Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23/04/2024, 18:00

General

  • Target
    fd15b9b162dcbe4f16157d4b13f69a6b2ede55fcd5ddb2a19bce8eb68a363e43.exe
  • Size 202KB
  • Sample240423-wlmweaae44
  • SHA256 fd15b9b162dcbe4f16157d4b13f69a6b2ede55fcd5ddb2a19bce8eb68a363e43
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 127.0.0.1:7000

  • 91.92.252.220:7000

Mutex
  • MeDwR8PJidtfrQQa

Attributes
  • Install_directory

    %AppData%

  • install_file

    explorer.exe

  • telegram

    https://api.telegram.org/bot2128988424:AAEkYnwvOQA95riqRZwlqBxg4GV-odRNOyo/sendMessage?chat_id=966649672

aes.plain

Extracted

Family
  • xworm

Version
  • 3.1

C2
  • 91.92.252.220:4442

Mutex
  • wR68bAqsujrl6VoA

Attributes
  • Install_directory

    %AppData%

  • install_file

    explorer.exe

  • telegram

    https://api.telegram.org/bot2128988424:AAEkYnwvOQA95riqRZwlqBxg4GV-odRNOyo/sendMessage?chat_id=966649672

aes.plain

Extracted

Family
  • redline

Botnet
  • cheat

C2
  • 91.92.252.220:1337

Signatures

  • Detect Xworm Payload 4 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 4 IoCs
  • Executes dropped EXE 9 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 2 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 25 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\fd15b9b162dcbe4f16157d4b13f69a6b2ede55fcd5ddb2a19bce8eb68a363e43.exe
    "C:\Users\Admin\AppData\Local\Temp\fd15b9b162dcbe4f16157d4b13f69a6b2ede55fcd5ddb2a19bce8eb68a363e43.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3480
    • C:\Users\Admin\AppData\Roaming\X1.exe
      "C:\Users\Admin\AppData\Roaming\X1.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:560
      • 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\X1.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1036
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'X1.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:420
      • 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\X1.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2408
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "X1" /tr "C:\Users\Admin\AppData\Roaming\X1.exe"
        3⤵
        • Creates scheduled task(s)
        PID:2604
    • C:\Users\Admin\AppData\Roaming\X2.exe
      "C:\Users\Admin\AppData\Roaming\X2.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4812
      • 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\X2.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4672
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'X2.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3844
      • 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\explorer.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1680
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'explorer.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4668
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "explorer" /tr "C:\Users\Admin\AppData\Roaming\explorer.exe"
        3⤵
        • Creates scheduled task(s)
        PID:5088
    • C:\Users\Admin\AppData\Roaming\build.exe
      "C:\Users\Admin\AppData\Roaming\build.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2996
  • C:\Users\Admin\AppData\Roaming\X1.exe
    C:\Users\Admin\AppData\Roaming\X1.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4580
  • C:\Users\Admin\AppData\Roaming\explorer.exe
    C:\Users\Admin\AppData\Roaming\explorer.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4152
  • C:\Users\Admin\AppData\Roaming\X1.exe
    C:\Users\Admin\AppData\Roaming\X1.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1420
  • C:\Users\Admin\AppData\Roaming\explorer.exe
    C:\Users\Admin\AppData\Roaming\explorer.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:780
  • C:\Users\Admin\AppData\Roaming\X1.exe
    C:\Users\Admin\AppData\Roaming\X1.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1600
  • C:\Users\Admin\AppData\Roaming\explorer.exe
    C:\Users\Admin\AppData\Roaming\explorer.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1232

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        X1.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\X1.exe.log
        • Size 654B
        • SHA256 e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3
        • MD5 SHA1 SHA512

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 6c908b4ca5b098e166b48a0e821050db43fba7299a6553be2303bee5b89545ac
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 41a5aef8b0bbeea2766f40a7bba2c78322379f167c610f7055ccb69e7db030fe
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 dffc7e01106427982d7cafd3d7e3be37e16b098fbb0958410ea8d7c68bfb97ca
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888
        • MD5 SHA1 SHA512

        __PSScriptPolicyTest_axjiebrq.tni.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_axjiebrq.tni.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmp71C6.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp71C6.tmp
        • Size 46KB
        • SHA256 776ecf8411b1b0167bea724409ac9d3f8479973df223ecc6e60e3302b3b2b8ea
        • MD5 SHA1 SHA512 SSDEEP

        tmp71DB.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp71DB.tmp
        • Size 100KB
        • SHA256 6cbbe9efe40e3755eb20de584e4f079f2a1cc17f4ba9b0c9c1032bd70dca1660
        • MD5 SHA1 SHA512 SSDEEP

        tmp7226.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp7226.tmp
        • Size 46KB
        • SHA256 3195ce0f7aa2eae2b21c447f264e2bd4e1dc5208353ac72d964a750de9a83511
        • MD5 SHA1 SHA512 SSDEEP

        tmp723C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp723C.tmp
        • Size 20KB
        • SHA256 451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457
        • MD5 SHA1 SHA512 SSDEEP

        tmp7251.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp7251.tmp
        • Size 112KB
        • SHA256 eeb23424586eb7bc62b51b19f1719c6571b71b167f4d63f25984b7f5c5436db1
        • MD5 SHA1 SHA512 SSDEEP

        tmp726D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp726D.tmp
        • Size 96KB
        • SHA256 0b8607fdf72f3e651a2a8b0ac7be171b4cb44909d76bb8d6c47393b8ea3d84a0
        • MD5 SHA1 SHA512 SSDEEP

        X1.exe

        • Path C:\Users\Admin\AppData\Roaming\X1.exe
        • Size 47KB
        • SHA256 1f204b43acfdf5d1088f37b2159d98d5500bdaeec99cd3f0d6e8ceb77282351b
        • MD5 SHA1 SHA512 SSDEEP

        X2.exe

        • Path C:\Users\Admin\AppData\Roaming\X2.exe
        • Size 49KB
        • SHA256 b019a47dc528a7197129adec69ea6813c28e60884c267cd297524296861a9ed6
        • MD5 SHA1 SHA512 SSDEEP

        build.exe

        • Path C:\Users\Admin\AppData\Roaming\build.exe
        • Size 95KB
        • SHA256 ece58cdda5d85a7fe7d7262313b8041e3c988d814b7dd60f0468dbb7109596ba
        • MD5 SHA1 SHA512 SSDEEP

        memory/420-112-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/420-101-0x000001C6D1D90000-0x000001C6D1DA0000-memory.dmp

        memory/420-87-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/420-89-0x000001C6D1D90000-0x000001C6D1DA0000-memory.dmp

        memory/560-33-0x0000000000070000-0x0000000000082000-memory.dmp

        memory/560-64-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/560-34-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/560-49-0x000000001ADF0000-0x000000001AE00000-memory.dmp

        memory/560-99-0x000000001ADF0000-0x000000001AE00000-memory.dmp

        memory/1036-55-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/1036-80-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/1036-56-0x0000022A57100000-0x0000022A57110000-memory.dmp

        memory/1036-60-0x0000022A3EB50000-0x0000022A3EB72000-memory.dmp

        memory/1036-61-0x0000022A57100000-0x0000022A57110000-memory.dmp

        memory/1036-62-0x0000022A57100000-0x0000022A57110000-memory.dmp

        memory/1036-76-0x0000022A57100000-0x0000022A57110000-memory.dmp

        memory/1680-128-0x000001BF323C0000-0x000001BF323D0000-memory.dmp

        memory/1680-143-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/1680-127-0x000001BF323C0000-0x000001BF323D0000-memory.dmp

        memory/1680-126-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/2408-121-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/2408-140-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/2408-129-0x0000027FE6510000-0x0000027FE6520000-memory.dmp

        memory/2408-123-0x0000027FE6510000-0x0000027FE6520000-memory.dmp

        memory/2996-47-0x0000000004CE0000-0x0000000004D2C000-memory.dmp

        memory/2996-84-0x0000000004D30000-0x0000000004D40000-memory.dmp

        memory/2996-163-0x0000000006420000-0x0000000006486000-memory.dmp

        memory/2996-48-0x0000000004F50000-0x000000000505A000-memory.dmp

        memory/2996-161-0x0000000006950000-0x0000000006E7C000-memory.dmp

        memory/2996-160-0x0000000006250000-0x0000000006412000-memory.dmp

        memory/2996-168-0x0000000006660000-0x00000000066F2000-memory.dmp

        memory/2996-46-0x0000000004D30000-0x0000000004D40000-memory.dmp

        memory/2996-346-0x0000000074B90000-0x0000000075341000-memory.dmp

        memory/2996-169-0x0000000006700000-0x0000000006776000-memory.dmp

        memory/2996-170-0x0000000006900000-0x000000000691E000-memory.dmp

        memory/2996-43-0x0000000005360000-0x0000000005978000-memory.dmp

        memory/2996-41-0x00000000001C0000-0x00000000001DE000-memory.dmp

        memory/2996-167-0x0000000007430000-0x00000000079D6000-memory.dmp

        memory/2996-45-0x0000000004CA0000-0x0000000004CDC000-memory.dmp

        memory/2996-42-0x0000000074B90000-0x0000000075341000-memory.dmp

        memory/2996-44-0x0000000004C40000-0x0000000004C52000-memory.dmp

        memory/2996-82-0x0000000074B90000-0x0000000075341000-memory.dmp

        memory/3480-38-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/3480-0-0x00000000005F0000-0x0000000000628000-memory.dmp

        memory/3480-2-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/3844-125-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/3844-111-0x0000015A6F300000-0x0000015A6F310000-memory.dmp

        memory/3844-100-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/4152-349-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/4580-344-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/4668-154-0x0000013969670000-0x0000013969680000-memory.dmp

        memory/4668-159-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/4668-157-0x0000013969670000-0x0000013969680000-memory.dmp

        memory/4668-155-0x0000013969670000-0x0000013969680000-memory.dmp

        memory/4668-153-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/4672-88-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/4672-63-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/4672-75-0x0000025FBC080000-0x0000025FBC090000-memory.dmp

        memory/4672-77-0x0000025FBC080000-0x0000025FBC090000-memory.dmp

        memory/4672-71-0x0000025FBC080000-0x0000025FBC090000-memory.dmp

        memory/4672-81-0x0000025FBC080000-0x0000025FBC090000-memory.dmp

        memory/4812-35-0x0000000000100000-0x0000000000112000-memory.dmp

        memory/4812-39-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp

        memory/4812-70-0x00007FFD7CB30000-0x00007FFD7D5F2000-memory.dmp