Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 01:33
Static task
static1
Behavioral task
behavioral1
Sample
84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe
Resource
win10v2004-20240508-en
General
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Target
84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe
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Size
4.6MB
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MD5
1afd6b7ef105ad5b4274413058f7a111
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SHA1
e590138faf2e66f7f46583c51ffb62c264732009
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SHA256
84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee
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SHA512
317f191dba9bba90b140ae276ff5119965cf88a0ae03ca58bfab725c7a2d4718d5701f7088fb75a1020f06172bb8d1e66a6dd31a2f02b6e5306462b6b8f13c79
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SSDEEP
98304:m1S8ncpYaAureoRPCs1jpnyWkTpHrykyrRfUlsDzx3dig:iNncpYurens1Fy7TpHrPWslcF
Malware Config
Extracted
socks5systemz
butknlr.com
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2472-88-0x00000000009B0000-0x0000000000A52000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Detects executables packed with VMProtect. 19 IoCs
Processes:
resource yara_rule behavioral2/memory/1036-62-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1036-60-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1036-65-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-69-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-72-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-75-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-76-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-79-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-82-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-85-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-90-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-96-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-99-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-102-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-105-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-108-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-111-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-114-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2472-117-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
Processes:
84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmplinuxmultiMediastudio.exelinuxmultiMediastudio.exepid process 1328 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp 1036 linuxmultiMediastudio.exe 2472 linuxmultiMediastudio.exe -
Loads dropped DLL 1 IoCs
Processes:
84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmppid process 1328 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.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 141.98.234.31 Destination IP 152.89.198.214 Destination IP 91.211.247.248 -
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:
84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmppid process 1328 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmpdescription pid process target process PID 2644 wrote to memory of 1328 2644 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp PID 2644 wrote to memory of 1328 2644 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp PID 2644 wrote to memory of 1328 2644 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp PID 1328 wrote to memory of 1036 1328 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe PID 1328 wrote to memory of 1036 1328 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe PID 1328 wrote to memory of 1036 1328 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe PID 1328 wrote to memory of 2472 1328 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe PID 1328 wrote to memory of 2472 1328 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe PID 1328 wrote to memory of 2472 1328 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe"C:\Users\Admin\AppData\Local\Temp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Users\Admin\AppData\Local\Temp\is-BB3H1.tmp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp"C:\Users\Admin\AppData\Local\Temp\is-BB3H1.tmp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp" /SL5="$F006A,4563641,54272,C:\Users\Admin\AppData\Local\Temp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -i3⤵
- Executes dropped EXE
PID:1036 -
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -s3⤵
- Executes dropped EXE
PID:2472
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exeFilesize
2.9MB
MD580450955e0934950616a82898d7ef316
SHA17ec266e16d750dadbb87f0abb3deddd874510c99
SHA256c9f86a307e69eb02fc680f39c6964d9737db9c2a5cbaab67a80e3fa125ee9d40
SHA51262493eb4f29c31f7df5d320256684f045b4bcde122a0d3597adf1bbd1858a3781a26052dcba75f431cb5bf018e00c5f64e9a1f6bd64edd3cbf70d62a238bdfc2
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C:\Users\Admin\AppData\Local\Temp\is-73VO1.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-BB3H1.tmp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmpFilesize
680KB
MD52181b997c1c7c4258f8061389766b42a
SHA11ffb522e8e9414018835c7049d78a250db5caa3c
SHA2568300af7e7e4c4e3771c161f2a609e8d0a4ae0de3e49fd398a24a1decdf6b4941
SHA5125bc3600307031e2acee1c18dcf1c4f2d76d406a2da0e12524722f136f9afc029e9a082fce08dddf63c96de20a907e18ea022fb5855804b767c190293724ff23b
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memory/1036-65-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/1036-59-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/1036-62-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/1036-60-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/1328-71-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1328-13-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2472-72-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-88-0x00000000009B0000-0x0000000000A52000-memory.dmpFilesize
648KB
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memory/2472-69-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-117-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-114-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-111-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-75-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-76-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-79-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-82-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-85-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-68-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-90-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-96-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-99-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-102-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-105-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2472-108-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2644-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2644-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/2644-70-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB