Analysis

  • max time kernel
    140s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 06:55

General

  • Target

    52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.exe

  • Size

    3.8MB

  • MD5

    c2d73ca97fb69061d97564a74c43ce5f

  • SHA1

    3d010cced1561e7347eba5326033a6dc47577555

  • SHA256

    52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60

  • SHA512

    6c7b777466566b893e49e17af1c1d35f95783e456954e664b33b07c641d180f8572e4530bddafbc78f2da43c19c482ea2ca2376636f73916965369841f18ca18

  • SSDEEP

    98304:NNI/37hYmAXQXZF0fQFgA8ChwZ3KkmOEsZe11NmvX+iHpkCv4:E9g8F0oFgZCqtmOEioCvOALv4

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\52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.exe
    "C:\Users\Admin\AppData\Local\Temp\52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Users\Admin\AppData\Local\Temp\is-83F0P.tmp\52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-83F0P.tmp\52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp" /SL5="$4010A,3735493,54272,C:\Users\Admin\AppData\Local\Temp\52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.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:2708
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" pause lerry_video_11261
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2596
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 pause lerry_video_11261
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2568
      • C:\Users\Admin\AppData\Local\Lerry Video 22.0.1000\lerryvideo.exe
        "C:\Users\Admin\AppData\Local\Lerry Video 22.0.1000\lerryvideo.exe" -i
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Lerry Video 22.0.1000\sqlite3.dll

    Filesize

    630KB

    MD5

    e477a96c8f2b18d6b5c27bde49c990bf

    SHA1

    e980c9bf41330d1e5bd04556db4646a0210f7409

    SHA256

    16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

    SHA512

    335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

  • \Users\Admin\AppData\Local\Lerry Video 22.0.1000\lerryvideo.exe

    Filesize

    3.0MB

    MD5

    6f4b2f2a48464b5f2b30099239118c5b

    SHA1

    1052b1b9ff74f1df951621f1e77d6e908e037291

    SHA256

    5a2c242f391504fe2a242fa2cf964f273c71cfb879b213aae9bfab83aab2fb41

    SHA512

    3997406fc3bdceeeb7d763b558d3792df10ee2a3096917f0e359a191b2dd5ac53b56ffa2a9e0c8c8891f9f2611aefc90ea64adf677808f3671f3bb9484f9b9e4

  • \Users\Admin\AppData\Local\Temp\is-83F0P.tmp\52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp

    Filesize

    687KB

    MD5

    cc43c2f4d9a4cd6797fbb97c5019f353

    SHA1

    2b2679df4703e5fdeff2a838f817e8be1ed2c978

    SHA256

    4fa8bac9627a429da8a18c1102300b0cf5221bda6be37e49502ac0a8fc15768f

    SHA512

    f4b376883da3f04dd08964f08c4d34ad738ced4e84287af8c1f465c95f24744c657d6f8fd43f3f094776a9efdd44442de725cf0a9dc9e5a6637c366e815f146c

  • \Users\Admin\AppData\Local\Temp\is-SN55U.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-SN55U.tmp\_isetup\_isdecmp.dll

    Filesize

    19KB

    MD5

    3adaa386b671c2df3bae5b39dc093008

    SHA1

    067cf95fbdb922d81db58432c46930f86d23dded

    SHA256

    71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

    SHA512

    bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

  • \Users\Admin\AppData\Local\Temp\is-SN55U.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

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

    Filesize

    40KB

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

    Filesize

    80KB

  • memory/2412-59-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2692-89-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-81-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-52-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-120-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-116-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-58-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-112-0x0000000002AD0000-0x0000000002B72000-memory.dmp

    Filesize

    648KB

  • memory/2692-62-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/2692-61-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-65-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-69-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-73-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-77-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-50-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-83-0x0000000002AD0000-0x0000000002B72000-memory.dmp

    Filesize

    648KB

  • memory/2692-111-0x0000000002AD0000-0x0000000002B72000-memory.dmp

    Filesize

    648KB

  • memory/2692-93-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-97-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-101-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-105-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2692-109-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2708-10-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2708-49-0x0000000003E60000-0x0000000004161000-memory.dmp

    Filesize

    3.0MB

  • memory/2708-57-0x0000000003E60000-0x0000000004161000-memory.dmp

    Filesize

    3.0MB

  • memory/2708-56-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB