Analysis

  • max time kernel
    300s
  • max time network
    256s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20-06-2024 22:40

General

  • Target

    318e39c240e8f44dd2f37483965a1fe4d1fd588709f462a22564a414df989e50.exe

  • Size

    4.9MB

  • MD5

    fafe2cb55ae92066dc7e4b07301b96ac

  • SHA1

    69ad2a005fdabd96e1cbc6b7ff623f7c757a3af2

  • SHA256

    318e39c240e8f44dd2f37483965a1fe4d1fd588709f462a22564a414df989e50

  • SHA512

    af43983787d6264651db97293967d4bcf46acb2419363b2f6f946ea5e02e5c8609f59c92068cdb81771045a633ff17e9d71cb8486efb0927f3c880542c26b07d

  • SSDEEP

    98304:mGDn0Or7H80IZ9ry/b8eqf1KZbCGSaZbOvA7nqWFrLx3YPjUZkh2lux2xK/K:Dn0OrznuryTYwcWSvA+WN9C0uxKK/K

Malware Config

Extracted

Family

socks5systemz

C2

dlzptmb.info

http://dlzptmb.info/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec97933c

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 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).

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\318e39c240e8f44dd2f37483965a1fe4d1fd588709f462a22564a414df989e50.exe
    "C:\Users\Admin\AppData\Local\Temp\318e39c240e8f44dd2f37483965a1fe4d1fd588709f462a22564a414df989e50.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Users\Admin\AppData\Local\Temp\is-50G8R.tmp\318e39c240e8f44dd2f37483965a1fe4d1fd588709f462a22564a414df989e50.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-50G8R.tmp\318e39c240e8f44dd2f37483965a1fe4d1fd588709f462a22564a414df989e50.tmp" /SL5="$5023A,4864816,54272,C:\Users\Admin\AppData\Local\Temp\318e39c240e8f44dd2f37483965a1fe4d1fd588709f462a22564a414df989e50.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4668
      • C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe
        "C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2696
      • C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe
        "C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe" -s
        3⤵
        • Executes dropped EXE
        PID:880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe

    Filesize

    2.4MB

    MD5

    ce93ed79155a761f84a3b1827f1e00b0

    SHA1

    84ef9a27554acaa202ab1091acb1007085acc43b

    SHA256

    f2d881c13c9158fbdacfa45396d170ccbb28bba1a8c930f86d6ceeb87e2023b5

    SHA512

    03943a80d074fc3de8dddd751e187054ccc04cd3cecca4947f426cc0e099ae8ee7703aeb7203f271b8942d41bc8a21452f3f4c3b52bd729b0784b45f11497582

  • C:\Users\Admin\AppData\Local\Temp\is-50G8R.tmp\318e39c240e8f44dd2f37483965a1fe4d1fd588709f462a22564a414df989e50.tmp

    Filesize

    680KB

    MD5

    08c5308a61a367d176175cd169fd1e02

    SHA1

    153340b1321627103a2e7d6122b53c3fb527c384

    SHA256

    9e891b18b5afb4f683ca3bea2c2725a6d406aabfe5cf94d7f7b4b42183cf7f42

    SHA512

    63008dfe774eaa6b9eb94eb2db8e6b5f5e6827863a219b5127dcc0eeb4519c04f8c3f4e5f91912ad4822b448976a65403dae6273da8a72986f1ac76bd47eded1

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

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • memory/880-106-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-91-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-82-0x0000000002920000-0x00000000029C2000-memory.dmp

    Filesize

    648KB

  • memory/880-130-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-86-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-125-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-66-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-113-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-122-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-69-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-72-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-116-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-78-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-81-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-110-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-119-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-75-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-94-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-97-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-100-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/880-103-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2584-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2584-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2584-67-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2696-60-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2696-63-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2696-59-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/4668-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4668-68-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB