Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15-10-2024 07:25

General

  • Target

    Invoice for Authorized.exe

  • Size

    1.1MB

  • MD5

    a4f4ace29081f66063d5a8c61739dcb4

  • SHA1

    7ff750b4f4e21d265f28836bd28dc691d3e53125

  • SHA256

    7ea9b98bca8ca5e1b8c7c850202d609181d645462ce39d16a920e25f12ad5b81

  • SHA512

    29fb5ffbd5b89c6f4e4a0751b2562ab57de312f9fb58777efa4a67e93aa29979d6318bddfca2bcfbd81fdbc71bc67221521de432a77519615ad44f56eff7e187

  • SSDEEP

    12288:kPZSZWEL1QAEomSpnr6rMRw2stLNDnuSmfWCE27/Jyirzl3TqcNy3R61R:khSZWEL1DZZQMRFKDnu7W927hrzl

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    BkKMmzZ1

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 4 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 1104
        3⤵
        • Program crash
        PID:2276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2432-0-0x000000007450E000-0x000000007450F000-memory.dmp

    Filesize

    4KB

  • memory/2432-1-0x0000000001160000-0x0000000001276000-memory.dmp

    Filesize

    1.1MB

  • memory/2432-2-0x0000000074500000-0x0000000074BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2432-3-0x0000000000310000-0x000000000032E000-memory.dmp

    Filesize

    120KB

  • memory/2432-4-0x000000007450E000-0x000000007450F000-memory.dmp

    Filesize

    4KB

  • memory/2432-5-0x0000000074500000-0x0000000074BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2432-6-0x0000000000A50000-0x0000000000AE8000-memory.dmp

    Filesize

    608KB

  • memory/2432-7-0x00000000055B0000-0x0000000005618000-memory.dmp

    Filesize

    416KB

  • memory/2432-21-0x0000000074500000-0x0000000074BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-16-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/2748-19-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/2748-14-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/2748-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2748-11-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/2748-10-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/2748-9-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/2748-20-0x0000000074500000-0x0000000074BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-8-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/2748-22-0x0000000074500000-0x0000000074BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-23-0x0000000074500000-0x0000000074BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-24-0x0000000074500000-0x0000000074BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-25-0x0000000074500000-0x0000000074BEE000-memory.dmp

    Filesize

    6.9MB