Analysis

  • max time kernel
    143s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    12-02-2024 14:12

General

  • Target

    0efc629789fddce39d1fbf32c1ce7fa769d8535b7c58cc493896dc2d34fcdb88.exe

  • Size

    7.5MB

  • MD5

    ac5161f4d107deb3612c73efe6866dbc

  • SHA1

    0b1cebc8af41f21736671c969d38e71aa77639a8

  • SHA256

    0efc629789fddce39d1fbf32c1ce7fa769d8535b7c58cc493896dc2d34fcdb88

  • SHA512

    76168c03f71ccf2ece58f88227ebfdfb90bc223c0790ce241a1de8a1fd716deb6737bf064509f6e645a3fd0c4b501bc58ea10381186aa6c0a7a65475164562be

  • SSDEEP

    196608:N6x4LEuDxgt/o20iIZ2HqVcZExA8QFVWdM:Qil9iA3sKVBATVMM

Malware Config

Signatures

  • Detect Socks5Systemz Payload 5 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0efc629789fddce39d1fbf32c1ce7fa769d8535b7c58cc493896dc2d34fcdb88.exe
    "C:\Users\Admin\AppData\Local\Temp\0efc629789fddce39d1fbf32c1ce7fa769d8535b7c58cc493896dc2d34fcdb88.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\AppData\Local\Temp\is-1OAJV.tmp\0efc629789fddce39d1fbf32c1ce7fa769d8535b7c58cc493896dc2d34fcdb88.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-1OAJV.tmp\0efc629789fddce39d1fbf32c1ce7fa769d8535b7c58cc493896dc2d34fcdb88.tmp" /SL5="$40016,7593738,54272,C:\Users\Admin\AppData\Local\Temp\0efc629789fddce39d1fbf32c1ce7fa769d8535b7c58cc493896dc2d34fcdb88.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2992
      • C:\Users\Admin\AppData\Local\ToolMax Partition Wizard Bootable\toolmaxpartitionwizardbootable.exe
        "C:\Users\Admin\AppData\Local\ToolMax Partition Wizard Bootable\toolmaxpartitionwizardbootable.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2232
      • C:\Users\Admin\AppData\Local\ToolMax Partition Wizard Bootable\toolmaxpartitionwizardbootable.exe
        "C:\Users\Admin\AppData\Local\ToolMax Partition Wizard Bootable\toolmaxpartitionwizardbootable.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-1OAJV.tmp\0efc629789fddce39d1fbf32c1ce7fa769d8535b7c58cc493896dc2d34fcdb88.tmp

    Filesize

    689KB

    MD5

    a6e9b3e66de205b8584b6995113df037

    SHA1

    7bb7fa015dba40d290d3d36bc7d5a9716056e8a1

    SHA256

    ad3fbe29003e48f83dbe9c5086ff8082cebaebad7ab0beb9d2a9b31da861b29f

    SHA512

    5b8f9c83f09d266e331293fec3177385de6fe331fb665530b272fe11b76371bde53e973787d5d0f0bac024aed3ee402c9d5ff4b7bfff119b21b23e9e9af6c6bb

  • C:\Users\Admin\AppData\Local\ToolMax Partition Wizard Bootable\toolmaxpartitionwizardbootable.exe

    Filesize

    73KB

    MD5

    b18844e89f0b324b8c5099a8c47e63aa

    SHA1

    1bfcfa4c5f6ba05ced56f7e1923fcea8d8789169

    SHA256

    f1a1ff00852bc1715ea80e0853559896352c39682e1548d70144e86b8a5b0b8a

    SHA512

    6e3b3012252f82983d3abe6bbb2a310958dfb39235711b93ccec58f1d9ceb977b6caae71f2c372ccc9c22e4de97730f6f7aa307f08a9fd625a5017811292a2fc

  • \Users\Admin\AppData\Local\Temp\is-F2IFA.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-F2IFA.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • \Users\Admin\AppData\Local\Temp\is-F2IFA.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\ToolMax Partition Wizard Bootable\toolmaxpartitionwizardbootable.exe

    Filesize

    1.9MB

    MD5

    c107a86d2bfa5fa12b215596efef6729

    SHA1

    e247db6c96917f0005cac7d9f9b7cfcdc7c3d3d9

    SHA256

    8ecef7fc028f2c518272379a20358e15d5a6b54c47b48bf0f5cacfdc247b9d59

    SHA512

    2f8d8054b7a48a347a48a1bc0abde70a55fd34ea3529e43f5a369ddeb174ec79bf0fbc7950da3501a3ddde7f1ffc93b34a31f324b5ccae3a59181cfccf5f67ee

  • memory/2232-70-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2232-71-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2232-67-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2232-66-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-107-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-93-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-129-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-126-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-73-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-75-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-122-0x00000000025C0000-0x0000000002662000-memory.dmp

    Filesize

    648KB

  • memory/2696-121-0x00000000025C0000-0x0000000002662000-memory.dmp

    Filesize

    648KB

  • memory/2696-78-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-120-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-117-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-83-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-84-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-87-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-90-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-114-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-96-0x00000000025C0000-0x0000000002662000-memory.dmp

    Filesize

    648KB

  • memory/2696-98-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-99-0x00000000025C0000-0x0000000002662000-memory.dmp

    Filesize

    648KB

  • memory/2696-104-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-111-0x0000000000400000-0x00000000005F5000-memory.dmp

    Filesize

    2.0MB

  • memory/2696-108-0x00000000025C0000-0x0000000002662000-memory.dmp

    Filesize

    648KB

  • memory/2940-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2940-76-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2940-2-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2992-65-0x00000000033A0000-0x0000000003595000-memory.dmp

    Filesize

    2.0MB

  • memory/2992-80-0x00000000033A0000-0x0000000003595000-memory.dmp

    Filesize

    2.0MB

  • memory/2992-79-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/2992-77-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2992-8-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB