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Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 01:11

General

  • Target

    4f93c1a75610c100c28b6fce293d060fa72cd240f76981ed54cab97e7d2c1ade.exe

  • Size

    6.6MB

  • MD5

    5c55c1f09f2a059c4becf458ec9e89da

  • SHA1

    b95b2a349d01f06772b4c1b0956103cfa0d4427d

  • SHA256

    4f93c1a75610c100c28b6fce293d060fa72cd240f76981ed54cab97e7d2c1ade

  • SHA512

    28d76f9392bf4bc67d887a5a44fba5f28852559a9705af86cb58387c71b189f0154bb91588feb699d3d92f6b97d8b3ae16d4b6f49a5ae75f707a24197a573b75

  • SSDEEP

    196608:hEHTDk7lvk1pPlyfMbb9p+HOQDB4NHuK9mZKITph:AA7ls1pUfMX94uQDuNHuKaH9h

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Detects executables packed with VMProtect. 18 IoCs
  • 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\4f93c1a75610c100c28b6fce293d060fa72cd240f76981ed54cab97e7d2c1ade.exe
    "C:\Users\Admin\AppData\Local\Temp\4f93c1a75610c100c28b6fce293d060fa72cd240f76981ed54cab97e7d2c1ade.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Users\Admin\AppData\Local\Temp\is-B2LH3.tmp\4f93c1a75610c100c28b6fce293d060fa72cd240f76981ed54cab97e7d2c1ade.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-B2LH3.tmp\4f93c1a75610c100c28b6fce293d060fa72cd240f76981ed54cab97e7d2c1ade.tmp" /SL5="$A0054,6640474,54272,C:\Users\Admin\AppData\Local\Temp\4f93c1a75610c100c28b6fce293d060fa72cd240f76981ed54cab97e7d2c1ade.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1588
      • C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
        "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:5012
      • C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
        "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe

    Filesize

    5.2MB

    MD5

    b67a79b1a79261854f5539c44d24c108

    SHA1

    6dbbd3f165f5e356ff6effa2ca0233984f76a856

    SHA256

    3e66a529ff83a2913a61c674417fafdc97109152d25e04e349be6c900ff6233a

    SHA512

    5a91715fe6adb6962298d33eeeda316ab0d2560c50da5e65c50c05643f713d989312eb08e05b0269b050e34e08ba594f1998be07a7bc9664fbeaf20942832de5

  • C:\Users\Admin\AppData\Local\Temp\is-6VQ03.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-B2LH3.tmp\4f93c1a75610c100c28b6fce293d060fa72cd240f76981ed54cab97e7d2c1ade.tmp

    Filesize

    680KB

    MD5

    311c1ab01728e25cad4124cb6f68a2f1

    SHA1

    5d01c47cfefe9bf5390684076fc18129111e5138

    SHA256

    66e0c4091239948306890f2749f8c9af121efe1b8c9ee09b479d2e2e6a489d0b

    SHA512

    235b4d48aaf7f3cf01a26127f9a161a7395b8d16facd0e1ee5701fddd3ab3bd32fbeff868f0f3776d8bbebea2cfaf369006ff4deae200909c322790b7eec0ed6

  • memory/1588-70-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1588-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3100-94-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-74-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-116-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-113-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-109-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-68-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-106-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-103-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-71-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-97-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-75-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-78-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-81-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-84-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-87-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/3100-88-0x0000000000B20000-0x0000000000BC2000-memory.dmp

    Filesize

    648KB

  • memory/3100-100-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/4652-69-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4652-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4652-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/5012-59-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/5012-64-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/5012-65-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB

  • memory/5012-60-0x0000000000400000-0x0000000000937000-memory.dmp

    Filesize

    5.2MB