Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
15-06-2024 01:08
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
bmriqzq.com
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2524-91-0x00000000025E0000-0x0000000002682000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmplinuxmultiMediastudio.exelinuxmultiMediastudio.exepid process 1964 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp 2760 linuxmultiMediastudio.exe 2524 linuxmultiMediastudio.exe -
Loads dropped DLL 5 IoCs
Processes:
84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmppid process 2416 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe 1964 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp 1964 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp 1964 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp 1964 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 45.155.250.90 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 1964 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmpdescription pid process target process PID 2416 wrote to memory of 1964 2416 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp PID 2416 wrote to memory of 1964 2416 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp PID 2416 wrote to memory of 1964 2416 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp PID 2416 wrote to memory of 1964 2416 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp PID 2416 wrote to memory of 1964 2416 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp PID 2416 wrote to memory of 1964 2416 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp PID 2416 wrote to memory of 1964 2416 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp PID 1964 wrote to memory of 2760 1964 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe PID 1964 wrote to memory of 2760 1964 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe PID 1964 wrote to memory of 2760 1964 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe PID 1964 wrote to memory of 2760 1964 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe PID 1964 wrote to memory of 2524 1964 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe PID 1964 wrote to memory of 2524 1964 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe PID 1964 wrote to memory of 2524 1964 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp linuxmultiMediastudio.exe PID 1964 wrote to memory of 2524 1964 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⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-F88MU.tmp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp"C:\Users\Admin\AppData\Local\Temp\is-F88MU.tmp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp" /SL5="$40112,4563641,54272,C:\Users\Admin\AppData\Local\Temp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -s3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exeFilesize
2.9MB
MD580450955e0934950616a82898d7ef316
SHA17ec266e16d750dadbb87f0abb3deddd874510c99
SHA256c9f86a307e69eb02fc680f39c6964d9737db9c2a5cbaab67a80e3fa125ee9d40
SHA51262493eb4f29c31f7df5d320256684f045b4bcde122a0d3597adf1bbd1858a3781a26052dcba75f431cb5bf018e00c5f64e9a1f6bd64edd3cbf70d62a238bdfc2
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\Users\Admin\AppData\Local\Temp\is-F88MU.tmp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmpFilesize
680KB
MD52181b997c1c7c4258f8061389766b42a
SHA11ffb522e8e9414018835c7049d78a250db5caa3c
SHA2568300af7e7e4c4e3771c161f2a609e8d0a4ae0de3e49fd398a24a1decdf6b4941
SHA5125bc3600307031e2acee1c18dcf1c4f2d76d406a2da0e12524722f136f9afc029e9a082fce08dddf63c96de20a907e18ea022fb5855804b767c190293724ff23b
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\Users\Admin\AppData\Local\Temp\is-KPV0B.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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\Users\Admin\AppData\Local\Temp\is-KPV0B.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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memory/1964-77-0x0000000003370000-0x000000000365A000-memory.dmpFilesize
2.9MB
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memory/1964-63-0x0000000003370000-0x000000000365A000-memory.dmpFilesize
2.9MB
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memory/1964-19-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1964-73-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2416-72-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2416-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2416-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/2524-84-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-91-0x00000000025E0000-0x0000000002682000-memory.dmpFilesize
648KB
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memory/2524-74-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-118-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-78-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-81-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-115-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-87-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-90-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-112-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-97-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-100-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-103-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-106-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2524-109-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2760-69-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2760-65-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/2760-66-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB