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Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/07/2023, 06:41

General

  • Target

    CA0001758617120.exe

  • Size

    836KB

  • MD5

    c2d1a785631c83396916bdd8518816ff

  • SHA1

    dcee076cb2e9aaa1aaa7afa3eb3459f0b416abbf

  • SHA256

    51cd37c383bd65bb2631c9ed4aebb75dca4d84b53192f53039ca3a84068ccab2

  • SHA512

    d4149c5edae9796d714125931a285803ec52a55a00d84a51f74248082dc491d6c3864bf963d3554f4f180a493ca86bf6737fd007f7beabf3bed39a3b173151cf

  • SSDEEP

    6144:ie6MWk/df5/E4ay46AFlKQu4EKOQyCQKw6/zaDqp9/j4OCAqkg9sivaEZTq/YYO:v6aVAjFEKOQFQKwulp9/0jAzgX3hq/Y

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot2106150449:AAHIwsHmr23aQkTnyeD_XA0cTAX8yk2mXFM/sendMessage?chat_id=1990813371

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Drops startup file 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CA0001758617120.exe
    "C:\Users\Admin\AppData\Local\Temp\CA0001758617120.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2588
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\CA0001758617120.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anydesk.exe.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3944
    • C:\Users\Admin\AppData\Local\Temp\CA0001758617120.exe
      "C:\Users\Admin\AppData\Local\Temp\CA0001758617120.exe"
      2⤵
        PID:224
      • C:\Users\Admin\AppData\Local\Temp\CA0001758617120.exe
        "C:\Users\Admin\AppData\Local\Temp\CA0001758617120.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1440

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\CA0001758617120.exe.log

      Filesize

      1KB

      MD5

      f70f2afb1d98b299624fd61132100865

      SHA1

      9aae2914e36b490fe83f9d1a2f61111bd06cc702

      SHA256

      3edeb6e7014b149bdf311a69928f3e2b5357fc75b8086e6c97d10cb0c84f98e8

      SHA512

      5314b455fde6bb81415afac2bae35b9efdf000cda50b14af8045977a91d102fac81fadfe63fbc6a263751772e0a34518874ec4995477ec45564bbfebfe2ade25

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rgxvqqxx.kze.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1440-224-0x0000000074630000-0x0000000074DE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1440-223-0x0000000006670000-0x000000000667A000-memory.dmp

      Filesize

      40KB

    • memory/1440-222-0x00000000066B0000-0x0000000006872000-memory.dmp

      Filesize

      1.8MB

    • memory/1440-214-0x0000000005520000-0x0000000005530000-memory.dmp

      Filesize

      64KB

    • memory/1440-212-0x0000000074630000-0x0000000074DE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1440-209-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2588-207-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-185-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-133-0x00000000000F0000-0x00000000001C6000-memory.dmp

      Filesize

      856KB

    • memory/2588-135-0x0000000004B80000-0x0000000004C12000-memory.dmp

      Filesize

      584KB

    • memory/2588-136-0x0000000005200000-0x00000000057A4000-memory.dmp

      Filesize

      5.6MB

    • memory/2588-137-0x0000000004DE0000-0x0000000004DF0000-memory.dmp

      Filesize

      64KB

    • memory/2588-213-0x0000000074630000-0x0000000074DE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2588-138-0x0000000004D30000-0x0000000004D42000-memory.dmp

      Filesize

      72KB

    • memory/2588-157-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-158-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-160-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-162-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-164-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-139-0x00000000057B0000-0x000000000584C000-memory.dmp

      Filesize

      624KB

    • memory/2588-167-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-169-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-171-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-173-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-175-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-177-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-179-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-181-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-183-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-208-0x0000000004D90000-0x0000000004D91000-memory.dmp

      Filesize

      4KB

    • memory/2588-187-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-189-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-191-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-193-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-195-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-197-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-199-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-201-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-203-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-205-0x0000000004D50000-0x0000000004D73000-memory.dmp

      Filesize

      140KB

    • memory/2588-134-0x0000000074630000-0x0000000074DE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3944-216-0x00000000062E0000-0x00000000062FA000-memory.dmp

      Filesize

      104KB

    • memory/3944-140-0x0000000002430000-0x0000000002466000-memory.dmp

      Filesize

      216KB

    • memory/3944-165-0x0000000005DF0000-0x0000000005E0E000-memory.dmp

      Filesize

      120KB

    • memory/3944-141-0x0000000074630000-0x0000000074DE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3944-147-0x00000000056C0000-0x0000000005726000-memory.dmp

      Filesize

      408KB

    • memory/3944-215-0x0000000006DE0000-0x0000000006E76000-memory.dmp

      Filesize

      600KB

    • memory/3944-142-0x0000000002550000-0x0000000002560000-memory.dmp

      Filesize

      64KB

    • memory/3944-146-0x0000000004E10000-0x0000000004E76000-memory.dmp

      Filesize

      408KB

    • memory/3944-217-0x0000000006350000-0x0000000006372000-memory.dmp

      Filesize

      136KB

    • memory/3944-221-0x0000000074630000-0x0000000074DE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3944-145-0x0000000004D70000-0x0000000004D92000-memory.dmp

      Filesize

      136KB

    • memory/3944-144-0x0000000004F20000-0x0000000005548000-memory.dmp

      Filesize

      6.2MB

    • memory/3944-143-0x0000000002550000-0x0000000002560000-memory.dmp

      Filesize

      64KB