Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
24-06-2024 17:37
Static task
static1
Behavioral task
behavioral1
Sample
cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe
Resource
win11-20240611-en
General
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Target
cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe
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Size
4.8MB
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MD5
dfc41cbfb77df408481362bcedae18b7
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SHA1
fd770ef87d169ce9cd0ebb84393638efd38341e4
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SHA256
cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92
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SHA512
b3e2011f420c571d515d1895ccd91bee934d1d0dcb86c97fe0626be987d17e86a735dba9a0ae3e86c096ac33864701f900862a8e48db0664e21e1dea3eea3cfa
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SSDEEP
98304:mxXSwhXGPiYwjB9gJK8wOPX2WpA4dJjz4OHcg0dAGIgFASjGR:QXXYAvPOOyAkBcOa+ngFYR
Malware Config
Extracted
socks5systemz
aylioqz.ru
http://aylioqz.ru/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff613c5ef929b3c
http://aylioqz.ru/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12eab517aa5c96bd86eb968f4e96148ab2865b77f80ebad9c60f7cb63037ed2ab423a4374383ba915d911ec07bb606a0708727e40ea678c45abbe74ffb0e2807e12571c17f3e83fe16c1e6979f3bca6e91
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/3416-86-0x0000000000A40000-0x0000000000AE2000-memory.dmp family_socks5systemz behavioral1/memory/3416-109-0x0000000000A40000-0x0000000000AE2000-memory.dmp family_socks5systemz behavioral1/memory/3416-110-0x0000000000A40000-0x0000000000AE2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmpwinypux32.exewinypux32.exepid process 3136 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp 3348 winypux32.exe 3416 winypux32.exe -
Loads dropped DLL 1 IoCs
Processes:
cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmppid process 3136 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp -
Unexpected DNS network traffic destination 1 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 -
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:
cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmppid process 3136 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.execc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmpdescription pid process target process PID 4904 wrote to memory of 3136 4904 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp PID 4904 wrote to memory of 3136 4904 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp PID 4904 wrote to memory of 3136 4904 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp PID 3136 wrote to memory of 3348 3136 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp winypux32.exe PID 3136 wrote to memory of 3348 3136 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp winypux32.exe PID 3136 wrote to memory of 3348 3136 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp winypux32.exe PID 3136 wrote to memory of 3416 3136 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp winypux32.exe PID 3136 wrote to memory of 3416 3136 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp winypux32.exe PID 3136 wrote to memory of 3416 3136 cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp winypux32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe"C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp"C:\Users\Admin\AppData\Local\Temp\is-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp" /SL5="$B0054,4740430,54272,C:\Users\Admin\AppData\Local\Temp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3136 -
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
PID:3348
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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:3416
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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-ESUD4.tmp\cc4184ec0c2c4c3b4e27bf21e70e5221c47231a738ef41ce36f2c3be82020b92.tmp
Filesize680KB
MD5968239ff237206125fcefc6e1e18d1a1
SHA108e9029bfbe3fa982382a5a1fdf8a1e024d42e91
SHA256ab87f9cbd0651077023497cdf3fbc62d9bdd85ab96b59a07c4ff1c246422e78b
SHA5123eed5e98a25c63463490c693248408e0976b4973f454fae776d8087ec55a09fa7475056a7620c194f3d02055f06898b0504d12ec00b160f9b433796f55174674
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Filesize
2.8MB
MD5bd12db646f3c62e2f25e9cfcc7d54989
SHA1125734e5b82a9b21d47182698249d6c31608868c
SHA256d1090936174a284b1ffc7bef1a8c14fe382948926586182154743dcfd90255c6
SHA51236e7a084e33d8e026827533467dc68e94d441fa559fa02105b9264d3aeca6032ea5058e10996db9384bc3599e11498452b1855525cdbb83bbe833141adfa3c2d