Analysis

  • max time kernel
    292s
  • max time network
    301s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2025, 22:47

General

  • Target

    9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe

  • Size

    4.5MB

  • MD5

    8831fd64392530c8d957dd1453cc77c9

  • SHA1

    a803a6dc1e4c4cc671acc69dcebc9b2658656b45

  • SHA256

    9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a

  • SHA512

    8f81ebdb5beafe18e90cdf6da454c9fa00802de2752ec1ddd8370381ccde54b9e97f5d5ee8f5628ebcdd06d160208716cde1249b91770d67f95d8ad407173f30

  • SSDEEP

    98304:NzweYLdaaFmAqlBQ/bVwwyqBe25+3sgnhgg3KzooViNDnqGv7:N0eYLdEAqlBuw+15Vpq6ookNrhv7

Malware Config

Extracted

Family

socks5systemz

C2

bdiudjc.com

http://bdiudjc.com/search/?q=67e28dd83e5aa079125baa1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd12c3e7949b3e

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Socks5systemz family
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 3 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.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe
    "C:\Users\Admin\AppData\Local\Temp\9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Users\Admin\AppData\Local\Temp\is-N4B0V.tmp\9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-N4B0V.tmp\9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp" /SL5="$70276,4465888,54272,C:\Users\Admin\AppData\Local\Temp\9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1260
      • C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe
        "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1008
      • C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe
        "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe" -s
        3⤵
        • Executes dropped EXE
        • Unexpected DNS network traffic destination
        • System Location Discovery: System Language Discovery
        PID:1480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Radio Buster\libeay32.dll

    Filesize

    1.9MB

    MD5

    876a839023b8f962a72d295da7495734

    SHA1

    62a7728679bc18784b1fbf1d013f7cece18cbec9

    SHA256

    a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158

    SHA512

    e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1

  • C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe

    Filesize

    2.5MB

    MD5

    d0519d0a7d6b2ce0b426b47f1e77ab06

    SHA1

    b0b777612f4fc5e693a5d3efe18b5d59b2d1ffcc

    SHA256

    15e030e731f4670ae2efd638e98d3f41032b5e7dd75981f2988109ece7f89da4

    SHA512

    431a859e2b9b5ab57d1b4b8a9fbf0a9054bf5771fa1ac0fd14643e01dc72d43c91576bbf43236f04091e079574aed6b2447a76a98941199ebe2d9046b35669a4

  • C:\Users\Admin\AppData\Local\Temp\is-17JBI.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-N4B0V.tmp\9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp

    Filesize

    696KB

    MD5

    0fbd91399a4476ef767a6d203be9af3f

    SHA1

    175c645348c6a6b03cdf4e14bbb73dc522864a78

    SHA256

    213d474063fb52c18c5b0b40bfc1884a3fc8f6b76c71a994c3da56e1be60dbd1

    SHA512

    457b7c9d50a96572339061e6aa35ee7ad2663b38d423499bc606b92eb427315788ac5ae69b046beed0acdfb05bad9eff91bec0564b3ccd5245522d966aec2f91

  • memory/1008-60-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1008-59-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1008-63-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1008-65-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1260-70-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/1260-16-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/1480-83-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-97-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-134-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-131-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-73-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-74-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-77-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-80-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-128-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-86-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-89-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-90-0x0000000000760000-0x0000000000802000-memory.dmp

    Filesize

    648KB

  • memory/1480-96-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-69-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-100-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-103-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-106-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-109-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-112-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-115-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-118-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-122-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/1480-125-0x0000000000400000-0x000000000067E000-memory.dmp

    Filesize

    2.5MB

  • memory/2412-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2412-71-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2412-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB