Analysis

  • max time kernel
    50s
  • max time network
    50s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2024 14:14

Errors

Reason
Machine shutdown

General

  • Target

    5cd5cb50a9e21ca0a6ed68bb45f7295a97851f8d79108bcfb8311cdc0d420bc8.exe

  • Size

    126KB

  • MD5

    44c6137a640da62e553d4e0c0c92ea85

  • SHA1

    cb0039d1f529c70af31fe580680f0529c20c9a9f

  • SHA256

    5cd5cb50a9e21ca0a6ed68bb45f7295a97851f8d79108bcfb8311cdc0d420bc8

  • SHA512

    adb46b23d889e3b8e5e84567a2bdee447069422743780d8a1f1a788ffe083b2fae143daf9579313280de211189961029313df45baae69d317e4af5722e8327af

  • SSDEEP

    3072:EVsADUYOklG1NOuyUGbDf8OIipwYCBxsq9XLsk:Ey4UqlGtyUG3fDIizCBxb9XL

Malware Config

Extracted

Family

phemedrone

C2

https://api.telegram.org/bot6766891578:AAE47sIyviQ0_skRFQtvxeYcndg1C8RFyo4/sendDocument

Extracted

Family

xworm

Version

3.0

C2

david-florist.gl.at.ply.gg:34674

Attributes
  • Install_directory

    %Public%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Phemedrone

    An information and wallet stealer written in C#.

  • Xworm

    Xworm is a remote access trojan written in C#.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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).

  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 20 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 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\5cd5cb50a9e21ca0a6ed68bb45f7295a97851f8d79108bcfb8311cdc0d420bc8.exe
    "C:\Users\Admin\AppData\Local\Temp\5cd5cb50a9e21ca0a6ed68bb45f7295a97851f8d79108bcfb8311cdc0d420bc8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Users\Admin\AppData\Local\Temp\dwm.exe
      "C:\Users\Admin\AppData\Local\Temp\dwm.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2864
      • 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\dwm.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3736
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'dwm.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2140
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Public\dwm.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4780
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "dwm" /tr "C:\Users\Public\dwm.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1092
      • C:\Windows\SYSTEM32\shutdown.exe
        shutdown.exe /f /s /t 0
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2428
    • C:\Users\Admin\AppData\Local\Temp\Sync Center.exe
      "C:\Users\Admin\AppData\Local\Temp\Sync Center.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Users\Admin\AppData\Local\Temp\Launcher.exe
      "C:\Users\Admin\AppData\Local\Temp\Launcher.exe"
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2024
  • C:\Users\Public\dwm.exe
    C:\Users\Public\dwm.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:928
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa395d055 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:3544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • 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

    62623d22bd9e037191765d5083ce16a3

    SHA1

    4a07da6872672f715a4780513d95ed8ddeefd259

    SHA256

    95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

    SHA512

    9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

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

    Filesize

    944B

    MD5

    3072fa0040b347c3941144486bf30c6f

    SHA1

    e6dc84a5bd882198583653592f17af1bf8cbfc68

    SHA256

    da8b533f81b342503c109e46b081b5c5296fdad5481f93fe5cc648e49ca6238e

    SHA512

    62df0eed621fe8ec340887a03d26b125429025c14ddcdfef82cb78ce1c9c6110c1d51ff0e423754d7966b6251363bf92833970eaf67707f8dd62e1549a79536c

  • C:\Users\Admin\AppData\Local\Temp\Launcher.exe

    Filesize

    22KB

    MD5

    c5531ab09e7b382061ef6000b4316a8c

    SHA1

    a97bfb232859f3a68429ca4516ea8ea02cd82285

    SHA256

    2e6c05ec90e8db1bce430599e91de01408d39e8941ce3fbdf6e8aba97fe67762

    SHA512

    10ae0a09643d8abddbc1c653ca29926ccd36cd630c85d2fa39274b27480c7ff70f3af43da669203b1ad8e8b89274706086b7057d018cd564ce7bb37237d1d68e

  • C:\Users\Admin\AppData\Local\Temp\Sync Center.exe

    Filesize

    121KB

    MD5

    7b6c19c2c8fc4ff9cc5b136f22cf490d

    SHA1

    e557a697a268c54a73aaffd02d25e54c4f601719

    SHA256

    cf6c9880812d48fe7ba3a1d1a1692a881745a7fb8cf6534f94555dd7dd1c3353

    SHA512

    afe23d16011e1eb71ce3be9f8796cf0398cc9e01415c93cd4e8403f1ee84f48e23396ab7709b60d5a9e5b3e5daee9e8f90bae99e6a85ece6475fa8bdd82f953b

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jbeyqjis.2e1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\dwm.exe

    Filesize

    73KB

    MD5

    47fb642b2c85bee2624d803bd1109dfe

    SHA1

    452157d77f861436c452ac20a8e48bfb562a7abc

    SHA256

    adf1dfef469dec04d134cee395017041155bde2d7ad89eb0ecd00a0343839268

    SHA512

    9b54b72602b27fb1ce22f3bb62dda748251be60f0ae61a7f35d2a39734dd207f8f638d09bc5fa0ba055110c67e058d39ccf927ed359ea1dae992a8c98efc4cf1

  • memory/2832-37-0x00007FFCA9BA0000-0x00007FFCAA661000-memory.dmp

    Filesize

    10.8MB

  • memory/2832-34-0x0000000000220000-0x0000000000244000-memory.dmp

    Filesize

    144KB

  • memory/2832-51-0x00007FFCA9BA0000-0x00007FFCAA661000-memory.dmp

    Filesize

    10.8MB

  • memory/2864-39-0x00007FFCA9BA0000-0x00007FFCAA661000-memory.dmp

    Filesize

    10.8MB

  • memory/2864-27-0x0000000000370000-0x0000000000388000-memory.dmp

    Filesize

    96KB

  • memory/2864-26-0x00007FFCA9BA0000-0x00007FFCAA661000-memory.dmp

    Filesize

    10.8MB

  • memory/2864-79-0x00007FFCA9BA0000-0x00007FFCAA661000-memory.dmp

    Filesize

    10.8MB

  • memory/2864-86-0x00007FFCA9BA0000-0x00007FFCAA661000-memory.dmp

    Filesize

    10.8MB

  • memory/2864-87-0x000000001C0E0000-0x000000001C0EA000-memory.dmp

    Filesize

    40KB

  • memory/2864-90-0x00007FFCA9BA0000-0x00007FFCAA661000-memory.dmp

    Filesize

    10.8MB

  • memory/3292-36-0x00007FFCA9BA0000-0x00007FFCAA661000-memory.dmp

    Filesize

    10.8MB

  • memory/3292-0-0x00007FFCA9BA3000-0x00007FFCA9BA5000-memory.dmp

    Filesize

    8KB

  • memory/3292-2-0x00007FFCA9BA0000-0x00007FFCAA661000-memory.dmp

    Filesize

    10.8MB

  • memory/3292-1-0x0000000000840000-0x0000000000866000-memory.dmp

    Filesize

    152KB

  • memory/3736-40-0x00000235F7DC0000-0x00000235F7DE2000-memory.dmp

    Filesize

    136KB