Analysis
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max time kernel
142s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
02-07-2024 00:26
Static task
static1
Behavioral task
behavioral1
Sample
45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.exe
Resource
win11-20240611-en
General
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Target
45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.exe
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Size
5.1MB
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MD5
5749065dd1b4c717fc42a4346b8d70e5
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SHA1
90099afda4f639448a52859166f253ce8281d168
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SHA256
45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5
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SHA512
e1be8e3e4c35e4998ce5170c7bb03280df683a90efebb8fae601bdb2545791b535282fcde403f3cfcf102a82bde3800293b46e96f76eef38a70fafa4f82767fb
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SSDEEP
98304:CsWvBQLWVDJo4LVdzPm6CD//wpbJhvRLw7eVbbt1MGArZQxy:jqB/1VdTm6yIpb/RPVLMGAlQE
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1432-87-0x0000000000A80000-0x0000000000B22000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmpmp3doctorfree32_64.exemp3doctorfree32_64.exepid process 2564 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp 1788 mp3doctorfree32_64.exe 1432 mp3doctorfree32_64.exe -
Loads dropped DLL 1 IoCs
Processes:
45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmppid process 2564 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.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 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:
45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmppid process 2564 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.exe45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmpdescription pid process target process PID 4912 wrote to memory of 2564 4912 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.exe 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp PID 4912 wrote to memory of 2564 4912 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.exe 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp PID 4912 wrote to memory of 2564 4912 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.exe 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp PID 2564 wrote to memory of 1788 2564 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp mp3doctorfree32_64.exe PID 2564 wrote to memory of 1788 2564 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp mp3doctorfree32_64.exe PID 2564 wrote to memory of 1788 2564 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp mp3doctorfree32_64.exe PID 2564 wrote to memory of 1432 2564 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp mp3doctorfree32_64.exe PID 2564 wrote to memory of 1432 2564 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp mp3doctorfree32_64.exe PID 2564 wrote to memory of 1432 2564 45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp mp3doctorfree32_64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.exe"C:\Users\Admin\AppData\Local\Temp\45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-U8MH6.tmp\45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp"C:\Users\Admin\AppData\Local\Temp\is-U8MH6.tmp\45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmp" /SL5="$8014C,5095021,54272,C:\Users\Admin\AppData\Local\Temp\45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.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 2020\mp3doctorfree32_64.exe"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.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 2020\mp3doctorfree32_64.exeFilesize
3.7MB
MD5458d3a2bd797a7c8adfbb4c6fe996897
SHA12efad8588a58386fb8955329f3abfd07a62e4b59
SHA2567c3e9a5db05110c04a0e964018062effa1e37c0d64b76cff3b0287fd1f90b2e0
SHA51257fccadc4ba9ea8cbb8f3f82d78f3e3677e2aeb4aaa0a6ceeb9dd50432e6f8cd35026d83a13be5a4aa115c3cef2333d4c61bb9eb961b9211fcc2d4b7ebb7a1ac
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C:\Users\Admin\AppData\Local\Temp\is-Q1IO6.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-U8MH6.tmp\45ca9c230cd679afa31065809e8a688a01d49aaa649364df206fb354243707c5.tmpFilesize
680KB
MD56f995e2d6c8d0d1d03cb3afcd1deafaf
SHA10319dbd8c7b44067b82fed5272059757a526b3aa
SHA256cc4530fee96cf6e821fa1dbed0c46ac5310c57d6336999e3f93d29f78376f9eb
SHA512207b4d327be81e71152ce35cb272362e9862e6002a6c01e9e9df37578c3764ac1c8d19b19e8e3b751162724490f06fea10611d7becabaff3863af993a90db16d
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memory/1432-90-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-75-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-117-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-114-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-110-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-107-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-104-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-67-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-68-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-101-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-98-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-71-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-74-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-95-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-78-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-81-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-84-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1432-87-0x0000000000A80000-0x0000000000B22000-memory.dmpFilesize
648KB
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memory/1788-60-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1788-64-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1788-63-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/1788-59-0x0000000000400000-0x00000000007C3000-memory.dmpFilesize
3.8MB
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memory/2564-10-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2564-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4912-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4912-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4912-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB