Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24-06-2024 14:27
Static task
static1
Behavioral task
behavioral1
Sample
8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe
Resource
win11-20240611-en
General
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Target
8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe
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Size
4.9MB
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MD5
849b587f96a731f17d37a4d5ae2f0b7c
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SHA1
e2c0697598d976fbf5bf094c48f0e96bb35cce50
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SHA256
8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f
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SHA512
a21184f79bcb9c1b3bd1cd9e0e0e47059671337d5ab6bad92237c90b4b25bfbab878e6990379af398a7e9212ed1b8c427bd9b5a6f5c4471189b54e0d90fd97eb
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SSDEEP
98304:mAnLHmNI5nj3UUJJRJ4yef6V2STaH2DOBhBGII43Fbq:bmNI57UUJjJ4yefiNrO55h3c
Malware Config
Extracted
socks5systemz
cemstqk.net
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/4788-85-0x0000000000990000-0x0000000000A32000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmpwinypux32.exewinypux32.exepid process 2688 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp 4736 winypux32.exe 4788 winypux32.exe -
Loads dropped DLL 1 IoCs
Processes:
8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmppid process 2688 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp -
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 152.89.198.214 Destination IP 152.89.198.214 Destination IP 91.211.247.248 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmppid process 2688 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmpdescription pid process target process PID 1392 wrote to memory of 2688 1392 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp PID 1392 wrote to memory of 2688 1392 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp PID 1392 wrote to memory of 2688 1392 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp PID 2688 wrote to memory of 4736 2688 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp winypux32.exe PID 2688 wrote to memory of 4736 2688 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp winypux32.exe PID 2688 wrote to memory of 4736 2688 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp winypux32.exe PID 2688 wrote to memory of 4788 2688 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp winypux32.exe PID 2688 wrote to memory of 4788 2688 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp winypux32.exe PID 2688 wrote to memory of 4788 2688 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp winypux32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe"C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp"C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp" /SL5="$B004E,4940198,54272,C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
PID:4736
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C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s3⤵
- Executes dropped EXE
PID:4788
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp
Filesize680KB
MD5a84057e0e5035c21319872763d8b273c
SHA1b90e1b689d755299e31ffb849238a9dd16f6ff99
SHA256709f24fc9f26e097daa98410a38e37ab7328e1ed86aca88cb99e841a96b2b08f
SHA512987b38ad52b0888ebd0cbd25fc857bc0251e99edc7835cb8ccafd16d7d5ace935b148984c6cdf469b898db36614369d8996b8fec97b91eeee2db264d1c5f5ab2
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Filesize
3.0MB
MD553214fb200ab0d411c9ad05d2e2b012c
SHA105f1e1e008be65c384b8ad93854504d658686707
SHA2565992206c8b576be2c65009b544db4827ae4e296dcddb75b855d3c3904fe8f471
SHA5124cab62de32cb0e871ca8678a60faf76df03ce40b04ad0c167bbc54dcd5a8ba90be3e849e1ba6aa4968065fad27e0f8b726a2ecc59daebf12a9c6d6472f552109