Analysis

  • max time kernel
    292s
  • max time network
    298s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17-06-2024 05:12

General

  • Target

    ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe

  • Size

    5.6MB

  • MD5

    edd8fbb38dbf23b5f903b9a50fa35feb

  • SHA1

    ccc6c7191e44c5887b8f1a2d13ae93f751afbb11

  • SHA256

    ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a

  • SHA512

    1a9c66b0e792f44dcab93544149ce9715863e8b4355062d66fa40e42378a0494569748c01d06cdc3ca6db4d1f6f41ab35fbb0062c07569b8e5dcccdaea9fe945

  • SSDEEP

    98304:my7M1IRkFVWvEM+xoPsMIGojBxpOf5/p60nANJGY7zfytFrKR:yIGUEMGhFCf5/kVzfyPKR

Malware Config

Extracted

Family

socks5systemz

C2

bvjzgig.com

http://bvjzgig.com/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ee97993c

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe
    "C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\is-1TCAI.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-1TCAI.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp" /SL5="$70160,5634076,54272,C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4884
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3104
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
        3⤵
        • Executes dropped EXE
        PID:216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe

    Filesize

    3.2MB

    MD5

    56ceaa1ba076530f2682803533cbce9c

    SHA1

    bf2078e25213a9e5fd7509f3871f0e02cc0cd252

    SHA256

    7904d62c179160ff754f1f1e862e0cc9c21d6610bee1515aa1fe4c85639f9eb3

    SHA512

    869f088b6b786972b9e75da058d5f1d13c3cf6287cbe5a146d24e284a0934b1ed814aea0144b8c94e70ad12ab5993989ba8110ab460a93eba15dc995ae90eb07

  • C:\Users\Admin\AppData\Local\Temp\is-1TCAI.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp

    Filesize

    680KB

    MD5

    a53cd7f9f154eefaf6ff191bb4d65be5

    SHA1

    f9f4f828e214a3f0b086dd4c96a23c0b45d3b4ff

    SHA256

    4b70003d8cca9ebf285e0eaa03e24dd7cfd43370452dda6047654cca899dfb35

    SHA512

    327c5dbb5a3971d578aba98e76ac176a7afe3cb6f6767b6791b67e7a37ed558c0e8d31e20f17721766a3de83896b01681f1564ce55a020c70543359b75f1e88d

  • \Users\Admin\AppData\Local\Temp\is-UI4HO.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-UI4HO.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • memory/216-110-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-117-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-137-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-132-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-129-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-126-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-72-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-123-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-120-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-76-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-79-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-82-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-85-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-88-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-89-0x0000000000A50000-0x0000000000AF2000-memory.dmp

    Filesize

    648KB

  • memory/216-93-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-98-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-101-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-104-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-107-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/216-114-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/2268-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2268-74-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2268-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/3104-70-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/3104-66-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/3104-65-0x0000000000400000-0x0000000000742000-memory.dmp

    Filesize

    3.3MB

  • memory/4884-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4884-75-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB