Analysis

  • max time kernel
    45s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    05-07-2022 14:45

General

  • Target

    0076545678000.exe

  • Size

    1.0MB

  • MD5

    9bda8e2707dc9b3ca9b1c95981d144b1

  • SHA1

    aab28e64faf476b5387249452a72e352cc445cf9

  • SHA256

    74e63c84e986d1f2bc04a315d6232960b99a0148c215c04fa40de78b17a5fa9c

  • SHA512

    012ccdaa448e5d01a4f485479be40540e00d7d75a566b48df2d91cecca9d98fd35d340b9b26f1bb0cd79537b28070e43c56c72d93bb0b7746e323f8475a1894f

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5476629412:AAGbkcFsGq72YxKoGZjVmRBskss9nHikjMc/sendMessage?chat_id=5594190904

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 6 IoCs
  • Downloads MZ/PE file
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0076545678000.exe
    "C:\Users\Admin\AppData\Local\Temp\0076545678000.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\Users\Admin\AppData\Local\Temp\0076545678000.exe
      "C:\Users\Admin\AppData\Local\Temp\0076545678000.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:772

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/772-57-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/772-58-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/772-60-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/772-62-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/772-63-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/772-64-0x000000000041FC8E-mapping.dmp
  • memory/772-68-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/772-66-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/1452-54-0x00000000012F0000-0x00000000013FE000-memory.dmp
    Filesize

    1.1MB

  • memory/1452-55-0x0000000075EF1000-0x0000000075EF3000-memory.dmp
    Filesize

    8KB

  • memory/1452-56-0x00000000005C0000-0x00000000005E2000-memory.dmp
    Filesize

    136KB