Analysis Overview
SHA256
194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195
Threat Level: Known bad
The file 194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195 was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Executes dropped EXE
Loads dropped DLL
Unexpected DNS network traffic destination
Checks installed software on the system
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-10 21:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-10 21:30
Reported
2024-08-10 21:33
Platform
win10v2004-20240802-en
Max time kernel
143s
Max time network
127s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-K3I5L.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
Loads dropped DLL
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 91.211.247.248 | N/A | N/A |
Checks installed software on the system
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-K3I5L.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-K3I5L.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-K3I5L.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-K3I5L.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.exe
"C:\Users\Admin\AppData\Local\Temp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.exe"
C:\Users\Admin\AppData\Local\Temp\is-K3I5L.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp
"C:\Users\Admin\AppData\Local\Temp\is-K3I5L.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp" /SL5="$701D8,4397069,54272,C:\Users\Admin\AppData\Local\Temp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.exe"
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -i
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| LT | 91.211.247.248:53 | budubuz.com | udp |
| CH | 185.196.8.214:80 | budubuz.com | tcp |
| NL | 89.105.201.183:2023 | tcp | |
| US | 8.8.8.8:53 | 248.247.211.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 214.8.196.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.201.105.89.in-addr.arpa | udp |
Files
memory/3668-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3668-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-K3I5L.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp
| MD5 | 85fc5b8836d8625fbfa40a092386e645 |
| SHA1 | a90bb83f5d8d024bb357a44682267a50406071d6 |
| SHA256 | 6dda4c9c34d1898b592ebeccee9f4b2a2bffefd68296da6310435e13fb63d950 |
| SHA512 | c50e53c2c695c7ba24b4cc2c2f958e1e9ce4eea9b541684ea41c7cae513919bb80171dcaaf1c18a8f37221737e6a1f8ba0881a224abd3dd09407d0c4edb96aae |
memory/3836-12-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-V2MGE.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\Temp\is-V2MGE.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
| MD5 | 292e2bea8bd4f1c3a70314505561d3e0 |
| SHA1 | 52b8e4151c1864581134535ad4b65eba05d381b8 |
| SHA256 | 97b8a7ce5d45c6f9aee23b740d73289f9d454276097946b9edebe1e81ad8688b |
| SHA512 | a04785ad6819e48b0327c3d3c437d6723afe2b0f84da11b6cad6eb77de15c20b746899639b7c87355801147265fc5fa46eb8c71305b8c76388ffc13c602c1638 |
memory/4548-58-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4548-59-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4548-62-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-64-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3668-66-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3836-67-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3708-68-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-71-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-74-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-77-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-80-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-83-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/3708-87-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-90-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-93-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-96-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-99-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-102-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-105-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-107-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/3708-106-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/3708-111-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3708-114-0x0000000000400000-0x0000000000813000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-10 21:30
Reported
2024-08-10 21:33
Platform
win11-20240802-en
Max time kernel
142s
Max time network
146s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-5KTQ1.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
Loads dropped DLL
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 141.98.234.31 | N/A | N/A |
Checks installed software on the system
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-5KTQ1.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-5KTQ1.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-5KTQ1.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-5KTQ1.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.exe
"C:\Users\Admin\AppData\Local\Temp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.exe"
C:\Users\Admin\AppData\Local\Temp\is-5KTQ1.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp
"C:\Users\Admin\AppData\Local\Temp\is-5KTQ1.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp" /SL5="$700FA,4397069,54272,C:\Users\Admin\AppData\Local\Temp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.exe"
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -i
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| HK | 141.98.234.31:53 | bdvtpca.com | udp |
| CH | 185.196.8.214:80 | bdvtpca.com | tcp |
| NL | 45.156.23.96:2023 | tcp | |
| US | 8.8.8.8:53 | 96.23.156.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 214.8.196.185.in-addr.arpa | udp |
Files
memory/3572-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3572-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-5KTQ1.tmp\194cddc81383f5a6cdd2a1ea63cc77d58b276380371caa43dc2f6b5db805c195.tmp
| MD5 | 85fc5b8836d8625fbfa40a092386e645 |
| SHA1 | a90bb83f5d8d024bb357a44682267a50406071d6 |
| SHA256 | 6dda4c9c34d1898b592ebeccee9f4b2a2bffefd68296da6310435e13fb63d950 |
| SHA512 | c50e53c2c695c7ba24b4cc2c2f958e1e9ce4eea9b541684ea41c7cae513919bb80171dcaaf1c18a8f37221737e6a1f8ba0881a224abd3dd09407d0c4edb96aae |
C:\Users\Admin\AppData\Local\Temp\is-U6QG8.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
memory/2364-19-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-U6QG8.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
| MD5 | 292e2bea8bd4f1c3a70314505561d3e0 |
| SHA1 | 52b8e4151c1864581134535ad4b65eba05d381b8 |
| SHA256 | 97b8a7ce5d45c6f9aee23b740d73289f9d454276097946b9edebe1e81ad8688b |
| SHA512 | a04785ad6819e48b0327c3d3c437d6723afe2b0f84da11b6cad6eb77de15c20b746899639b7c87355801147265fc5fa46eb8c71305b8c76388ffc13c602c1638 |
memory/424-58-0x0000000000400000-0x0000000000813000-memory.dmp
memory/424-59-0x0000000000400000-0x0000000000813000-memory.dmp
memory/424-62-0x0000000000400000-0x0000000000813000-memory.dmp
memory/424-61-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-65-0x0000000000400000-0x0000000000813000-memory.dmp
memory/3572-66-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2364-67-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4616-68-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-71-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-74-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-77-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-80-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-83-0x00000000029F0000-0x0000000002A92000-memory.dmp
memory/4616-86-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-91-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-94-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-97-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-100-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-103-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-106-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-107-0x00000000029F0000-0x0000000002A92000-memory.dmp
memory/4616-108-0x00000000029F0000-0x0000000002A92000-memory.dmp
memory/4616-112-0x0000000000400000-0x0000000000813000-memory.dmp
memory/4616-115-0x0000000000400000-0x0000000000813000-memory.dmp