Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-06-2024 15:00

General

  • Target

    a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe

  • Size

    4.8MB

  • MD5

    95c08ddd14568a1428058c34fc6c4fa2

  • SHA1

    65dc9dcc3fa519f3a9b768ebcb64e774b5cc18d7

  • SHA256

    a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c

  • SHA512

    7f8d9e33861992dd43edb61af2a70fbc553ada9d095110149e1f3038cdc428ca335921bc143814a17ccd5187c9f6ee60dac4410eda0e18c585a4ab85f5cc0352

  • SSDEEP

    98304:mEkcBeivuOgzBGTq7j1LmTJA96JkoMS7G68//Iz2D7rKG2/mQkK:zkc7oB7E4+UHc2D7W3/mQZ

Malware Config

Extracted

Family

socks5systemz

C2

aqoiqem.ru

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 3 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\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe
    "C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:216
    • C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp" /SL5="$B01CE,4739232,54272,C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3448
      • C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
        "C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:916
      • C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
        "C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp

    Filesize

    680KB

    MD5

    499a06921c1db50fe13b1dbde7c00355

    SHA1

    cf067418e38372f0fb5ed4da8e47f24c431b02ab

    SHA256

    7550154f594aa12076637c99b34fde395e2f7d73095df506dc7c07e4d702ed39

    SHA512

    541bd2e672d1f7d3e07c9a9c0abc58dd10f0e6b6d610373e7f1eb5befe392de8b30e1557c6d8712826fece4e58820c4887c088965815c2b82edb33eafb841a7e

  • C:\Users\Admin\AppData\Local\Temp\is-T1R89.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

    Filesize

    2.8MB

    MD5

    42c86d89b43a0faa7df281a7fe681c8e

    SHA1

    c362f557a653cdaee78428110f64bdec50e1dd39

    SHA256

    8a5f3d60b0918ee96011451c717b6c39afaa60ce7ad030ef84d02bf6978df587

    SHA512

    86fbbd448aacdddecda3f098307b3127f4fc606eb17b6c294555ec6e2f6f90af17be18a4190fbff0cb38e9cedbdb54d1a1346f1e36837c8bc0e7fd9d9213c981

  • memory/216-68-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/216-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/216-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/916-59-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/916-63-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/916-60-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/916-65-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-70-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-92-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-113-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-73-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-76-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-79-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-82-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-85-0x0000000000940000-0x00000000009E2000-memory.dmp

    Filesize

    648KB

  • memory/1656-87-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-110-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-95-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-98-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-101-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-104-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/1656-107-0x0000000000400000-0x00000000006C8000-memory.dmp

    Filesize

    2.8MB

  • memory/3448-69-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3448-12-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB