Analysis

  • max time kernel
    141s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2023, 15:38

General

  • Target

    2656-62-0x0000000000710000-0x0000000000736000-memory.exe

  • Size

    152KB

  • MD5

    c9c19a37e4d75e52bf415c133f546fc2

  • SHA1

    251b410fc802b8378bc9a9b2df6c2ce0d63c20df

  • SHA256

    d960a12a13f566bc978e93bcb44d10c6345ce505487f55b8291d635cefee2c84

  • SHA512

    4a2bd3ff096518e4a418004d72d5eb27ca0e108270ddabf48598a7422368795512aa4931b57558cb2ed5fe45a4fc86024ce41778e9c2833e29962f47459ffd55

  • SSDEEP

    3072:ffDDt3rX3NVk7vJr2b7jq7UTmwB8V4gbY:vt7aRabydVBb

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://brdm.cloud/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    !Awk{o$88]JW

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.

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2656-62-0x0000000000710000-0x0000000000736000-memory.exe
    "C:\Users\Admin\AppData\Local\Temp\2656-62-0x0000000000710000-0x0000000000736000-memory.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3900

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3900-136-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/3900-137-0x0000000000420000-0x0000000000446000-memory.dmp

          Filesize

          152KB

        • memory/3900-138-0x00000000053A0000-0x0000000005944000-memory.dmp

          Filesize

          5.6MB

        • memory/3900-139-0x0000000004E90000-0x0000000004F2C000-memory.dmp

          Filesize

          624KB

        • memory/3900-140-0x00000000051D0000-0x00000000051E0000-memory.dmp

          Filesize

          64KB

        • memory/3900-141-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/3900-142-0x00000000062B0000-0x0000000006472000-memory.dmp

          Filesize

          1.8MB

        • memory/3900-143-0x0000000006480000-0x0000000006512000-memory.dmp

          Filesize

          584KB

        • memory/3900-144-0x0000000006250000-0x000000000625A000-memory.dmp

          Filesize

          40KB

        • memory/3900-145-0x00000000051D0000-0x00000000051E0000-memory.dmp

          Filesize

          64KB