Analysis
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max time kernel
148s -
max time network
151s -
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 04:41
Static task
static1
Behavioral task
behavioral1
Sample
efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.exe
Resource
win11-20240508-en
General
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Target
efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.exe
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Size
4.5MB
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MD5
b64b3050b57029846afbab4b5662a9bc
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SHA1
471be048fbd996f1cc56267e28c7e15b5b77e80c
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SHA256
efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d
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SHA512
18ce5e4932721bef4a18b56b4878aaf98d180030f3795c0653ba15f32dc090a027d4b0e7b20ebba44ec2aeca1947b39d3a1d0f1df774df77e2723f8361a1f063
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SSDEEP
98304:m6dwQCayJ0tFitrlVJ6DF0vw89+w5V6aXEAQyeObtRW4ZuUkH:Be23CJ6Dyvwwz5CAQyD8TUo
Malware Config
Extracted
socks5systemz
aybmtph.ru
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3504-86-0x00000000009B0000-0x0000000000A52000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmpaudialstunebite.exeaudialstunebite.exepid process 1336 efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp 3784 audialstunebite.exe 3504 audialstunebite.exe -
Loads dropped DLL 1 IoCs
Processes:
efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmppid process 1336 efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.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 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
Processes:
efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmppid process 1336 efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.exeefdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmpdescription pid process target process PID 1736 wrote to memory of 1336 1736 efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.exe efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp PID 1736 wrote to memory of 1336 1736 efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.exe efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp PID 1736 wrote to memory of 1336 1736 efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.exe efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp PID 1336 wrote to memory of 3784 1336 efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp audialstunebite.exe PID 1336 wrote to memory of 3784 1336 efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp audialstunebite.exe PID 1336 wrote to memory of 3784 1336 efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp audialstunebite.exe PID 1336 wrote to memory of 3504 1336 efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp audialstunebite.exe PID 1336 wrote to memory of 3504 1336 efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp audialstunebite.exe PID 1336 wrote to memory of 3504 1336 efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp audialstunebite.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.exe"C:\Users\Admin\AppData\Local\Temp\efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Users\Admin\AppData\Local\Temp\is-QBT7S.tmp\efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp"C:\Users\Admin\AppData\Local\Temp\is-QBT7S.tmp\efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmp" /SL5="$40242,4446498,54272,C:\Users\Admin\AppData\Local\Temp\efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1336 -
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -i3⤵
- Executes dropped EXE
PID:3784 -
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -s3⤵
- Executes dropped EXE
PID:3504
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exeFilesize
2.4MB
MD5e9f8f32de63704cd4f78775b70e8b27e
SHA13ba93cca9ba299a8be4c3ea807b5903b3c063e3d
SHA2567c1ac656546d9e236f45196a30a82b32b7cb5ffbbc1c01d20ae406747c401197
SHA5128eeaf2632a4a3cc07338cc34d0ab6cd3145180da3961b3defa936fec9307789728b4ffcda79fe11970bbb04e4abbe7b7403a7337a29009886fa68b8f35639779
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C:\Users\Admin\AppData\Local\Temp\is-NSHF9.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-QBT7S.tmp\efdde3de766dc42d8474f9202fe7f7afe5bca4d0e0a4562ca8fd1a5aa1fc944d.tmpFilesize
680KB
MD5ab45198579b221f2ed1c7fa4a35dd4c3
SHA17d80a3b668730752d9476fa53a8c95a35439a29c
SHA2567b85325b721785e428f7ca8e0812f5e8cb900e66103c4d7b78c0299c4b5a2db2
SHA5121f8572ccde4570d67cb8a6158560a01ceac0846335174ce500fcc1450268df247c0ec54d95145f9df25148a180c8008fb488a7d1c268948cf323402b94c4a13b
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memory/1336-8-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1336-71-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1736-70-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/1736-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/1736-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3504-90-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-85-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-68-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-69-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-117-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-114-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-72-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-75-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-76-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-79-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-82-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-111-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-86-0x00000000009B0000-0x0000000000A52000-memory.dmpFilesize
648KB
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memory/3504-108-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-96-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-99-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-102-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3504-105-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3784-59-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3784-61-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3784-63-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB
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memory/3784-65-0x0000000000400000-0x0000000000667000-memory.dmpFilesize
2.4MB