Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-05-2024 20:13

General

  • Target

    b0e745a97bce6d27c5cbea7ad0d1919f3c08ad37f73281a4666ef3c0d36ac192.exe

  • Size

    5.7MB

  • MD5

    48c7b8e1886b0875292e4cfb341ad217

  • SHA1

    222643a33da793cff45da3091fd076c5fa33efce

  • SHA256

    b0e745a97bce6d27c5cbea7ad0d1919f3c08ad37f73281a4666ef3c0d36ac192

  • SHA512

    bc594b177d85ca5836af094e7d2f4477788e4c143130bcd2dba55a5eb0c83edd72a089b29dbfb54b2991bd7b92604f7f701ef5a7e8cd94bd250dd5fe3432c635

  • SSDEEP

    98304:mcQpQ9DT+JCCmzs+HE6yyurVaRF/J0DFiYuCrHcMH8kqqOWhkgPTuE3:QQdaUCmzHXImR1YuCzgtWi0TL3

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 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.

  • 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\b0e745a97bce6d27c5cbea7ad0d1919f3c08ad37f73281a4666ef3c0d36ac192.exe
    "C:\Users\Admin\AppData\Local\Temp\b0e745a97bce6d27c5cbea7ad0d1919f3c08ad37f73281a4666ef3c0d36ac192.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Users\Admin\AppData\Local\Temp\is-TDSLP.tmp\b0e745a97bce6d27c5cbea7ad0d1919f3c08ad37f73281a4666ef3c0d36ac192.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TDSLP.tmp\b0e745a97bce6d27c5cbea7ad0d1919f3c08ad37f73281a4666ef3c0d36ac192.tmp" /SL5="$501A2,5704937,54272,C:\Users\Admin\AppData\Local\Temp\b0e745a97bce6d27c5cbea7ad0d1919f3c08ad37f73281a4666ef3c0d36ac192.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3036
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4400
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

    Filesize

    3.4MB

    MD5

    e2ab429c85b87d157f0eb2fd76f22601

    SHA1

    09a84124c3a166d795f1584b3eeb1afeb6c485bc

    SHA256

    feef907dd8fc048a5aa02e6f7b50ba055f5fbbfba8954da1418ad45488489c19

    SHA512

    8562a43cc10aa4e210e55d97a7b26701d6cb39e86de5c63bbda6ac6bca831373fd54780c696fc42c337de2e930c8815b3ab2b1b6893087c7a0600b3fc831e4d4

  • C:\Users\Admin\AppData\Local\Temp\is-QUGT6.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-QUGT6.tmp\_isetup\_isdecmp.dll

    Filesize

    32KB

    MD5

    b6f11a0ab7715f570f45900a1fe84732

    SHA1

    77b1201e535445af5ea94c1b03c0a1c34d67a77b

    SHA256

    e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

    SHA512

    78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

  • C:\Users\Admin\AppData\Local\Temp\is-TDSLP.tmp\b0e745a97bce6d27c5cbea7ad0d1919f3c08ad37f73281a4666ef3c0d36ac192.tmp

    Filesize

    680KB

    MD5

    ef9105d68de970efad785e01b21e4e2b

    SHA1

    7fe8801a3e86814972da63a7a943bdc5e31d8888

    SHA256

    381198ca0669ab760f6f9b84e39c39ab5e870f65d17d03ed0dc572a1c602364a

    SHA512

    e388cbf32a4d833c0e4c6c1a129515b4d12eac5b333f2aec39e741d3a0da856c5923d47cf4d3083ad030f7f07b9214261b2b9119720920dd42929eeb617e779c

  • memory/3036-77-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3036-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4032-92-0x0000000000AC0000-0x0000000000B62000-memory.dmp

    Filesize

    648KB

  • memory/4032-108-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-123-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-120-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-73-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-117-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-75-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-114-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-111-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-78-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-81-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-82-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-85-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-88-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-91-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-105-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-96-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4032-102-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4400-65-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4400-67-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4400-71-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4400-69-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/4856-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4856-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/4856-76-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB