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Overview

overview

10

Static

static

3

Purchase Order.exe

windows7-x64

10

Purchase Order.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    87s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/04/2023, 09:40

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General

  • Target

    Purchase Order.exe

  • Size

    636KB

  • MD5

    b4998c696f853894b0c61c6554da3683

  • SHA1

    977f2760b3ab960c036fcbd45d8980e95bf54c5f

  • SHA256

    d19ccea3327e9aeb00c9fc78791c20b50a28f43cfa075485efd610b498d3f2b2

  • SHA512

    76a098ef7fccf8ab19c6e176b0001751e82224805f71ee8a2d41b9e26f0a1702c311bf6a5ff340703a6daa2c2220cb312989b6a2a684cad0cf06b44137558d09

  • SSDEEP

    12288:B4+3RUx0MSNgVkrYtW/6aRcyzi2nHdDra9o6:1Mmek0tW/6zK9DmK

Score
10/10
snakekeyloggerstormkittycollectionkeyloggerspywarestealer

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.mkt-marketing.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Lim5106Ivy

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

    stealerkeyloggersnakekeylogger
  • Snake Keylogger payload 1 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

    stealerstormkitty
  • StormKitty payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rUoAoacqXC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1512
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
      "{path}"
      2⤵
        PID:3512
      • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:4100

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Purchase Order.exe.log
      Filesize

      1KB

      MD5

      17573558c4e714f606f997e5157afaac

      SHA1

      13e16e9415ceef429aaf124139671ebeca09ed23

      SHA256

      c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

      SHA512

      f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\tmp4E.tmp
      Filesize

      1KB

      MD5

      ca1280987f7e736c224c750ca4416e21

      SHA1

      09a9249506539dd4366037758faa31ba3fd72114

      SHA256

      178ba3c79d852cd7078be6d740cd26df5fba993bd99e861bdcd3fec60bb960fa

      SHA512

      3c89af41e66619975ed50ebd38ab79c2951bded9149e7296899fd14ba78c27288411ebf4f1a278e2cc66f58e102c0d631973f51d7072239495fd3933d78745c0

      Download Submit

    • memory/3888-139-0x0000000005210000-0x0000000005266000-memory.dmp

      Filesize

      344KB

      Download

    • memory/3888-136-0x0000000004FF0000-0x0000000005082000-memory.dmp

      Filesize

      584KB

      Download

    • memory/3888-137-0x0000000004F50000-0x0000000004F60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3888-138-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

      Filesize

      40KB

      Download

    • memory/3888-133-0x00000000004A0000-0x0000000000546000-memory.dmp

      Filesize

      664KB

      Download

    • memory/3888-140-0x0000000004F50000-0x0000000004F60000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3888-135-0x00000000055A0000-0x0000000005B44000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/3888-134-0x0000000004E90000-0x0000000004F2C000-memory.dmp

      Filesize

      624KB

      Download

    • memory/4100-144-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/4100-147-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4100-148-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

      Filesize

      64KB

      Download