Analysis

  • max time kernel
    223s
  • max time network
    367s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 18:10

General

  • Target

    3ca281f64c837dc8bbee64ae5936d802aeb5899d900efc3265e3a57b3bd2b3f1.exe

  • Size

    597KB

  • MD5

    3bdfb659d6251a7f901ba781d0a9462b

  • SHA1

    b25c6a4dc617b2bdc04cdcc64cbb1cce8f4ca8f7

  • SHA256

    3ca281f64c837dc8bbee64ae5936d802aeb5899d900efc3265e3a57b3bd2b3f1

  • SHA512

    e33c49c7b07c5410f30b631f572ad46859cd0bc5a5327eeab0ece99ad6946adfe659946b009f34e3a62c9d12a291bf447f835071af73b766bc768124286c964e

  • SSDEEP

    12288:krmIZxD7RP5CJQ/Pjass2FsREr10XecgIwnlK+sZPbLj:krmls6Ner12ycbL

Malware Config

Extracted

Family

snakekeylogger

Credentials

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\3ca281f64c837dc8bbee64ae5936d802aeb5899d900efc3265e3a57b3bd2b3f1.exe
    "C:\Users\Admin\AppData\Local\Temp\3ca281f64c837dc8bbee64ae5936d802aeb5899d900efc3265e3a57b3bd2b3f1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Users\Admin\AppData\Local\Temp\3ca281f64c837dc8bbee64ae5936d802aeb5899d900efc3265e3a57b3bd2b3f1.exe
      "C:\Users\Admin\AppData\Local\Temp\3ca281f64c837dc8bbee64ae5936d802aeb5899d900efc3265e3a57b3bd2b3f1.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/644-54-0x0000000000F70000-0x000000000100C000-memory.dmp

    Filesize

    624KB

  • memory/644-55-0x0000000074E61000-0x0000000074E63000-memory.dmp

    Filesize

    8KB

  • memory/644-56-0x0000000000900000-0x0000000000918000-memory.dmp

    Filesize

    96KB

  • memory/644-57-0x00000000008E0000-0x00000000008EC000-memory.dmp

    Filesize

    48KB

  • memory/644-58-0x0000000000C50000-0x0000000000CB0000-memory.dmp

    Filesize

    384KB

  • memory/644-59-0x0000000000D20000-0x0000000000D46000-memory.dmp

    Filesize

    152KB

  • memory/680-61-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/680-63-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/680-60-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/680-65-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/680-66-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/680-67-0x000000000042029E-mapping.dmp

  • memory/680-69-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/680-71-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB