Analysis

  • max time kernel
    149s
  • 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
    02-07-2024 06:43

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 3 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:4108
    • C:\Users\Admin\AppData\Local\Temp\is-733MK.tmp\c18c4984c162f12669405b2748f15c495dc25ec568af02b739092aee4d2deadb.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-733MK.tmp\c18c4984c162f12669405b2748f15c495dc25ec568af02b739092aee4d2deadb.tmp" /SL5="$7011E,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:1708
      • 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:4416
      • 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:1212

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-733MK.tmp\c18c4984c162f12669405b2748f15c495dc25ec568af02b739092aee4d2deadb.tmp
    Filesize

    680KB

    MD5

    57f105eb048c2e407e3cf46e6a350d2e

    SHA1

    ddc7ca9f8d7974fcfe60dbac04465772ad91068e

    SHA256

    1d7a6131a37000b32deddac26b45589a3d1e1399d1231fb9916f388a17d87aff

    SHA512

    c7f77db12ce7c705b418753b167fbbf1ee0a8cd3c75ca0f2da5fce4bfc9667b059494bd4b0c10a74e95c72beef09398a86746bcef7bf58bb84baa4ea1dae5007

  • C:\Users\Admin\AppData\Local\Temp\is-H6C16.tmp\_isetup\_iscrypt.dll
    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

    4.2MB

    MD5

    65dbccac007053b8ba204f22c1ccd953

    SHA1

    832a1e86c4e35c115ef5ba1357b2908332129a36

    SHA256

    bfcbd1081f9c46751bf0ce9e69082881ab0be71ffe1c8b488e4766d2a02df9c5

    SHA512

    19de25941c07334bf40b88d7719080d95df6207ee107e9f0b2dfcf7d5ccf459ba23f5a1f395d44192f7fbc63de9511fe001fc5c112ab5fb1767c29571fda4d37

  • memory/1212-101-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-104-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-79-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-119-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-82-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-116-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-112-0x0000000000920000-0x00000000009C2000-memory.dmp
    Filesize

    648KB

  • memory/1212-68-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-69-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-111-0x0000000000920000-0x00000000009C2000-memory.dmp
    Filesize

    648KB

  • memory/1212-110-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-85-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-75-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-76-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-107-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-98-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-72-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-88-0x0000000000920000-0x00000000009C2000-memory.dmp
    Filesize

    648KB

  • memory/1212-90-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1212-95-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/1708-12-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/1708-71-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/4108-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4108-3-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/4108-70-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4416-60-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4416-65-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4416-64-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB

  • memory/4416-59-0x0000000000400000-0x000000000082F000-memory.dmp
    Filesize

    4.2MB