Analysis

  • max time kernel
    131s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-05-2024 13:28

General

  • Target

    documents_24.5.13YTKargo.pdf.exe

  • Size

    588KB

  • MD5

    7f9adfa5c6ddb5471f7b391d037252b2

  • SHA1

    122645622b73002a2d8b8215d6573ab22523a0e2

  • SHA256

    f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4

  • SHA512

    5f8b6565006dd61e11da209aa1103ca4987bd397a19da5b38a782f61d7bae13c244a4ba2de78982803b764bdd45a831de382da61bbbf3c3ade4d307675a21ad8

  • SSDEEP

    12288:2rRgAXYMjhvPie/rByY7777777777777c99E4NQ2CMiH99dsgJJ8Z0WQoiQFzpgi:2dgAXYMFniyyXzEMCMid9prPwDajgSxF

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 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
  • 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3068
    • 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\documents_24.5.13YTKargo.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4848
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EDqfTdWmvf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2416
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EDqfTdWmvf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC20.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3516
    • C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"
      2⤵
        PID:3724
      • C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"
        2⤵
          PID:3196
        • C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"
          2⤵
            PID:732
          • C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe
            "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:3880
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3740,i,3724086843943218842,1026644135694712596,262144 --variations-seed-version --mojo-platform-channel-handle=3252 /prefetch:8
          1⤵
            PID:4532

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            2KB

            MD5

            3d086a433708053f9bf9523e1d87a4e8

            SHA1

            b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

            SHA256

            6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

            SHA512

            931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

            Filesize

            18KB

            MD5

            2b5873aee126d6ce0b7b01982f26e42b

            SHA1

            f6aa6b2a2caa926d3339e3cbbcf7c3a14492d661

            SHA256

            9f6e552b4705faee55e3e162aff5994e4313b9c33b3a742dc2c9be3b93894120

            SHA512

            7b5b63719377691c7c2577c0ddf472450e9f5d4e8788abc92ca4790a3b3527a737ec0941b1f0c53bdd2bf3975c9294483f4a5dec4a5380ad7b088a5fe87918eb

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vgstsbnl.e31.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmpC20.tmp

            Filesize

            1KB

            MD5

            2ce1e08a0dc1b5388cef2f06f261292c

            SHA1

            1e39302cf093f8d906ca4ce3e97e6bc19160bad0

            SHA256

            f8f838458b4e5becb7d8f1d6ad3378fa2e9dc95f2626e5504a774566c69d444b

            SHA512

            14bcff8aa23117b4f342ef265a70a4663e61df1823ad016fbbea1c63b9c01e16f44db253afe1c7f69e719b1edd5aa95aa539a955c748a4e0184823932682b3a9

