Analysis
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max time kernel
111s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2024 12:27
Static task
static1
Behavioral task
behavioral1
Sample
a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe
Resource
win10v2004-20241007-en
General
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Target
a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe
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Size
3.3MB
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MD5
f654ff54b8482512c820cdc067e3f8d0
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SHA1
919417671bae68fc6e59f14b45861628b395d7fa
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SHA256
a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159f
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SHA512
8196659a77feacf82e66dc58dc32439c27e703a0fe3b36233baa23dede3a45c2b3d01e3c51f03bdd80931f064dc9a228a7100367fcd2c59abec0032960bbb621
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SSDEEP
98304:NQRglPsdGTMjPpnX2BG5Rnhkmn7LOkyory1ukf:9UdGwLXkmByS6uE
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral2/memory/1612-73-0x00000000009B0000-0x0000000000A52000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Socks5systemz family
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Executes dropped EXE 2 IoCs
pid Process 2260 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp 1612 codermedia32.exe -
Loads dropped DLL 2 IoCs
pid Process 2260 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp 1612 codermedia32.exe -
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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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language codermedia32.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2260 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp 2260 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2260 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2380 wrote to memory of 2260 2380 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe 83 PID 2380 wrote to memory of 2260 2380 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe 83 PID 2380 wrote to memory of 2260 2380 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe 83 PID 2260 wrote to memory of 3372 2260 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp 84 PID 2260 wrote to memory of 3372 2260 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp 84 PID 2260 wrote to memory of 3372 2260 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp 84 PID 2260 wrote to memory of 1612 2260 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp 86 PID 2260 wrote to memory of 1612 2260 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp 86 PID 2260 wrote to memory of 1612 2260 a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp 86 PID 3372 wrote to memory of 2300 3372 net.exe 87 PID 3372 wrote to memory of 2300 3372 net.exe 87 PID 3372 wrote to memory of 2300 3372 net.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe"C:\Users\Admin\AppData\Local\Temp\a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\is-4D1RH.tmp\a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp"C:\Users\Admin\AppData\Local\Temp\is-4D1RH.tmp\a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp" /SL5="$80054,3249744,54272,C:\Users\Admin\AppData\Local\Temp\a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2260 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" pause coder_media_112843⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3372 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 pause coder_media_112844⤵
- System Location Discovery: System Language Discovery
PID:2300
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C:\Users\Admin\AppData\Local\Coder Media 1.7.49\codermedia32.exe"C:\Users\Admin\AppData\Local\Coder Media 1.7.49\codermedia32.exe" -i3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1612
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.9MB
MD55e389303895f562c302cb32b9fb49057
SHA149fffdd148cfa89381ffd450e47ccae1987e5086
SHA256607608f3167a8862859a2a00dcf26dd7ecb008e000200a419e13417cb87eecab
SHA5121cfa87b00dab4d0c00d983b66e6e772b001224683762cff930786581ac803133710593ec3acc2d075f2208f6d178b537892502638b769ae42393e228d3a14613
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Filesize
630KB
MD5e477a96c8f2b18d6b5c27bde49c990bf
SHA1e980c9bf41330d1e5bd04556db4646a0210f7409
SHA25616574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660
SHA512335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c
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C:\Users\Admin\AppData\Local\Temp\is-4D1RH.tmp\a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp
Filesize687KB
MD529233660a778178f3824cbf6d4c6f821
SHA1c468591aca67e58cce9dd0949434dafbe36c70d4
SHA25651f6f6eba9c296266fb85c9186fd2f89e22f1793f7d60f08086967b0c59ee910
SHA51226f2f6c570c56ca6259ceea8202b3b76fa85e2e689d0a9fbf244bb4b77d86d3665359d2ffb2a01ce840ad3dc6c0f213fdfd182bfe1923221d7d66b4b2fe7fc86
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63