Analysis

  • max time kernel
    54s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2022 01:23

General

  • Target

    tmp.exe

  • Size

    1.0MB

  • MD5

    095b613eb266abe973e2b6f808de1961

  • SHA1

    bae2c1ac2687c7f82a0723c25e54816df513c750

  • SHA256

    d5a1c1d4f0dcb307b693d75f759251c84999a1f885d8e4486dbe844402a7fe84

  • SHA512

    1931ab5375de1a0fd34aa05f8af0c8ed15ed8c4cbc7fe01e2d5ea0998c9b5dbc5e08feb067883a42930eba69415efaa2da20443854ef8cd901ff6a551d6aaeb1

  • SSDEEP

    24576:x2x6jEWJzKoImcPTtET49syHrp0Mzqn00v:46jwoI/bKUK+p0MzH0

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://api.telegram.org/bot5321688653:AAEI2yqGrOA_-sRZ3xaqutrexraSgFa0AnA/sendMessage?chat_id=5048077662

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1192

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1192-68-0x0000000000400000-0x000000000047C000-memory.dmp
    Filesize

    496KB

  • memory/1192-60-0x0000000000400000-0x000000000047C000-memory.dmp
    Filesize

    496KB

  • memory/1192-73-0x0000000004C20000-0x0000000004C86000-memory.dmp
    Filesize

    408KB

  • memory/1192-72-0x0000000000480000-0x000000000048A000-memory.dmp
    Filesize

    40KB

  • memory/1192-63-0x0000000000400000-0x000000000047C000-memory.dmp
    Filesize

    496KB

  • memory/1192-70-0x0000000000400000-0x000000000047C000-memory.dmp
    Filesize

    496KB

  • memory/1192-66-0x00000000004771FE-mapping.dmp
  • memory/1192-61-0x0000000000400000-0x000000000047C000-memory.dmp
    Filesize

    496KB

  • memory/1192-65-0x0000000000400000-0x000000000047C000-memory.dmp
    Filesize

    496KB

  • memory/1192-64-0x0000000000400000-0x000000000047C000-memory.dmp
    Filesize

    496KB

  • memory/1972-58-0x00000000055F0000-0x00000000056C8000-memory.dmp
    Filesize

    864KB

  • memory/1972-55-0x00000000756B1000-0x00000000756B3000-memory.dmp
    Filesize

    8KB

  • memory/1972-54-0x0000000001320000-0x000000000142E000-memory.dmp
    Filesize

    1.1MB

  • memory/1972-59-0x0000000005900000-0x000000000597C000-memory.dmp
    Filesize

    496KB

  • memory/1972-57-0x0000000000280000-0x000000000028C000-memory.dmp
    Filesize

    48KB

  • memory/1972-56-0x0000000000230000-0x0000000000244000-memory.dmp
    Filesize

    80KB