Analysis
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max time kernel
143s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
13/06/2024, 09:51
Static task
static1
Behavioral task
behavioral1
Sample
380d33122267e606830bba85597bbb9c.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
380d33122267e606830bba85597bbb9c.exe
Resource
win10v2004-20240508-en
General
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Target
380d33122267e606830bba85597bbb9c.exe
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Size
4.8MB
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MD5
380d33122267e606830bba85597bbb9c
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SHA1
3c280b31f6be9b2a0d15f1cf0d932f314bbb724f
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SHA256
b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f
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SHA512
b7fa933a545da21541a38d5a14c376710cf792e222ebe4ab751d5090eb42f0ca4bf6dc90f943a67525c02d2684fdc9c8a973df46ca78204fe0d7ce47719053c1
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SSDEEP
98304:m1vNssAFCK0nMd3lhQ0UOaHc27PivQ5HOwRTtLrh4D9q1SKJetbNolkcZU:jsm93lhgOekM/Bt3o99tbO/ZU
Malware Config
Extracted
socks5systemz
aavebxf.ru
http://aavebxf.ru/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8cf813c3ec94
http://aavebxf.ru/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12eab517aa5c96bd86e5908f4e96148ab2865b77f80ebad9c10f7cb63037ed2ab423a43b4383ba915d911ec07bb606a0708720fa11b861c353baf51aba1e7242fa7023cc366689fe19c2e8979938cc
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2700-94-0x0000000002560000-0x0000000002602000-memory.dmp family_socks5systemz behavioral1/memory/2700-116-0x0000000002560000-0x0000000002602000-memory.dmp family_socks5systemz behavioral1/memory/2700-117-0x0000000002560000-0x0000000002602000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1812 380d33122267e606830bba85597bbb9c.tmp 2736 audioconverter32.exe 2700 audioconverter32.exe -
Loads dropped DLL 6 IoCs
pid Process 2416 380d33122267e606830bba85597bbb9c.exe 1812 380d33122267e606830bba85597bbb9c.tmp 1812 380d33122267e606830bba85597bbb9c.tmp 1812 380d33122267e606830bba85597bbb9c.tmp 1812 380d33122267e606830bba85597bbb9c.tmp 1812 380d33122267e606830bba85597bbb9c.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 1812 380d33122267e606830bba85597bbb9c.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2416 wrote to memory of 1812 2416 380d33122267e606830bba85597bbb9c.exe 28 PID 2416 wrote to memory of 1812 2416 380d33122267e606830bba85597bbb9c.exe 28 PID 2416 wrote to memory of 1812 2416 380d33122267e606830bba85597bbb9c.exe 28 PID 2416 wrote to memory of 1812 2416 380d33122267e606830bba85597bbb9c.exe 28 PID 2416 wrote to memory of 1812 2416 380d33122267e606830bba85597bbb9c.exe 28 PID 2416 wrote to memory of 1812 2416 380d33122267e606830bba85597bbb9c.exe 28 PID 2416 wrote to memory of 1812 2416 380d33122267e606830bba85597bbb9c.exe 28 PID 1812 wrote to memory of 2736 1812 380d33122267e606830bba85597bbb9c.tmp 29 PID 1812 wrote to memory of 2736 1812 380d33122267e606830bba85597bbb9c.tmp 29 PID 1812 wrote to memory of 2736 1812 380d33122267e606830bba85597bbb9c.tmp 29 PID 1812 wrote to memory of 2736 1812 380d33122267e606830bba85597bbb9c.tmp 29 PID 1812 wrote to memory of 2700 1812 380d33122267e606830bba85597bbb9c.tmp 30 PID 1812 wrote to memory of 2700 1812 380d33122267e606830bba85597bbb9c.tmp 30 PID 1812 wrote to memory of 2700 1812 380d33122267e606830bba85597bbb9c.tmp 30 PID 1812 wrote to memory of 2700 1812 380d33122267e606830bba85597bbb9c.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\380d33122267e606830bba85597bbb9c.exe"C:\Users\Admin\AppData\Local\Temp\380d33122267e606830bba85597bbb9c.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2416 -
C:\Users\Admin\AppData\Local\Temp\is-S6VPB.tmp\380d33122267e606830bba85597bbb9c.tmp"C:\Users\Admin\AppData\Local\Temp\is-S6VPB.tmp\380d33122267e606830bba85597bbb9c.tmp" /SL5="$40026,4803463,54272,C:\Users\Admin\AppData\Local\Temp\380d33122267e606830bba85597bbb9c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1812 -
C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -i3⤵
- Executes dropped EXE
PID:2736
-
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C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -s3⤵
- Executes dropped EXE
PID:2700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.9MB
MD5fecefb27f2f5fffc11c380e2c13d8308
SHA1e11cc93d7cc1a4d01d7660220a16121b4032da6c
SHA25614370d3de60c9acbc677944195f6e9d3e3477fc5e2fb7999dcc13c3fc3eafe45
SHA512c75f4e35040cabdade4b19410b1ff1d6da0b150a491cb5fc9564ca1c987bd9715db2d56623811558b8c29be79d2818ea817156faf1ea34b4f838017ffd62d2f2
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Filesize
680KB
MD5f2ea57162349fbb5a88b276f91880c7d
SHA131d0ef8f01ec1dbca631b2aee891ec46c0a2c663
SHA256756ee2c303f097f361c1f6f16f118612acd5ceb277fd7642695b36fedf0dba68
SHA5123dd06f405e036ade9fd52ac7ae189e8c1bafc48dc09f6f346f5b1ddb32ec43ecf527bd96d2c446d320cd22ea63d5eae430cab92533847d83a0af015224a13799
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3