Analysis

  • max time kernel
    112s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2022 12:48

General

  • Target

    Swift Payment Advice 564302.exe

  • Size

    844KB

  • MD5

    5b2a86d34eaff131522080205e9b7b0f

  • SHA1

    0839b41d670428f6f1889aa212f104aff7943c4e

  • SHA256

    b11b7be01b40fd84ac448864a95e501dc615ba37bf090ce1a831695e132e776a

  • SHA512

    6025a0617d2f724e99d45be78ba5a45c5c10286271f0783b0588a9577567cfc78fdff437059079abc7af97b4d74b550c68aec6e76f8230dcdadd8ed59c4eccc8

  • SSDEEP

    12288:Ep/XBaEB/I/te8WPfQbHZZXWCtiKUITbyAdKgyL6i+gFpHkb0OUp:UBaEBgM8W3DJKUIT9K

Malware Config

Extracted

Family

snakekeylogger

Credentials

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\Swift Payment Advice 564302.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift Payment Advice 564302.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\Users\Admin\AppData\Local\Temp\Swift Payment Advice 564302.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift Payment Advice 564302.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4820

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4820-139-0x0000000000000000-mapping.dmp

  • memory/4820-140-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4820-141-0x0000000006640000-0x0000000006802000-memory.dmp

    Filesize

    1.8MB

  • memory/4836-132-0x00000000008C0000-0x0000000000998000-memory.dmp

    Filesize

    864KB

  • memory/4836-133-0x0000000007D40000-0x00000000082E4000-memory.dmp

    Filesize

    5.6MB

  • memory/4836-134-0x0000000007830000-0x00000000078C2000-memory.dmp

    Filesize

    584KB

  • memory/4836-135-0x0000000008910000-0x0000000008F28000-memory.dmp

    Filesize

    6.1MB

  • memory/4836-136-0x0000000007930000-0x000000000793A000-memory.dmp

    Filesize

    40KB

  • memory/4836-137-0x00000000057B0000-0x000000000584C000-memory.dmp

    Filesize

    624KB

  • memory/4836-138-0x00000000058C0000-0x0000000005926000-memory.dmp

    Filesize

    408KB