Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-06-2024 19:34

General

  • Target

    Microsoft Network Realtime inspection.exe

  • Size

    79KB

  • MD5

    5c888eddae30076bd7aaa2e5d5fea097

  • SHA1

    6a5b5c290d24bcd984a7083f934dbf35f56ec888

  • SHA256

    267d1802344caba41d174d5e9750695c446724e6c480bee1b79100a64931e788

  • SHA512

    4a17d517772d0efff6fea2074af232c90f47b370fa9269d36970bec3a8204e1e3df8f273f21287f712d26117a803b428ffd3683581b85498515e1d908c5b3dd1

  • SSDEEP

    1536:y8p4oJOu7J3c+Fj4zo+ib+8qn36NOuCYh0uxqau:y5oJLJM5zJib+sOeh0uVu

Malware Config

Extracted

Family

xworm

C2

listing-trackbacks.gl.at.ply.gg:15337

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Microsoft Network Realtime inspection.exe
    "C:\Users\Admin\AppData\Local\Temp\Microsoft Network Realtime inspection.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4916
    • 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\Microsoft Network Realtime inspection.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3116
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Microsoft Network Realtime inspection.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:744
    • 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\TLauncher'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4440
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'TLauncher'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2324
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "TLauncher" /tr "C:\Users\Admin\AppData\Roaming\TLauncher"
      2⤵
      • Creates scheduled task(s)
      PID:2480
  • C:\Users\Admin\AppData\Roaming\TLauncher
    C:\Users\Admin\AppData\Roaming\TLauncher
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:644
  • C:\Users\Admin\AppData\Roaming\TLauncher
    C:\Users\Admin\AppData\Roaming\TLauncher
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5048

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\TLauncher.log
    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    944B

    MD5

    6d3e9c29fe44e90aae6ed30ccf799ca8

    SHA1

    c7974ef72264bbdf13a2793ccf1aed11bc565dce

    SHA256

    2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

    SHA512

    60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    944B

    MD5

    380007fbdf9fef355db2afd71fce9cd1

    SHA1

    e98802ef10fac8ef96a3210930784c317ca76fa0

    SHA256

    6353a11014d2c1495ac7a5efef195d06d8e8b30a163c437263361deb5a28de03

    SHA512

    9790c6b4c16ed4f4e6cddf492d01a6b4963e20bde6ddf40017db20ffc672b0cfaea2ad6aebcb51e8e459682974be0d024b35546aad840051a1e9fe2d3e565bd5

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    944B

    MD5

    04f1d68afbed6b13399edfae1e9b1472

    SHA1

    8bfdcb687a995e4a63a8c32df2c66dc89f91a8b0

    SHA256

    f358f33a42122e97c489fad7bbc8beab2eb42d42e4ec7fce0dd61fe6d8c0b8de

    SHA512

    30c5e72a8134992094d937d2588f7a503b1d6407d11afe0265b7c8b0ce14071925e5caed13fc4f9c28705df4c7aed3601f81b007048b148af274d7784aa5fb75

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3qro0d1z.pxe.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\TLauncher
    Filesize

    79KB

    MD5

    5c888eddae30076bd7aaa2e5d5fea097

    SHA1

    6a5b5c290d24bcd984a7083f934dbf35f56ec888

    SHA256

    267d1802344caba41d174d5e9750695c446724e6c480bee1b79100a64931e788

    SHA512

    4a17d517772d0efff6fea2074af232c90f47b370fa9269d36970bec3a8204e1e3df8f273f21287f712d26117a803b428ffd3683581b85498515e1d908c5b3dd1

  • memory/3116-14-0x00007FFE39C20000-0x00007FFE3A6E1000-memory.dmp
    Filesize

    10.8MB

  • memory/3116-15-0x00007FFE39C20000-0x00007FFE3A6E1000-memory.dmp
    Filesize

    10.8MB

  • memory/3116-18-0x00007FFE39C20000-0x00007FFE3A6E1000-memory.dmp
    Filesize

    10.8MB

  • memory/3116-3-0x0000022057220000-0x0000022057242000-memory.dmp
    Filesize

    136KB

  • memory/3116-9-0x00007FFE39C20000-0x00007FFE3A6E1000-memory.dmp
    Filesize

    10.8MB

  • memory/4916-0-0x0000000000C10000-0x0000000000C2A000-memory.dmp
    Filesize

    104KB

  • memory/4916-2-0x00007FFE39C20000-0x00007FFE3A6E1000-memory.dmp
    Filesize

    10.8MB

  • memory/4916-56-0x00007FFE39C23000-0x00007FFE39C25000-memory.dmp
    Filesize

    8KB

  • memory/4916-57-0x00007FFE39C20000-0x00007FFE3A6E1000-memory.dmp
    Filesize

    10.8MB

  • memory/4916-1-0x00007FFE39C23000-0x00007FFE39C25000-memory.dmp
    Filesize

    8KB