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Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240704-en
  • resource tags

    arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07/07/2024, 23:42

General

  • Target

    adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.exe

  • Size

    4.9MB

  • MD5

    b3b10fad2a02a89bc6d6bbdcd4e2cf88

  • SHA1

    b12cc983ed3b2b6257e57e9cbdf0bd0a7afd5a30

  • SHA256

    adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32

  • SHA512

    cb10c828f0657b9f6ed47b9194250cc69af514a4fce0e2463010d4803b8684decc4346fece4404262546b471ef0935c34a7c3a3070889203e6ddb3ca1283780a

  • SSDEEP

    98304:CHLtPaF0Dj8fp3tRHwrK1rkCNPRMMwbliS8jdBABZsQxo:sMGHGhDwO1ICNPaHBiSWdBAfsQK

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.exe
    "C:\Users\Admin\AppData\Local\Temp\adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1132
    • C:\Users\Admin\AppData\Local\Temp\is-08IIS.tmp\adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-08IIS.tmp\adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp" /SL5="$60240,4923014,54272,C:\Users\Admin\AppData\Local\Temp\adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Users\Admin\AppData\Local\BossPlayAudio\bossplayaudio32_64.exe
        "C:\Users\Admin\AppData\Local\BossPlayAudio\bossplayaudio32_64.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1608
      • C:\Users\Admin\AppData\Local\BossPlayAudio\bossplayaudio32_64.exe
        "C:\Users\Admin\AppData\Local\BossPlayAudio\bossplayaudio32_64.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\BossPlayAudio\bossplayaudio32_64.exe

    Filesize

    3.4MB

    MD5

    e855d397ac95a5f6b23a11b466e4415c

    SHA1

    4ba344c659b5e510896b963cbb38361e65a01ea6

    SHA256

    92018c5c2f0816922152b3fb69cbb35e778964395d4308fefb35df603633518c

    SHA512

    0cae919a3c98b8f2fdf6efbac90e6ccbc6de5131f34807f232f6b9154982f314a5e653cb8b1281c7e7e45a6695ecfab5379ed119d0388bd0dcf73da341c32d22

  • C:\Users\Admin\AppData\Local\Temp\is-08IIS.tmp\adc84e4222293653b0e329b0da6a50db14a1d003117802cc66e0caacc8b17d32.tmp

    Filesize

    680KB

    MD5

    04f91f19ddd86f9062b18e622b23f87b

    SHA1

    6021e4b025f099cd34fd377b99c54bd39755f00f

    SHA256

    edfc280244869ac25b69e4c6a8fc55c144b1a78055f5685fcb8154f90e45ab69

    SHA512

    cfb4501a843106daad770e9c3a0209f13b988f512301598760c891152b4e997104f9aaba72119a560d41ffa5e9afe731cf1befd32badc6335cdec2c18c83c43e

  • C:\Users\Admin\AppData\Local\Temp\is-9RU5H.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • memory/1132-69-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1132-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/1132-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1608-60-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1608-61-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1608-62-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1608-64-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1984-7-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1984-70-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2472-75-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-88-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-71-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-74-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-67-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-78-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-79-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-82-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-85-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-68-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-89-0x0000000000A70000-0x0000000000B12000-memory.dmp

    Filesize

    648KB

  • memory/2472-95-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-98-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-101-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-102-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-106-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-108-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-111-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-115-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2472-118-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB