Analysis
- max time kernel
146s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240611-en - resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system - submitted
24/06/2024, 16:43
Static task
static1
Behavioral task
behavioral1
Sample
9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.exe
Resource
win11-20240611-en
General
- Target 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.exe
- Size 4.8MB
- Sample240624-t773cssdjf
- SHA256 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c
- MD5 6a20cd124e3422b93ef68806e86f495e
- SHA1 72eca2554bb61aeb120717f6895879fb7447a7cc
- SHA512 e9e887687731ffb771bfb961ee7f0888a41aa3062642fc5ceb46ae355a2e8ec4f86a51e56af8552dfe781d0cc469d648d9ba4a2bdc9f7c7f360fd68f8b2c1c57
- SSDEEP 98304:mDf3TjTpKsqbnL619YwEJeAsfHzLT0na4JDScFTpPK8xh9Z+DIQ6:WTjtKsqbu19Yozv0na4kWn9ZsIh
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
socks5systemz
-
aqmtqri.ru
-
http://aqmtqri.ru/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff613c4e8919e3d
-
http://aqmtqri.ru/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12eab517aa5c96bd86ea93834896148ab2865b77f80ebad9c50f7cb63037ed2ab423a4344383ba915d911ec07bb606a0708727e40ea678c751bbe34efb0e2807e12571c17f3e83fe16c1e6979e3cc96b90
Signatures
- Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/4392-88-0x00000000009F0000-0x0000000000A92000-memory.dmp family_socks5systemz behavioral2/memory/4392-112-0x00000000009F0000-0x0000000000A92000-memory.dmp family_socks5systemz behavioral2/memory/4392-113-0x00000000009F0000-0x0000000000A92000-memory.dmp family_socks5systemz - Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
pid Process 4156 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.tmp 1132 winypux32.exe 4392 winypux32.exe - Loads dropped DLL 1 IoCs
pid Process 4156 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.tmp - Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 141.98.234.31 - 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
pid Process 4156 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.tmp - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4056 wrote to memory of 4156 4056 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.exe 80 PID 4056 wrote to memory of 4156 4056 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.exe 80 PID 4056 wrote to memory of 4156 4056 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.exe 80 PID 4156 wrote to memory of 1132 4156 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.tmp 82 PID 4156 wrote to memory of 1132 4156 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.tmp 82 PID 4156 wrote to memory of 1132 4156 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.tmp 82 PID 4156 wrote to memory of 4392 4156 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.tmp 83 PID 4156 wrote to memory of 4392 4156 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.tmp 83 PID 4156 wrote to memory of 4392 4156 9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.tmp 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.exe"C:\Users\Admin\AppData\Local\Temp\9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4056 -
C:\Users\Admin\AppData\Local\Temp\is-Q0ONE.tmp\9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.tmp"C:\Users\Admin\AppData\Local\Temp\is-Q0ONE.tmp\9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.tmp" /SL5="$40208,4768713,54272,C:\Users\Admin\AppData\Local\Temp\9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4156 -
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
PID:1132
-
-
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s3⤵
- Executes dropped EXE
PID:4392
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-NLL6S.tmp\_isetup\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\is-Q0ONE.tmp\9b6a3eb67f666120885a27717f6998d6e4175343dbde8c8327a1e5619ed0540c.tmp
- Size 680KB
- SHA256 819409a928f8dc308b38d03f76e58c448bb3e9c323f77e6b6e0a17553f0a8916
- MD5 1eee4412e30594991e3501c1ac6c47bb
- SHA1 d532da40e6cfbb15dbdb272f3186111cdbdb6cad
- SHA512 cbba2bd056ceb17c75ddead7b10612f0272c64cd385bab3eb2973d4ddbe85c283fb76f045f1090487775f243918d2335bdef5f01e0f7c1cd447af4dfcab670bc
- SSDEEP 12288:L0QfKb7nH5lrPo37AzHTA63I0ihE4UEQrrNtIECORGve5ELAfXExy8:ffKbT5lrPo37AzHTA63/cfU9IEUe53f0
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
- Size 2.8MB
- SHA256 7e21c8fd9ec92c3259d7f552a4e9a9d93334cb59500990c5fd51f62d846d8788
- MD5 bcabd83e08fce61ade515dd2a40f0f0c
- SHA1 0eb3348c2f384b802ed2294f76a4cdecba811804
- SHA512 c5b29320669a882321c4bddf1b4490dc17fd85c67675bcbfb4a3baec5b9dc1e9b6a15dd62aa4e5b1c3b148bcf7bf7f3eb1ae4993137550032c1bc974ce14972e
- SSDEEP 49152:3QukzXaifn33yIA9ebg1gsH9T0yC7R6nc2uL:+zlfHbA9ebsgsH28c5
- MD5 SHA1 SHA512 SSDEEP