Analysis

  • max time kernel
    120s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    20-10-2021 06:24

General

  • Target

    83c11e7d4fcf13515fc5be9938dd75be.exe

  • Size

    641KB

  • MD5

    83c11e7d4fcf13515fc5be9938dd75be

  • SHA1

    5b1267583abf7803a20aa63bc9739894ee567c31

  • SHA256

    df9ce9ef0fe2c633c368b9859f6f88672b5be6867c52ad54d6b7ab42081893fd

  • SHA512

    6b07e7e369554e6bbe036263ef93fe2019606d8ac68049bc44b03dbcaccc5e4f47975fc59d5d54a9fde6bfced9e51f44340de1c8bc3e92f6cbbf84c99fb5f2b2

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    budgetn.shop
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    rSJ9l_d%#+1Z

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83c11e7d4fcf13515fc5be9938dd75be.exe
    "C:\Users\Admin\AppData\Local\Temp\83c11e7d4fcf13515fc5be9938dd75be.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3464
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4472
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1300
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3464-115-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

    Filesize

    4KB

  • memory/3464-117-0x0000000005CE0000-0x0000000005CE1000-memory.dmp

    Filesize

    4KB

  • memory/3464-118-0x0000000005880000-0x0000000005881000-memory.dmp

    Filesize

    4KB

  • memory/3464-119-0x0000000005C20000-0x0000000005C21000-memory.dmp

    Filesize

    4KB

  • memory/3464-120-0x0000000005720000-0x0000000005721000-memory.dmp

    Filesize

    4KB

  • memory/4472-121-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4472-122-0x00000000004203FE-mapping.dmp

  • memory/4472-123-0x0000000000790000-0x0000000000791000-memory.dmp

    Filesize

    4KB

  • memory/4472-124-0x0000000000790000-0x0000000000791000-memory.dmp

    Filesize

    4KB

  • memory/4472-125-0x0000000000790000-0x0000000000791000-memory.dmp

    Filesize

    4KB

  • memory/4472-129-0x0000000009290000-0x0000000009291000-memory.dmp

    Filesize

    4KB

  • memory/4472-130-0x0000000009350000-0x000000000984E000-memory.dmp

    Filesize

    5.0MB

  • memory/4472-131-0x0000000000790000-0x0000000000791000-memory.dmp

    Filesize

    4KB