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Analysis
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max time kernel
300s -
max time network
262s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-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
ezqehid.ua
http://ezqehid.ua/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff614c2e7919c32
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral2/memory/1212-84-0x0000000002900000-0x00000000029A2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3320 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 5024 audionormalizer32_64.exe 1212 audionormalizer32_64.exe -
Loads dropped DLL 1 IoCs
pid Process 3320 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 152.89.198.214 -
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 3320 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3620 wrote to memory of 3320 3620 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe 73 PID 3620 wrote to memory of 3320 3620 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe 73 PID 3620 wrote to memory of 3320 3620 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe 73 PID 3320 wrote to memory of 5024 3320 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 74 PID 3320 wrote to memory of 5024 3320 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 74 PID 3320 wrote to memory of 5024 3320 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 74 PID 3320 wrote to memory of 1212 3320 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 75 PID 3320 wrote to memory of 1212 3320 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 75 PID 3320 wrote to memory of 1212 3320 3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp 75
Processes
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C:\Users\Admin\AppData\Local\Temp\3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe"C:\Users\Admin\AppData\Local\Temp\3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3620 -
C:\Users\Admin\AppData\Local\Temp\is-LVS0A.tmp\3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp"C:\Users\Admin\AppData\Local\Temp\is-LVS0A.tmp\3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp" /SL5="$601E6,4949118,54272,C:\Users\Admin\AppData\Local\Temp\3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3320 -
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:5024
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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:1212
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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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C:\Users\Admin\AppData\Local\Temp\is-LVS0A.tmp\3da087ca93444be5c82bba932afc43e2b3469d16ff4ad0f3e6b7a492f0862127.tmp
Filesize680KB
MD581bccde22051d526856ba27855373251
SHA1f4c364aece88a2855b0c40e9cdfc8fb2e1406ae8
SHA256bf3447b6b23117cd772099edca2b134e17cefd530aad224d4bcb842525dfbe6b
SHA5128d1bfe370d230fd3b37a87c9124a264654e5e410d8d544a6b577386bcb2762fea27c39e9fc28ea56f89123dae34959b606b05a7aae72209fd2f4dedb75822d23
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63