Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-06-2024 10:57
Static task
static1
Behavioral task
behavioral1
Sample
fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.exe
Resource
win11-20240508-en
General
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Target
fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.exe
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Size
4.9MB
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MD5
59e5b3b2ac82702dbe2820deccd84b91
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SHA1
9fb8446b3b6d7db83c9e2103278de975181d4d7d
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SHA256
fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c
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SHA512
ae1bd9a54367471e4c2a86bbb3dd4849ad636ddf1d64a90e27196125b25935079f3558e1629c14b81bfc2b65a4936154bc183168e068ab0a9c2e23454235c6df
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SSDEEP
98304:md3LFUQzaCwNZhykrddacsgpIPX7dnqnNa70kcxT4XFIT0e86HYV5E5P3CgTu:oUlCwNvyk5stPrp+Na7x9XFITNHd4
Malware Config
Extracted
socks5systemz
bhepoic.com
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4908-84-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmpaudialstunebite32.exeaudialstunebite32.exepid process 2968 fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp 2352 audialstunebite32.exe 4908 audialstunebite32.exe -
Loads dropped DLL 1 IoCs
Processes:
fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmppid process 2968 fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.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 91.211.247.248 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
Processes:
fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmppid process 2968 fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.exefb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmpdescription pid process target process PID 4792 wrote to memory of 2968 4792 fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.exe fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp PID 4792 wrote to memory of 2968 4792 fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.exe fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp PID 4792 wrote to memory of 2968 4792 fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.exe fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp PID 2968 wrote to memory of 2352 2968 fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp audialstunebite32.exe PID 2968 wrote to memory of 2352 2968 fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp audialstunebite32.exe PID 2968 wrote to memory of 2352 2968 fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp audialstunebite32.exe PID 2968 wrote to memory of 4908 2968 fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp audialstunebite32.exe PID 2968 wrote to memory of 4908 2968 fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp audialstunebite32.exe PID 2968 wrote to memory of 4908 2968 fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp audialstunebite32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.exe"C:\Users\Admin\AppData\Local\Temp\fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Users\Admin\AppData\Local\Temp\is-6QGSP.tmp\fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp"C:\Users\Admin\AppData\Local\Temp\is-6QGSP.tmp\fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmp" /SL5="$70240,4935654,54272,C:\Users\Admin\AppData\Local\Temp\fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2968 -
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -i3⤵
- Executes dropped EXE
PID:2352 -
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -s3⤵
- Executes dropped EXE
PID:4908
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exeFilesize
2.5MB
MD5549ef3bde82cf4f0abfd6db6d6c21ab9
SHA17307ecfff4ba4ce823c48180ad90a3c7ad2b8a76
SHA256c54bc080bad4b2ec933ad59a6b24dd417c64d42b7f724e32b8ec2c25a7bf694f
SHA512e04a68dced97c74a382878f26551ed5d4181b01a842bc7e5b338b1e63ec6a1dc3558036d8dc13f66b371b2c946fae902b6682bd7a213a6fb71b89563a87cd9d3
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C:\Users\Admin\AppData\Local\Temp\is-4FDC7.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-6QGSP.tmp\fb57459da8eb5ff8ee3b26602abdda7b7fdb8aa1ba6205523c80cf36f15a062c.tmpFilesize
680KB
MD566f4568e899ebb18b20a877f017f08fd
SHA1887fb52becc444c529acf26e71147b840c7ff885
SHA2568cf70a4ca81a1d9db93d89a13adf2feb2c1da109142ac356d14fa427694178e0
SHA5122ea355abe2f31a7edb5b8cd96799a2843549ec82991fc64d9d8a13e0faec5849fce5864ef0148540f7246c646fd3c6e369d036450fe6a075afc57bb239410b66
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memory/2352-59-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/2352-61-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/2352-63-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/2968-68-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2968-16-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4792-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/4792-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4792-67-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4908-73-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-93-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-72-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-66-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-76-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-79-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-82-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-84-0x00000000009A0000-0x0000000000A42000-memory.dmpFilesize
648KB
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memory/4908-88-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-69-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-96-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-99-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-102-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-105-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-108-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-111-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB
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memory/4908-114-0x0000000000400000-0x000000000067D000-memory.dmpFilesize
2.5MB