Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-08-2024 03:42

General

  • Target

    7чит.exe

  • Size

    35KB

  • MD5

    c72cf3322b70dadb2eabfcdb7ecd9816

  • SHA1

    ebc7fda12492d1c6b81d140b704933040c641be6

  • SHA256

    2ba67cb3b309ecc5faf5705af16304b30a835c851aa59b1a05cb969c56e8b35f

  • SHA512

    36aa399d640218d3f69c6298cff3ca1ae129748dd0cb2411f61e863417bfa70aaa7ddfc40204c0831afccccc5089f9408a6274b557fd557283629ee2e0fa7a5c

  • SSDEEP

    768:AAcLODKXA3+jEwCSjN82KJRAxFk9AI6RO/hzbGK:AVLIzT0wRqFk9AI6RO/JaK

Malware Config

Extracted

Family

xworm

Version

5.0

C2

master-accused.gl.at.ply.gg:53160

Mutex

tqjmUOGVXtXXs6TJ

Attributes
  • Install_directory

    %AppData%

  • install_file

    Runtime Broker.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • 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 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.

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 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\7чит.exe
    "C:\Users\Admin\AppData\Local\Temp\7чит.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2868
    • 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\7чит.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3840
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '7чит.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4044
    • 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\Runtime Broker.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2616
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Runtime Broker.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1172
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Runtime Broker" /tr "C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2684
  • C:\Users\Admin\AppData\Roaming\Runtime Broker.exe
    "C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2812
  • C:\Users\Admin\AppData\Roaming\Runtime Broker.exe
    "C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Runtime Broker.exe.log

    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

  • 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

    6d3e9c29fe44e90aae6ed30ccf799ca8

    SHA1

    c7974ef72264bbdf13a2793ccf1aed11bc565dce

    SHA256

    2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

    SHA512

    60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

    Filesize

    944B

    MD5

    96e3b86880fedd5afc001d108732a3e5

    SHA1

    8fc17b39d744a9590a6d5897012da5e6757439a3

    SHA256

    c3077e4cadb4ed246c02abe55aa6cf832fee4c2546b7addb7d22cd1c7c8c1294

    SHA512

    909b1968f7204fa7029109b02232d8cc5438f6b4dc7c9044e4e47c59fcee538199b13029e36592b12ed573d48a308dd4822d2ced4129ab08d4111897e02be55d

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

    Filesize

    944B

    MD5

    cae60f0ddddac635da71bba775a2c5b4

    SHA1

    386f1a036af61345a7d303d45f5230e2df817477

    SHA256

    b2dd636b7b0d3bfe44cef5e1175828b1fa7bd84d5563f54342944156ba996c16

    SHA512

    28ed8a8bc132ef56971cfd7b517b17cdb74a7f8c247ef6bff232996210075e06aa58a415825a1e038cfb547ad3dc6882bf1ca1b68c5b360ef0512a1440850253

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wv5geb1m.ty4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\Runtime Broker.exe

    Filesize

    35KB

    MD5

    c72cf3322b70dadb2eabfcdb7ecd9816

    SHA1

    ebc7fda12492d1c6b81d140b704933040c641be6

    SHA256

    2ba67cb3b309ecc5faf5705af16304b30a835c851aa59b1a05cb969c56e8b35f

    SHA512

    36aa399d640218d3f69c6298cff3ca1ae129748dd0cb2411f61e863417bfa70aaa7ddfc40204c0831afccccc5089f9408a6274b557fd557283629ee2e0fa7a5c

  • memory/2868-53-0x00007FFE509A0000-0x00007FFE51461000-memory.dmp

    Filesize

    10.8MB

  • memory/2868-0-0x00007FFE509A3000-0x00007FFE509A5000-memory.dmp

    Filesize

    8KB

  • memory/2868-54-0x00007FFE509A0000-0x00007FFE51461000-memory.dmp

    Filesize

    10.8MB

  • memory/2868-55-0x000000001D6A0000-0x000000001D7C0000-memory.dmp

    Filesize

    1.1MB

  • memory/2868-97-0x0000000002890000-0x0000000002898000-memory.dmp

    Filesize

    32KB

  • memory/2868-1-0x00000000007D0000-0x00000000007DE000-memory.dmp

    Filesize

    56KB

  • memory/3840-17-0x00007FFE509A0000-0x00007FFE51461000-memory.dmp

    Filesize

    10.8MB

  • memory/3840-14-0x00007FFE509A0000-0x00007FFE51461000-memory.dmp

    Filesize

    10.8MB

  • memory/3840-13-0x00007FFE509A0000-0x00007FFE51461000-memory.dmp

    Filesize

    10.8MB

  • memory/3840-12-0x00007FFE509A0000-0x00007FFE51461000-memory.dmp

    Filesize

    10.8MB

  • memory/3840-2-0x00000266FDFC0000-0x00000266FDFE2000-memory.dmp

    Filesize

    136KB