Overview

overview

7

Static

static

1

Software_R...ts.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-02-2023 10:09

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General

  • Target

    Software_Requirements.exe

  • Size

    111KB

  • MD5

    5b45640a3bd4fdc32df75aa462f5a167

  • SHA1

    fdc2b61ca7b5c31ba48155d364b8797990e2eaee

  • SHA256

    2e53a6710f04dd84cfd3ac1874a2a61e690568405f192e7cbf8a4df12da334c4

  • SHA512

    3f3e86e14f0a09bafd374da2417452bc69741e14c2d4e1a4b208a94e1a2c9cd3a0c4336ec23e9b046bcad051aac8d6f05d4477cb516c3700b27f21e023106963

  • SSDEEP

    3072:lb4MOYUuQaS+T8sv8X31OjqOjNhOYRbxqH8QW2zCrAZuRs5:wYUuQaS+T8sv8X31OXN1bgl

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\Software_Requirements.exe
    "C:\Users\Admin\AppData\Local\Temp\Software_Requirements.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\ToxicEye\rat.exe"
      2⤵
      • Creates scheduled task(s)
      PID:3560
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp6B03.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp6B03.tmp.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Windows\system32\tasklist.exe
        Tasklist /fi "PID eq 4264"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:2168
      • C:\Windows\system32\find.exe
        find ":"
        3⤵
          PID:2316
        • C:\Windows\system32\timeout.exe
          Timeout /T 1 /Nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:2504
        • C:\Users\ToxicEye\rat.exe
          "rat.exe"
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4620
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\ToxicEye\rat.exe"
            4⤵
            • Creates scheduled task(s)
            PID:524

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp6B03.tmp.bat
      Filesize

      198B

      MD5

      ee52e5d6b3b0ba6cdc9b10d7a63440d8

      SHA1

      732529e23332c71c04b36834302a26102dcee599

      SHA256

      e5920ef17dd9a2ac7c00a99789a1d89a2eb3b0923b17793f75dc4dec7a59e01d

      SHA512

      2d4796038abe05365812ea4e40517782a1604c10ba6b40e6a92cc51e01be021ea12bf403cbf34043030d0db57110b403c3ec18f17b78f7ab4bb9c95b25581f71

      Download Submit

    • C:\Users\ToxicEye\rat.exe
      Filesize

      111KB

      MD5

      5b45640a3bd4fdc32df75aa462f5a167

      SHA1

      fdc2b61ca7b5c31ba48155d364b8797990e2eaee

      SHA256

      2e53a6710f04dd84cfd3ac1874a2a61e690568405f192e7cbf8a4df12da334c4

      SHA512

      3f3e86e14f0a09bafd374da2417452bc69741e14c2d4e1a4b208a94e1a2c9cd3a0c4336ec23e9b046bcad051aac8d6f05d4477cb516c3700b27f21e023106963

      Download Submit

    • C:\Users\ToxicEye\rat.exe
      Filesize

      111KB

      MD5

      5b45640a3bd4fdc32df75aa462f5a167

      SHA1

      fdc2b61ca7b5c31ba48155d364b8797990e2eaee

      SHA256

      2e53a6710f04dd84cfd3ac1874a2a61e690568405f192e7cbf8a4df12da334c4

      SHA512

      3f3e86e14f0a09bafd374da2417452bc69741e14c2d4e1a4b208a94e1a2c9cd3a0c4336ec23e9b046bcad051aac8d6f05d4477cb516c3700b27f21e023106963

      Download Submit

    • memory/4264-133-0x0000027E07850000-0x0000027E07872000-memory.dmp

      Filesize

      136KB

      Download

    • memory/4264-134-0x0000027E22C20000-0x0000027E22C30000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4620-142-0x000001F05A630000-0x000001F05A640000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4620-143-0x000001F05A630000-0x000001F05A640000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4620-144-0x000001F076420000-0x000001F076496000-memory.dmp

      Filesize

      472KB

      Download

    • memory/4620-145-0x000001F076550000-0x000001F0765FA000-memory.dmp

      Filesize

      680KB

      Download

    • memory/4620-146-0x000001F076120000-0x000001F07613E000-memory.dmp

      Filesize

      120KB

      Download

    • memory/4620-147-0x000001F05A630000-0x000001F05A640000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4620-148-0x000001F05A630000-0x000001F05A640000-memory.dmp

      Filesize

      64KB

      Download