Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-11-2024 01:13

General

  • Target

    c776a9efdaba18f15a5f554ae52c0385.exe

  • Size

    6.1MB

  • MD5

    c776a9efdaba18f15a5f554ae52c0385

  • SHA1

    32e0de85a222239a0c5a4f8ef283739902c738bb

  • SHA256

    5dea8691394058b4c4e88ac3fc070dd30c5ea528ad07d9fe8d1e6dde566adac7

  • SHA512

    f5f815cba389917229a624d43cdf21ce4ca7f1c7c816de25034744ad94dd930418f45b39bd90f4d0bc79a021946fd1f119d6217a768b844ec27744f49da655ec

  • SSDEEP

    196608:yakrzX8aK5bABGehKapJ0kEz/HVl82386d:4rzd8EJ37Q38W

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 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c776a9efdaba18f15a5f554ae52c0385.exe
    "C:\Users\Admin\AppData\Local\Temp\c776a9efdaba18f15a5f554ae52c0385.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Users\Admin\AppData\Local\Temp\is-SPFI6.tmp\c776a9efdaba18f15a5f554ae52c0385.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SPFI6.tmp\c776a9efdaba18f15a5f554ae52c0385.tmp" /SL5="$701DA,6149981,54272,C:\Users\Admin\AppData\Local\Temp\c776a9efdaba18f15a5f554ae52c0385.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2984
      • C:\Users\Admin\AppData\Local\SyncPlayer 1.2.8\syncplayer32_64.exe
        "C:\Users\Admin\AppData\Local\SyncPlayer 1.2.8\syncplayer32_64.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\SyncPlayer 1.2.8\syncplayer32_64.exe

    Filesize

    2.4MB

    MD5

    5fbd9e9b8796e7b4a40fd070f0f43f8e

    SHA1

    a8f7c0ed0a95d0de6760c6f98805b31ced75ae79

    SHA256

    028a437887e0a5a12493c3ec0a5d23c6ed182cd0e88e40f0e8180904ed6a41c1

    SHA512

    02a40d5dc8044b8875f8846204d4f0c76c1bee7e81422e0cb209bda05c46f88e61b802520f445fabff5dd17b9dfbd0de82b9ee8312f5863af3c902bf9f7c1754

  • C:\Users\Admin\AppData\Local\Temp\is-MUS0P.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-MUS0P.tmp\_isetup\_isdecmp.dll

    Filesize

    32KB

    MD5

    b6f11a0ab7715f570f45900a1fe84732

    SHA1

    77b1201e535445af5ea94c1b03c0a1c34d67a77b

    SHA256

    e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

    SHA512

    78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

  • C:\Users\Admin\AppData\Local\Temp\is-SPFI6.tmp\c776a9efdaba18f15a5f554ae52c0385.tmp

    Filesize

    683KB

    MD5

    0d05e478ec0e67b3670c32f7fcd99ac2

    SHA1

    bbef8ae7b0e306e6172e2a0d9d6bacebf7f71886

    SHA256

    abf4a9fad2c3c735450cd35f7ae7255a52c0da48432c41682598536a9a708360

    SHA512

    677790b8807661e5ed9386bfd12a892dd9fef732d3228902a0718d0d64cba25c9c23b7ff67827373a77307dc1b41695ecb9ea64b71ae622f69bed8bb84ff3af7

  • memory/1568-136-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-155-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-176-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-119-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-120-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-122-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-173-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-169-0x0000000000860000-0x0000000000902000-memory.dmp

    Filesize

    648KB

  • memory/1568-126-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-127-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-130-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-133-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-168-0x0000000000860000-0x0000000000902000-memory.dmp

    Filesize

    648KB

  • memory/1568-139-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-143-0x0000000000860000-0x0000000000902000-memory.dmp

    Filesize

    648KB

  • memory/1568-144-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-150-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-151-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-154-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-167-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-158-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-161-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-164-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/2984-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2984-123-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4568-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/4568-124-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4568-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB