Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 12:34

General

  • Target

    3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe

  • Size

    3.8MB

  • MD5

    0f51b942699f37fb270c79991a2bb926

  • SHA1

    4ee782937cf1ca5aed3bf5fb195a63f9f55f3fdb

  • SHA256

    3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1

  • SHA512

    4164fc0d59863244f4170545a90234430a1f95451951cf52c6a0905f770aa70e9f152ab0469509f35f49a6a0175b202d874a83a79f4313838149f711623a220f

  • SSDEEP

    49152:1vhu5jDH241XBf1pqEa6uiHX8vCWNoHMD0AfUdjuhjSyom0a5MAkc4gR4EAVVTV:NKXH1Ng7BisvCyosD0Af/hWyoM3v4cG7

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Socks5systemz family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 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 5 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe
    "C:\Users\Admin\AppData\Local\Temp\3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\AppData\Local\Temp\is-8KQP6.tmp\3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8KQP6.tmp\3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp" /SL5="$70122,3720544,54272,C:\Users\Admin\AppData\Local\Temp\3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" pause lerry_video_11263
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2840
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 pause lerry_video_11263
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1232
      • C:\Users\Admin\AppData\Local\Lerry Video 22.0.993\lerryvideo3.exe
        "C:\Users\Admin\AppData\Local\Lerry Video 22.0.993\lerryvideo3.exe" -i
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Lerry Video 22.0.993\lerryvideo3.exe

    Filesize

    3.3MB

    MD5

    bb4c48f2d5845919e575b45ab39705a9

    SHA1

    4abbf1c3cec2aefdfe63865099329252d61b02e1

    SHA256

    d273aab747b6d8ae68062ed717ae967629f20e821e056cbe4d2687b2ad34314f

    SHA512

    ce6dfea06af5e9f1334a15069aa86c32006ebb3bd23a6131aa49b9c447b52e2cbc2093e95924b96d439c816dc149b93aa79b4cfb2a5967ad3a6fde31dd2b3e46

  • C:\Users\Admin\AppData\Local\Temp\is-8KQP6.tmp\3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp

    Filesize

    687KB

    MD5

    c04a02f8b093ac408b2ae709e36e741c

    SHA1

    284d702a7c5d946152e8dc3259333dfecc0a9239

    SHA256

    64faae487c106c7fc47192d72e4871ed111b60f69c13a79464c4f2c5e9bc0905

    SHA512

    410dc53283fe4ba1404b56adbe5c5f159580f091d5e40cc5ba4e5e4c5507fd3554756da793613de21d5b99c8f1e8517a34d81c1889205624f1f8123721269787

  • \Users\Admin\AppData\Local\Lerry Video 22.0.993\sqlite3.dll

    Filesize

    630KB

    MD5

    e477a96c8f2b18d6b5c27bde49c990bf

    SHA1

    e980c9bf41330d1e5bd04556db4646a0210f7409

    SHA256

    16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

    SHA512

    335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

  • \Users\Admin\AppData\Local\Temp\is-49EO4.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-49EO4.tmp\_isetup\_isdecmp.dll

    Filesize

    19KB

    MD5

    3adaa386b671c2df3bae5b39dc093008

    SHA1

    067cf95fbdb922d81db58432c46930f86d23dded

    SHA256

    71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

    SHA512

    bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

  • \Users\Admin\AppData\Local\Temp\is-49EO4.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/2640-60-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-93-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-120-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-51-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-116-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-52-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-112-0x0000000002BC0000-0x0000000002C62000-memory.dmp

    Filesize

    648KB

  • memory/2640-111-0x0000000002BC0000-0x0000000002C62000-memory.dmp

    Filesize

    648KB

  • memory/2640-109-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-62-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-105-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-61-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/2640-65-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-69-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-73-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-77-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-81-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-83-0x0000000002BC0000-0x0000000002C62000-memory.dmp

    Filesize

    648KB

  • memory/2640-89-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-101-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2640-97-0x0000000000400000-0x0000000000757000-memory.dmp

    Filesize

    3.3MB

  • memory/2716-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2716-58-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2716-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2832-8-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2832-57-0x0000000003990000-0x0000000003CE7000-memory.dmp

    Filesize

    3.3MB

  • memory/2832-56-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2832-50-0x0000000003990000-0x0000000003CE7000-memory.dmp

    Filesize

    3.3MB