50efe703a374e6cc

    Download Submit

  • memory/2320-140-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2320-141-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2320-142-0x0000000000AA0000-0x0000000000DEA000-memory.dmp

    Filesize

    3.3MB

    Download

  • memory/2320-143-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

    Download