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Analysis

  • max time kernel
    76s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    25/04/2023, 15:31

General

  • Target

    PO TYER6555556.exe

  • Size

    662KB

  • MD5

    515fcae923fcf7925bc1762c71f6e384

  • SHA1

    4a73794f447193d371b6d188c209e58c1fdb6309

  • SHA256

    414ba539e3dbcea3e5d9618e66b71524bb66e7b4574caff6d4da5f061734bc3a

  • SHA512

    6ef3aef00f34cc01b856634940a74bc0c73d8d2f0de73cf00a69f857842a3c167c7149389df994d33a980197fbb0d561056faefae6a7ba6f4b8635cc21adeb41

  • SSDEEP

    12288:9bSJgvmn1ik/BN6v630WD0aky/vby9OYkC7Irzo5e2vSpRAt3l:9bSJgvmn1ikCv63XyyXZxC74z6edi3l

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5818680343:AAGVJsfIHcopySiifMCdAaFCv-ICp2_Yo_M/sendMessage?chat_id=5765702254

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 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 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\PO TYER6555556.exe
    "C:\Users\Admin\AppData\Local\Temp\PO TYER6555556.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Users\Admin\AppData\Local\Temp\PO TYER6555556.exe
      "C:\Users\Admin\AppData\Local\Temp\PO TYER6555556.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:268

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/268-66-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/268-68-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/268-72-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

    Filesize

    256KB

  • memory/268-71-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

    Filesize

    256KB

  • memory/268-70-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/268-64-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/268-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/268-61-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/268-62-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/268-63-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1764-55-0x0000000002100000-0x0000000002140000-memory.dmp

    Filesize

    256KB

  • memory/1764-60-0x0000000000A90000-0x0000000000AB8000-memory.dmp

    Filesize

    160KB

  • memory/1764-54-0x0000000000260000-0x000000000030C000-memory.dmp

    Filesize

    688KB

  • memory/1764-59-0x0000000005160000-0x00000000051C2000-memory.dmp

    Filesize

    392KB

  • memory/1764-58-0x0000000000320000-0x000000000032C000-memory.dmp

    Filesize

    48KB

  • memory/1764-57-0x0000000002100000-0x0000000002140000-memory.dmp

    Filesize

    256KB

  • memory/1764-56-0x0000000000250000-0x000000000025E000-memory.dmp

    Filesize

    56KB