Analysis Overview
SHA256
920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394
Threat Level: Known bad
The file 920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394 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 use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-10 22:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-10 22:29
Reported
2024-08-10 22:31
Platform
win10v2004-20240802-en
Max time kernel
148s
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-3LMCJ.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.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\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\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-3LMCJ.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-3LMCJ.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-3LMCJ.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-3LMCJ.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.exe
"C:\Users\Admin\AppData\Local\Temp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.exe"
C:\Users\Admin\AppData\Local\Temp\is-3LMCJ.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp
"C:\Users\Admin\AppData\Local\Temp\is-3LMCJ.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp" /SL5="$50118,4411396,54272,C:\Users\Admin\AppData\Local\Temp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| SE | 45.155.250.90:53 | ezbhwhu.ua | udp |
| CH | 185.196.8.214:80 | ezbhwhu.ua | tcp |
| NL | 45.156.23.96:2023 | tcp | |
| US | 8.8.8.8:53 | 90.250.155.45.in-addr.arpa | udp |
| 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 |
Files
memory/4412-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4412-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-3LMCJ.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp
| MD5 | 85fc5b8836d8625fbfa40a092386e645 |
| SHA1 | a90bb83f5d8d024bb357a44682267a50406071d6 |
| SHA256 | 6dda4c9c34d1898b592ebeccee9f4b2a2bffefd68296da6310435e13fb63d950 |
| SHA512 | c50e53c2c695c7ba24b4cc2c2f958e1e9ce4eea9b541684ea41c7cae513919bb80171dcaaf1c18a8f37221737e6a1f8ba0881a224abd3dd09407d0c4edb96aae |
memory/2120-10-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-0EMRR.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\Temp\is-0EMRR.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
| MD5 | e73a22508a925e41662b76ba4e494a19 |
| SHA1 | b6ef636f469153f6cd2689e0bd43eaf412bca283 |
| SHA256 | b4a034644b3237264e39d049ba6b531bbab88ab4086879a7bd5b4e5b16200808 |
| SHA512 | 6575c54df45cf50835cba73cb5de8741e17150ed0c1564947f898dc226cce8b939bedd21d1f2eb1e1ea3462ebd94b67323fd734384db9fe564dec0dd0ebd1b80 |
memory/2912-58-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2912-59-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2912-62-0x0000000000400000-0x0000000000815000-memory.dmp
memory/2912-60-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-65-0x0000000000400000-0x0000000000815000-memory.dmp
memory/4412-66-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2120-67-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/8-68-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-71-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-74-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-77-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-80-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-83-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/8-87-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-90-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-93-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-96-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-99-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-102-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-105-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-106-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/8-107-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/8-111-0x0000000000400000-0x0000000000815000-memory.dmp
memory/8-114-0x0000000000400000-0x0000000000815000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-10 22:29
Reported
2024-08-10 22:31
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-4Q2ST.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.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 | 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\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-4Q2ST.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.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-4Q2ST.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-4Q2ST.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-4Q2ST.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.exe
"C:\Users\Admin\AppData\Local\Temp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.exe"
C:\Users\Admin\AppData\Local\Temp\is-4Q2ST.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp
"C:\Users\Admin\AppData\Local\Temp\is-4Q2ST.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp" /SL5="$700DC,4411396,54272,C:\Users\Admin\AppData\Local\Temp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.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 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| RU | 152.89.198.214:53 | bgnqgxu.com | udp |
| CH | 185.196.8.214:80 | bgnqgxu.com | tcp |
| NL | 89.105.201.183:2023 | tcp |
Files
memory/1128-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1128-0-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-4Q2ST.tmp\920477db829ff70d2a2d48c58854d7429267bd0a114c48fdc4cf13f9c815b394.tmp
| MD5 | 85fc5b8836d8625fbfa40a092386e645 |
| SHA1 | a90bb83f5d8d024bb357a44682267a50406071d6 |
| SHA256 | 6dda4c9c34d1898b592ebeccee9f4b2a2bffefd68296da6310435e13fb63d950 |
| SHA512 | c50e53c2c695c7ba24b4cc2c2f958e1e9ce4eea9b541684ea41c7cae513919bb80171dcaaf1c18a8f37221737e6a1f8ba0881a224abd3dd09407d0c4edb96aae |
memory/5020-13-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-HGV83.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
C:\Users\Admin\AppData\Local\Temp\is-HGV83.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe
| MD5 | e73a22508a925e41662b76ba4e494a19 |
| SHA1 | b6ef636f469153f6cd2689e0bd43eaf412bca283 |
| SHA256 | b4a034644b3237264e39d049ba6b531bbab88ab4086879a7bd5b4e5b16200808 |
| SHA512 | 6575c54df45cf50835cba73cb5de8741e17150ed0c1564947f898dc226cce8b939bedd21d1f2eb1e1ea3462ebd94b67323fd734384db9fe564dec0dd0ebd1b80 |
memory/5036-58-0x0000000000400000-0x0000000000815000-memory.dmp
memory/5036-61-0x0000000000400000-0x0000000000815000-memory.dmp
memory/5036-60-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-65-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1128-66-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5020-67-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1236-68-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-71-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-74-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-77-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-80-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-82-0x0000000002640000-0x00000000026E2000-memory.dmp
memory/1236-85-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-91-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-94-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-97-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-100-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-103-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-106-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-107-0x0000000002640000-0x00000000026E2000-memory.dmp
memory/1236-108-0x0000000002640000-0x00000000026E2000-memory.dmp
memory/1236-112-0x0000000000400000-0x0000000000815000-memory.dmp
memory/1236-115-0x0000000000400000-0x0000000000815000-memory.dmp