Analysis

  • max time kernel
    144s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-06-2024 02:47

General

  • Target

    0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe

  • Size

    67KB

  • MD5

    2b274de1ba95b66b41fd57ba95e10653

  • SHA1

    ac08368b132f60bf0bd6adfb78153be62883c878

  • SHA256

    0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723

  • SHA512

    fa37fec96549faaf75c775902917aa250f484db72c11d3324cabea37deb609d26c992f7dc26ce5714388784cf688a103c8d33d9e82bb9f0acedc357aa86d5844

  • SSDEEP

    1536:AO6daHktjZytoFTeuDXvq0Zp2yby0BT7BIP5b6xihOuuvZY:da0o1euDXkyby11hOuGZY

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:32901

engineering-thoroughly.gl.at.ply.gg:32901

Attributes
  • Install_directory

    %AppData%

  • install_file

    OxyInstaller.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 2 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).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe
    "C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2788
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\OxyInstaller.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3008
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'OxyInstaller.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    b2b4aec9a934fe333c4ea775c5ce2e29

    SHA1

    b9b4da172e72e91acc28c4cec6448acd7137e69a

    SHA256

    6d29b099555598ab1fd34e859514dc597c0db9d0f1bb69315d0845e081b49d4d

    SHA512

    02b91e75ea7f606f91db3214b023222457e98cd2add75edb69a594163bc3500a7ae619665b930ae31595e94c6a6da5faab95a561a5410a1a3fdf6326f10a9fa2

  • \??\PIPE\srvsvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • memory/2216-0-0x000007FEF5C13000-0x000007FEF5C14000-memory.dmp

    Filesize

    4KB

  • memory/2216-1-0x0000000000E20000-0x0000000000E38000-memory.dmp

    Filesize

    96KB

  • memory/2216-2-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2216-7-0x000007FEF5C13000-0x000007FEF5C14000-memory.dmp

    Filesize

    4KB

  • memory/2216-34-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2680-16-0x000000001B6A0000-0x000000001B982000-memory.dmp

    Filesize

    2.9MB

  • memory/2680-17-0x0000000002240000-0x0000000002248000-memory.dmp

    Filesize

    32KB

  • memory/2788-8-0x00000000027A0000-0x0000000002820000-memory.dmp

    Filesize

    512KB

  • memory/2788-9-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

    Filesize

    2.9MB

  • memory/2788-10-0x0000000002A70000-0x0000000002A78000-memory.dmp

    Filesize

    32KB