Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2024 21:49

General

  • Target

    acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe

  • Size

    5.8MB

  • MD5

    a67787ccfe25160405bc0ab5d4500991

  • SHA1

    e6e36e72aec5d78f338a7b930da15f0653d422a4

  • SHA256

    acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33

  • SHA512

    45418742319bdb05522f2803c993a5c5ec4f411930f8c191e5c8bfb370bb5880f4ac46dc47dbdb6d6570e6241adece8d35a41ba6482d764e328c156f4e9edd20

  • SSDEEP

    98304:4Lcqx9HgHcCqmAmticT3WlkXELOP7+B4mDD6vIHYMiuyj8hT0gux5nldeWWO:AcvcCqyicDXEgyBTP6vIzFwgux5Pl

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 1 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe
    "C:\Users\Admin\AppData\Local\Temp\acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Users\Admin\AppData\Local\Temp\is-Q3FJB.tmp\acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-Q3FJB.tmp\acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp" /SL5="$60114,5848564,56832,C:\Users\Admin\AppData\Local\Temp\acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.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:4512
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" pause cut_movie_1174
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 pause cut_movie_1174
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4964
      • C:\Users\Admin\AppData\Local\Cut Movie 19.3.35\cutmovie32_64.exe
        "C:\Users\Admin\AppData\Local\Cut Movie 19.3.35\cutmovie32_64.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Cut Movie 19.3.35\cutmovie32_64.exe

    Filesize

    3.5MB

    MD5

    6de49d882ae5446c78aacafe53d3eb19

    SHA1

    2a72184e0f2a6e1d65d0ab401ed2b5b30d6303bd

    SHA256

    4202a8379cdec28d21738f6dd9d6a021b8b0594cb4fe13f36db15a245d9fa787

    SHA512

    8c68ce742ce223807b16bb5386301f7aae2ecc655d4b52b61119342488196ed22bc64502571604becff49d1ed4907958c634d6d0e3d0e52f2b5c8d51862e2456

  • C:\Users\Admin\AppData\Local\Temp\is-62O6D.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-Q3FJB.tmp\acca78141dda7bf1e5ddfbe59205aeaff2709bd4647f173c0cfdd9defad7ed33.tmp

    Filesize

    692KB

    MD5

    d0d63b09c26cee96b11064f7f3263532

    SHA1

    2c433032eb9fe45d02e0a2a9763cf864f990728e

    SHA256

    b806f353aa23f4ce0dbd4fe662b1634c17b7796e39995b2e78590f15a5cec60d

    SHA512

    f4d5fb1814788dfba218e1ef42e740cf22f5de54302c07ea3a56dcbf2b8dcd89766e51b47d62d1f98181332f2675079a475ba0816b39f8c51daf6c0d72c35779

  • memory/1088-94-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-118-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-136-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-80-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-81-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-83-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-133-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-128-0x0000000000B30000-0x0000000000BD2000-memory.dmp

    Filesize

    648KB

  • memory/1088-87-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-88-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-91-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-129-0x0000000000B30000-0x0000000000BD2000-memory.dmp

    Filesize

    648KB

  • memory/1088-97-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-100-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-104-0x0000000000B30000-0x0000000000BD2000-memory.dmp

    Filesize

    648KB

  • memory/1088-105-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-111-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-114-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-115-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-127-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-121-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/1088-124-0x0000000000400000-0x0000000000786000-memory.dmp

    Filesize

    3.5MB

  • memory/2624-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2624-85-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2624-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/4512-6-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/4512-84-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB