Analysis

  • max time kernel
    90s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2022 10:05

General

  • Target

    73a0327037d99cc1b679dd7a845323da2380535813892602400997cd7a7495d6.exe

  • Size

    1.0MB

  • MD5

    0dd456a8aeafce60da6af2292455b93d

  • SHA1

    8e68d6cee8e4b6e1e0554133480fdc7e0e7b54dd

  • SHA256

    73a0327037d99cc1b679dd7a845323da2380535813892602400997cd7a7495d6

  • SHA512

    3a09d782a9e0607fe1b881b15ba4554b02352644738ae503d7973aa68ebd1eac953c34a82a917b51774c86aca64a5c659d796f57025078cf6610ee571df2b4f4

  • SSDEEP

    12288:pcfcVvMuKi+HJUGg4/ceF/kbFHyHu4kfUKwItED3V:6fcll+CGg4/ceZkbwHu4kfUKu3V

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5310184099:AAGxqu0IL8tjOF6Eq6x2u0gfcHhvuxRwfLU/sendMessage?chat_id=5350445922

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 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\73a0327037d99cc1b679dd7a845323da2380535813892602400997cd7a7495d6.exe
    "C:\Users\Admin\AppData\Local\Temp\73a0327037d99cc1b679dd7a845323da2380535813892602400997cd7a7495d6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3420
    • C:\Users\Admin\AppData\Local\Temp\73a0327037d99cc1b679dd7a845323da2380535813892602400997cd7a7495d6.exe
      "C:\Users\Admin\AppData\Local\Temp\73a0327037d99cc1b679dd7a845323da2380535813892602400997cd7a7495d6.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3736

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\73a0327037d99cc1b679dd7a845323da2380535813892602400997cd7a7495d6.exe.log

    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

  • memory/3420-132-0x0000000000030000-0x0000000000140000-memory.dmp

    Filesize

    1.1MB

  • memory/3420-133-0x00000000050C0000-0x0000000005664000-memory.dmp

    Filesize

    5.6MB

  • memory/3420-134-0x0000000004B10000-0x0000000004BA2000-memory.dmp

    Filesize

    584KB

  • memory/3420-135-0x0000000004AD0000-0x0000000004ADA000-memory.dmp

    Filesize

    40KB

  • memory/3420-136-0x0000000008540000-0x00000000085DC000-memory.dmp

    Filesize

    624KB

  • memory/3420-137-0x00000000085E0000-0x0000000008646000-memory.dmp

    Filesize

    408KB

  • memory/3736-139-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3736-141-0x0000000006B30000-0x0000000006CF2000-memory.dmp

    Filesize

    1.8MB