Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 12:00

General

  • Target

    Tashkent Drive Edition.exe

  • Size

    144KB

  • MD5

    302a161addf4cad7c6f078b7c5ad916a

  • SHA1

    01450a35f72a6db951fb07fce749508f8aafe153

  • SHA256

    be98f5ab32e873468f2ba2fb45215468b0157f7fe894d9af98313444ec945ef6

  • SHA512

    0c60134a2189554e6d47ef0e4845fe2d661b1d7a021bd530b8a323a2496fa7958dad31feb0022348b9c655a4aac4a9a67b13a1adafcac454a4346fa50796d8bd

  • SSDEEP

    1536:HVK6scO5JV+3tOBPvfbVEaf0Qcf9sm65rvO8S6ROzFkcil31gYDbd:1KRRV+3tOB3fbKXK9vO56kUG6

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:53750

involved-delete.gl.at.ply.gg:53750

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.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\Tashkent Drive Edition.exe
    "C:\Users\Admin\AppData\Local\Temp\Tashkent Drive Edition.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:4564
    • 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\Tashkent Drive Edition.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:968
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Tashkent Drive Edition.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2456
    • 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\svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4524
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4840
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1008
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    C:\Users\Admin\AppData\Roaming\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3180
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    C:\Users\Admin\AppData\Roaming\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4996

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\CLR_v4.0\UsageLogs\svchost.exe.log

    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

    Filesize

    944B

    MD5

    cb3a799921d48256ab45414af88b0aa8

    SHA1

    8888fb5656f5f11576c0fbc3ba45d7df56000d28

    SHA256

    5ad60a0e324106c6b5a8a7c41b4eac83234ed53cf26025dd4d63c0750b265105

    SHA512

    21b53b49d0f95cb600444b15a274c31d9374ae96dc2ab464e6ada96bae11f1000e92f6f51f62e5b91891dbbb30e6ab9c71006a9a166b8d4ae24457dcd7efdf69

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

    Filesize

    944B

    MD5

    26403455115fbc3da2573a37cc28744a

    SHA1

    6a9bf407036a8b9d36313462c0257f53b4ee9170

    SHA256

    222a7adb94c5e82df6466a4afce283e905c69f7feb18b3e34583b5cbbd88b352

    SHA512

    be96d478e5d804b8daf805ad28d5eba644fb63a59a799273e029c8047a036f8aac74098efcadee0e4f405dcd1c0a689a1e8eb23f51a93634ed44f5a7c821beb6

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

    Filesize

    944B

    MD5

    0aa63dbb46d451e47a7a682c64af776d

    SHA1

    3b0026f2dae8e9c491ccaa40133755779de35aaa

    SHA256

    9158038718d41172c22a3c1a15852405e3e1c8e2c44fa066328eb1520e5d977b

    SHA512

    4d2564850c2ab1bc71089412f19147df4a1cd3075aa2039aa894271b333cd9c510b7ba4d70889f24d45d8b366d8b5167abdcf24314e4753420337c7d34e7c43f

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a5s3doyf.wsh.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    144KB

    MD5

    302a161addf4cad7c6f078b7c5ad916a

    SHA1

    01450a35f72a6db951fb07fce749508f8aafe153

    SHA256

    be98f5ab32e873468f2ba2fb45215468b0157f7fe894d9af98313444ec945ef6

    SHA512

    0c60134a2189554e6d47ef0e4845fe2d661b1d7a021bd530b8a323a2496fa7958dad31feb0022348b9c655a4aac4a9a67b13a1adafcac454a4346fa50796d8bd

  • memory/968-4-0x00007FFDB2F20000-0x00007FFDB39E1000-memory.dmp

    Filesize

    10.8MB

  • memory/968-17-0x00007FFDB2F20000-0x00007FFDB39E1000-memory.dmp

    Filesize

    10.8MB

  • memory/968-14-0x0000026874E00000-0x0000026874E22000-memory.dmp

    Filesize

    136KB

  • memory/968-3-0x00007FFDB2F20000-0x00007FFDB39E1000-memory.dmp

    Filesize

    10.8MB

  • memory/4564-0-0x00007FFDB2F23000-0x00007FFDB2F25000-memory.dmp

    Filesize

    8KB

  • memory/4564-56-0x00007FFDB2F23000-0x00007FFDB2F25000-memory.dmp

    Filesize

    8KB

  • memory/4564-57-0x00007FFDB2F20000-0x00007FFDB39E1000-memory.dmp

    Filesize

    10.8MB

  • memory/4564-2-0x00007FFDB2F20000-0x00007FFDB39E1000-memory.dmp

    Filesize

    10.8MB

  • memory/4564-1-0x0000000000120000-0x000000000014A000-memory.dmp

    Filesize

    168KB