Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2023, 06:23

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
  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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 use of WriteProcessMemory
    PID:4900
    • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 1504
        3⤵
        • Program crash
        PID:1560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4872 -ip 4872
    1⤵
      PID:1988

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

          • memory/4872-142-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/4872-148-0x0000000075120000-0x00000000758D0000-memory.dmp

            Filesize

            7.7MB

          • memory/4872-147-0x00000000052F0000-0x0000000005300000-memory.dmp

            Filesize

            64KB

          • memory/4872-145-0x0000000075120000-0x00000000758D0000-memory.dmp

            Filesize

            7.7MB

          • memory/4900-136-0x0000000004D60000-0x0000000004DF2000-memory.dmp

            Filesize

            584KB

          • memory/4900-139-0x0000000075120000-0x00000000758D0000-memory.dmp

            Filesize

            7.7MB

          • memory/4900-140-0x0000000004F60000-0x0000000004F70000-memory.dmp

            Filesize

            64KB

          • memory/4900-141-0x000000000A050000-0x000000000A0EC000-memory.dmp

            Filesize

            624KB

          • memory/4900-138-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

            Filesize

            40KB

          • memory/4900-137-0x0000000004F60000-0x0000000004F70000-memory.dmp

            Filesize

            64KB

          • memory/4900-133-0x0000000075120000-0x00000000758D0000-memory.dmp

            Filesize

            7.7MB

          • memory/4900-146-0x0000000075120000-0x00000000758D0000-memory.dmp

            Filesize

            7.7MB

          • memory/4900-135-0x0000000005270000-0x0000000005814000-memory.dmp

            Filesize

            5.6MB

          • memory/4900-134-0x00000000002B0000-0x000000000034A000-memory.dmp

            Filesize

            616KB