Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 10:41

General

  • Target

    5c4ee2119304d10dd33b12af034c7d7ea39a88f9af4a8c0b96d983ee716052e9.exe

  • Size

    5.4MB

  • MD5

    b26dc0a90ffa08282e07197f167c8b34

  • SHA1

    018145f6ef8e1cb0dfd20ad911e953e602898ed6

  • SHA256

    5c4ee2119304d10dd33b12af034c7d7ea39a88f9af4a8c0b96d983ee716052e9

  • SHA512

    3c7d70f2dd3a6f26439dff8ba87329bab873dec3138480491a97e138a582b2f7c04e08b01a0fb7c9315ff7edf561871b99718fbdbb8dae81ac0303a2012ee456

  • SSDEEP

    98304:QB3jgjWzNh2gn6HH0mPrLrVs0+T3rOZE78wTgjUrnTqjY0W7xY0UhQiKW7Dkq:cFN0n0sdoTb4qRgjUrdVxFQ71

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Socks5systemz family
  • Executes dropped EXE 2 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.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c4ee2119304d10dd33b12af034c7d7ea39a88f9af4a8c0b96d983ee716052e9.exe
    "C:\Users\Admin\AppData\Local\Temp\5c4ee2119304d10dd33b12af034c7d7ea39a88f9af4a8c0b96d983ee716052e9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3528
    • C:\Users\Admin\AppData\Local\Temp\is-FOEAU.tmp\5c4ee2119304d10dd33b12af034c7d7ea39a88f9af4a8c0b96d983ee716052e9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FOEAU.tmp\5c4ee2119304d10dd33b12af034c7d7ea39a88f9af4a8c0b96d983ee716052e9.tmp" /SL5="$702AC,5456032,54272,C:\Users\Admin\AppData\Local\Temp\5c4ee2119304d10dd33b12af034c7d7ea39a88f9af4a8c0b96d983ee716052e9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4464
      • C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe
        "C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe

    Filesize

    2.9MB

    MD5

    47926d169ab620b5b068214b46ad477c

    SHA1

    dce10d3f271d68e2992b09119ee24ab54580da54

    SHA256

    a327212d8130b83b9fa177f0498ebb1c3ad4498290ac493d3ce6bbbff0eb6776

    SHA512

    2bc524615a734549db0506ba7d6fe48e64307455d5e7f3c5f284f70c6ea12490caa96ce95ec427246340b3a0891f272686774e44269a27119566ff657165e4f0

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

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-FOEAU.tmp\5c4ee2119304d10dd33b12af034c7d7ea39a88f9af4a8c0b96d983ee716052e9.tmp

    Filesize

    688KB

    MD5

    0d1056b9db33b7c4cca8b079c431be68

    SHA1

    f66f62a8bc4214a0671afe811e329b113d466ca0

    SHA256

    82862289e2ef06e15667f5b4e3e9e2091b6e307837958c2cd2d10e4af8a770ef

    SHA512

    94bc126065d3817435e339d0aae6671e7cf33ba8354bb630817802f12573aa91d890ffb80f1ff3c59606348a41091b681f3dce8d705c7d73ac81254626b74048

  • memory/1148-181-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-204-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-219-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-164-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-165-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-166-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-216-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-212-0x00000000008F0000-0x0000000000992000-memory.dmp

    Filesize

    648KB

  • memory/1148-172-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-175-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-178-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-211-0x00000000008F0000-0x0000000000992000-memory.dmp

    Filesize

    648KB

  • memory/1148-184-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-187-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-188-0x00000000008F0000-0x0000000000992000-memory.dmp

    Filesize

    648KB

  • memory/1148-194-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-197-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-198-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-201-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-210-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/1148-207-0x0000000000400000-0x00000000006EE000-memory.dmp

    Filesize

    2.9MB

  • memory/3528-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3528-170-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3528-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/4464-13-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/4464-169-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB