Analysis

  • max time kernel
    111s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    18-10-2021 12:33

General

  • Target

    New_Requests_30175082.exe

  • Size

    643KB

  • MD5

    68433ca29865ac4f36e1753c37f9128d

  • SHA1

    007d128da117c20d278508cfbfee948bc67ab404

  • SHA256

    f23eca05013c2cc70a34d176362ea27488988afba7f362b372509273dc5cd449

  • SHA512

    e089be063c7b88a6f6f872032533e1ada27deae584751f714b6740421f6956ba45d50bdd829fe4a3aad69e231fb03f9c2d34ce1e1039097b0bbca372afdbbe17

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    budgetn.shop
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    eC~Z,TG&S9jM

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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New_Requests_30175082.exe
    "C:\Users\Admin\AppData\Local\Temp\New_Requests_30175082.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1968
    • 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:680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 816
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/680-56-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/680-57-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/680-58-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/680-59-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

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

    Filesize

    152KB

  • memory/680-61-0x000000000042041E-mapping.dmp

  • memory/680-62-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/680-65-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/1944-64-0x0000000000000000-mapping.dmp

  • memory/1944-66-0x0000000000460000-0x0000000000461000-memory.dmp

    Filesize

    4KB

  • memory/1968-53-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

    Filesize

    4KB

  • memory/1968-55-0x0000000000630000-0x0000000000631000-memory.dmp

    Filesize

    4KB