Analysis

  • max time kernel
    293s
  • max time network
    252s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    17-06-2024 05:03

General

  • Target

    37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe

  • Size

    5.6MB

  • MD5

    21186244760b76df08e24a2c3802f7e0

  • SHA1

    562e9f617d0ae071115432e95e71181839082ccd

  • SHA256

    37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a

  • SHA512

    3ef14aa73ab25aad0e48ef40e79150f1afce476670c72c56b0c0102b0a9abf435bf7d42573ac5330e222f542a8e3389aee110dbcd22e1dce4aaf208ed6e3d693

  • SSDEEP

    98304:mDcna40AeZjV/FuD+334nBrbfFzxc0hnLJvEPUTioXK54Va53nzeQ9mpWUGD:AcalAajV/FCnB39VVhnLJvSUTioX1VeD

Malware Config

Extracted

Family

socks5systemz

C2

bpvlwdn.com

http://bpvlwdn.com/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f88ff11c7ef94

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe
    "C:\Users\Admin\AppData\Local\Temp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Users\Admin\AppData\Local\Temp\is-EDURS.tmp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-EDURS.tmp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp" /SL5="$400EA,5636535,54272,C:\Users\Admin\AppData\Local\Temp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2596
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2612

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
    Filesize

    3.2MB

    MD5

    e9e49f1da5dc85b8c0ea95ed7e11ec6a

    SHA1

    22c7720a2716abe1649a57fd47ae849ed6e8ec92

    SHA256

    1390fa94678e7237b074d35f1fea18d1f595944a5d39fd3fbb6446fef0176050

    SHA512

    15d942b8a8b861e7b9db71f84d20fe13ad1335316a47ee7d4ca1ea9bfbf5dd3d30a8469b1d7a2231502eb42d920382bf477b24a483169a8a757ba58c51309aae

  • \Users\Admin\AppData\Local\Temp\is-86IIB.tmp\_isetup\_iscrypt.dll
    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-86IIB.tmp\_isetup\_isdecmp.dll
    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • \Users\Admin\AppData\Local\Temp\is-86IIB.tmp\_isetup\_shfoldr.dll
    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-EDURS.tmp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
    Filesize

    680KB

    MD5

    5baf97b8447c7245e308c807eba2b172

    SHA1

    628c759120b7595bb697c14dd265f7f4616c8e72

    SHA256

    ef10ffb51e1be8ba1b160ebdfee12c968b3f98f71310bdcb003dd117f4b2a124

    SHA512

    dc38d1a5ae1e8b6f3779aea908a55a1853ecf7b6a632f11c50d9abc48aafa60e90182eb5a280d3ba94430d2ce5f02624b4c2000bd636da34643f25c95772e47d

  • memory/2108-3-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/2108-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2108-76-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2596-72-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2596-68-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2596-69-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-85-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-123-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-140-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-135-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-78-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-81-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-132-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-129-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-88-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-91-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-94-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-95-0x00000000022F0000-0x0000000002392000-memory.dmp
    Filesize

    648KB

  • memory/2612-101-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-104-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-107-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-110-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-113-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-116-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-120-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-74-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2612-126-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2744-12-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/2744-82-0x00000000039B0000-0x0000000003CF2000-memory.dmp
    Filesize

    3.3MB

  • memory/2744-77-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/2744-67-0x00000000039B0000-0x0000000003CF2000-memory.dmp
    Filesize

    3.3MB