Analysis
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max time kernel
147s -
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 01:08
Static task
static1
Behavioral task
behavioral1
Sample
4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.exe
Resource
win11-20240508-en
General
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Target
4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.exe
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Size
4.9MB
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MD5
3ac2f5bab22f2fe2e738fd4b2c5714fe
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SHA1
772573778f0e6278013d7bd7b2835ea6f77d6211
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SHA256
4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190
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SHA512
9bf53430f2143cf2e0785841bb04e70f39f420623af42112d1f0fe715fa90d6a35fdffd3a6c3dcc07a63014f2133371588658a70a7420f021f22892d21690c12
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SSDEEP
98304:mNlkU2B4RMQ39hkxvmJhZ+SJW3wPt0dAlqOaA1JK5uDMume:fZMtVY33Y2deu91e
Malware Config
Extracted
socks5systemz
bhzcomo.com
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/336-86-0x00000000009F0000-0x0000000000A92000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmpwinypux32.exewinypux32.exepid process 4592 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp 1052 winypux32.exe 336 winypux32.exe -
Loads dropped DLL 1 IoCs
Processes:
4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmppid process 4592 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.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 91.211.247.248 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:
4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmppid process 4592 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.exe4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmpdescription pid process target process PID 3264 wrote to memory of 4592 3264 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.exe 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp PID 3264 wrote to memory of 4592 3264 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.exe 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp PID 3264 wrote to memory of 4592 3264 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.exe 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp PID 4592 wrote to memory of 1052 4592 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp winypux32.exe PID 4592 wrote to memory of 1052 4592 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp winypux32.exe PID 4592 wrote to memory of 1052 4592 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp winypux32.exe PID 4592 wrote to memory of 336 4592 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp winypux32.exe PID 4592 wrote to memory of 336 4592 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp winypux32.exe PID 4592 wrote to memory of 336 4592 4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp winypux32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.exe"C:\Users\Admin\AppData\Local\Temp\4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Users\Admin\AppData\Local\Temp\is-R0URT.tmp\4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp"C:\Users\Admin\AppData\Local\Temp\is-R0URT.tmp\4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp" /SL5="$501EC,4931557,54272,C:\Users\Admin\AppData\Local\Temp\4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4592 -
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
PID:1052
-
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C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s3⤵
- Executes dropped EXE
PID:336
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-R0URT.tmp\4af12d790d40f7c7cf55ef19da344147abab66ff16dcdb8fb24e0d577317f190.tmp
Filesize680KB
MD5c21e34336a7bd754b707115a82c1de90
SHA17ddee1b6647213e4379f34032981de74848c1c8c
SHA256eb22af283ec53600b6138441900f0e28afeaf57d5ebe3cef7948a74f657660d1
SHA5124c197f6ddb22ddac8271c63221ca443c65eb325a50c908c892c84b743041aa94a9c43c2991dfc82a2caa1e419ffea4e120dadd6386be324169fc470c8f52ba04
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Filesize
3.0MB
MD51d0923d32c61776df2c362d70a79c8f9
SHA1027602bf74fdf47b4a672fb2d4f3d37e10ee31d5
SHA256b3868502f32392cddabce456346d7f2391bb9f58a2d38f4730d71746d644c4a6
SHA512efd5804edeb39665aaeb825d1dc2701ce70419a812964806dd0e7d69b47face1a7e5906be818df0ff406f740bce9f7cc34e77e62122535d0b6eadbad17fd719b