Analysis

  • max time kernel
    122s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 07:01

General

  • Target

    a838d82a97f958416bc08c5985fea8ca.exe

  • Size

    325KB

  • MD5

    a838d82a97f958416bc08c5985fea8ca

  • SHA1

    b767c972b9d0f7779dc33af62ecdf0abe593c51b

  • SHA256

    dab25832e2aa9b1844f34e23b9f7bac27dfe2af2ee2c9a5bbec45638caf87b05

  • SHA512

    0fd873bbc3231815180b74b6181fa138ac9d2623b93d5d64cfa89c14b7e2f71104cba3c432e035dbedd45d383233adf7b3cb35a5a5e4d7db5d8ad9c3f23142a8

  • SSDEEP

    6144:6rguHQQbURQH4SAisJeiF91l5xx8pSIHZKO7c:6rguH/URQYSAisJ9jx8pSaKC

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a838d82a97f958416bc08c5985fea8ca.exe
    "C:\Users\Admin\AppData\Local\Temp\a838d82a97f958416bc08c5985fea8ca.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Users\Admin\AppData\Local\Temp\a838d82a97f958416bc08c5985fea8ca.exe
      "C:\Users\Admin\AppData\Local\Temp\a838d82a97f958416bc08c5985fea8ca.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2516-0-0x0000000000130000-0x0000000000186000-memory.dmp

    Filesize

    344KB

  • memory/2516-1-0x0000000074D90000-0x000000007547E000-memory.dmp

    Filesize

    6.9MB

  • memory/2516-2-0x0000000001E30000-0x0000000001E6E000-memory.dmp

    Filesize

    248KB

  • memory/2516-3-0x00000000045A0000-0x00000000045E0000-memory.dmp

    Filesize

    256KB

  • memory/2516-4-0x0000000000560000-0x000000000056A000-memory.dmp

    Filesize

    40KB

  • memory/2516-13-0x0000000074D90000-0x000000007547E000-memory.dmp

    Filesize

    6.9MB

  • memory/2712-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2712-7-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2712-6-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2712-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2712-11-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2712-5-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2712-14-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2712-16-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2712-17-0x0000000074D10000-0x00000000753FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2712-18-0x0000000004960000-0x00000000049A0000-memory.dmp

    Filesize

    256KB

  • memory/2712-19-0x0000000074D10000-0x00000000753FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2712-20-0x0000000004960000-0x00000000049A0000-memory.dmp

    Filesize

    256KB