Analysis

  • max time kernel
    292s
  • max time network
    256s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 22:31

General

  • Target

    0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe

  • Size

    4.4MB

  • MD5

    a3dc4bca5fd172e0483dd3ab19f61913

  • SHA1

    434a9c7667eabe35ba85c337800ec0d48a217dc2

  • SHA256

    0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8

  • SHA512

    f8bbb211e4f9d8ab137da05bf451714efe2604408dd13dd1c902fa318f914a18cd548428ae5599215ac04b599a325ce8ec3a7cca075b0cbda4fce9f6ce5a4a14

  • SSDEEP

    98304:mJN1xw1T7zD88MsRLKgSiNcPnelzJRxzy9Oul79l2C7+lpn:O1xwdHbugfNcPnCzJRxzy9OG59ar

Malware Config

Extracted

Family

socks5systemz

C2

bptiljx.com

http://bptiljx.com/search/?q=67e28dd86c0ca72e110aab177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd13c7e89c

http://bptiljx.com/search/?q=67e28dd86c0ca72e110aab177c27d78406abdd88be4b12eab517aa5c96bd86e99d8644855a8bbc896c58e713bc90c91d36b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c8e697983cca66

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe
    "C:\Users\Admin\AppData\Local\Temp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\is-T9AOH.tmp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-T9AOH.tmp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp" /SL5="$30144,4393398,54272,C:\Users\Admin\AppData\Local\Temp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1800
      • C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
        "C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1696
      • C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
        "C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2560

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
    Filesize

    2.4MB

    MD5

    0e3a6bb1924da6354a0bb156b154070b

    SHA1

    8b9aa8acbb0032e844b7a22723d3b56c3ebcbaf3

    SHA256

    5e97d5c7262b3937f327ad5d5868908e1c2224951c51ac9cbce175a49bc49f11

    SHA512

    470364e8d680c4d12f1bd3f66dccea599866756d69aac6020d28b489cadc6e625c23058a5130e4024252f9bbde56019a1875d64f24dd9bb6ca7650e38242546f

  • \Users\Admin\AppData\Local\Temp\is-LP9MM.tmp\_isetup\_iscrypt.dll
    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-LP9MM.tmp\_isetup\_shfoldr.dll
    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-T9AOH.tmp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
    Filesize

    680KB

    MD5

    9cd4f8c1e5d8e1e4c8fdc6d1bd5f38f7

    SHA1

    1e4c40a5a532968887c2b5ce0bf6b4d64f192ed2

    SHA256

    e0c5cc0a232d6ab642ecb701314227275a33cce2de01312cc9cf565e400e8129

    SHA512

    24d2c239786909767b7fa1d1170318c2025b323fd52b799eb0f3331e6053fa458908f0cd59d8b8a35a8e08828dfcc4e16ba82cf513f53980a7cfbe5ea751a39b

  • memory/1696-65-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/1696-67-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/1696-69-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/1800-80-0x0000000003580000-0x00000000037E9000-memory.dmp
    Filesize

    2.4MB

  • memory/1800-17-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/1800-64-0x0000000003580000-0x00000000037E9000-memory.dmp
    Filesize

    2.4MB

  • memory/1800-75-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/1800-81-0x0000000003580000-0x00000000037E9000-memory.dmp
    Filesize

    2.4MB

  • memory/2432-2-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/2432-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2432-74-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2560-84-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-109-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-76-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-72-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-87-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-90-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-93-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-94-0x00000000025D0000-0x0000000002672000-memory.dmp
    Filesize

    648KB

  • memory/2560-100-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-103-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-106-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-79-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-112-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-115-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-117-0x00000000025D0000-0x0000000002672000-memory.dmp
    Filesize

    648KB

  • memory/2560-116-0x00000000025D0000-0x0000000002672000-memory.dmp
    Filesize

    648KB

  • memory/2560-121-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-124-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-127-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-130-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-133-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB

  • memory/2560-136-0x0000000000400000-0x0000000000669000-memory.dmp
    Filesize

    2.4MB