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Analysis
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max time kernel
293s -
max time network
252s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
27/06/2024, 22:46
Static task
static1
Behavioral task
behavioral1
Sample
3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe
Resource
win10-20240404-en
General
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Target
3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe
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Size
5.0MB
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MD5
8c0ab37ceff70be75ec0efbfb8a9d2a2
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SHA1
ebb0d7419a8a406b3306ff44c29394f8f5a2c1a8
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SHA256
3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127
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SHA512
df1512360a8d45044ba63db13ecf61850028bbd5d715c3914c0c5a7a3120776a92862109a7cba1623631877a279078e19099c41dc513b59604670856682f1861
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SSDEEP
98304:meR6KO/uYOSYPkn06DCf4pdYmSexvQ+42OgWFs+O9cgqfwUQSaRnA:JRqjYkFmKSexvQ+4iGsp9ctfwUQSsnA
Malware Config
Extracted
socks5systemz
dloteyi.info
http://dloteyi.info/search/?q=67e28dd83859fa2b145ba44a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6e8bfd19c4ea93
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/2504-94-0x0000000002350000-0x00000000023F2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 2536 audionormalizer32_64.exe 2504 audionormalizer32_64.exe -
Loads dropped DLL 6 IoCs
pid Process 1596 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.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.
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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
pid Process 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1596 wrote to memory of 1920 1596 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe 28 PID 1596 wrote to memory of 1920 1596 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe 28 PID 1596 wrote to memory of 1920 1596 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe 28 PID 1596 wrote to memory of 1920 1596 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe 28 PID 1596 wrote to memory of 1920 1596 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe 28 PID 1596 wrote to memory of 1920 1596 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe 28 PID 1596 wrote to memory of 1920 1596 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe 28 PID 1920 wrote to memory of 2536 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 29 PID 1920 wrote to memory of 2536 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 29 PID 1920 wrote to memory of 2536 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 29 PID 1920 wrote to memory of 2536 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 29 PID 1920 wrote to memory of 2504 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 30 PID 1920 wrote to memory of 2504 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 30 PID 1920 wrote to memory of 2504 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 30 PID 1920 wrote to memory of 2504 1920 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe"C:\Users\Admin\AppData\Local\Temp\3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Users\Admin\AppData\Local\Temp\is-1TIOD.tmp\3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp"C:\Users\Admin\AppData\Local\Temp\is-1TIOD.tmp\3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp" /SL5="$40150,4949118,54272,C:\Users\Admin\AppData\Local\Temp\3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe"C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe" -i3⤵
- Executes dropped EXE
PID:2536
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C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe"C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe" -s3⤵
- Executes dropped EXE
PID:2504
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.3MB
MD511b36ef56a8c1ca8a6934ab794d0167f
SHA123b280023f111df7f0e322350ce5e91e95029aa5
SHA256b4c69209ad61d3a3e840bcbf1d11bbc82b41c28c079c9bb5fbfdca495bc67735
SHA512eb6d6a2ff7d37532ebbc65e7178ceaf5bbae86041a55c27fbdffca4efaeaf3cf4cdf56fe66f384f502508cb9db0efc95a906dc704f3ba3f990e9f02fc57880a0
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\Users\Admin\AppData\Local\Temp\is-1TIOD.tmp\3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp
Filesize680KB
MD581bccde22051d526856ba27855373251
SHA1f4c364aece88a2855b0c40e9cdfc8fb2e1406ae8
SHA256bf3447b6b23117cd772099edca2b134e17cefd530aad224d4bcb842525dfbe6b
SHA5128d1bfe370d230fd3b37a87c9124a264654e5e410d8d544a6b577386bcb2762fea27c39e9fc28ea56f89123dae34959b606b05a7aae72209fd2f4dedb75822d23
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3