Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-08-2022 06:32

General

  • Target

    CsFbNASzLBKdkHR.exe

  • Size

    126KB

  • MD5

    eb07425a3a7041d97579e87bd4443e13

  • SHA1

    9428b250c7d822699aab4718cf5414bb3f102435

  • SHA256

    fb6dbdc462a52a6d7b1b79ee926d865284e9602c7cd38ec7225c96167ecef9a9

  • SHA512

    28d839f468aa769bc90fafd2eafb1e74639027411e16c8256231d9caf72c3fac08c1d7a83065bac212de73fded1bca30918ed88af645a20b3d23e69b2972c6f7

  • SSDEEP

    1536:Yt4ZAUsImChnFm5va3Hp9QMa4JBE1b/UToyUpiOWBDfF0Kcl:Yt4Z7smnFm5va3Hbngb8TewBDfFbY

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CsFbNASzLBKdkHR.exe
    "C:\Users\Admin\AppData\Local\Temp\CsFbNASzLBKdkHR.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 1560
      2⤵
      • Program crash
      PID:4340
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3444 -ip 3444
    1⤵
      PID:1588

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3444-132-0x0000000000D70000-0x0000000000D96000-memory.dmp

      Filesize

      152KB

    • memory/3444-133-0x0000000005CE0000-0x0000000006284000-memory.dmp

      Filesize

      5.6MB

    • memory/3444-134-0x00000000057D0000-0x000000000586C000-memory.dmp

      Filesize

      624KB