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
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 WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-11 15:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-11 15:03
Reported
2024-08-11 15:06
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
151s
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-POAI1.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 | 45.155.250.90 | 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-POAI1.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-POAI1.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-POAI1.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-POAI1.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-POAI1.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp
"C:\Users\Admin\AppData\Local\Temp\is-POAI1.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp" /SL5="$50282,3818024,54272,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 | 13.86.106.20.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 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 |
| SE | 45.155.250.90:53 | dizmihz.info | udp |
| CH | 185.196.8.214:80 | dizmihz.info | tcp |
| US | 8.8.8.8:53 | 90.250.155.45.in-addr.arpa | udp |
| NL | 45.156.23.96:2023 | tcp | |
| US | 8.8.8.8:53 | 214.8.196.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.23.156.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
memory/4532-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4532-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-POAI1.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp
| MD5 | 4a034cc8809b92775041cc5a46c52ab0 |
| SHA1 | 3f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d |
| SHA256 | 4dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60 |
| SHA512 | e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6 |
C:\Users\Admin\AppData\Local\Temp\is-5JAT1.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
memory/3440-22-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-5JAT1.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
| MD5 | ea12c72d0940f899d9655e6ed4cbf14c |
| SHA1 | a434548c05f6ba1d76a08110987b83c7bb371b51 |
| SHA256 | 0600517fbc19bf34ecbd8c5787cc2a7b30174558631d8dccf44e8980d90fc195 |
| SHA512 | 79afb257e71159f662de459de8a46bfba2ee9aa7b19ba3a0b726ffeac612201a3318cb5df5b9d60842fb2f7a0a868caf09754e0d3a5ea7693e62b7e0fd584a54 |
memory/116-58-0x0000000000400000-0x0000000000717000-memory.dmp
memory/116-59-0x0000000000400000-0x0000000000717000-memory.dmp
memory/116-63-0x0000000000400000-0x0000000000717000-memory.dmp
memory/116-60-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-66-0x0000000000400000-0x0000000000717000-memory.dmp
memory/4532-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3440-68-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/364-69-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-72-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-75-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-78-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-81-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-84-0x00000000025B0000-0x0000000002652000-memory.dmp
memory/364-88-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-91-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-94-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-97-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-100-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-103-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-106-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-107-0x00000000025B0000-0x0000000002652000-memory.dmp
memory/364-108-0x00000000025B0000-0x0000000002652000-memory.dmp
memory/364-112-0x0000000000400000-0x0000000000717000-memory.dmp
memory/364-115-0x0000000000400000-0x0000000000717000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-11 15:03
Reported
2024-08-11 15:06
Platform
win11-20240802-en
Max time kernel
141s
Max time network
131s
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-813LV.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 | 45.155.250.90 | 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-813LV.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-813LV.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-813LV.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-813LV.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-813LV.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp
"C:\Users\Admin\AppData\Local\Temp\is-813LV.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp" /SL5="$602D6,3818024,54272,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 | 8.8.8.8.in-addr.arpa | udp |
| SE | 45.155.250.90:53 | csxnebe.net | udp |
| CH | 185.196.8.214:80 | csxnebe.net | tcp |
| NL | 45.156.23.96:2023 | tcp |
Files
memory/668-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/668-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-813LV.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp
| MD5 | 4a034cc8809b92775041cc5a46c52ab0 |
| SHA1 | 3f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d |
| SHA256 | 4dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60 |
| SHA512 | e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6 |
memory/2932-10-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-KO016.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\Temp\is-KO016.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
| MD5 | ea12c72d0940f899d9655e6ed4cbf14c |
| SHA1 | a434548c05f6ba1d76a08110987b83c7bb371b51 |
| SHA256 | 0600517fbc19bf34ecbd8c5787cc2a7b30174558631d8dccf44e8980d90fc195 |
| SHA512 | 79afb257e71159f662de459de8a46bfba2ee9aa7b19ba3a0b726ffeac612201a3318cb5df5b9d60842fb2f7a0a868caf09754e0d3a5ea7693e62b7e0fd584a54 |
memory/4356-58-0x0000000000400000-0x0000000000717000-memory.dmp
memory/4356-59-0x0000000000400000-0x0000000000717000-memory.dmp
memory/4356-63-0x0000000000400000-0x0000000000717000-memory.dmp
memory/4356-61-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-65-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-67-0x0000000000400000-0x0000000000717000-memory.dmp
memory/668-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2932-69-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5040-70-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-73-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-74-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-77-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-80-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-83-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-85-0x0000000000B00000-0x0000000000BA2000-memory.dmp
memory/5040-89-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-94-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-97-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-100-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-103-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-106-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-109-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-110-0x0000000000B00000-0x0000000000BA2000-memory.dmp
memory/5040-111-0x0000000000B00000-0x0000000000BA2000-memory.dmp
memory/5040-115-0x0000000000400000-0x0000000000717000-memory.dmp
memory/5040-118-0x0000000000400000-0x0000000000717000-memory.dmp