Analysis

  • max time kernel
    130s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2024 02:35

General

  • Target

    001_080524_321342344doc.exe

  • Size

    1.0MB

  • MD5

    298d56332bad7ea2a42d1f65ebef7b87

  • SHA1

    db91bd82093d6b633924e4ab5b290cbcfd104a5f

  • SHA256

    6f2e4432f83d7dbb8358c4e2ac049d041585cb3bb1eb4e9bfeb5a838e172b557

  • SHA512

    43ea0ed64df6985e7c01b94db4941c5e91ebcae0ebeb8d166a6555f9622b0696fcdac42b502c0b35627bdb92a3083c1cae74e42fd33c4a34a845ec2b991b7576

  • SSDEEP

    12288:EZXSp356kiviaa5Tqt4Bag4EtlWPmhUYenF80s3J30HJl3Dpd/qBb9NL9cte9ct8:EZCD6cUt4F4ETWP5hFE3Al3gbrG

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
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
    "C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
      "C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe"
      2⤵
        PID:4184
      • C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
        "C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe"
        2⤵
          PID:3840
        • C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
          "C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe"
          2⤵
            PID:2204
          • C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
            "C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:1456

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\001_080524_321342344doc.exe.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • memory/1456-11-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1456-19-0x0000000006940000-0x0000000006B02000-memory.dmp

          Filesize

          1.8MB

        • memory/1456-18-0x0000000006720000-0x0000000006770000-memory.dmp

          Filesize

          320KB

        • memory/1456-17-0x0000000075090000-0x0000000075840000-memory.dmp

          Filesize

          7.7MB

        • memory/1456-16-0x0000000075090000-0x0000000075840000-memory.dmp

          Filesize

          7.7MB

        • memory/1456-14-0x0000000075090000-0x0000000075840000-memory.dmp

          Filesize

          7.7MB

        • memory/4540-7-0x0000000004E00000-0x0000000004E10000-memory.dmp

          Filesize

          64KB

        • memory/4540-0-0x000000007509E000-0x000000007509F000-memory.dmp

          Filesize

          4KB

        • memory/4540-9-0x0000000005F90000-0x0000000005FF8000-memory.dmp

          Filesize

          416KB

        • memory/4540-8-0x0000000004E30000-0x0000000004E46000-memory.dmp

          Filesize

          88KB

        • memory/4540-6-0x0000000004DA0000-0x0000000004DBE000-memory.dmp

          Filesize

          120KB

        • memory/4540-15-0x0000000075090000-0x0000000075840000-memory.dmp

          Filesize

          7.7MB

        • memory/4540-5-0x0000000075090000-0x0000000075840000-memory.dmp

          Filesize

          7.7MB

        • memory/4540-4-0x0000000004AE0000-0x0000000004AEA000-memory.dmp

          Filesize

          40KB

        • memory/4540-10-0x00000000086B0000-0x000000000874C000-memory.dmp

          Filesize

          624KB

        • memory/4540-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp

          Filesize

          584KB

        • memory/4540-2-0x0000000005070000-0x0000000005614000-memory.dmp

          Filesize

          5.6MB

        • memory/4540-1-0x0000000000010000-0x0000000000118000-memory.dmp

          Filesize

          1.0MB