Overview

overview

10

Static

static

10

SantosExec...er.exe

windows7-x64

10

SantosExec...er.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    124s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/05/2024, 14:48

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General

  • Target

    SantosExecutorInstaller.exe

  • Size

    136KB

  • MD5

    2c2c3af94bc32c880278a8d8c4fa831c

  • SHA1

    1ee1f7b2e91f66c8b79d6bb97924484580a9276d

  • SHA256

    2ab6390fcc902b46d3df5107416223da2d1c275d80aab0b7b7d6c0ee8c219644

  • SHA512

    7a774318d756e673ce761c480530e70f7dfa84ce7aaed162f577f19a4afa237695d9de1e1646019106ef52e8315025ec8ca9e0acd6aba13dd74773c7e9ea0efd

  • SSDEEP

    3072:yOT7HFq9tiUOjoBz65/M6If+3Js+3JFkKeTnE:zRq9LxBt25

Score
10/10
stormkittyxwormexecutionratspywarestealertrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

introduction-specifications.gl.at.ply.gg:47117

Mutex

OJaM16tyEwtJe5lG

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

  • telegram

    https://api.telegram.org/bot7098399942:AAGbBTQcHRRS0fdzPhkmgHxFxRybEnM_OnM

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • StormKitty

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

    stealerstormkitty
  • StormKitty payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • 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.

    execution
  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • 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 23 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 32 IoCs
  • Suspicious use of SendNotifyMessage 31 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SantosExecutorInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\SantosExecutorInstaller.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2208
    • 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\SantosExecutorInstaller.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2652
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SantosExecutorInstaller.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2632
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2964
    • 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:1368
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1304

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
          Filesize

          7KB

          MD5

          599c3ca3206ee21ced376c4c0385e17a

          SHA1

          bd3baab7254a001015ba1d7dcc0be4ef7728ad5f

          SHA256

          9f4617383b68a33c7aca7488998db4af88a4615fead3185d3987e2ee4fe85148

          SHA512

          b8304034ffbf68e774679e81b841653ded7b6f8ea8891d6723954bd5a316f28256084bf4f32f93ea8ed2e403b09c3ea280a190208952a866151f3036f14b9240

          Download Submit

        • memory/1304-60-0x0000000140000000-0x00000001405E8000-memory.dmp

          Filesize

          5.9MB

          Download

        • memory/1304-59-0x0000000140000000-0x00000001405E8000-memory.dmp

          Filesize

          5.9MB

          Download

        • memory/2208-31-0x000007FEF5C73000-0x000007FEF5C74000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2208-0-0x000007FEF5C73000-0x000007FEF5C74000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2208-32-0x000000001AB30000-0x000000001AB3C000-memory.dmp

          Filesize

          48KB

          Download

        • memory/2208-33-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

          Filesize

          9.9MB

          Download

        • memory/2208-35-0x000000001CD90000-0x000000001CEAE000-memory.dmp

          Filesize

          1.1MB

          Download

        • memory/2208-2-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

          Filesize

          9.9MB

          Download

        • memory/2208-1-0x0000000000380000-0x00000000003A8000-memory.dmp

          Filesize

          160KB

          Download

        • memory/2632-15-0x000000001B580000-0x000000001B862000-memory.dmp

          Filesize

          2.9MB

          Download

        • memory/2632-16-0x0000000002350000-0x0000000002358000-memory.dmp

          Filesize

          32KB

          Download

        • memory/2652-8-0x000000001B650000-0x000000001B932000-memory.dmp

          Filesize

          2.9MB

          Download

        • memory/2652-9-0x00000000027E0000-0x00000000027E8000-memory.dmp

          Filesize

          32KB

          Download

        • memory/2652-7-0x00000000029C0000-0x0000000002A40000-memory.dmp

          Filesize

          512KB

          Download