Resubmissions

17/12/2022, 12:07

221217-pam9gabe3y 10

15/12/2022, 14:38

221215-rzz1nsce94 10

Analysis

  • max time kernel
    1194s
  • max time network
    1197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/12/2022, 12:07

General

  • Target

    6CA5.exe

  • Size

    327KB

  • MD5

    a533eeaaec1a873d84936633e153dd0a

  • SHA1

    a16f84c4039ddccf9960cee21cb8860f2f1cf34c

  • SHA256

    3f6c84150d51188f54330ce514518c879705052abad3f89325e9c279f1d9403e

  • SHA512

    c599ec24478794dbe3fd1f3124bb93423b610a5d36eb76d625a2401fcc5f368ee40bca9585ba156a06747c593bc415369ae2106ee48b94044a72a59bd1949b79

  • SSDEEP

    6144:3YktL97wOl/cNqWoZAR5Lv2mXMcXQEjSbjfxur/tb:d57rl/ccJ4omxjSbjJurR

Score
10/10

Malware Config

Extracted

Family

systembc

C2

109.205.214.18:443

Signatures

  • SystemBC

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6CA5.exe
    "C:\Users\Admin\AppData\Local\Temp\6CA5.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:3704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3704 -s 492
      2⤵
      • Program crash
      PID:1532
  • C:\ProgramData\xwkwvj\fnnfwqh.exe
    C:\ProgramData\xwkwvj\fnnfwqh.exe start
    1⤵
    • Executes dropped EXE
    PID:3692
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3704 -ip 3704
    1⤵
      PID:4212

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\xwkwvj\fnnfwqh.exe

            Filesize

            327KB

            MD5

            a533eeaaec1a873d84936633e153dd0a

            SHA1

            a16f84c4039ddccf9960cee21cb8860f2f1cf34c

            SHA256

            3f6c84150d51188f54330ce514518c879705052abad3f89325e9c279f1d9403e

            SHA512

            c599ec24478794dbe3fd1f3124bb93423b610a5d36eb76d625a2401fcc5f368ee40bca9585ba156a06747c593bc415369ae2106ee48b94044a72a59bd1949b79

          • C:\ProgramData\xwkwvj\fnnfwqh.exe

            Filesize

            327KB

            MD5

            a533eeaaec1a873d84936633e153dd0a

            SHA1

            a16f84c4039ddccf9960cee21cb8860f2f1cf34c

            SHA256

            3f6c84150d51188f54330ce514518c879705052abad3f89325e9c279f1d9403e

            SHA512

            c599ec24478794dbe3fd1f3124bb93423b610a5d36eb76d625a2401fcc5f368ee40bca9585ba156a06747c593bc415369ae2106ee48b94044a72a59bd1949b79

          • memory/3692-139-0x00000000004B2000-0x00000000004C8000-memory.dmp

            Filesize

            88KB

          • memory/3692-140-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/3704-132-0x0000000000659000-0x000000000066F000-memory.dmp

            Filesize

            88KB

          • memory/3704-133-0x00000000004D0000-0x00000000004D9000-memory.dmp

            Filesize

            36KB

          • memory/3704-134-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/3704-135-0x0000000000659000-0x000000000066F000-memory.dmp

            Filesize

            88KB

          • memory/3704-136-0x00000000004D0000-0x00000000004D9000-memory.dmp

            Filesize

            36KB

          • memory/3704-141-0x0000000000659000-0x000000000066F000-memory.dmp

            Filesize

            88KB

          • memory/3704-142-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB