Analysis
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max time kernel
292s -
max time network
299s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
30-05-2024 22:58
Static task
static1
Behavioral task
behavioral1
Sample
5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.exe
Resource
win10-20240404-en
General
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Target
5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.exe
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Size
4.7MB
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MD5
738ea807e6b87a7aea13eaf6d1dee44b
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SHA1
b318f488dcfa4b2d3c2db7f11cd1a85c0f9112ba
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SHA256
5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8
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SHA512
8b1bb1db26aa6efd67822b9698456b10f663d394d3021d47d9ce316c3d8f98a7154dc6e6effada252c15703330408e59377c0a21a8af6f624c4f55424fe64f2f
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SSDEEP
98304:mKS0Tb3jWO6bNN8BUdE3SZzP/YqPzYdn6i1YHSprqvbrKJOxuaH:1+xN8BTCZjgEi1YHSpSrKCuaH
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4716-82-0x0000000000940000-0x00000000009E2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmpstereotool.exestereotool.exepid process 4644 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp 4236 stereotool.exe 4716 stereotool.exe -
Loads dropped DLL 1 IoCs
Processes:
5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmppid process 4644 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp -
Unexpected DNS network traffic destination 2 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 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:
5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmppid process 4644 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.exe5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmpdescription pid process target process PID 4604 wrote to memory of 4644 4604 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.exe 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp PID 4604 wrote to memory of 4644 4604 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.exe 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp PID 4604 wrote to memory of 4644 4604 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.exe 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp PID 4644 wrote to memory of 4236 4644 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp stereotool.exe PID 4644 wrote to memory of 4236 4644 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp stereotool.exe PID 4644 wrote to memory of 4236 4644 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp stereotool.exe PID 4644 wrote to memory of 4716 4644 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp stereotool.exe PID 4644 wrote to memory of 4716 4644 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp stereotool.exe PID 4644 wrote to memory of 4716 4644 5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp stereotool.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.exe"C:\Users\Admin\AppData\Local\Temp\5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4604 -
C:\Users\Admin\AppData\Local\Temp\is-06SVA.tmp\5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp"C:\Users\Admin\AppData\Local\Temp\is-06SVA.tmp\5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp" /SL5="$50236,4630986,54272,C:\Users\Admin\AppData\Local\Temp\5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe" -i3⤵
- Executes dropped EXE
PID:4236
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C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe" -s3⤵
- Executes dropped EXE
PID:4716
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.8MB
MD5f4681aff38c10d355e10943c95b42306
SHA1b0a8a89b6283b3e1a9be9c8fc30bd27bf174725f
SHA2566a56186c14984b80eaa1dfcfc667a8e4dfb9a70faa971500b8e325cc0b7159f1
SHA512899f905d1162d3bb9e673c50c86f718086ff6021f1ef147914d0dc216a56168e016ccd7c3796b514fac56d90fb4ac869ca06bd7e70a4331340df6df561e30fae
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C:\Users\Admin\AppData\Local\Temp\is-06SVA.tmp\5c134cc0224f813004d1a46aa150477a9a652edcf7090e12ca6e6fad0882c1e8.tmp
Filesize680KB
MD540aa2e292ed532def0517646268c58d6
SHA17da9d902e7e0b7c84b5743298095cb7eda24c6f7
SHA2563a1984939897a71d0a012e359bfabda1248c79397e11bfdb69272a6cee3f8be4
SHA5123e806fbea373906e03346f18da99e7e9557434428383ec4bfe8859d4440b667597f7775d381e421255b75c1a982df375ef7bbb79265cdd932c59b3a11464e649
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63