Analysis Overview
SHA256
a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd
Threat Level: Known bad
The file a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd 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
Enumerates physical storage devices
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-24 20:55
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-24 20:55
Reported
2024-06-24 20:58
Platform
win10v2004-20240508-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 |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-SRS3S.tmp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Winypux\winypux32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Winypux\winypux32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-SRS3S.tmp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 141.98.234.31 | N/A | N/A |
| Destination IP | 152.89.198.214 | N/A | N/A |
| Destination IP | 91.211.247.248 | N/A | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-SRS3S.tmp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.exe
"C:\Users\Admin\AppData\Local\Temp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.exe"
C:\Users\Admin\AppData\Local\Temp\is-SRS3S.tmp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.tmp
"C:\Users\Admin\AppData\Local\Temp\is-SRS3S.tmp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.tmp" /SL5="$60064,4735694,54272,C:\Users\Admin\AppData\Local\Temp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.exe"
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 52.111.229.43:443 | tcp | |
| HK | 141.98.234.31:53 | bfcewno.com | udp |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| RU | 152.89.198.214:53 | bfcewno.com | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 214.198.89.152.in-addr.arpa | udp |
| LT | 91.211.247.248:53 | bfcewno.com | udp |
| US | 8.8.8.8:53 | 248.247.211.91.in-addr.arpa | udp |
Files
memory/3524-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3524-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-SRS3S.tmp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.tmp
| MD5 | fe8159895c04f572c0d4ff483fde0a81 |
| SHA1 | 7b5cd749bb4ac1e5a57f1b11cd33857d5d2514ef |
| SHA256 | 36e684553464cedcab2f2766d44d135206af42c396379a98ac45e476517fb0e6 |
| SHA512 | ccaa6b1e6229f93fe5a087d1c3c711402f780521a403617ab12ee32844f3f1ea74e9f103cad76b0d1a25bee0cb2e22bb393c685844ae714777b6e3e54ce79392 |
C:\Users\Admin\AppData\Local\Temp\is-8R4MT.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
memory/2800-16-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
| MD5 | 94b4d42bcf15988d59b2c3f38c3b158e |
| SHA1 | 595c58eb2ef0e1d8f869cd95f21b2adf0628e335 |
| SHA256 | 0dd841df41a36a20210c5d24199578e423d91623691dd6875e3a2b08fcdecd91 |
| SHA512 | 18d6132d8aa400a2ced3494a5007546beb86fa52c52eac65acf96ae3aae197a214dea936a292c284e58b0b77f27e5e11a90cd158834f7f5caadbb8f49974a6ef |
memory/1208-59-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1208-60-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1208-65-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1208-63-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-68-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3524-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2800-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1320-71-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-74-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-77-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-80-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-83-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-86-0x0000000000810000-0x00000000008B2000-memory.dmp
memory/1320-88-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-93-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-96-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-99-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-102-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-105-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-108-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-111-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1320-114-0x0000000000400000-0x00000000006C8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-24 20:55
Reported
2024-06-24 20:58
Platform
win11-20240611-en
Max time kernel
146s
Max time network
149s
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-R443E.tmp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Winypux\winypux32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Winypux\winypux32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-R443E.tmp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.tmp | N/A |
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
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-R443E.tmp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.exe
"C:\Users\Admin\AppData\Local\Temp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.exe"
C:\Users\Admin\AppData\Local\Temp\is-R443E.tmp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.tmp
"C:\Users\Admin\AppData\Local\Temp\is-R443E.tmp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.tmp" /SL5="$70068,4735694,54272,C:\Users\Admin\AppData\Local\Temp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.exe"
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s
Network
| Country | Destination | Domain | Proto |
| NL | 52.111.243.30:443 | tcp | |
| RU | 152.89.198.214:53 | ezypdec.ua | udp |
| TR | 94.156.8.80:80 | ezypdec.ua | tcp |
| CH | 176.10.111.158:2023 | tcp |
Files
memory/2688-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2688-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-R443E.tmp\a222d9ef359fbc9dabd07570d38d368086b6fd682a8b1590fc72a240f0f2fbbd.tmp
| MD5 | fe8159895c04f572c0d4ff483fde0a81 |
| SHA1 | 7b5cd749bb4ac1e5a57f1b11cd33857d5d2514ef |
| SHA256 | 36e684553464cedcab2f2766d44d135206af42c396379a98ac45e476517fb0e6 |
| SHA512 | ccaa6b1e6229f93fe5a087d1c3c711402f780521a403617ab12ee32844f3f1ea74e9f103cad76b0d1a25bee0cb2e22bb393c685844ae714777b6e3e54ce79392 |
memory/4668-13-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-N18IF.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
| MD5 | 94b4d42bcf15988d59b2c3f38c3b158e |
| SHA1 | 595c58eb2ef0e1d8f869cd95f21b2adf0628e335 |
| SHA256 | 0dd841df41a36a20210c5d24199578e423d91623691dd6875e3a2b08fcdecd91 |
| SHA512 | 18d6132d8aa400a2ced3494a5007546beb86fa52c52eac65acf96ae3aae197a214dea936a292c284e58b0b77f27e5e11a90cd158834f7f5caadbb8f49974a6ef |
memory/4560-59-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4560-63-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4560-64-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4560-60-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-66-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-68-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2688-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4668-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4652-71-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-74-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-75-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-78-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-81-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-84-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-87-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/4652-90-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-95-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-98-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-101-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-104-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-107-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-110-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-111-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/4652-112-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/4652-116-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4652-119-0x0000000000400000-0x00000000006C8000-memory.dmp