Analysis

  • max time kernel
    141s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2024 09:16

General

  • Target

    0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe

  • Size

    5.4MB

  • MD5

    17d5f1c2bc07cccf8ea24587f78c1f8e

  • SHA1

    473559c06647fe7c85c3a9a4bdae12a9925db261

  • SHA256

    0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38

  • SHA512

    d5b475748f80a8b639845af22ad972772b7b69e015a03a9f661739db52e9776ab6d4c6d56eb714f43a3e1e7b61ffba6a0d689fdf57cabebd5dc2f57a34873035

  • SSDEEP

    98304:Qrrw2Fj5i6NO3PzvpIrb78o22MVlp+iKK/Hx/awkuNFEa/alZF2rvkE:yrw2tc3dIrXNDKFxCTuilDwsE

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Socks5systemz family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 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.

  • 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe
    "C:\Users\Admin\AppData\Local\Temp\0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\is-22BTT.tmp\0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-22BTT.tmp\0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp" /SL5="$50150,5408890,54272,C:\Users\Admin\AppData\Local\Temp\0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1944
      • C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe
        "C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe

    Filesize

    2.9MB

    MD5

    09e1998663f0e265624641547d025509

    SHA1

    104b59661403f6e767462ca211ba523a8e8f3929

    SHA256

    5e508828ad93eb3132be86131958921faf6bc9d5ded8076201de7e0156fcf3b1

    SHA512

    f8fb83cf91af688ba8acd28a7398bf4b77235c238cb2d05575caf1f66730c077905a3986e8c824a5d024a3fc78ec5eecf6af4f1794f6dc4cbe4f499e15e0343a

  • \Users\Admin\AppData\Local\Temp\is-22BTT.tmp\0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp

    Filesize

    688KB

    MD5

    d1b8b044b7fbb1b013dd9bd09f066e5d

    SHA1

    952f2190660423dd194c48afe8b2afb5be21afdd

    SHA256

    ae74618cf9cc3cc1b4882fe17bcda074c5fb1b92b8da164d929787ab842ee8ce

    SHA512

    7c0bd4846fdc276b293dbe22b44201d12d68bda09dc2844adb277ed8947bc04246d23de70345e3ca6cfeb26c91f0394c825f12e236375ac37eddecf6668cb870

  • \Users\Admin\AppData\Local\Temp\is-UEJL1.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-UEJL1.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/1944-11-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1944-201-0x0000000003AA0000-0x0000000003D8E000-memory.dmp

    Filesize

    2.9MB

  • memory/1944-169-0x0000000003AA0000-0x0000000003D8E000-memory.dmp

    Filesize

    2.9MB

  • memory/1944-174-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2672-175-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2672-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2672-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2808-183-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-170-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-180-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-171-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-186-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-189-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-192-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-193-0x0000000002900000-0x00000000029A2000-memory.dmp

    Filesize

    648KB

  • memory/2808-199-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-177-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-203-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-206-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-209-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-212-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-215-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-219-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-222-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB