Analysis

  • max time kernel
    141s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-11-2024 14:44

General

  • Target

    a0ca4749e4765b6f178d0962d4dc311274a08c493b5ade3a5c3066739edb95d5.exe

  • Size

    4.7MB

  • MD5

    3c56648a31026eef48743fceb11f96db

  • SHA1

    dc3cd539e787faf5ebe47950f23f1b730f883367

  • SHA256

    a0ca4749e4765b6f178d0962d4dc311274a08c493b5ade3a5c3066739edb95d5

  • SHA512

    752f360015586e658d12ae89c9c2b2b5ca3ee69cee3c1a86b8edbd699a2005eb3d7a054a696309ebb453b1d93534637c15069e2b4495a5d679fa74cda6b47ac3

  • SSDEEP

    98304:NrlmGtgQVYnsZHfxujkSkOI4hLmy2QGtuNMfa5w0FER4Bq27:zmIYnI/xugSpIqDGtuNQaSQER4Y27

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 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.

  • 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\a0ca4749e4765b6f178d0962d4dc311274a08c493b5ade3a5c3066739edb95d5.exe
    "C:\Users\Admin\AppData\Local\Temp\a0ca4749e4765b6f178d0962d4dc311274a08c493b5ade3a5c3066739edb95d5.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Users\Admin\AppData\Local\Temp\is-1CTJ7.tmp\a0ca4749e4765b6f178d0962d4dc311274a08c493b5ade3a5c3066739edb95d5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-1CTJ7.tmp\a0ca4749e4765b6f178d0962d4dc311274a08c493b5ade3a5c3066739edb95d5.tmp" /SL5="$5014E,4699851,54272,C:\Users\Admin\AppData\Local\Temp\a0ca4749e4765b6f178d0962d4dc311274a08c493b5ade3a5c3066739edb95d5.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:2680
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" pause video_enhancer_11183
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:692
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 pause video_enhancer_11183
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1048
      • C:\Users\Admin\AppData\Local\VCALabs Video Enhancer 1.3.1.13\videoenhancer3.exe
        "C:\Users\Admin\AppData\Local\VCALabs Video Enhancer 1.3.1.13\videoenhancer3.exe" -i
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\is-1CTJ7.tmp\a0ca4749e4765b6f178d0962d4dc311274a08c493b5ade3a5c3066739edb95d5.tmp

    Filesize

    692KB

    MD5

    df43f8523400e83d05b5f315e485f874

    SHA1

    2170dfc88921dd0f83c8f9db8896bb70973623c5

    SHA256

    fb3e3b7266c58298920b76b4a4c9aea30411b7bab4c635aed001c6489f2683e8

    SHA512

    73166c6f1cd51036a5d9b2c39cf492c43df770c12070cb1433c8db860b65bf9bbeddef35046f7592b81c39ed14bbea77100a45489d2cd319246ac4a763e00207

  • \Users\Admin\AppData\Local\Temp\is-T5PQ6.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-T5PQ6.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\VCALabs Video Enhancer 1.3.1.13\sqlite3.dll

    Filesize

    630KB

    MD5

    e477a96c8f2b18d6b5c27bde49c990bf

    SHA1

    e980c9bf41330d1e5bd04556db4646a0210f7409

    SHA256

    16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

    SHA512

    335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

  • \Users\Admin\AppData\Local\VCALabs Video Enhancer 1.3.1.13\videoenhancer3.exe

    Filesize

    4.6MB

    MD5

    d5cee9ce2968361be54a4589fd9f69d8

    SHA1

    6c17f87a12671166a21f8c0d9666d4a7dec99327

    SHA256

    d78fde2e0a25ba568954e362a7b4c571ab78f6e9b06425bba8a2a8e15b962c39

    SHA512

    2f6135dc2228016cfee36a74674d15205b594656bb27f07cbe3dfe347c4975b56a8b442c6dc335424934786819245d9cfd103b7eca4cdf2311822861d617ff76

  • memory/992-115-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-84-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-142-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-138-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-73-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-74-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-133-0x00000000031D0000-0x0000000003272000-memory.dmp

    Filesize

    648KB

  • memory/992-134-0x00000000031D0000-0x0000000003272000-memory.dmp

    Filesize

    648KB

  • memory/992-131-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-83-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/992-82-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-123-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-87-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-91-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-95-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-99-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-103-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-105-0x00000000031D0000-0x0000000003272000-memory.dmp

    Filesize

    648KB

  • memory/992-111-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-127-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/992-119-0x0000000000400000-0x00000000008A8000-memory.dmp

    Filesize

    4.7MB

  • memory/2680-79-0x0000000005400000-0x00000000058A8000-memory.dmp

    Filesize

    4.7MB

  • memory/2680-16-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2680-78-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2680-72-0x0000000005400000-0x00000000058A8000-memory.dmp

    Filesize

    4.7MB

  • memory/2736-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2736-80-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2736-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB