Analysis

  • max time kernel
    202s
  • max time network
    206s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    11-08-2023 03:34

General

  • Target

    3bc9a13ed11a0da691a2b97ddd52168dbead463fd5371916a1d574184c422a3c.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\3bc9a13ed11a0da691a2b97ddd52168dbead463fd5371916a1d574184c422a3c.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    PID:2640

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2640-91-0x0000000077250000-0x00000000773F9000-memory.dmp

    Filesize

    1.7MB

  • memory/2640-90-0x000007FEF4740000-0x000007FEF5111000-memory.dmp

    Filesize

    9.8MB

  • memory/2640-89-0x0000000077440000-0x0000000077442000-memory.dmp

    Filesize

    8KB

  • memory/2640-87-0x0000000077440000-0x0000000077442000-memory.dmp

    Filesize

    8KB

  • memory/2640-85-0x0000000077440000-0x0000000077442000-memory.dmp

    Filesize

    8KB

  • memory/2640-84-0x000007FEFD420000-0x000007FEFD422000-memory.dmp

    Filesize

    8KB

  • memory/2640-82-0x000007FEFD420000-0x000007FEFD422000-memory.dmp

    Filesize

    8KB

  • memory/2640-79-0x000007FEFD410000-0x000007FEFD412000-memory.dmp

    Filesize

    8KB

  • memory/2640-77-0x000007FEFD410000-0x000007FEFD412000-memory.dmp

    Filesize

    8KB

  • memory/2640-74-0x0000000077430000-0x0000000077432000-memory.dmp

    Filesize

    8KB

  • memory/2640-72-0x0000000077430000-0x0000000077432000-memory.dmp

    Filesize

    8KB

  • memory/2640-70-0x0000000077430000-0x0000000077432000-memory.dmp

    Filesize

    8KB

  • memory/2640-69-0x0000000077420000-0x0000000077422000-memory.dmp

    Filesize

    8KB

  • memory/2640-67-0x0000000077420000-0x0000000077422000-memory.dmp

    Filesize

    8KB

  • memory/2640-65-0x0000000077420000-0x0000000077422000-memory.dmp

    Filesize

    8KB

  • memory/2640-64-0x0000000077410000-0x0000000077412000-memory.dmp

    Filesize

    8KB

  • memory/2640-62-0x0000000077410000-0x0000000077412000-memory.dmp

    Filesize

    8KB

  • memory/2640-60-0x0000000077410000-0x0000000077412000-memory.dmp

    Filesize

    8KB

  • memory/2640-59-0x0000000077400000-0x0000000077402000-memory.dmp

    Filesize

    8KB

  • memory/2640-57-0x0000000077400000-0x0000000077402000-memory.dmp

    Filesize

    8KB

  • memory/2640-55-0x000007FEF4740000-0x000007FEF5111000-memory.dmp

    Filesize

    9.8MB

  • memory/2640-54-0x0000000077400000-0x0000000077402000-memory.dmp

    Filesize

    8KB

  • memory/2640-92-0x0000000077250000-0x00000000773F9000-memory.dmp

    Filesize

    1.7MB