Analysis

  • max time kernel
    128s
  • max time network
    143s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19/07/2023, 06:48

General

  • Target

    Profoma Invoice.exe

  • Size

    593KB

  • MD5

    d07c13653cbed4cca2fde350e264d7ae

  • SHA1

    7ad1d778bfe078670a651a0e9a9d662f2bf9a003

  • SHA256

    b166f8281abdfa0539055969167c53f0d389af8bc8675a7455c1b74da2dddaa7

  • SHA512

    586513a32ec114856a973e8dbf5af05da4dda5e178170cfe6fda90222b38c70fc151a71c0caf63c6a7c3121a4264840688cb41d3a39fa22bb11eea08110b32a9

  • SSDEEP

    12288:jPYPfY7K+ArL4QGTqdRgePNd1MjlmA6wdNQRqHkUV3s5VFPE:jPYPgu+AP4mdPPP26XRykM

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.satnet.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    reve1563

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"
      2⤵
        PID:520
      • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe
        "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:872

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Profoma Invoice.exe.log

            Filesize

            1KB

            MD5

            0c2899d7c6746f42d5bbe088c777f94c

            SHA1

            622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

            SHA256

            5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

            SHA512

            ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

          • memory/872-129-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/872-137-0x0000000004D90000-0x0000000004DA0000-memory.dmp

            Filesize

            64KB

          • memory/872-136-0x0000000073E10000-0x00000000744FE000-memory.dmp

            Filesize

            6.9MB

          • memory/872-135-0x0000000005FF0000-0x00000000061B2000-memory.dmp

            Filesize

            1.8MB

          • memory/872-134-0x0000000004D90000-0x0000000004DA0000-memory.dmp

            Filesize

            64KB

          • memory/872-133-0x0000000073E10000-0x00000000744FE000-memory.dmp

            Filesize

            6.9MB

          • memory/2068-122-0x00000000056E0000-0x00000000056EA000-memory.dmp

            Filesize

            40KB

          • memory/2068-125-0x0000000005930000-0x0000000005940000-memory.dmp

            Filesize

            64KB

          • memory/2068-126-0x0000000005C90000-0x0000000005C9A000-memory.dmp

            Filesize

            40KB

          • memory/2068-127-0x0000000008370000-0x00000000083D0000-memory.dmp

            Filesize

            384KB

          • memory/2068-128-0x000000000AAB0000-0x000000000AB4C000-memory.dmp

            Filesize

            624KB

          • memory/2068-124-0x0000000073E10000-0x00000000744FE000-memory.dmp

            Filesize

            6.9MB

          • memory/2068-123-0x0000000005920000-0x000000000592E000-memory.dmp

            Filesize

            56KB

          • memory/2068-132-0x0000000073E10000-0x00000000744FE000-memory.dmp

            Filesize

            6.9MB

          • memory/2068-117-0x0000000000E00000-0x0000000000E9A000-memory.dmp

            Filesize

            616KB

          • memory/2068-121-0x0000000005930000-0x0000000005940000-memory.dmp

            Filesize

            64KB

          • memory/2068-120-0x00000000056F0000-0x0000000005782000-memory.dmp

            Filesize

            584KB

          • memory/2068-119-0x0000000005D10000-0x000000000620E000-memory.dmp

            Filesize

            5.0MB

          • memory/2068-118-0x0000000073E10000-0x00000000744FE000-memory.dmp

            Filesize

            6.9MB