Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2023, 09:53

General

  • Target

    1ad7213fc35b76e52a5278afd382c8dc.exe

  • Size

    456KB

  • MD5

    1ad7213fc35b76e52a5278afd382c8dc

  • SHA1

    4549bd31a3f09c8bc48bc763d3d2387b63bfe0b0

  • SHA256

    0c9d6d9180321e740f823f4a5d5d356cefdf7211d264401a6ccc61fa3cd6728f

  • SHA512

    09a33b0d959e832d9b6fc9c47e6f5d2642655714f63e88d2f23987c8314896b6bc7d590a1657b6deda27dc96eb081394b5d2c397d56d0b3fb8de36fc59a90b03

  • SSDEEP

    12288:NWHCM2K4CGcmpn4XkGtSDOidayNXODXC:n3CGv1LqPDX

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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).

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ad7213fc35b76e52a5278afd382c8dc.exe
    "C:\Users\Admin\AppData\Local\Temp\1ad7213fc35b76e52a5278afd382c8dc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:208
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DNKTRTBDxaB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1894.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2808
    • C:\Users\Admin\AppData\Local\Temp\1ad7213fc35b76e52a5278afd382c8dc.exe
      "C:\Users\Admin\AppData\Local\Temp\1ad7213fc35b76e52a5278afd382c8dc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4668 -s 1824
        3⤵
        • Program crash
        PID:2480
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4668 -ip 4668
    1⤵
      PID:3876

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1ad7213fc35b76e52a5278afd382c8dc.exe.log

            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

          • memory/208-139-0x0000000005150000-0x00000000051EC000-memory.dmp

            Filesize

            624KB

          • memory/208-141-0x0000000005140000-0x0000000005150000-memory.dmp

            Filesize

            64KB

          • memory/208-136-0x0000000004F60000-0x0000000004FF2000-memory.dmp

            Filesize

            584KB

          • memory/208-137-0x0000000005140000-0x0000000005150000-memory.dmp

            Filesize

            64KB

          • memory/208-138-0x0000000005060000-0x000000000506A000-memory.dmp

            Filesize

            40KB

          • memory/208-133-0x0000000000450000-0x00000000004C8000-memory.dmp

            Filesize

            480KB

          • memory/208-140-0x00000000748A0000-0x0000000075050000-memory.dmp

            Filesize

            7.7MB

          • memory/208-135-0x0000000005510000-0x0000000005AB4000-memory.dmp

            Filesize

            5.6MB

          • memory/208-151-0x00000000748A0000-0x0000000075050000-memory.dmp

            Filesize

            7.7MB

          • memory/208-134-0x00000000748A0000-0x0000000075050000-memory.dmp

            Filesize

            7.7MB

          • memory/4668-150-0x00000000748A0000-0x0000000075050000-memory.dmp

            Filesize

            7.7MB

          • memory/4668-147-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4668-152-0x0000000005530000-0x0000000005540000-memory.dmp

            Filesize

            64KB

          • memory/4668-153-0x00000000748A0000-0x0000000075050000-memory.dmp

            Filesize

            7.7MB