Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    08-08-2023 10:16

General

  • Target

    62813c6cab9234e83949fcc563c33b57.dll

  • Size

    6.0MB

  • MD5

    62813c6cab9234e83949fcc563c33b57

  • SHA1

    474c9abc14fea035d0e80128dbd7260f0cbc42b2

  • SHA256

    b2b82c1977c17aec7ba0074f56c0d61100e616a0ce72dab748ec4269db6c0793

  • SHA512

    a29cdda3218566509cfc3d07b50bfe9ece45fd6a57cb12b649b283204191326e30746bc9d33c63b2e8281b65fd1f19cc79092b81e8cd67d593010c3574986542

  • SSDEEP

    98304:Yk/CgBuUFSDyJ6FqBh2Rvtu9+GdULsSuPbm5u1et8yDD27AadUEpnoj:DBumcyJ6O3LdCgPbSket8yDDTsGj

Malware Config

Extracted

Family

systembc

C2

5.42.65.67:4298

localhost.exchange:4298

Signatures

  • SystemBC

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

  • Blocklisted process makes network request 1 IoCs
  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\62813c6cab9234e83949fcc563c33b57.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    PID:2148

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2148-55-0x000007FEF54E0000-0x000007FEF5F64000-memory.dmp

    Filesize

    10.5MB

  • memory/2148-54-0x0000000077E20000-0x0000000077E22000-memory.dmp

    Filesize

    8KB

  • memory/2148-57-0x0000000077E20000-0x0000000077E22000-memory.dmp

    Filesize

    8KB

  • memory/2148-59-0x0000000077E20000-0x0000000077E22000-memory.dmp

    Filesize

    8KB

  • memory/2148-60-0x0000000077E30000-0x0000000077E32000-memory.dmp

    Filesize

    8KB

  • memory/2148-62-0x0000000077E30000-0x0000000077E32000-memory.dmp

    Filesize

    8KB

  • memory/2148-64-0x0000000077E30000-0x0000000077E32000-memory.dmp

    Filesize

    8KB

  • memory/2148-65-0x0000000077E40000-0x0000000077E42000-memory.dmp

    Filesize

    8KB

  • memory/2148-67-0x0000000077E40000-0x0000000077E42000-memory.dmp

    Filesize

    8KB

  • memory/2148-69-0x0000000077E40000-0x0000000077E42000-memory.dmp

    Filesize

    8KB

  • memory/2148-70-0x0000000077E50000-0x0000000077E52000-memory.dmp

    Filesize

    8KB

  • memory/2148-72-0x0000000077E50000-0x0000000077E52000-memory.dmp

    Filesize

    8KB

  • memory/2148-74-0x0000000077E50000-0x0000000077E52000-memory.dmp

    Filesize

    8KB

  • memory/2148-77-0x000007FEFDB50000-0x000007FEFDB52000-memory.dmp

    Filesize

    8KB

  • memory/2148-79-0x000007FEFDB50000-0x000007FEFDB52000-memory.dmp

    Filesize

    8KB

  • memory/2148-82-0x000007FEFDB60000-0x000007FEFDB62000-memory.dmp

    Filesize

    8KB

  • memory/2148-84-0x000007FEFDB60000-0x000007FEFDB62000-memory.dmp

    Filesize

    8KB

  • memory/2148-85-0x0000000077E60000-0x0000000077E62000-memory.dmp

    Filesize

    8KB

  • memory/2148-87-0x0000000077E60000-0x0000000077E62000-memory.dmp

    Filesize

    8KB

  • memory/2148-89-0x0000000077E60000-0x0000000077E62000-memory.dmp

    Filesize

    8KB

  • memory/2148-90-0x000007FEF54E0000-0x000007FEF5F64000-memory.dmp

    Filesize

    10.5MB

  • memory/2148-91-0x0000000077C70000-0x0000000077E19000-memory.dmp

    Filesize

    1.7MB

  • memory/2148-92-0x0000000077C70000-0x0000000077E19000-memory.dmp

    Filesize

    1.7MB