Analysis Overview
SHA256
45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427
Threat Level: Known bad
The file 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427 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 use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-11 00:05
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-11 00:05
Reported
2024-08-11 00:07
Platform
win10v2004-20240802-en
Max time kernel
147s
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-03TGF.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
Loads dropped DLL
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 91.211.247.248 | 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-03TGF.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-03TGF.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-03TGF.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-03TGF.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe
"C:\Users\Admin\AppData\Local\Temp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe"
C:\Users\Admin\AppData\Local\Temp\is-03TGF.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp
"C:\Users\Admin\AppData\Local\Temp\is-03TGF.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp" /SL5="$80062,4423076,54272,C:\Users\Admin\AppData\Local\Temp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe"
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -i
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.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 | 55.36.223.20.in-addr.arpa | udp |
| LT | 91.211.247.248:53 | dtggtje.info | udp |
| US | 8.8.8.8:53 | 248.247.211.91.in-addr.arpa | udp |
| CH | 185.196.8.214:80 | dtggtje.info | tcp |
| NL | 89.105.201.183:2023 | tcp | |
| US | 8.8.8.8:53 | 183.201.105.89.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 214.8.196.185.in-addr.arpa | udp |
Files
memory/3368-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3368-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-03TGF.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp
| MD5 | 85fc5b8836d8625fbfa40a092386e645 |
| SHA1 | a90bb83f5d8d024bb357a44682267a50406071d6 |
| SHA256 | 6dda4c9c34d1898b592ebeccee9f4b2a2bffefd68296da6310435e13fb63d950 |
| SHA512 | c50e53c2c695c7ba24b4cc2c2f958e1e9ce4eea9b541684ea41c7cae513919bb80171dcaaf1c18a8f37221737e6a1f8ba0881a224abd3dd09407d0c4edb96aae |
memory/3704-12-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-A75R2.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\Temp\is-A75R2.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
| MD5 | 6e8656d67ad031773a268d55a907c76e |
| SHA1 | 1aed2ceccb9e92ab8bdcb21e501d2b6b94ffdfc6 |
| SHA256 | 699d3bb069933297285c810089904402580d1aeeef879c2042a79e544f10951e |
| SHA512 | 8ba6df3138847874d8653b7bf0768e43c409dc45fb413cfd922506b4a52d8f438879ae13bbb961216e943d56ee7dfd7cdd11be454893040489179890b8238831 |
memory/2288-58-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2288-60-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2288-59-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2288-63-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-66-0x0000000000400000-0x0000000000815000-memory.dmp
memory/3368-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3704-68-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/748-69-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-72-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-75-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-78-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-81-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-84-0x0000000000B90000-0x0000000000C32000-memory.dmp
memory/748-88-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-91-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-94-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-97-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-100-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-103-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-106-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-107-0x0000000000B90000-0x0000000000C32000-memory.dmp
memory/748-108-0x0000000000B90000-0x0000000000C32000-memory.dmp
memory/748-112-0x0000000000400000-0x0000000000815000-memory.dmp
memory/748-115-0x0000000000400000-0x0000000000815000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-11 00:05
Reported
2024-08-11 00:07
Platform
win11-20240802-en
Max time kernel
147s
Max time network
150s
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-VISGA.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.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\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-VISGA.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-VISGA.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-VISGA.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-VISGA.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe
"C:\Users\Admin\AppData\Local\Temp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe"
C:\Users\Admin\AppData\Local\Temp\is-VISGA.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp
"C:\Users\Admin\AppData\Local\Temp\is-VISGA.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp" /SL5="$120228,4423076,54272,C:\Users\Admin\AppData\Local\Temp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe"
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -i
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -s
Network
| Country | Destination | Domain | Proto |
| SE | 45.155.250.90:53 | bdbjeei.com | udp |
| CH | 185.196.8.214:80 | bdbjeei.com | tcp |
| US | 8.8.8.8:53 | 90.250.155.45.in-addr.arpa | udp |
| NL | 89.105.201.183:2023 | tcp |
Files
memory/3068-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3068-0-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-VISGA.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp
| MD5 | 85fc5b8836d8625fbfa40a092386e645 |
| SHA1 | a90bb83f5d8d024bb357a44682267a50406071d6 |
| SHA256 | 6dda4c9c34d1898b592ebeccee9f4b2a2bffefd68296da6310435e13fb63d950 |
| SHA512 | c50e53c2c695c7ba24b4cc2c2f958e1e9ce4eea9b541684ea41c7cae513919bb80171dcaaf1c18a8f37221737e6a1f8ba0881a224abd3dd09407d0c4edb96aae |
memory/468-12-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-T7OVP.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\Temp\is-T7OVP.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
| MD5 | 6e8656d67ad031773a268d55a907c76e |
| SHA1 | 1aed2ceccb9e92ab8bdcb21e501d2b6b94ffdfc6 |
| SHA256 | 699d3bb069933297285c810089904402580d1aeeef879c2042a79e544f10951e |
| SHA512 | 8ba6df3138847874d8653b7bf0768e43c409dc45fb413cfd922506b4a52d8f438879ae13bbb961216e943d56ee7dfd7cdd11be454893040489179890b8238831 |
memory/4712-58-0x0000000000400000-0x0000000000815000-memory.dmp
memory/4712-62-0x0000000000400000-0x000000000047E000-memory.dmp
memory/4712-60-0x0000000000400000-0x0000000000815000-memory.dmp
memory/4712-61-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-64-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-66-0x0000000000400000-0x0000000000815000-memory.dmp
memory/3068-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/468-68-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2920-69-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-72-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-73-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-76-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-79-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-82-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-84-0x0000000000A00000-0x0000000000AA2000-memory.dmp
memory/2920-87-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-93-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-96-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-99-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-102-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-105-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-108-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-109-0x0000000000A00000-0x0000000000AA2000-memory.dmp
memory/2920-110-0x0000000000A00000-0x0000000000AA2000-memory.dmp
memory/2920-114-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2920-117-0x0000000000400000-0x0000000000815000-memory.dmp