Analysis

  • max time kernel
    139s
  • 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
    19/07/2023, 12:46

General

  • Target

    Profoma Invoice.exe

  • Size

    590KB

  • MD5

    71a6978a9fa2085234b08af213a85394

  • SHA1

    387997a190c9b12787827903d8b552f4c2448c4a

  • SHA256

    bd7340bfb3d38cb418bb4c539f63898ea6b7e69823c808665620844313c21ddf

  • SHA512

    e480835b33144e1b96b8edeb6aff492b6706ee359a2d257376592e44f2e6337cd0a4214e5f42b8298b0bf5b4a4f98e62fb0fdd762a2b17188f64d13dc0de18ba

  • SSDEEP

    6144:9SnVudiQAPAjPP+iY7JIwd8rTc9BtUYzitmVAWzR4+/7HysCrCFX3mS1B6jKPjp5:eTPYPfY7Hd8rw0wms/0jq8r

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.satnet.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    reve1563

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 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 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4180

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • memory/2552-141-0x0000000009650000-0x00000000096EC000-memory.dmp

          Filesize

          624KB

        • memory/2552-134-0x00000000750C0000-0x0000000075870000-memory.dmp

          Filesize

          7.7MB

        • memory/2552-136-0x0000000005310000-0x00000000053A2000-memory.dmp

          Filesize

          584KB

        • memory/2552-137-0x0000000005580000-0x0000000005590000-memory.dmp

          Filesize

          64KB

        • memory/2552-138-0x00000000053B0000-0x00000000053BA000-memory.dmp

          Filesize

          40KB

        • memory/2552-139-0x00000000750C0000-0x0000000075870000-memory.dmp

          Filesize

          7.7MB

        • memory/2552-135-0x0000000005820000-0x0000000005DC4000-memory.dmp

          Filesize

          5.6MB

        • memory/2552-140-0x0000000005580000-0x0000000005590000-memory.dmp

          Filesize

          64KB

        • memory/2552-146-0x00000000750C0000-0x0000000075870000-memory.dmp

          Filesize

          7.7MB

        • memory/2552-133-0x0000000000870000-0x000000000090A000-memory.dmp

          Filesize

          616KB

        • memory/4180-145-0x00000000750C0000-0x0000000075870000-memory.dmp

          Filesize

          7.7MB

        • memory/4180-142-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/4180-147-0x0000000005A50000-0x0000000005A60000-memory.dmp

          Filesize

          64KB

        • memory/4180-148-0x0000000006C40000-0x0000000006E02000-memory.dmp

          Filesize

          1.8MB

        • memory/4180-149-0x00000000750C0000-0x0000000075870000-memory.dmp

          Filesize

          7.7MB

        • memory/4180-150-0x0000000005A50000-0x0000000005A60000-memory.dmp

          Filesize

          64KB