          • memory/2416-88-0x0000000074400000-0x0000000074BB0000-memory.dmp

            Filesize

            7.7MB

          • memory/2416-24-0x0000000074400000-0x0000000074BB0000-memory.dmp

            Filesize

            7.7MB

          • memory/2416-22-0x0000000074400000-0x0000000074BB0000-memory.dmp

            Filesize

            7.7MB

          • memory/2416-64-0x000000006F5E0000-0x000000006F62C000-memory.dmp

            Filesize

            304KB

          • memory/2416-45-0x0000000074400000-0x0000000074BB0000-memory.dmp

            Filesize

            7.7MB

          • memory/3068-6-0x0000000005370000-0x0000000005390000-memory.dmp

            Filesize

            128KB

          • memory/3068-3-0x0000000005070000-0x0000000005102000-memory.dmp

            Filesize

            584KB

          • memory/3068-1-0x0000000000710000-0x00000000007AA000-memory.dmp

            Filesize

            616KB

          • memory/3068-0-0x000000007440E000-0x000000007440F000-memory.dmp

            Filesize

            4KB

          • memory/3068-50-0x0000000074400000-0x0000000074BB0000-memory.dmp

            Filesize

            7.7MB

          • memory/3068-9-0x00000000065B0000-0x0000000006618000-memory.dmp

            Filesize

            416KB

          • memory/3068-8-0x00000000056E0000-0x00000000056F6000-memory.dmp

            Filesize

            88KB

          • memory/3068-7-0x00000000053C0000-0x00000000053D0000-memory.dmp

            Filesize

            64KB

          • memory/3068-4-0x0000000005060000-0x000000000506A000-memory.dmp

            Filesize

            40KB

          • memory/3068-5-0x0000000074400000-0x0000000074BB0000-memory.dmp

            Filesize

            7.7MB

          • memory/3068-10-0x0000000008C80000-0x0000000008D1C000-memory.dmp

            Filesize

            624KB

          • memory/3068-2-0x0000000005750000-0x0000000005CF4000-memory.dmp

            Filesize

            5.6MB

          • memory/3880-90-0x0000000006640000-0x0000000006690000-memory.dmp

            Filesize

            320KB

          • memory/3880-91-0x0000000006860000-0x0000000006A22000-memory.dmp

            Filesize

            1.8MB

          • memory/3880-48-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/4848-16-0x00000000057B0000-0x0000000005DD8000-memory.dmp

            Filesize

            6.2MB

          • memory/4848-77-0x0000000007B90000-0x0000000007C26000-memory.dmp

            Filesize

            600KB

          • memory/4848-47-0x0000000006A60000-0x0000000006AAC000-memory.dmp

            Filesize

            304KB

          • memory/4848-44-0x0000000074400000-0x0000000074BB0000-memory.dmp

            Filesize

            7.7MB

          • memory/4848-23-0x0000000006030000-0x0000000006384000-memory.dmp

            Filesize

            3.3MB

          • memory/4848-51-0x0000000006BF0000-0x0000000006C22000-memory.dmp

            Filesize

            200KB

          • memory/4848-62-0x0000000006BB0000-0x0000000006BCE000-memory.dmp

            Filesize

            120KB

          • memory/4848-63-0x0000000007630000-0x00000000076D3000-memory.dmp

            Filesize

            652KB

          • memory/4848-52-0x000000006F5E0000-0x000000006F62C000-memory.dmp

            Filesize

            304KB

          • memory/4848-20-0x0000000005F50000-0x0000000005FB6000-memory.dmp

            Filesize

            408KB

          • memory/4848-75-0x0000000007910000-0x000000000792A000-memory.dmp

            Filesize

            104KB

          • memory/4848-74-0x0000000007F60000-0x00000000085DA000-memory.dmp

            Filesize

            6.5MB

          • memory/4848-76-0x0000000007980000-0x000000000798A000-memory.dmp

            Filesize

            40KB

          • memory/4848-46-0x00000000064F0000-0x000000000650E000-memory.dmp

            Filesize

            120KB

          • memory/4848-78-0x0000000007B10000-0x0000000007B21000-memory.dmp

            Filesize

            68KB

          • memory/4848-79-0x0000000007B40000-0x0000000007B4E000-memory.dmp

            Filesize

            56KB

          • memory/4848-80-0x0000000007B50000-0x0000000007B64000-memory.dmp

            Filesize

            80KB

          • memory/4848-81-0x0000000007C50000-0x0000000007C6A000-memory.dmp

            Filesize

            104KB

          • memory/4848-82-0x0000000007C30000-0x0000000007C38000-memory.dmp

            Filesize

            32KB

          • memory/4848-21-0x0000000005FC0000-0x0000000006026000-memory.dmp

            Filesize

            408KB

          • memory/4848-89-0x0000000074400000-0x0000000074BB0000-memory.dmp

            Filesize

            7.7MB

          • memory/4848-19-0x0000000005650000-0x0000000005672000-memory.dmp

            Filesize

            136KB

          • memory/4848-18-0x0000000074400000-0x0000000074BB0000-memory.dmp

            Filesize

            7.7MB

          • memory/4848-17-0x0000000074400000-0x0000000074BB0000-memory.dmp

            Filesize

            7.7MB

          • memory/4848-15-0x0000000002CD0000-0x0000000002D06000-memory.dmp

            Filesize

            216KB