Analysis

  • max time kernel
    74s
  • max time network
    162s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    26-08-2021 09:36

General

  • Target

    eufive_20210826-113041.exe

  • Size

    274KB

  • MD5

    41d0be78075317aa1e18fb4fc4b4acf7

  • SHA1

    eafbe46f2b0b403d55f2b9910381e765ebdcbcbf

  • SHA256

    e2c8838fb5069229c2b558dce910f6c656fb94cac1dc96cb31f920ce8e72a30e

  • SHA512

    10bee0ae29e007e1e65ecfc8f639615948a6f891e5e160bf6f57c1ebe8802527999252544dfa704e08466c7b1b6aec304dd0d9e209b427556a461bd06d87455c

Score
10/10

Malware Config

Extracted

Family

systembc

C2

31337.hk:4110

31337r.hk:4110

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\eufive_20210826-113041.exe
    "C:\Users\Admin\AppData\Local\Temp\eufive_20210826-113041.exe"
    1⤵
    • Drops file in Windows directory
    PID:500
  • C:\ProgramData\houjbu\gbiq.exe
    C:\ProgramData\houjbu\gbiq.exe start
    1⤵
    • Executes dropped EXE
    PID:2680

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\ProgramData\houjbu\gbiq.exe

    MD5

    41d0be78075317aa1e18fb4fc4b4acf7

    SHA1

    eafbe46f2b0b403d55f2b9910381e765ebdcbcbf

    SHA256

    e2c8838fb5069229c2b558dce910f6c656fb94cac1dc96cb31f920ce8e72a30e

    SHA512

    10bee0ae29e007e1e65ecfc8f639615948a6f891e5e160bf6f57c1ebe8802527999252544dfa704e08466c7b1b6aec304dd0d9e209b427556a461bd06d87455c

  • C:\ProgramData\houjbu\gbiq.exe

    MD5

    41d0be78075317aa1e18fb4fc4b4acf7

    SHA1

    eafbe46f2b0b403d55f2b9910381e765ebdcbcbf

    SHA256

    e2c8838fb5069229c2b558dce910f6c656fb94cac1dc96cb31f920ce8e72a30e

    SHA512

    10bee0ae29e007e1e65ecfc8f639615948a6f891e5e160bf6f57c1ebe8802527999252544dfa704e08466c7b1b6aec304dd0d9e209b427556a461bd06d87455c

  • memory/500-114-0x00000000023B0000-0x00000000024FA000-memory.dmp

    Filesize

    1.3MB

  • memory/500-115-0x0000000000400000-0x00000000023AE000-memory.dmp

    Filesize

    31.7MB

  • memory/2680-118-0x00000000024A0000-0x00000000025EA000-memory.dmp

    Filesize

    1.3MB

  • memory/2680-119-0x0000000000400000-0x00000000023AE000-memory.dmp

    Filesize

    31.7MB