Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 18:00

General

  • Target

    ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe

  • Size

    5.1MB

  • MD5

    6e93a490f90c89a86073a3856380b485

  • SHA1

    1d466d721113fffea61defcb3f19b073dfdef943

  • SHA256

    ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e

  • SHA512

    3781e456e36e1bf229469a085259f285c9c0bbc4ac33b9b643ba7130a8bf78ff65a56bbdbea1ff40c1a9020df1ec2f1672cb8b7fbf316a0201788fe668e9c672

  • SSDEEP

    98304:mzzNXsEteNYvkLFjFA6mBD8D0nDvlllQD+WE2ZLMdhLeOU1hX/7j:qzZ6NRFA6E8DoDtDjx2JIleH/7j

Malware Config

Extracted

Family

socks5systemz

C2

bwptvoi.com

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 3 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\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe
    "C:\Users\Admin\AppData\Local\Temp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Users\Admin\AppData\Local\Temp\is-UKV1L.tmp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-UKV1L.tmp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp" /SL5="$501C6,5136792,54272,C:\Users\Admin\AppData\Local\Temp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1244
      • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
        "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1212
      • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
        "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

    Filesize

    3.3MB

    MD5

    a84617568394f531d69584d4f0713ee2

    SHA1

    cfff24a7009f728718ce3e481884306a8eae3d8c

    SHA256

    b182479179554c9e36dedca69e53458d3e12c6c0e91b02369bff51d9330e2f75

    SHA512

    33ea099b56798e7b5df11681268843b0cfe60cc9973462457026de8995a1cc5aae75a7619e3a32ea105f85e4dc9e7344df3875a2abc01596decb13a2e2a8a0a7

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

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-UKV1L.tmp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp

    Filesize

    680KB

    MD5

    ae871319d0d4d3476a2ee92baee3bcb4

    SHA1

    71d7efc96eea4bef5a234f257a2d4185a078acfb

    SHA256

    2565484ec7cfe4452ba2012b2a4587a9028f0983ac6502ecfbb20e6e9bcd4f28

    SHA512

    7a40d2d15a576bf336677d32d385bdf197a4ee7139fa07d5f7009435d6967b09d54a83b3e2d33e7e99f0bde2e5e0263efa6d1d0c057a666422abd6d3dcfb02c2

  • memory/1212-64-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1212-59-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1212-60-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1212-63-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1244-69-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1244-16-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1428-73-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-98-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-113-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-110-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-70-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-107-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-76-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-79-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-82-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-85-0x0000000000950000-0x00000000009F2000-memory.dmp

    Filesize

    648KB

  • memory/1428-87-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-92-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-95-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-66-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-101-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/1428-104-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/2796-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2796-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2796-68-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB