Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 09:07

General

  • Target

    d7f084d86011371cd5b8206708fd720f1ace9a2eea4c07cee00d9da3f95c9ae1.exe

  • Size

    51KB

  • MD5

    a2ec2f7a3c221f89e8af8241f6cd5662

  • SHA1

    ba5d9ff0c3a8c4b571d85a1ae8fb559fcab89fd3

  • SHA256

    d7f084d86011371cd5b8206708fd720f1ace9a2eea4c07cee00d9da3f95c9ae1

  • SHA512

    e97b01b898bcc28b27079493235dded8f418f676fbb5e89212a502228af32025f8caf8dfdd67a8b8489c2881ca6ff7746917980accd1fd0613bc537e637aa42a

  • SSDEEP

    768:1qTF41hqoKo8sDTO2QhFmp6F5PX9OaSp68OMh/3/C2gOMlAcqDD9ueqwx:1sOhqxdAa28FBF19jSp68OMl6DwJqwx

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:7772

13.71.91.225:7772

Mutex

Sapr6UBSh6DxjMnP

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot7585343577:AAHgS-QNhULHIXmK3EKIXWuMP2uRNZpJjd8/sendMessage?chat_id=5424396760

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • 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
  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7f084d86011371cd5b8206708fd720f1ace9a2eea4c07cee00d9da3f95c9ae1.exe
    "C:\Users\Admin\AppData\Local\Temp\d7f084d86011371cd5b8206708fd720f1ace9a2eea4c07cee00d9da3f95c9ae1.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1816
    • 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\d7f084d86011371cd5b8206708fd720f1ace9a2eea4c07cee00d9da3f95c9ae1.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1140
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'd7f084d86011371cd5b8206708fd720f1ace9a2eea4c07cee00d9da3f95c9ae1.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4572
    • 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\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4360
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    77d622bb1a5b250869a3238b9bc1402b

    SHA1

    d47f4003c2554b9dfc4c16f22460b331886b191b

    SHA256

    f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

    SHA512

    d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

    Filesize

    944B

    MD5

    75d224e238a397659d8e5cf458a41143

    SHA1

    d182d16283d3d864a2e328b677551428c29ad6df

    SHA256

    6a98fa5e6c5b77722f2bd8c855fd14d6bf545fc35b292252d1dc136b89ed2fee

    SHA512

    3477f3b4182ffdccc817de4242c8fcba706c193a0de5170cd023f8df3d330487d7e372556524b5a0fe1df56de40923700f3f8368eadf6601970e347cbcf078cc

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

    Filesize

    944B

    MD5

    15dde0683cd1ca19785d7262f554ba93

    SHA1

    d039c577e438546d10ac64837b05da480d06bf69

    SHA256

    d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961

    SHA512

    57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kyakr51f.hil.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1140-12-0x00007FF865410000-0x00007FF865ED1000-memory.dmp

    Filesize

    10.8MB

  • memory/1140-14-0x00007FF865410000-0x00007FF865ED1000-memory.dmp

    Filesize

    10.8MB

  • memory/1140-15-0x00007FF865410000-0x00007FF865ED1000-memory.dmp

    Filesize

    10.8MB

  • memory/1140-18-0x00007FF865410000-0x00007FF865ED1000-memory.dmp

    Filesize

    10.8MB

  • memory/1140-13-0x0000022952700000-0x0000022952722000-memory.dmp

    Filesize

    136KB

  • memory/1816-0-0x00007FF865413000-0x00007FF865415000-memory.dmp

    Filesize

    8KB

  • memory/1816-2-0x00007FF865410000-0x00007FF865ED1000-memory.dmp

    Filesize

    10.8MB

  • memory/1816-1-0x0000000000A50000-0x0000000000A62000-memory.dmp

    Filesize

    72KB

  • memory/1816-53-0x00007FF865413000-0x00007FF865415000-memory.dmp

    Filesize

    8KB

  • memory/1816-58-0x00007FF865410000-0x00007FF865ED1000-memory.dmp

    Filesize

    10.8MB