Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    10-08-2023 19:13

General

  • Target

    7b20822375127aaf2c2ec9d1f07a3007.dll

  • Size

    5.8MB

  • MD5

    7b20822375127aaf2c2ec9d1f07a3007

  • SHA1

    c6cc2246cb5fd04ea80c1256ceec10268b876a89

  • SHA256

    3bc9a13ed11a0da691a2b97ddd52168dbead463fd5371916a1d574184c422a3c

  • SHA512

    e7a843db7276164ea677ee04efcd35c2bc1c47b5c7916d32cdd2c1cf372b00b8541716875675afd56ad19536dd9f990050c4fdc5ea9c78d09476700310912f07

  • SSDEEP

    98304:emB1kJ62BWOtIR7AzNS3mVmh/sxWruL0UUXoiEjCQYSRyEK0Upg328Vu2L8IooE:ekKI2BFBS3m0h/P/S2QYwyE13l4w5o

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\7b20822375127aaf2c2ec9d1f07a3007.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    PID:2596

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2596-53-0x00000000775D0000-0x00000000775D2000-memory.dmp

    Filesize

    8KB

  • memory/2596-56-0x000007FEF4DF0000-0x000007FEF57C1000-memory.dmp

    Filesize

    9.8MB

  • memory/2596-55-0x00000000775D0000-0x00000000775D2000-memory.dmp

    Filesize

    8KB

  • memory/2596-58-0x00000000775D0000-0x00000000775D2000-memory.dmp

    Filesize

    8KB

  • memory/2596-59-0x00000000775E0000-0x00000000775E2000-memory.dmp

    Filesize

    8KB

  • memory/2596-61-0x00000000775E0000-0x00000000775E2000-memory.dmp

    Filesize

    8KB

  • memory/2596-63-0x00000000775E0000-0x00000000775E2000-memory.dmp

    Filesize

    8KB

  • memory/2596-64-0x00000000775F0000-0x00000000775F2000-memory.dmp

    Filesize

    8KB

  • memory/2596-66-0x00000000775F0000-0x00000000775F2000-memory.dmp

    Filesize

    8KB

  • memory/2596-68-0x00000000775F0000-0x00000000775F2000-memory.dmp

    Filesize

    8KB

  • memory/2596-69-0x0000000077600000-0x0000000077602000-memory.dmp

    Filesize

    8KB

  • memory/2596-71-0x0000000077600000-0x0000000077602000-memory.dmp

    Filesize

    8KB

  • memory/2596-73-0x0000000077600000-0x0000000077602000-memory.dmp

    Filesize

    8KB

  • memory/2596-76-0x000007FEFD330000-0x000007FEFD332000-memory.dmp

    Filesize

    8KB

  • memory/2596-78-0x000007FEFD330000-0x000007FEFD332000-memory.dmp

    Filesize

    8KB

  • memory/2596-81-0x000007FEFD340000-0x000007FEFD342000-memory.dmp

    Filesize

    8KB

  • memory/2596-83-0x000007FEFD340000-0x000007FEFD342000-memory.dmp

    Filesize

    8KB

  • memory/2596-84-0x0000000077610000-0x0000000077612000-memory.dmp

    Filesize

    8KB

  • memory/2596-86-0x0000000077610000-0x0000000077612000-memory.dmp

    Filesize

    8KB

  • memory/2596-89-0x0000000077420000-0x00000000775C9000-memory.dmp

    Filesize

    1.7MB

  • memory/2596-88-0x0000000077610000-0x0000000077612000-memory.dmp

    Filesize

    8KB

  • memory/2596-90-0x000007FEF4DF0000-0x000007FEF57C1000-memory.dmp

    Filesize

    9.8MB

  • memory/2596-91-0x0000000077420000-0x00000000775C9000-memory.dmp

    Filesize

    1.7MB