Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 07:35

General

  • Target

    8421b365a24537951094406b593289099de2190d9dc0a431bad056547ac3f4e7.exe

  • Size

    4.2MB

  • MD5

    196720168edf48e885fedab73f19b157

  • SHA1

    66fcbc80fc91bc9076b813f54640e903ba556fe8

  • SHA256

    8421b365a24537951094406b593289099de2190d9dc0a431bad056547ac3f4e7

  • SHA512

    dc8f61272a729edd52b2559a984f1d54cf6297583e5fb7b5f403e0c92f4d6845ec0e41b825668924dd1d42127f6793c559b2fae9a5b88a0d8d650e8bff2d7758

  • SSDEEP

    98304:IU3QEdIQv2xkFlooyA7Hpz9bQwYCTCEUTT5WDzPdPS:fIQexSlmkpxQwTNUTgH4

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.

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8421b365a24537951094406b593289099de2190d9dc0a431bad056547ac3f4e7.exe
    "C:\Users\Admin\AppData\Local\Temp\8421b365a24537951094406b593289099de2190d9dc0a431bad056547ac3f4e7.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Users\Admin\AppData\Local\Temp\is-4U1UG.tmp\8421b365a24537951094406b593289099de2190d9dc0a431bad056547ac3f4e7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-4U1UG.tmp\8421b365a24537951094406b593289099de2190d9dc0a431bad056547ac3f4e7.tmp" /SL5="$4014E,4086617,54272,C:\Users\Admin\AppData\Local\Temp\8421b365a24537951094406b593289099de2190d9dc0a431bad056547ac3f4e7.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:2984
      • C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc.exe
        "C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2.7MB

    MD5

    dbadb36a5b485c92a260565fb75c3eed

    SHA1

    c2ca56c22c89b96baf0c37763ace2a3c3398372c

    SHA256

    ee804f7a44a2e7b5a0ed85be4cd5fd67d3cfed62958f5ca1b8f5dc2fc8c066e2

    SHA512

    315b2ecc3b91c4a5d2d7f006d024bfbfa0c97b67105e956715dc5f4916f21fc1f33eed0effba086cc72feb7e6e11658e3cfb77ea93d825d77953b56b80108f7f

  • \Users\Admin\AppData\Local\Temp\is-4U1UG.tmp\8421b365a24537951094406b593289099de2190d9dc0a431bad056547ac3f4e7.tmp

    Filesize

    689KB

    MD5

    8c55f7a72e8751aae69f4a9b31a086fa

    SHA1

    78e347c27745eceba8b28daf48d2e505d048a526

    SHA256

    eec767c802fed29b815b06b01be1c528a620400939c1649759a3ca329ac44323

    SHA512

    29db594fd241b2581f8ed874ca9e62ec07d04c4ebe2ea369bc4e1f24159ece713d2705fbc971928d1d1ef6cc65ff376c5c1f3a07073916e7af585ee734b601af

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

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/2528-87-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2528-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2528-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2776-115-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-105-0x00000000028E0000-0x0000000002982000-memory.dmp

    Filesize

    648KB

  • memory/2776-83-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-134-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-131-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-89-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-92-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-95-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-98-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-101-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-104-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-82-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-111-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-127-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-124-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-118-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2776-121-0x0000000000400000-0x00000000006C0000-memory.dmp

    Filesize

    2.8MB

  • memory/2984-8-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2984-113-0x00000000055E0000-0x00000000058A0000-memory.dmp

    Filesize

    2.8MB

  • memory/2984-81-0x00000000055E0000-0x00000000058A0000-memory.dmp

    Filesize

    2.8MB

  • memory/2984-86-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB