Overview

overview

7

Static

static

3

Proforma Invoice.exe

windows7-x64

7

Proforma Invoice.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    17/07/2023, 15:58

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General

  • Target
    Proforma Invoice.exe
  • Size 254KB
  • Sample230717-tegppsda92
  • SHA256 a164652a4336afd460b41b4b744547c5f7999e35ae5b8ccf1abbc6bb2d2c5a32
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1536

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        rxrzsyn.dll
        • Path \Users\Admin\AppData\Local\Temp\nsjD117.tmp\rxrzsyn.dll
        • Size 11KB
        • SHA256 5cd6a707f12450e3effde9db7b4e4d764dd907522995ae9e9964a064d1d9eff2
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1536-61-0x0000000000400000-0x0000000000430000-memory.dmp
        Download

        memory/1536-62-0x00000000008F0000-0x0000000000BF3000-memory.dmp
        Download

        memory/1536-63-0x0000000000400000-0x0000000000430000-memory.dmp
        Download

        memory/2324-60-0x00000000750F0000-0x00000000750F6000-memory.dmp
        Download