Analysis Overview
SHA256
8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e
Threat Level: Known bad
The file 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e was found to be: Known bad.
Malicious Activity Summary
Socks5Systemz
Detect Socks5Systemz Payload
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
2024-08-11 20:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-11 20:45
Reported
2024-08-11 20:48
Platform
win10v2004-20240802-en
Max time kernel
147s
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-LVQSI.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_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\Temp\is-LVQSI.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LVQSI.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LVQSI.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LVQSI.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe
"C:\Users\Admin\AppData\Local\Temp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe"
C:\Users\Admin\AppData\Local\Temp\is-LVQSI.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-LVQSI.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp" /SL5="$601C6,3900869,54272,C:\Users\Admin\AppData\Local\Temp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe"
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | 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 |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| HK | 141.98.234.31:53 | dtvechh.info | udp |
| CH | 185.196.8.214:80 | dtvechh.info | tcp |
| NL | 89.105.201.183:2023 | tcp | |
| US | 8.8.8.8:53 | 214.8.196.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.201.105.89.in-addr.arpa | udp |
Files
memory/4916-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4916-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-LVQSI.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp
| MD5 | 00f15ee57af82fc40ac1ec609d1810a4 |
| SHA1 | 6abfae4f73ade5af54d267c02389daf49abd6a51 |
| SHA256 | 20fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847 |
| SHA512 | f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c |
C:\Users\Admin\AppData\Local\Temp\is-HSVBI.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\Temp\is-HSVBI.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
memory/3576-13-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
| MD5 | 59c30c6ffdfd385dbe9b0f999bcd17a4 |
| SHA1 | 3e87cd61ac869ff1a72f6f1d8d8dcf577d7454dd |
| SHA256 | cd0ebd138ff66b54fd739b724d51a32727f69ed6f75730138e028516fb325f35 |
| SHA512 | 34c3eaba4b1952297263c48b5097527f911551c61cd05c6f215d54a42e0cdd3b1a002723d501d269f56ba3991cf3016c0ae5a6d30d081dab41d195bd6cc4862d |
memory/1004-58-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1004-61-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1004-63-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-66-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1004-59-0x0000000000400000-0x0000000000748000-memory.dmp
memory/4916-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3576-68-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1228-69-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-72-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-75-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-78-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-81-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-84-0x0000000002910000-0x00000000029B2000-memory.dmp
memory/1228-88-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-91-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-94-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-97-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-100-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-103-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-106-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-107-0x0000000002910000-0x00000000029B2000-memory.dmp
memory/1228-108-0x0000000002910000-0x00000000029B2000-memory.dmp
memory/1228-112-0x0000000000400000-0x0000000000748000-memory.dmp
memory/1228-115-0x0000000000400000-0x0000000000748000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-11 20:45
Reported
2024-08-11 20:48
Platform
win11-20240802-en
Max time kernel
141s
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-5GU0E.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe | N/A |
Loads dropped DLL
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 152.89.198.214 | 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\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-5GU0E.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-5GU0E.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-5GU0E.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-5GU0E.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe
"C:\Users\Admin\AppData\Local\Temp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe"
C:\Users\Admin\AppData\Local\Temp\is-5GU0E.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-5GU0E.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp" /SL5="$6013A,3900869,54272,C:\Users\Admin\AppData\Local\Temp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe"
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -s
Network
| Country | Destination | Domain | Proto |
| RU | 152.89.198.214:53 | aahdgry.ru | udp |
| CH | 185.196.8.214:80 | aahdgry.ru | tcp |
| NL | 89.105.201.183:2023 | tcp | |
| US | 8.8.8.8:53 | 214.198.89.152.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/2644-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2644-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-5GU0E.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp
| MD5 | 00f15ee57af82fc40ac1ec609d1810a4 |
| SHA1 | 6abfae4f73ade5af54d267c02389daf49abd6a51 |
| SHA256 | 20fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847 |
| SHA512 | f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c |
memory/4656-19-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-I7QBK.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Temp\is-I7QBK.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
| MD5 | 59c30c6ffdfd385dbe9b0f999bcd17a4 |
| SHA1 | 3e87cd61ac869ff1a72f6f1d8d8dcf577d7454dd |
| SHA256 | cd0ebd138ff66b54fd739b724d51a32727f69ed6f75730138e028516fb325f35 |
| SHA512 | 34c3eaba4b1952297263c48b5097527f911551c61cd05c6f215d54a42e0cdd3b1a002723d501d269f56ba3991cf3016c0ae5a6d30d081dab41d195bd6cc4862d |
memory/712-59-0x0000000000400000-0x0000000000748000-memory.dmp
memory/712-58-0x0000000000400000-0x0000000000748000-memory.dmp
memory/712-62-0x0000000000400000-0x0000000000748000-memory.dmp
memory/712-63-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-66-0x0000000000400000-0x0000000000748000-memory.dmp
memory/2644-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4656-68-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3708-69-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-72-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-73-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-76-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-79-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-82-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-83-0x0000000002540000-0x00000000025E2000-memory.dmp
memory/3708-87-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-92-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-95-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-98-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-101-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-104-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-107-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-108-0x0000000002540000-0x00000000025E2000-memory.dmp
memory/3708-109-0x0000000002540000-0x00000000025E2000-memory.dmp
memory/3708-113-0x0000000000400000-0x0000000000748000-memory.dmp
memory/3708-116-0x0000000000400000-0x0000000000748000-memory.dmp