Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-02-2023 07:47

General

  • Target

    d87be573a26e97c5b4b8959aab27d931.exe

  • Size

    167KB

  • MD5

    d87be573a26e97c5b4b8959aab27d931

  • SHA1

    0953751d891c051e74bbbb974edc89a29fa88e7e

  • SHA256

    a809d7c791aa2a091554cae7ec1ef8321a2a818c134ec81fb2b53ca2cff7aa34

  • SHA512

    1fa16cbc837b18dce29113ba13301ba48352120e3e16ce660d52bc3bb9fb79c204772e1b31eccd4d684f33aaee22a9a5d68df8682838660bb5a88030b09ac307

  • SSDEEP

    3072:O0O9ibCRpHnL972hGbVl2nES48tezHem:XwlRpHLl2vESMim

Score
10/10

Malware Config

Extracted

Family

systembc

C2

advert127ds.xyz:4044

adxspace147.xyz:4044

Signatures

  • SystemBC

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

  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\d87be573a26e97c5b4b8959aab27d931.exe
    "C:\Users\Admin\AppData\Local\Temp\d87be573a26e97c5b4b8959aab27d931.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:4872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 948
      2⤵
      • Program crash
      PID:4736
  • C:\ProgramData\qvjmfc\wibhw.exe
    C:\ProgramData\qvjmfc\wibhw.exe start
    1⤵
    • Executes dropped EXE
    PID:1256
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4872 -ip 4872
    1⤵
      PID:228

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Command and Control

    Connection Proxy

    1
    T1090

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\qvjmfc\wibhw.exe
      Filesize

      167KB

      MD5

      d87be573a26e97c5b4b8959aab27d931

      SHA1

      0953751d891c051e74bbbb974edc89a29fa88e7e

      SHA256

      a809d7c791aa2a091554cae7ec1ef8321a2a818c134ec81fb2b53ca2cff7aa34

      SHA512

      1fa16cbc837b18dce29113ba13301ba48352120e3e16ce660d52bc3bb9fb79c204772e1b31eccd4d684f33aaee22a9a5d68df8682838660bb5a88030b09ac307

    • C:\ProgramData\qvjmfc\wibhw.exe
      Filesize

      167KB

      MD5

      d87be573a26e97c5b4b8959aab27d931

      SHA1

      0953751d891c051e74bbbb974edc89a29fa88e7e

      SHA256

      a809d7c791aa2a091554cae7ec1ef8321a2a818c134ec81fb2b53ca2cff7aa34

      SHA512

      1fa16cbc837b18dce29113ba13301ba48352120e3e16ce660d52bc3bb9fb79c204772e1b31eccd4d684f33aaee22a9a5d68df8682838660bb5a88030b09ac307

    • memory/1256-137-0x0000000000D52000-0x0000000000D58000-memory.dmp
      Filesize

      24KB

    • memory/1256-138-0x0000000000400000-0x0000000000C6F000-memory.dmp
      Filesize

      8.4MB

    • memory/4872-132-0x0000000000F07000-0x0000000000F0D000-memory.dmp
      Filesize

      24KB

    • memory/4872-133-0x0000000000030000-0x0000000000039000-memory.dmp
      Filesize

      36KB

    • memory/4872-134-0x0000000000400000-0x0000000000C6F000-memory.dmp
      Filesize

      8.4MB

    • memory/4872-139-0x0000000000F07000-0x0000000000F0D000-memory.dmp
      Filesize

      24KB

    • memory/4872-140-0x0000000000400000-0x0000000000C6F000-memory.dmp
      Filesize

      8.4MB