Analysis

  • max time kernel
    141s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 13:32

General

  • Target

    054240a3dec2a9be5e738ea343e91a1a2545ea09cd667cd47b759d3cca2db37e.exe

  • Size

    4.2MB

  • MD5

    aaa7c7773463e618bf5bfb7868b2c496

  • SHA1

    f0d0763e8f46f300394a0ad5ab6d8f3159c59239

  • SHA256

    054240a3dec2a9be5e738ea343e91a1a2545ea09cd667cd47b759d3cca2db37e

  • SHA512

    0222769c71c5c79862545c89c5e038429c0b3dec0e85cf57e9d0c9afb34a27290e7f554a336f9d8d3804b8f9e87aae25900320bf87d16008d7cc8ff1198c89c9

  • SSDEEP

    98304:m8aI+riRQx4k6BkN9YRMKCQV6Cyg/wzt0ESSHX2MGDy+q:taJIn+fYbCQV6Tgwt050

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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\054240a3dec2a9be5e738ea343e91a1a2545ea09cd667cd47b759d3cca2db37e.exe
    "C:\Users\Admin\AppData\Local\Temp\054240a3dec2a9be5e738ea343e91a1a2545ea09cd667cd47b759d3cca2db37e.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Users\Admin\AppData\Local\Temp\is-DR7K5.tmp\054240a3dec2a9be5e738ea343e91a1a2545ea09cd667cd47b759d3cca2db37e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DR7K5.tmp\054240a3dec2a9be5e738ea343e91a1a2545ea09cd667cd47b759d3cca2db37e.tmp" /SL5="$50150,4133459,54272,C:\Users\Admin\AppData\Local\Temp\054240a3dec2a9be5e738ea343e91a1a2545ea09cd667cd47b759d3cca2db37e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc32.exe
        "C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc32.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc32.exe

    Filesize

    3.0MB

    MD5

    6fb32801f6a1b0f11359d3d3c6678030

    SHA1

    7f70dbd3302c7ab82b240ce82ede402113fcae16

    SHA256

    de273ea5060b5015341d0df6062e8274888fe00c3e5507443e7d03bf4f217f1f

    SHA512

    1e7c907602ba908f74eb9e4d95167161a45031918cf4bdda2be7dd9e3fa0889d55719140b5403dba1b5d233cb2145af702260a6aad60a070daa7e0aa93d52cfd

  • \Users\Admin\AppData\Local\Temp\is-DR7K5.tmp\054240a3dec2a9be5e738ea343e91a1a2545ea09cd667cd47b759d3cca2db37e.tmp

    Filesize

    677KB

    MD5

    fd9a043395f5e065baeb5a5343812fdd

    SHA1

    17830b401d73b434d0228f30176f2e8ea56ee5ec

    SHA256

    b47b1bf8b35055ee54b2a21e24725d8590a9a3eca32e6a1e3aaca99ca54a2fb9

    SHA512

    3a52f79e3defbaa764289cfb1cd4421e3edd8c205d99f8330401ca4c27ae13bedfa27f74046d9c3527d4403218ae0f7236c9ffe566762f5a9983829fc855bdb1

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

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/632-88-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/632-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/632-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2052-116-0x0000000005910000-0x0000000005C27000-memory.dmp

    Filesize

    3.1MB

  • memory/2052-81-0x0000000005910000-0x0000000005C27000-memory.dmp

    Filesize

    3.1MB

  • memory/2052-12-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/2052-87-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/2788-106-0x00000000028C0000-0x0000000002962000-memory.dmp

    Filesize

    648KB

  • memory/2788-115-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-93-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-96-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-99-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-102-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-105-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-83-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-112-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-90-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-84-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-119-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-122-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-125-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-128-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-132-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB

  • memory/2788-135-0x0000000000400000-0x0000000000717000-memory.dmp

    Filesize

    3.1MB