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Analysis

  • max time kernel
    292s
  • max time network
    300s
  • platform
    windows10-1703_x64
  • resource
    win10-20231220-en
  • resource tags

    arch:x64arch:x86image:win10-20231220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    14/02/2024, 04:55

General

  • Target

    e13c6d0463f12f15ddcebedb8704d28ce6621fe775a88a739963c2189d5fc67b.exe

  • Size

    7.4MB

  • MD5

    5a16c8dcc90fa2c9b614a4cc9811819a

  • SHA1

    7ab31ec54bb54603594fe3b32acd3adeef1f9708

  • SHA256

    e13c6d0463f12f15ddcebedb8704d28ce6621fe775a88a739963c2189d5fc67b

  • SHA512

    765f235297348ee0a8f4f2b002aa2c8d5e93ef21f7c4cf63819020f5e26c384889fa06d3a65b8a12746ab872282129720ed5cab738c851269906461709c37703

  • SSDEEP

    98304:IsJGinClmXF+U5g4EEi78IO/OyzEXkNv4j2+n8Qh+FSvMUUv55RZW4AuzY8ARu+q:DWqF/KhEq8IiZv4pn8Q8dZZ/ARlkH1

Malware Config

Extracted

Family

socks5systemz

C2

http://aaeafpb.ru/search/?q=67e28dd86f55a629155bff1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f071ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ef819c8e9909d3c

http://aaeafpb.ru/search/?q=67e28dd86f55a629155bff1b7c27d78406abdd88be4b12eab517aa5c96bd86ec93804a875a8bbc896c58e713bc90c91836b5281fc235a925ed3e53d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ef929233cb6a9111

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\e13c6d0463f12f15ddcebedb8704d28ce6621fe775a88a739963c2189d5fc67b.exe
    "C:\Users\Admin\AppData\Local\Temp\e13c6d0463f12f15ddcebedb8704d28ce6621fe775a88a739963c2189d5fc67b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\is-PIAOD.tmp\e13c6d0463f12f15ddcebedb8704d28ce6621fe775a88a739963c2189d5fc67b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PIAOD.tmp\e13c6d0463f12f15ddcebedb8704d28ce6621fe775a88a739963c2189d5fc67b.tmp" /SL5="$60230,7522492,54272,C:\Users\Admin\AppData\Local\Temp\e13c6d0463f12f15ddcebedb8704d28ce6621fe775a88a739963c2189d5fc67b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Users\Admin\AppData\Local\Magnat CoverDesigner\magnatcoverdesigner.exe
        "C:\Users\Admin\AppData\Local\Magnat CoverDesigner\magnatcoverdesigner.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1604
      • C:\Users\Admin\AppData\Local\Magnat CoverDesigner\magnatcoverdesigner.exe
        "C:\Users\Admin\AppData\Local\Magnat CoverDesigner\magnatcoverdesigner.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    550KB

    MD5

    f99cbf978b4e0cbb4c16ca29e3e08323

    SHA1

    69389a9c5db80fd0797a72572467f5cdd6f5c9eb

    SHA256

    9b6618baaf522572c0b5cd3d47fad8733bf232908422d66b9c738620c7fce351

    SHA512

    5a48279416d7b06ebb49d24b261c04da32719c89d02b91db4cd631a47d04d562b1d43eb1fe0ac4e19017f8a78da50060c070064ce79768a89db0f3dda5e33f67

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

    Filesize

    527KB

    MD5

    ed3225992e68faec48ec43e5d396b6b8

    SHA1

    9430b092950fab3bead2bf5d76b2fcc211b9fcf6

    SHA256

    b9627c86b9fac702f530b8634d7ebec9bed5efc050d4182357b9d0c8653d0928

    SHA512

    6c23db24aaaa915dd1535afb59725a3c180088623db380f7869f794a2f44c89754c4cf732224a1abf6bf0873411f6b1fee9084d174a1ec23d7f836f847814c2a

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

    Filesize

    419KB

    MD5

    c69390de928c0a0a1af52b30c5bd76df

    SHA1

    44d8b5f6e81c38b1f0d87bb5c3f8cff2002031e6

    SHA256

    0d89330a2f677b0a623c18638518e20b4d7d822dd3727f3a950c875f9ed35cc6

    SHA512

    d93e3e8fd06dd4fee5beea720ae89de381c4e33c52332e08cee14cc3dab494221b134d928b00dd96e7c4130faefd55b9e8edf18a7bd485ea7b91fe75a13875b0

  • C:\Users\Admin\AppData\Local\Temp\is-PIAOD.tmp\e13c6d0463f12f15ddcebedb8704d28ce6621fe775a88a739963c2189d5fc67b.tmp

    Filesize

    689KB

    MD5

    9ef1392bc232ca156cab448572b4895e

    SHA1

    892b3f23908965c3373bb9daa4026013913f757c

    SHA256

    f65f2eb96a4c91c54dd5e5680d954b5080ecf676ec45ec35809af28e4f409bb8

    SHA512

    724d1de60ee2bfbaaad39fddc6c68fa8d2cebb17e0ab94a420deaa43a66b497ea581234a9470e0b09f01b40412bee4e8a95d4d1c634a4703e75851705b71a98b

  • \Users\Admin\AppData\Local\Temp\is-80V41.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-80V41.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • memory/524-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/524-76-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/524-74-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1604-63-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/1604-64-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/1604-68-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/1604-67-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/3008-2-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3008-73-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3008-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4080-79-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-104-0x00000000007F0000-0x0000000000892000-memory.dmp

    Filesize

    648KB

  • memory/4080-72-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-80-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-70-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-83-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-86-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-89-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-90-0x00000000007F0000-0x0000000000892000-memory.dmp

    Filesize

    648KB

  • memory/4080-95-0x00000000007F0000-0x0000000000892000-memory.dmp

    Filesize

    648KB

  • memory/4080-94-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-100-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-103-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-75-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-107-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-110-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-113-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-116-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-120-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-123-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-126-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-129-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-132-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-135-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB

  • memory/4080-140-0x0000000000400000-0x0000000000656000-memory.dmp

    Filesize

    2.3MB