Analysis

  • max time kernel
    117s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    27-03-2022 17:15

General

  • Target

    1084219642d497a177c7a02c9c31b193.exe

  • Size

    230KB

  • MD5

    1084219642d497a177c7a02c9c31b193

  • SHA1

    d98644be834e7d3d12346956986f40fb6f50cdf9

  • SHA256

    7861180570ecfb48fccc3e1cff748974c64e58c31530aee4f9243af810200cc3

  • SHA512

    a9e47b2fc6c67ce395adf4f74d4eeb0ecd6ebe79062b61625acb95b6ce7fce0f95adb0b10985ade965c61190564c2a2345be119c3c5c4a6bd99e346495dd82bb

Malware Config

Extracted

Family

systembc

C2

31.44.185.6:4001

31.44.185.11:4001

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

  • suricata: ET MALWARE Win32/SystemBC CnC Checkin

    suricata: ET MALWARE Win32/SystemBC CnC Checkin

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Drops file in Windows directory 5 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1084219642d497a177c7a02c9c31b193.exe
    "C:\Users\Admin\AppData\Local\Temp\1084219642d497a177c7a02c9c31b193.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 484
      2⤵
      • Program crash
      PID:4960
  • C:\ProgramData\hnxe\psgf.exe
    C:\ProgramData\hnxe\psgf.exe start
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    PID:3140
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2584 -ip 2584
    1⤵
      PID:5104
    • C:\Windows\TEMP\ervn.exe
      C:\Windows\TEMP\ervn.exe
      1⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      PID:1328
    • C:\ProgramData\oqug\uruxci.exe
      C:\ProgramData\oqug\uruxci.exe start
      1⤵
      • Executes dropped EXE
      PID:2788

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\hnxe\psgf.exe
      Filesize

      230KB

      MD5

      1084219642d497a177c7a02c9c31b193

      SHA1

      d98644be834e7d3d12346956986f40fb6f50cdf9

      SHA256

      7861180570ecfb48fccc3e1cff748974c64e58c31530aee4f9243af810200cc3

      SHA512

      a9e47b2fc6c67ce395adf4f74d4eeb0ecd6ebe79062b61625acb95b6ce7fce0f95adb0b10985ade965c61190564c2a2345be119c3c5c4a6bd99e346495dd82bb

    • C:\ProgramData\hnxe\psgf.exe
      Filesize

      230KB

      MD5

      1084219642d497a177c7a02c9c31b193

      SHA1

      d98644be834e7d3d12346956986f40fb6f50cdf9

      SHA256

      7861180570ecfb48fccc3e1cff748974c64e58c31530aee4f9243af810200cc3

      SHA512

      a9e47b2fc6c67ce395adf4f74d4eeb0ecd6ebe79062b61625acb95b6ce7fce0f95adb0b10985ade965c61190564c2a2345be119c3c5c4a6bd99e346495dd82bb

    • C:\ProgramData\oqug\uruxci.exe
      Filesize

      272KB

      MD5

      71ebd9fd8ea9fc4e67e52546cb45b35a

      SHA1

      4ce5c776e627a8b13c81b99bcf6cb4bcd7f8369a

      SHA256

      91e432fb78409fd8fbdbc8783b3e53b0352b207c88519c8550d72237785334b6

      SHA512

      5ad93d5047f68e349306d8361de4fcbc1e3694ee148c08877c5ead40d3814443ea168f715f256365fc6c73ab61aec59bd5329964d2083bf9c0a46d83e89924ff

    • C:\ProgramData\oqug\uruxci.exe
      Filesize

      272KB

      MD5

      71ebd9fd8ea9fc4e67e52546cb45b35a

      SHA1

      4ce5c776e627a8b13c81b99bcf6cb4bcd7f8369a

      SHA256

      91e432fb78409fd8fbdbc8783b3e53b0352b207c88519c8550d72237785334b6

      SHA512

      5ad93d5047f68e349306d8361de4fcbc1e3694ee148c08877c5ead40d3814443ea168f715f256365fc6c73ab61aec59bd5329964d2083bf9c0a46d83e89924ff

    • C:\Windows\TEMP\ervn.exe
      Filesize

      272KB

      MD5

      71ebd9fd8ea9fc4e67e52546cb45b35a

      SHA1

      4ce5c776e627a8b13c81b99bcf6cb4bcd7f8369a

      SHA256

      91e432fb78409fd8fbdbc8783b3e53b0352b207c88519c8550d72237785334b6

      SHA512

      5ad93d5047f68e349306d8361de4fcbc1e3694ee148c08877c5ead40d3814443ea168f715f256365fc6c73ab61aec59bd5329964d2083bf9c0a46d83e89924ff

    • C:\Windows\Tasks\psgf.job
      Filesize

      242B

      MD5

      0098086e5af8b6bc0f096bbb6a70fd44

      SHA1

      5cf85ccfc418ca3c2042553999734b582fee3d8f

      SHA256

      60d91df15e56b0982d363398607b9d1accc7478c0390372629fc9c0406a92b4d

      SHA512

      aef8636d12e08661e12bb51bb286c57b7e7a1cb47c157064ea267a22d99a717ed5a7c543c1c7b7eec58695ec00d4147ac9dab4aabc7baa1fb1eb0b83a904c26d

    • C:\Windows\Temp\ervn.exe
      Filesize

      272KB

      MD5

      71ebd9fd8ea9fc4e67e52546cb45b35a

      SHA1

      4ce5c776e627a8b13c81b99bcf6cb4bcd7f8369a

      SHA256

      91e432fb78409fd8fbdbc8783b3e53b0352b207c88519c8550d72237785334b6

      SHA512

      5ad93d5047f68e349306d8361de4fcbc1e3694ee148c08877c5ead40d3814443ea168f715f256365fc6c73ab61aec59bd5329964d2083bf9c0a46d83e89924ff

    • memory/1328-148-0x0000000000400000-0x0000000000487000-memory.dmp
      Filesize

      540KB

    • memory/1328-147-0x0000000000695000-0x000000000069E000-memory.dmp
      Filesize

      36KB

    • memory/1328-145-0x0000000000695000-0x000000000069E000-memory.dmp
      Filesize

      36KB

    • memory/2584-134-0x000000000058C000-0x0000000000595000-memory.dmp
      Filesize

      36KB

    • memory/2584-135-0x000000000058C000-0x0000000000595000-memory.dmp
      Filesize

      36KB

    • memory/2584-137-0x0000000000400000-0x000000000047C000-memory.dmp
      Filesize

      496KB

    • memory/2584-136-0x0000000000550000-0x0000000000559000-memory.dmp
      Filesize

      36KB

    • memory/2788-151-0x0000000000665000-0x000000000066E000-memory.dmp
      Filesize

      36KB

    • memory/2788-152-0x0000000000665000-0x000000000066E000-memory.dmp
      Filesize

      36KB

    • memory/2788-153-0x0000000000400000-0x0000000000487000-memory.dmp
      Filesize

      540KB

    • memory/3140-142-0x0000000000400000-0x000000000047C000-memory.dmp
      Filesize

      496KB

    • memory/3140-141-0x0000000000608000-0x0000000000611000-memory.dmp
      Filesize

      36KB

    • memory/3140-140-0x0000000000608000-0x0000000000611000-memory.dmp
      Filesize

      36KB