Analysis Overview
SHA256
21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4
Threat Level: Known bad
The file 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4 was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Executes dropped EXE
Unexpected DNS network traffic destination
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
2024-08-11 15:06
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-11 15:06
Reported
2024-08-11 15:09
Platform
win10v2004-20240802-en
Max time kernel
143s
Max time network
125s
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-2DA3O.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.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\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-2DA3O.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-2DA3O.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-2DA3O.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-2DA3O.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe
"C:\Users\Admin\AppData\Local\Temp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe"
C:\Users\Admin\AppData\Local\Temp\is-2DA3O.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp
"C:\Users\Admin\AppData\Local\Temp\is-2DA3O.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp" /SL5="$6029A,3818024,54272,C:\Users\Admin\AppData\Local\Temp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe"
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -i
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.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 |
| HK | 141.98.234.31:53 | beeutfr.com | udp |
| CH | 185.196.8.214:80 | beeutfr.com | 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 |
Files
memory/2792-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2792-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-2DA3O.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp
| MD5 | 4a034cc8809b92775041cc5a46c52ab0 |
| SHA1 | 3f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d |
| SHA256 | 4dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60 |
| SHA512 | e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6 |
memory/3924-10-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-ECIMP.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Temp\is-ECIMP.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
| MD5 | ea12c72d0940f899d9655e6ed4cbf14c |
| SHA1 | a434548c05f6ba1d76a08110987b83c7bb371b51 |
| SHA256 | 0600517fbc19bf34ecbd8c5787cc2a7b30174558631d8dccf44e8980d90fc195 |
| SHA512 | 79afb257e71159f662de459de8a46bfba2ee9aa7b19ba3a0b726ffeac612201a3318cb5df5b9d60842fb2f7a0a868caf09754e0d3a5ea7693e62b7e0fd584a54 |
memory/4836-58-0x0000000000400000-0x0000000000717000-memory.dmp
memory/4836-59-0x0000000000400000-0x0000000000717000-memory.dmp
memory/4836-61-0x0000000000400000-0x0000000000717000-memory.dmp
memory/4836-63-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-66-0x0000000000400000-0x0000000000717000-memory.dmp
memory/2792-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3924-68-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5048-69-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-72-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-75-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-78-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-81-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-84-0x0000000002540000-0x00000000025E2000-memory.dmp
memory/5048-88-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-91-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-94-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-97-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-100-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-103-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-106-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-110-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5048-113-0x0000000000400000-0x0000000000717000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-11 15:06
Reported
2024-08-11 15:09
Platform
win7-20240705-en
Max time kernel
149s
Max time network
140s
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-3K140.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.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\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-3K140.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-3K140.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-3K140.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-3K140.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe
"C:\Users\Admin\AppData\Local\Temp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe"
C:\Users\Admin\AppData\Local\Temp\is-3K140.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp
"C:\Users\Admin\AppData\Local\Temp\is-3K140.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp" /SL5="$4010A,3818024,54272,C:\Users\Admin\AppData\Local\Temp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe"
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -i
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -s
Network
| Country | Destination | Domain | Proto |
| RU | 152.89.198.214:53 | buuqyhi.com | udp |
| CH | 185.196.8.214:80 | buuqyhi.com | tcp |
| NL | 89.105.201.183:2023 | tcp |
Files
memory/2416-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2416-0-0x0000000000400000-0x0000000000414000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-3K140.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp
| MD5 | 4a034cc8809b92775041cc5a46c52ab0 |
| SHA1 | 3f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d |
| SHA256 | 4dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60 |
| SHA512 | e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6 |
memory/2304-16-0x0000000000400000-0x00000000004BD000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-C1RU4.tmp\_isetup\_shfoldr.dll
| MD5 | 92dc6ef532fbb4a5c3201469a5b5eb63 |
| SHA1 | 3e89ff837147c16b4e41c30d6c796374e0b8e62c |
| SHA256 | 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87 |
| SHA512 | 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3 |
\Users\Admin\AppData\Local\Temp\is-C1RU4.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
\Users\Admin\AppData\Local\Temp\is-C1RU4.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
| MD5 | ea12c72d0940f899d9655e6ed4cbf14c |
| SHA1 | a434548c05f6ba1d76a08110987b83c7bb371b51 |
| SHA256 | 0600517fbc19bf34ecbd8c5787cc2a7b30174558631d8dccf44e8980d90fc195 |
| SHA512 | 79afb257e71159f662de459de8a46bfba2ee9aa7b19ba3a0b726ffeac612201a3318cb5df5b9d60842fb2f7a0a868caf09754e0d3a5ea7693e62b7e0fd584a54 |
memory/2304-58-0x0000000004700000-0x0000000004A17000-memory.dmp
memory/2204-60-0x0000000000400000-0x0000000000717000-memory.dmp
memory/2204-61-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1592-68-0x0000000000400000-0x0000000000717000-memory.dmp
memory/2204-65-0x0000000000400000-0x0000000000717000-memory.dmp
memory/2416-70-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2304-71-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1592-74-0x0000000000400000-0x0000000000717000-memory.dmp
memory/2304-75-0x0000000004700000-0x0000000004A17000-memory.dmp
memory/1592-76-0x0000000000400000-0x0000000000717000-memory.dmp
memory/2304-79-0x0000000004700000-0x0000000004A17000-memory.dmp
memory/1592-80-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1592-85-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1592-88-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1592-89-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1592-90-0x0000000002610000-0x00000000026B2000-memory.dmp
memory/1592-96-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1592-101-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1592-104-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1592-105-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1592-108-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1592-113-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1592-114-0x0000000002610000-0x00000000026B2000-memory.dmp
memory/1592-115-0x0000000002610000-0x00000000026B2000-memory.dmp
memory/1592-117-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1592-120-0x0000000000400000-0x0000000000717000-memory.dmp