Analysis Overview
SHA256
09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf
Threat Level: Known bad
The file 09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Unexpected DNS network traffic destination
Executes dropped EXE
Loads dropped DLL
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
2024-08-02 20:17
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-02 20:17
Reported
2024-08-02 20:20
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| 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-EVQGJ.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-EVQGJ.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp | N/A |
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\Temp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-EVQGJ.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-EVQGJ.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-EVQGJ.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-EVQGJ.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.exe
"C:\Users\Admin\AppData\Local\Temp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.exe"
C:\Users\Admin\AppData\Local\Temp\is-EVQGJ.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp
"C:\Users\Admin\AppData\Local\Temp\is-EVQGJ.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp" /SL5="$60280,3740494,54272,C:\Users\Admin\AppData\Local\Temp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.exe"
C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe
"C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe" -i
C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe
"C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| HK | 141.98.234.31:53 | bwlyeqx.com | udp |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| CH | 185.196.8.214:80 | bwlyeqx.com | tcp |
| US | 8.8.8.8:53 | 214.8.196.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2596-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2596-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-EVQGJ.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp
| MD5 | 849bb5c3439284a175f581ec281ca92e |
| SHA1 | 8bd0737eac1a74de4d62d66911ca7ed9f61cbc0f |
| SHA256 | 33a8f60e50240aecdbedc45922032025376ecccc0c1acbd44c82f12985e82206 |
| SHA512 | ac7bd629b6ed2595c6af4ef0737d7d801c8c35ebb4638ec2c19569511157a1543a6fa91d1a15708810865ece1cfb27367480754a7debf716d322d1eb59c5f625 |
memory/3240-13-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-RQV3R.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe
| MD5 | 1b6fc0635012a62a6e4f6516779adbc6 |
| SHA1 | 918ea639a97f8f7550e6c6194db32349b5de7e47 |
| SHA256 | 9694c12c072960399bb3ec9162f37398710aeda03e169972d6cd5166ecb71149 |
| SHA512 | 7c65d5133c6b5778014b10d8c3184f3c3331e9a358d66d4dd52b18b4f50ee81cdd1e27623c933ffb1ef636f02aa197b6cee3625e89727b5fb5150bdd4f8fbd86 |
memory/208-52-0x0000000000400000-0x000000000087C000-memory.dmp
memory/208-53-0x0000000000400000-0x000000000087C000-memory.dmp
memory/208-55-0x0000000000400000-0x000000000087C000-memory.dmp
memory/208-57-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-60-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2596-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3240-62-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1832-63-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-66-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-69-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-72-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-75-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-78-0x00000000026E0000-0x0000000002782000-memory.dmp
memory/1832-80-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-85-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-88-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-91-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-94-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-97-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-100-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-104-0x0000000000400000-0x000000000087C000-memory.dmp
memory/1832-107-0x0000000000400000-0x000000000087C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-02 20:17
Reported
2024-08-02 20:20
Platform
win11-20240802-en
Max time kernel
142s
Max time network
142s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| 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-FNE8P.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FNE8P.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp | N/A |
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\Temp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-FNE8P.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FNE8P.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FNE8P.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FNE8P.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.exe
"C:\Users\Admin\AppData\Local\Temp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.exe"
C:\Users\Admin\AppData\Local\Temp\is-FNE8P.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp
"C:\Users\Admin\AppData\Local\Temp\is-FNE8P.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp" /SL5="$802D0,3740494,54272,C:\Users\Admin\AppData\Local\Temp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.exe"
C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe
"C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe" -i
C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe
"C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 20.189.173.2:443 | tcp | |
| HK | 141.98.234.31:53 | erizwqi.ua | udp |
| CH | 185.196.8.214:80 | erizwqi.ua | tcp |
Files
memory/4820-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4820-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-FNE8P.tmp\09898f95032e451238e4936a95cc2b8797418478e558dd4bae1da566ba751bcf.tmp
| MD5 | 849bb5c3439284a175f581ec281ca92e |
| SHA1 | 8bd0737eac1a74de4d62d66911ca7ed9f61cbc0f |
| SHA256 | 33a8f60e50240aecdbedc45922032025376ecccc0c1acbd44c82f12985e82206 |
| SHA512 | ac7bd629b6ed2595c6af4ef0737d7d801c8c35ebb4638ec2c19569511157a1543a6fa91d1a15708810865ece1cfb27367480754a7debf716d322d1eb59c5f625 |
memory/4736-7-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-CC6FV.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\AC3Filter\ac3filter32_64.exe
| MD5 | 1b6fc0635012a62a6e4f6516779adbc6 |
| SHA1 | 918ea639a97f8f7550e6c6194db32349b5de7e47 |
| SHA256 | 9694c12c072960399bb3ec9162f37398710aeda03e169972d6cd5166ecb71149 |
| SHA512 | 7c65d5133c6b5778014b10d8c3184f3c3331e9a358d66d4dd52b18b4f50ee81cdd1e27623c933ffb1ef636f02aa197b6cee3625e89727b5fb5150bdd4f8fbd86 |
memory/2020-53-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2020-52-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2020-55-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2020-56-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-58-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-60-0x0000000000400000-0x000000000087C000-memory.dmp
memory/4820-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4736-62-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2288-63-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-66-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-67-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-70-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-73-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-76-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-79-0x0000000000BA0000-0x0000000000C42000-memory.dmp
memory/2288-81-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-87-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-90-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-93-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-96-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-99-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-102-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-106-0x0000000000400000-0x000000000087C000-memory.dmp
memory/2288-109-0x0000000000400000-0x000000000087C000-memory.dmp