Analysis

  • max time kernel
    292s
  • max time network
    255s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20-06-2024 22:49

General

  • Target

    68e63688ff67acb26abc1d0038d247361a57fdfeb55464bff2fd8688c44d5daa.exe

  • Size

    5.8MB

  • MD5

    55e316426832b28f84b4a25719379c30

  • SHA1

    e61af4a8521b17b2ad4128418c7deb28e211335a

  • SHA256

    68e63688ff67acb26abc1d0038d247361a57fdfeb55464bff2fd8688c44d5daa

  • SHA512

    ece941015a39bf3ddfc328ab000eeb2994ace2c5b09680a5008c2ec1503ef8d58f35f5565688876d408ed223a405baae784a8507614ef469c7cb336d62be40d1

  • SSDEEP

    98304:mH4/3dHnGjhmqKgiz4GKdM6lhjETbIZGIq4UpDvEEJCncqmzArfhy9Ufqjl0:P/tHqkzudM6lUb2SHpjftqwsa12

Malware Config

Extracted

Family

socks5systemz

C2

bxwmlao.com

http://bxwmlao.com/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec9d9e3f

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\68e63688ff67acb26abc1d0038d247361a57fdfeb55464bff2fd8688c44d5daa.exe
    "C:\Users\Admin\AppData\Local\Temp\68e63688ff67acb26abc1d0038d247361a57fdfeb55464bff2fd8688c44d5daa.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Users\Admin\AppData\Local\Temp\is-LDQ02.tmp\68e63688ff67acb26abc1d0038d247361a57fdfeb55464bff2fd8688c44d5daa.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LDQ02.tmp\68e63688ff67acb26abc1d0038d247361a57fdfeb55464bff2fd8688c44d5daa.tmp" /SL5="$50228,5863023,54272,C:\Users\Admin\AppData\Local\Temp\68e63688ff67acb26abc1d0038d247361a57fdfeb55464bff2fd8688c44d5daa.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1840
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4152
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe

    Filesize

    3.4MB

    MD5

    84c32cad47d901a5bdeed678295f3e4c

    SHA1

    3eeea1cc122c980b8e0db9f0e5b0cd19ce5ffff1

    SHA256

    20076c60f7dd1a1e34b055efb85ef41e4f5c5d30c08f705312af96c6becbe3e4

    SHA512

    56ba3d2fa9d86687e63d29f25421a7b125f7d91aa1ee0219e9c0bd2d19d07d073b8e625f17d82345c2d67e54108fb1593728d88f9360da6fa4fc799ef38a5133

  • C:\Users\Admin\AppData\Local\Temp\is-LDQ02.tmp\68e63688ff67acb26abc1d0038d247361a57fdfeb55464bff2fd8688c44d5daa.tmp

    Filesize

    680KB

    MD5

    5baf97b8447c7245e308c807eba2b172

    SHA1

    628c759120b7595bb697c14dd265f7f4616c8e72

    SHA256

    ef10ffb51e1be8ba1b160ebdfee12c968b3f98f71310bdcb003dd117f4b2a124

    SHA512

    dc38d1a5ae1e8b6f3779aea908a55a1853ecf7b6a632f11c50d9abc48aafa60e90182eb5a280d3ba94430d2ce5f02624b4c2000bd636da34643f25c95772e47d

  • \Users\Admin\AppData\Local\Temp\is-30IBF.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-30IBF.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • memory/908-74-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/908-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/908-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1840-22-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1840-75-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2484-110-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-98-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-137-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-132-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-76-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-79-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-82-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-85-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-88-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-89-0x00000000023D0000-0x0000000002472000-memory.dmp

    Filesize

    648KB

  • memory/2484-93-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-73-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-101-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-104-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-107-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-129-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-113-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-117-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-120-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-123-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/2484-126-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/4152-65-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/4152-66-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB

  • memory/4152-70-0x0000000000400000-0x0000000000774000-memory.dmp

    Filesize

    3.5MB