Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2024 14:07

General

  • Target

    Enquiry 88210103.exe

  • Size

    551KB

  • MD5

    86e68a876e55e70275d6759c10de5345

  • SHA1

    0a15cf065fe62814d1c7bdb09508f99699e0b8ec

  • SHA256

    20cd59764483a62bfcf3d0b85cb92a3ba2dfcb1ef9303c3cef574ef9def84fcf

  • SHA512

    b9632c31b47c489629bbb74e94493aa4c79f76204cdfa569aedbd957e2f11a159b390a700528f7abb1af3578a4d188b4e703162b769328dfd9b2abb11360500d

  • SSDEEP

    12288:Pd+24kzKDSd1JqakAuiJurlPQFfA0xYsPzDtl8wYge:r4kpqaWiJMPQFY0xvPzDf9

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7519296385:AAFFI2mxNdfa3ltOQw6_L0rzJGbiW-4SUz4/sendMessage?chat_id=5116181161

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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.

  • 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 3 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 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\Enquiry 88210103.exe
    "C:\Users\Admin\AppData\Local\Temp\Enquiry 88210103.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Enquiry 88210103.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5040
    • C:\Users\Admin\AppData\Local\Temp\Enquiry 88210103.exe
      "C:\Users\Admin\AppData\Local\Temp\Enquiry 88210103.exe"
      2⤵
        PID:4040
      • C:\Users\Admin\AppData\Local\Temp\Enquiry 88210103.exe
        "C:\Users\Admin\AppData\Local\Temp\Enquiry 88210103.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1204

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Enquiry 88210103.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wwh0fnc0.nm3.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1204-11-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1204-20-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/1204-62-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/1204-63-0x00000000064C0000-0x0000000006510000-memory.dmp

      Filesize

      320KB

    • memory/1204-64-0x00000000066E0000-0x00000000068A2000-memory.dmp

      Filesize

      1.8MB

    • memory/1204-14-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/2160-5-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/2160-9-0x0000000006C80000-0x0000000006CE8000-memory.dmp

      Filesize

      416KB

    • memory/2160-10-0x0000000009360000-0x00000000093FC000-memory.dmp

      Filesize

      624KB

    • memory/2160-8-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/2160-7-0x000000007447E000-0x000000007447F000-memory.dmp

      Filesize

      4KB

    • memory/2160-15-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/2160-6-0x0000000006A00000-0x0000000006A12000-memory.dmp

      Filesize

      72KB

    • memory/2160-0-0x000000007447E000-0x000000007447F000-memory.dmp

      Filesize

      4KB

    • memory/2160-4-0x0000000005230000-0x000000000523A000-memory.dmp

      Filesize

      40KB

    • memory/2160-3-0x0000000005080000-0x0000000005112000-memory.dmp

      Filesize

      584KB

    • memory/2160-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

      Filesize

      5.6MB

    • memory/2160-1-0x0000000000660000-0x00000000006F0000-memory.dmp

      Filesize

      576KB

    • memory/5040-23-0x0000000005810000-0x0000000005876000-memory.dmp

      Filesize

      408KB

    • memory/5040-51-0x0000000007A40000-0x0000000007A5A000-memory.dmp

      Filesize

      104KB

    • memory/5040-21-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/5040-24-0x00000000059B0000-0x0000000005A16000-memory.dmp

      Filesize

      408KB

    • memory/5040-18-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/5040-34-0x0000000006180000-0x00000000064D4000-memory.dmp

      Filesize

      3.3MB

    • memory/5040-35-0x0000000006720000-0x000000000673E000-memory.dmp

      Filesize

      120KB

    • memory/5040-36-0x0000000006740000-0x000000000678C000-memory.dmp

      Filesize

      304KB

    • memory/5040-37-0x0000000006CE0000-0x0000000006D12000-memory.dmp

      Filesize

      200KB

    • memory/5040-38-0x000000006FEA0000-0x000000006FEEC000-memory.dmp

      Filesize

      304KB

    • memory/5040-48-0x0000000006CC0000-0x0000000006CDE000-memory.dmp

      Filesize

      120KB

    • memory/5040-49-0x0000000007710000-0x00000000077B3000-memory.dmp

      Filesize

      652KB

    • memory/5040-50-0x0000000008090000-0x000000000870A000-memory.dmp

      Filesize

      6.5MB

    • memory/5040-22-0x0000000005770000-0x0000000005792000-memory.dmp

      Filesize

      136KB

    • memory/5040-52-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

      Filesize

      40KB

    • memory/5040-53-0x0000000007CC0000-0x0000000007D56000-memory.dmp

      Filesize

      600KB

    • memory/5040-54-0x0000000007C40000-0x0000000007C51000-memory.dmp

      Filesize

      68KB

    • memory/5040-55-0x0000000007C70000-0x0000000007C7E000-memory.dmp

      Filesize

      56KB

    • memory/5040-56-0x0000000007C80000-0x0000000007C94000-memory.dmp

      Filesize

      80KB

    • memory/5040-57-0x0000000007D80000-0x0000000007D9A000-memory.dmp

      Filesize

      104KB

    • memory/5040-58-0x0000000007D60000-0x0000000007D68000-memory.dmp

      Filesize

      32KB

    • memory/5040-61-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/5040-19-0x0000000005A50000-0x0000000006078000-memory.dmp

      Filesize

      6.2MB

    • memory/5040-17-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/5040-16-0x0000000002E20000-0x0000000002E56000-memory.dmp

      Filesize

      216KB