Analysis

  • max time kernel
    292s
  • max time network
    293s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    09/05/2024, 23:38

General

  • Target

    e68a1c5ebde9342105515e5259d691707ffd659d99ac9dd9379d23efe91b0f63.exe

  • Size

    4.9MB

  • MD5

    c768f06350b5e7046c352a308a1a1849

  • SHA1

    5d4f198e7e9ff28e5bf2064b36f53e3c685a0c03

  • SHA256

    e68a1c5ebde9342105515e5259d691707ffd659d99ac9dd9379d23efe91b0f63

  • SHA512

    ad65c52d27b0cca489f4b38a1ba906a955beef2668ef7169d63cfaf53aab24d6f9440aa422c22a8211aaf8d2a0ec3e6c90e48cb126d4ca072d9bf9645c4bddf2

  • SSDEEP

    98304:+D8AUhGaS/O6XElmn5bIDmu829CLnFS73yBUtBliOFmj0UgW/IRHTd1Zcs:28AeJ6XEM5P1vAixjH/IRJXcs

Malware Config

Extracted

Family

socks5systemz

C2

http://dikevxv.info/search/?q=67e28dd83f0bf1291606a9177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a628cf616c9ea93

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.

  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e68a1c5ebde9342105515e5259d691707ffd659d99ac9dd9379d23efe91b0f63.exe
    "C:\Users\Admin\AppData\Local\Temp\e68a1c5ebde9342105515e5259d691707ffd659d99ac9dd9379d23efe91b0f63.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1540
    • C:\Users\Admin\AppData\Local\Temp\is-JR06O.tmp\e68a1c5ebde9342105515e5259d691707ffd659d99ac9dd9379d23efe91b0f63.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JR06O.tmp\e68a1c5ebde9342105515e5259d691707ffd659d99ac9dd9379d23efe91b0f63.tmp" /SL5="$400D8,4859428,54272,C:\Users\Admin\AppData\Local\Temp\e68a1c5ebde9342105515e5259d691707ffd659d99ac9dd9379d23efe91b0f63.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Users\Admin\AppData\Local\Jenim Music Converter\jenimmusicconverter.exe
        "C:\Users\Admin\AppData\Local\Jenim Music Converter\jenimmusicconverter.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1652
      • C:\Users\Admin\AppData\Local\Jenim Music Converter\jenimmusicconverter.exe
        "C:\Users\Admin\AppData\Local\Jenim Music Converter\jenimmusicconverter.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Jenim Music Converter\libeay32.dll

    Filesize

    2.0MB

    MD5

    1176a2fcbc3cfb77207db7575dd6a522

    SHA1

    e0a854c77a65e542712c9fe3feae2331fcddb7f4

    SHA256

    553200e21658e7976d496c52cc1aeb50446b877ccda4f0b073a553ec3fb48560

    SHA512

    bb00340e4931342c4db499d68e98542f401a985c062810225ee661a7a289a885dab8c64f37fb231212ad2a5d703f3fd0528e8402fc1033cf4128d075714e3f34

  • \Users\Admin\AppData\Local\Jenim Music Converter\jenimmusicconverter.exe

    Filesize

    1.8MB

    MD5

    8f9595947975729d0668870a069fac49

    SHA1

    e154980d4083335fef900136cd2de7e43785c0ff

    SHA256

    bc535ce54f6d7a131497e5bd3edb03503e1c1285e84d6a9c6f7df510186293d8

    SHA512

    e33f13fcc758858db343586e548403db4632db916ee69a09a26faf0087b675a88038deab63978d62c56fca1518acf35906c006ead142680a9f1755a24386c7c0

  • \Users\Admin\AppData\Local\Temp\is-JR06O.tmp\e68a1c5ebde9342105515e5259d691707ffd659d99ac9dd9379d23efe91b0f63.tmp

    Filesize

    695KB

    MD5

    c20681cc4555e94fa86e37fd93665ee3

    SHA1

    1b10057bf7788b5af83f9cc96065fffcc214423e

    SHA256

    96f0e6fdfee29ad7897c969a579a6ffea353ef558bb1d9cb7ca941eb2c71ab03

    SHA512

    88895e93665098f00ec4f8c0a44a6b8d4c0209f80b508a2944a77ca54722ec05440d825202af246344d7e1942b8ccef63dfc7db36bbbbce49a52d1f85d126c5f

  • \Users\Admin\AppData\Local\Temp\is-S8R0S.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-S8R0S.tmp\_isetup\_isdecmp.dll

    Filesize

    32KB

    MD5

    b6f11a0ab7715f570f45900a1fe84732

    SHA1

    77b1201e535445af5ea94c1b03c0a1c34d67a77b

    SHA256

    e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

    SHA512

    78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

  • \Users\Admin\AppData\Local\Temp\is-S8R0S.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/1540-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/1540-78-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1540-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1652-73-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/1652-68-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/1652-69-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/1652-70-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/1664-81-0x00000000037D0000-0x000000000399B000-memory.dmp

    Filesize

    1.8MB

  • memory/1664-16-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1664-67-0x00000000037D0000-0x000000000399B000-memory.dmp

    Filesize

    1.8MB

  • memory/1664-79-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2424-106-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-112-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-84-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-87-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-90-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-93-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-96-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-97-0x0000000002160000-0x0000000002202000-memory.dmp

    Filesize

    648KB

  • memory/2424-103-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-76-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-109-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-80-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-115-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-118-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-122-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-125-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-128-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-131-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-134-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-137-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-142-0x0000000000400000-0x00000000005CB000-memory.dmp

    Filesize

    1.8MB