Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-07-2024 08:17

General

  • Target

    c18c4984c162f12669405b2748f15c495dc25ec568af02b739092aee4d2deadb.exe

  • Size

    5.2MB

  • MD5

    7c33c56d2c1edb9951290ca032ca6142

  • SHA1

    0818cc1e6ffa0f405b112e2673803f7b34360ed8

  • SHA256

    c18c4984c162f12669405b2748f15c495dc25ec568af02b739092aee4d2deadb

  • SHA512

    ae01e998758ade7fa971b4e31a6a648d37de828b1f389ca375108af245e0d05efba8689f921e094e6ea16e04c4c3a3c10c9a6fbf06d5bac376a5d39388410696

  • SSDEEP

    98304:CWpeqZ51gpUUMdNFL33UN3+u4ugw/OfDbT0+3I1Sc18jiINIp9f1QxS:7peqf1YUpzFbkNf4ugdrffySOxp9f1Q0

Malware Config

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\c18c4984c162f12669405b2748f15c495dc25ec568af02b739092aee4d2deadb.exe
    "C:\Users\Admin\AppData\Local\Temp\c18c4984c162f12669405b2748f15c495dc25ec568af02b739092aee4d2deadb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Local\Temp\is-BUH7D.tmp\c18c4984c162f12669405b2748f15c495dc25ec568af02b739092aee4d2deadb.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-BUH7D.tmp\c18c4984c162f12669405b2748f15c495dc25ec568af02b739092aee4d2deadb.tmp" /SL5="$A0066,5195823,54272,C:\Users\Admin\AppData\Local\Temp\c18c4984c162f12669405b2748f15c495dc25ec568af02b739092aee4d2deadb.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe
        "C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe" -i
        3⤵
        • Executes dropped EXE
        PID:5044
      • C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe
        "C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4680

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-7RLMD.tmp\_isetup\_iscrypt.dll
    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-BUH7D.tmp\c18c4984c162f12669405b2748f15c495dc25ec568af02b739092aee4d2deadb.tmp
    Filesize

    680KB

    MD5

    57f105eb048c2e407e3cf46e6a350d2e

    SHA1

    ddc7ca9f8d7974fcfe60dbac04465772ad91068e

    SHA256

    1d7a6131a37000b32deddac26b45589a3d1e1399d1231fb9916f388a17d87aff

    SHA512

    c7f77db12ce7c705b418753b167fbbf1ee0a8cd3c75ca0f2da5fce4bfc9667b059494bd4b0c10a74e95c72beef09398a86746bcef7bf58bb84baa4ea1dae5007

  • C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe
    Filesize

    4.2MB

    MD5

    65dbccac007053b8ba204f22c1ccd953

    SHA1

    832a1e86c4e35c115ef5ba1357b2908332129a36

    SHA256

    bfcbd1081f9c46751bf0ce9e69082881ab0be71ffe1c8b488e4766d2a02df9c5

    SHA512

    19de25941c07334bf40b88d7719080d95df6207ee107e9f0b2dfcf7d5ccf459ba23f5a1f395d44192f7fbc63de9511fe001fc5c112ab5fb1767c29571fda4d37

  • memory/2520-69-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2520-2-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/2520-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2696-10-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/2696-70-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/4680-96-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-83-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-68-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-114-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-111-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-71-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-74-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-77-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-80-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-108-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-86-0x0000000002960000-0x0000000002A02000-memory.dmp
    Filesize

    648KB

  • memory/4680-90-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-93-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-105-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-99-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4680-102-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/5044-59-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/5044-65-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/5044-61-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/5044-60-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB