Analysis Overview
SHA256
1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a
Threat Level: Known bad
The file 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Loads dropped DLL
Unexpected DNS network traffic destination
Executes dropped EXE
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 14:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-11 14:31
Reported
2024-08-11 14:33
Platform
win10v2004-20240802-en
Max time kernel
142s
Max time network
129s
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-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.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\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.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-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe
"C:\Users\Admin\AppData\Local\Temp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe"
C:\Users\Admin\AppData\Local\Temp\is-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp" /SL5="$140052,3830957,54272,C:\Users\Admin\AppData\Local\Temp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.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 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 | butnirt.com | udp |
| CH | 185.196.8.214:80 | butnirt.com | tcp |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 214.8.196.185.in-addr.arpa | udp |
Files
memory/2088-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2088-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp
| MD5 | 4a034cc8809b92775041cc5a46c52ab0 |
| SHA1 | 3f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d |
| SHA256 | 4dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60 |
| SHA512 | e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6 |
memory/3428-10-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-0F0H6.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\Temp\is-0F0H6.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
| MD5 | 6d98dfe278f49528755f954930eb5a32 |
| SHA1 | 049d642eca2f3af58f2a7c3941b6332c232e2f17 |
| SHA256 | f9b74648c3ea6dcc5f39f3103c00c7a9109680e268fbcca63f03e24e7c269df2 |
| SHA512 | 9831b995f195ae14f462a56313f9855c57fcae92c946d30ef7d412de79747368aeef4388f89e929dc5941fdfe272db2f005d0fe9c8a88c31102e2acea47c2042 |
memory/4144-58-0x0000000000400000-0x0000000000715000-memory.dmp
memory/4144-59-0x0000000000400000-0x0000000000715000-memory.dmp
memory/4144-63-0x0000000000400000-0x0000000000715000-memory.dmp
memory/4144-61-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-66-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2088-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3428-68-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2024-69-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-72-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-75-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-78-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-81-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-84-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/2024-88-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-91-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-94-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-97-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-100-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-103-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-106-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-110-0x0000000000400000-0x0000000000715000-memory.dmp
memory/2024-113-0x0000000000400000-0x0000000000715000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-11 14:31
Reported
2024-08-11 14:33
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-CR3RR.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.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\XULPlayer\xulplayer32.exe | 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\Temp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-CR3RR.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-CR3RR.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-CR3RR.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-CR3RR.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe
"C:\Users\Admin\AppData\Local\Temp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe"
C:\Users\Admin\AppData\Local\Temp\is-CR3RR.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-CR3RR.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp" /SL5="$50220,3830957,54272,C:\Users\Admin\AppData\Local\Temp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.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 |
| SE | 45.155.250.90:53 | aanyhhc.ru | udp |
| CH | 185.196.8.214:80 | aanyhhc.ru | tcp |
| NL | 89.105.201.183:2023 | tcp | |
| US | 8.8.8.8:53 | 183.201.105.89.in-addr.arpa | udp |
Files
memory/3216-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3216-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-CR3RR.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp
| MD5 | 4a034cc8809b92775041cc5a46c52ab0 |
| SHA1 | 3f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d |
| SHA256 | 4dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60 |
| SHA512 | e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6 |
memory/4044-10-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-QDS79.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\Temp\is-QDS79.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
| MD5 | 6d98dfe278f49528755f954930eb5a32 |
| SHA1 | 049d642eca2f3af58f2a7c3941b6332c232e2f17 |
| SHA256 | f9b74648c3ea6dcc5f39f3103c00c7a9109680e268fbcca63f03e24e7c269df2 |
| SHA512 | 9831b995f195ae14f462a56313f9855c57fcae92c946d30ef7d412de79747368aeef4388f89e929dc5941fdfe272db2f005d0fe9c8a88c31102e2acea47c2042 |
memory/3652-59-0x0000000000400000-0x0000000000715000-memory.dmp
memory/3652-61-0x0000000000400000-0x0000000000715000-memory.dmp
memory/3652-63-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-66-0x0000000000400000-0x0000000000715000-memory.dmp
memory/3652-58-0x0000000000400000-0x0000000000715000-memory.dmp
memory/3216-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4044-68-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/432-69-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-72-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-75-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-78-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-81-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-83-0x0000000002530000-0x00000000025D2000-memory.dmp
memory/432-86-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-92-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-95-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-98-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-101-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-104-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-107-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-108-0x0000000002530000-0x00000000025D2000-memory.dmp
memory/432-109-0x0000000002530000-0x00000000025D2000-memory.dmp
memory/432-113-0x0000000000400000-0x0000000000715000-memory.dmp
memory/432-116-0x0000000000400000-0x0000000000715000-memory.dmp