Overview

overview

10

Static

static

Statement ...es.exe

windows7_x64

10

Statement ...es.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-04-2022 12:45

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Report Analysis Logs

General

  • Target

    Statement for due invoices.exe

  • Size

    1020KB

  • MD5

    39812fe18840e436a74aff55785f08d4

  • SHA1

    88c0f62af95c53b0a4d1f2d9422c9016490851ed

  • SHA256

    0d2cf62b947967dcece71936fe76d44d03d97f11c6ec580c67f33761a99ef708

  • SHA512

    7188efcc5c683c4bdab4ad5dace8df49402e64de6c3bf6c6be980e831ae1aca9a7a094aee89f97236f1f00468e6ba93988dad2ca8c2778557f8f5d5418ccaa24

Score
10/10
webmonitorbackdoorinfostealerratupx

Malware Config

Extracted

Family

webmonitor

C2

blackwire.wm01.to:443

Attributes
  • config_key

    XHSPjxLqnkGzEknQM1EIWtzFAMfNcnJY

  • private_key

    Bm19W87ME

  • url_path

    /recv5.php

Signatures

  • RevcodeRat, WebMonitorRat

    WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

    backdoorratinfostealerwebmonitor
  • WebMonitor Payload 2 IoCs
  • UPX packed file 5 IoCs

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

    upx
  • Checks computer location settings 2 TTPs 2 IoCs

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

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

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

  • 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 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Statement for due invoices.exe
    "C:\Users\Admin\AppData\Local\Temp\Statement for due invoices.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3200
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iPiuyFhOmJALV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2B84.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4192
    • C:\Users\Admin\AppData\Local\Temp\Statement for due invoices.exe
      "{path}"
      2⤵
        PID:3544
      • C:\Users\Admin\AppData\Local\Temp\Statement for due invoices.exe
        "{path}"
        2⤵
        • Checks computer location settings
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1924
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\M2Q7z3glNy8Vfo3L.bat" "
          3⤵
            PID:2960

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Credential Access

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\M2Q7z3glNy8Vfo3L.bat
        Filesize

        204B

        MD5

        84cee1cf25a921fc2d3b1beb676ea722

        SHA1

        6c6012e2819d8ab204fb4b4ad732d15ef4e6017a

        SHA256

        6dcb7912d65dd46c0aa573a68dd997e5ffab7401e26af52e8c07614d2e015b1a

        SHA512

        3034e9f4cf423a426780de1267a4e9ff8bccb20aa66d0f1175b88d54bbccb5ba98ad5b5ca9dd2c19f834d1804d4a2c5adbbd29a9db7530119bf44f9633d9c204

        Download Submit
      • C:\Users\Admin\AppData\Local\Temp\tmp2B84.tmp
        Filesize

        1KB

        MD5

        21a9d0158e4afd1570e773c000c9c6d6

        SHA1

        8f96cd897a2233740edfeca35627cfad724d9b6a

        SHA256

        f396db9c9ab47185f5ca7763ff6b3c98c4b015ff2fb0f517f824b98ba7cddd32

        SHA512

        5b2b183df76ffd11591ce707df8c35403dcdcb07fbb7db7696807e9c39a89729b4d93dda408454f7581b2963f82baf691f3546e379844a4f957a0515d0153fc8

        Download Submit
      • memory/1924-142-0x0000000000400000-0x00000000004F6000-memory.dmp
        Filesize

        984KB

        Download
      • memory/1924-139-0x0000000000400000-0x00000000004F6000-memory.dmp
        Filesize

        984KB

        Download
      • memory/1924-143-0x0000000000400000-0x00000000004F6000-memory.dmp
        Filesize

        984KB

        Download
      • memory/1924-141-0x0000000000400000-0x00000000004F6000-memory.dmp
        Filesize

        984KB

        Download
      • memory/1924-140-0x0000000000400000-0x00000000004F6000-memory.dmp
        Filesize

        984KB

        Download
      • memory/1924-138-0x0000000000000000-mapping.dmp
        Download
      • memory/2960-144-0x0000000000000000-mapping.dmp
        Download
      • memory/3200-132-0x0000000005390000-0x0000000005422000-memory.dmp
        Filesize

        584KB

        Download
      • memory/3200-133-0x0000000005330000-0x000000000533A000-memory.dmp
        Filesize

        40KB

        Download
      • memory/3200-130-0x0000000000880000-0x0000000000986000-memory.dmp
        Filesize

        1.0MB

        Download
      • memory/3200-134-0x0000000007870000-0x000000000790C000-memory.dmp
        Filesize

        624KB

        Download
      • memory/3200-131-0x0000000005940000-0x0000000005EE4000-memory.dmp
        Filesize

        5.6MB

        Download
      • memory/3544-137-0x0000000000000000-mapping.dmp
        Download
      • memory/4192-135-0x0000000000000000-mapping.dmp
        Download