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
25-06-2024 09:24
Static task
static1
Behavioral task
behavioral1
Sample
7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe
Resource
win11-20240508-en
General
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Target
7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe
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Size
4.8MB
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MD5
f8e0a3695a52db56a66242307f12707e
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SHA1
df1f24f3ec9aa9288fe600101bbcc575a3bfdf3f
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SHA256
7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4
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SHA512
7c3956011eb8387ebb485874231e19aa060e7d012eff8aaf7aea9cd120ce29100781652e00588fd9005ef00beed1e4f9ff6cdbf442f7dda4099daa3c2ace6b81
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SSDEEP
98304:mrPr+DRIz072RIpF4giuh9gIEPXHF+15OZQhXgm2euGHGihfKaHvdQgu:9DRIzVRIpdh9gBY15OZigm2eBdfKaHeF
Malware Config
Extracted
socks5systemz
bwocjzk.com
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2304-85-0x0000000000990000-0x0000000000A32000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmpmp3ripfreeedition.exemp3ripfreeedition.exepid process 3532 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp 4200 mp3ripfreeedition.exe 2304 mp3ripfreeedition.exe -
Loads dropped DLL 1 IoCs
Processes:
7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmppid process 3532 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.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 45.155.250.90 -
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:
7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmppid process 3532 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmpdescription pid process target process PID 3156 wrote to memory of 3532 3156 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp PID 3156 wrote to memory of 3532 3156 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp PID 3156 wrote to memory of 3532 3156 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp PID 3532 wrote to memory of 4200 3532 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp mp3ripfreeedition.exe PID 3532 wrote to memory of 4200 3532 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp mp3ripfreeedition.exe PID 3532 wrote to memory of 4200 3532 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp mp3ripfreeedition.exe PID 3532 wrote to memory of 2304 3532 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp mp3ripfreeedition.exe PID 3532 wrote to memory of 2304 3532 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp mp3ripfreeedition.exe PID 3532 wrote to memory of 2304 3532 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp mp3ripfreeedition.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe"C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3156 -
C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp"C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp" /SL5="$601C8,4739211,54272,C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -i3⤵
- Executes dropped EXE
PID:4200
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C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -s3⤵
- Executes dropped EXE
PID:2304
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.7MB
MD54fb5a7b123687a368357bec69beebbe2
SHA177d64b30268691d0d05a7265990f0c08eca16dd5
SHA25674568df53314358994b5b8460e0c347e9c594b14e92f854d4442e83235f0f90c
SHA512a745e22dce51798da2cae4a15a32e75d107ddb93b91e446fc383156c22a03105c165f64ac8d81e4b920f437b1a6fddec796c877493b045582f546ab1832b0797
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp
Filesize680KB
MD51e597ae2b625c5a6128b71f9ab8b27f9
SHA169cd3ce903259678c63009828be907b00e6a8042
SHA256a0f4c4c7591a62eab9abe74e58934a687fb1dc38b69f4ed49fde30505e647120
SHA51206fcbffe87ceb4e041988a3ea752d9cff323c5bcd2c62649c3cd19b25ef80d936cd92dff403fbed2f896fe9a30bbe5cba47a12116ac1089a454a9bc3c311bc9d