Analysis
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max time kernel
146s -
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
01-07-2024 05:52
Static task
static1
Behavioral task
behavioral1
Sample
081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe
Resource
win11-20240508-en
General
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Target
081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe
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Size
5.1MB
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MD5
87f2cbeb9961119c0b94bf927464b07c
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SHA1
82f559f5c8c4026d682f86f92d92aeed9dda65de
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SHA256
081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7
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SHA512
1e361a37b9eff43d1132b4ca0c46015ee6b6f8224a8b444d057905a1866f9706a09f4ee7e9bfe4dc29e526ee339604936815a57366f6114a6ed453808370423e
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SSDEEP
98304:CSJ32iFLlR83ezHvNX8fzEs8JNHWZMawVhJ/74/pMdXQYDwcr4e+p5Qx2:HJVZaOzNMfz98JuwVhJ/UxMlate+p5Qw
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1140-86-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz behavioral2/memory/1140-112-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz behavioral2/memory/1140-113-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmpmp3doctorfree.exemp3doctorfree.exepid process 536 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp 4920 mp3doctorfree.exe 1140 mp3doctorfree.exe -
Loads dropped DLL 1 IoCs
Processes:
081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmppid process 536 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp -
Unexpected DNS network traffic destination 1 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 -
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:
081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmppid process 536 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmpdescription pid process target process PID 4072 wrote to memory of 536 4072 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp PID 4072 wrote to memory of 536 4072 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp PID 4072 wrote to memory of 536 4072 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp PID 536 wrote to memory of 4920 536 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp mp3doctorfree.exe PID 536 wrote to memory of 4920 536 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp mp3doctorfree.exe PID 536 wrote to memory of 4920 536 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp mp3doctorfree.exe PID 536 wrote to memory of 1140 536 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp mp3doctorfree.exe PID 536 wrote to memory of 1140 536 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp mp3doctorfree.exe PID 536 wrote to memory of 1140 536 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp mp3doctorfree.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe"C:\Users\Admin\AppData\Local\Temp\081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-QBG3N.tmp\081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp"C:\Users\Admin\AppData\Local\Temp\is-QBG3N.tmp\081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp" /SL5="$4020E,5130465,54272,C:\Users\Admin\AppData\Local\Temp\081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe"C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe"C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe" -s3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exeFilesize
3.7MB
MD5cb85328072de1e83e649cb06d53d47b9
SHA1b7212b5c192473e4176cf3655414ebb10f05d154
SHA2564fdf7ed3fde9173543a8db72a5e3f8679cafabf0960d7e67cc1e319615b3e940
SHA5123fe186564f2676bf3484b0522615c11f08779bcbe3c093c8d7a804aeb1fec4e98e03951961be6fe73b4a666c5ef56a1dfe6ca94c1406975c63fdc5bcce620880
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C:\Users\Admin\AppData\Local\Temp\is-KVVQD.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-QBG3N.tmp\081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmpFilesize
680KB
MD5a8acbb635dadcdb78f1859944862815c
SHA183872731d4effcfa9d15612316210b2e76da02e4
SHA2568727197eb8363c1c5fdb30b8a98323964d2444a38c3436d1d8c4e64e60c5789b
SHA512f671adc769c422ef3eb651447c3aed365f70ce62f7f442b5b748d5f7f269be9b657711f2489c6a1b1132495f59f18fd6e4b683c029dd628b24b98a07da264cf7
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memory/536-71-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/536-16-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1140-102-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-72-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-120-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-117-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-113-0x0000000000AB0000-0x0000000000B52000-memory.dmpFilesize
648KB
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memory/1140-67-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-69-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-112-0x0000000000AB0000-0x0000000000B52000-memory.dmpFilesize
648KB
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memory/1140-111-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-105-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-75-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-76-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-79-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-82-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-85-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-86-0x0000000000AB0000-0x0000000000B52000-memory.dmpFilesize
648KB
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memory/1140-91-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-96-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-99-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/1140-108-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/4072-70-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4072-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4072-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/4920-59-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/4920-60-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/4920-65-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB
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memory/4920-63-0x0000000000400000-0x00000000007B7000-memory.dmpFilesize
3.7MB