Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 21:57

General

  • Target

    ЗАебала.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\ЗАебала.exe
    "C:\Users\Admin\AppData\Local\Temp\ЗАебала.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:3908
    • 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\ЗАебала.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2608
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ЗАебала.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4396
    • 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:4408
    • 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:4616
    • 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:1116
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    C:\Users\Admin\AppData\Roaming\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2512
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    C:\Users\Admin\AppData\Roaming\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2488

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\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

    59d97011e091004eaffb9816aa0b9abd

    SHA1

    1602a56b01dd4b7c577ca27d3117e4bcc1aa657b

    SHA256

    18f381e0db020a763b8c515c346ef58679ab9c403267eacfef5359e272f7e71d

    SHA512

    d9ca49c1a17580981e2c1a50d73c0eecaa7a62f8514741512172e395af2a3d80aeb0f71c58bc7f52c18246d57ba67af09b6bff4776877d6cc6f0245c30e092d6

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

    944B

    MD5

    60945d1a2e48da37d4ce8d9c56b6845a

    SHA1

    83e80a6acbeb44b68b0da00b139471f428a9d6c1

    SHA256

    314b91c00997034d6e015f40230d90ebbf57de5dc938b62c1a214d591793dbe3

    SHA512

    5d068f1d6443e26ae3cad1c80f969e50e5860967b314153c4d3b6efd1cfa39f0907c6427bec7fa43db079f258b6357e4e9a1b0b1a36b1481d2049ea0e67909ed

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

    944B

    MD5

    c08aea9c78561a5f00398a723fdf2925

    SHA1

    2c880cbb5d02169a86bb9517ce2a0184cb177c6e

    SHA256

    63d2688b92da4d1bb69980b7998b9be1595dd9e53951434a9414d019c4f825a7

    SHA512

    d30db2f55bbda7102ffe90520d233355633313dcc77cdb69a26fdbb56e59dd41793def23d69dc5dc3f94c5bd41d3c26b3628886fd2edbed2df0b332e9a21f95c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n43wxv4f.zjn.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/2608-11-0x00007FFC74860000-0x00007FFC75321000-memory.dmp
    Filesize

    10.8MB

  • memory/2608-15-0x00007FFC74860000-0x00007FFC75321000-memory.dmp
    Filesize

    10.8MB

  • memory/2608-18-0x00007FFC74860000-0x00007FFC75321000-memory.dmp
    Filesize

    10.8MB

  • memory/2608-9-0x0000021CDFD50000-0x0000021CDFD72000-memory.dmp
    Filesize

    136KB

  • memory/2608-3-0x00007FFC74860000-0x00007FFC75321000-memory.dmp
    Filesize

    10.8MB

  • memory/3908-0-0x00007FFC74863000-0x00007FFC74865000-memory.dmp
    Filesize

    8KB

  • memory/3908-2-0x00007FFC74860000-0x00007FFC75321000-memory.dmp
    Filesize

    10.8MB

  • memory/3908-57-0x00007FFC74863000-0x00007FFC74865000-memory.dmp
    Filesize

    8KB

  • memory/3908-58-0x00007FFC74860000-0x00007FFC75321000-memory.dmp
    Filesize

    10.8MB

  • memory/3908-1-0x00000000009F0000-0x0000000000A1A000-memory.dmp
    Filesize

    168KB