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Analysis

  • max time kernel
    295s
  • max time network
    300s
  • platform
    windows10-1703_x64
  • resource
    win10-20231215-en
  • resource tags

    arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
  • submitted
    14/02/2024, 04:49

General

  • Target

    56c6d25c94f25ff19c073503fe7fa9cf437c428daa71c716db62778be34336e2.exe

  • Size

    7.4MB

  • MD5

    44e18de0e1a752bcc2c962ad68cf004e

  • SHA1

    b55815bb48663987cd61f3fedb33adb138994086

  • SHA256

    56c6d25c94f25ff19c073503fe7fa9cf437c428daa71c716db62778be34336e2

  • SHA512

    36d59603bbc9d2dda4d0bd26456d494249c72618181261e8d54e3df07fdc5909c77dd7bfde8ca4921fb853779b23666a81ee4a4314ca4f5b3af87d7552df922e

  • SSDEEP

    196608:BAmMMhBepL3a3Y3iBqZId07xh0Q3DgSTmcozWf:BAmMIw3a34iBqD7P0EgR6

Malware Config

Extracted

Family

socks5systemz

C2

http://ebdsbbi.ua/search/?q=67e28dd86c08a67d110efa4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1fe8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ef819c8e9979e3f

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56c6d25c94f25ff19c073503fe7fa9cf437c428daa71c716db62778be34336e2.exe
    "C:\Users\Admin\AppData\Local\Temp\56c6d25c94f25ff19c073503fe7fa9cf437c428daa71c716db62778be34336e2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3672
    • C:\Users\Admin\AppData\Local\Temp\is-THQKK.tmp\56c6d25c94f25ff19c073503fe7fa9cf437c428daa71c716db62778be34336e2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-THQKK.tmp\56c6d25c94f25ff19c073503fe7fa9cf437c428daa71c716db62778be34336e2.tmp" /SL5="$601F0,7540344,54272,C:\Users\Admin\AppData\Local\Temp\56c6d25c94f25ff19c073503fe7fa9cf437c428daa71c716db62778be34336e2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Users\Admin\AppData\Local\Magnat CoverDesigner\magnatcoverdesigner.exe
        "C:\Users\Admin\AppData\Local\Magnat CoverDesigner\magnatcoverdesigner.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1408
      • C:\Users\Admin\AppData\Local\Magnat CoverDesigner\magnatcoverdesigner.exe
        "C:\Users\Admin\AppData\Local\Magnat CoverDesigner\magnatcoverdesigner.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Magnat CoverDesigner\magnatcoverdesigner.exe

    Filesize

    2.3MB

    MD5

    11619cbebd413cb03903c3c1c2fa7ebe

    SHA1

    4c3496835b55e29b3d059998d660dcec27893b98

    SHA256

    0ed152400b0460c94fa41cae984bd4b6fbdfeb1822a36d35a375eff59302b555

    SHA512

    333a5c02a864c958fcc098079109d56356b43b6312432a570f62702ea05c5a83345123af9167e88cc8bc2e4c5e4a935c33cf16d07f9c76aff92ee5a1180d779f

  • C:\Users\Admin\AppData\Local\Magnat CoverDesigner\magnatcoverdesigner.exe

    Filesize

    201KB

    MD5

    daeee6aa3c5ff5fdb69e562d5765808e

    SHA1

    c8ff06e745c83c327e4d6bdf831d5f75edd9f533

    SHA256

    2636365a206b32fad174316d05bdbe8bda0e1a8c15fc781186e0ea60628a91e7

    SHA512

    1db39b1d692d68b58e48bc8138dd777971110c5a93e62afadb62abff2f273dc264d774004a71852089d8901ddde34ea7d9f93a95ac82995ff0985402597478e8

  • C:\Users\Admin\AppData\Local\Temp\is-THQKK.tmp\56c6d25c94f25ff19c073503fe7fa9cf437c428daa71c716db62778be34336e2.tmp

    Filesize

    689KB

    MD5

    9ef1392bc232ca156cab448572b4895e

    SHA1

    892b3f23908965c3373bb9daa4026013913f757c

    SHA256

    f65f2eb96a4c91c54dd5e5680d954b5080ecf676ec45ec35809af28e4f409bb8

    SHA512

    724d1de60ee2bfbaaad39fddc6c68fa8d2cebb17e0ab94a420deaa43a66b497ea581234a9470e0b09f01b40412bee4e8a95d4d1c634a4703e75851705b71a98b

  • \Users\Admin\AppData\Local\Temp\is-NRFB8.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-NRFB8.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • memory/308-74-0x0000000000590000-0x0000000000591000-memory.dmp

    Filesize

    4KB

  • memory/308-6-0x0000000000590000-0x0000000000591000-memory.dmp

    Filesize

    4KB

  • memory/308-72-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1408-62-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/1408-63-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/1408-64-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/1408-67-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3672-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3672-71-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3984-81-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-101-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-77-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-78-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-70-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-84-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-87-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-90-0x0000000000920000-0x00000000009C2000-memory.dmp

    Filesize

    648KB

  • memory/3984-91-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-92-0x0000000000920000-0x00000000009C2000-memory.dmp

    Filesize

    648KB

  • memory/3984-98-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-73-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-102-0x0000000000920000-0x00000000009C2000-memory.dmp

    Filesize

    648KB

  • memory/3984-105-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-108-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-111-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-114-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-118-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-121-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-124-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-127-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-130-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-133-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3984-138-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB