Analysis Overview
SHA256
fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e
Threat Level: Known bad
The file fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e was found to be: Known bad.
Malicious Activity Summary
Socks5Systemz
Detect Socks5Systemz Payload
Loads dropped DLL
Executes dropped EXE
Unexpected DNS network traffic destination
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 22:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-24 22:48
Reported
2024-06-24 22:51
Platform
win11-20240508-en
Max time kernel
147s
Max time network
157s
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-I73S1.tmp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.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-I73S1.tmp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 45.155.250.90 | N/A | N/A |
| Destination IP | 91.211.247.248 | N/A | N/A |
| 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-I73S1.tmp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.exe
"C:\Users\Admin\AppData\Local\Temp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.exe"
C:\Users\Admin\AppData\Local\Temp\is-I73S1.tmp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-I73S1.tmp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.tmp" /SL5="$40220,4738594,54272,C:\Users\Admin\AppData\Local\Temp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.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 | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| SE | 45.155.250.90:53 | cetdwgb.net | udp |
| US | 8.8.8.8:53 | 90.250.155.45.in-addr.arpa | udp |
| RU | 152.89.198.214:53 | cetdwgb.net | udp |
| US | 8.8.8.8:53 | 214.198.89.152.in-addr.arpa | udp |
| LT | 91.211.247.248:53 | cetdwgb.net | udp |
| US | 8.8.8.8:53 | 248.247.211.91.in-addr.arpa | udp |
Files
memory/4308-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4308-0-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-I73S1.tmp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.tmp
| MD5 | b636efd5b0d9411fce26090f48666e14 |
| SHA1 | b51a5479356b513977647fd7bbbedcbba2dd3343 |
| SHA256 | 9c048616826131137b7b69c0a91dbb58f045f489a52fec8019edcad465a3e683 |
| SHA512 | 4758cbae518d68a5cb222e1e1e65782c6b20fdab9a83985a91ca73608211f7d19e948c3947374d5243d4ccd837f56d9b024376867e25431de7e94bdb17ccbd65 |
memory/3272-12-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-VPS7F.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
| MD5 | f500897f8f93756496247a29bfceb706 |
| SHA1 | 080a9e336e98d9a9d8b70a95367d625503bac8c6 |
| SHA256 | 23a5da864a27e395fd06a929f48aff41104a3e556cfe416acc5e8f0aa1d8278b |
| SHA512 | dfa3272be116c6d2519f0d52c114cffc47d763e8cec12b134c8c21bae6edb2a26d5f206433d8a8cea9afb0609a2fa7101d58f732eeb6cba5073e378a54ad07b2 |
memory/4676-59-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4676-60-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4676-63-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4676-65-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-67-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-69-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4308-70-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3272-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2328-72-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-75-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-76-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-79-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-82-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-85-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-88-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/2328-91-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-96-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-99-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-102-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-105-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-108-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-111-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-114-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/2328-117-0x0000000000400000-0x00000000006C8000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-24 22:48
Reported
2024-06-24 22:51
Platform
win10v2004-20240508-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 |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-B1A8V.tmp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.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-B1A8V.tmp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 152.89.198.214 | 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-B1A8V.tmp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.exe
"C:\Users\Admin\AppData\Local\Temp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.exe"
C:\Users\Admin\AppData\Local\Temp\is-B1A8V.tmp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-B1A8V.tmp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.tmp" /SL5="$70064,4738594,54272,C:\Users\Admin\AppData\Local\Temp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.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 | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| RU | 152.89.198.214:53 | ckdikjx.net | udp |
| US | 8.8.8.8:53 | 214.198.89.152.in-addr.arpa | udp |
| RU | 152.89.198.214:53 | ckdikjx.net | udp |
| LT | 91.211.247.248:53 | ckdikjx.net | udp |
| US | 8.8.8.8:53 | 248.247.211.91.in-addr.arpa | udp |
Files
memory/3008-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3008-3-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-B1A8V.tmp\fa18cb656c819bbbb3e28361d163228833fcaec39a173fb1d7a79559f3ce0b7e.tmp
| MD5 | b636efd5b0d9411fce26090f48666e14 |
| SHA1 | b51a5479356b513977647fd7bbbedcbba2dd3343 |
| SHA256 | 9c048616826131137b7b69c0a91dbb58f045f489a52fec8019edcad465a3e683 |
| SHA512 | 4758cbae518d68a5cb222e1e1e65782c6b20fdab9a83985a91ca73608211f7d19e948c3947374d5243d4ccd837f56d9b024376867e25431de7e94bdb17ccbd65 |
memory/4648-13-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-N0IS0.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
| MD5 | f500897f8f93756496247a29bfceb706 |
| SHA1 | 080a9e336e98d9a9d8b70a95367d625503bac8c6 |
| SHA256 | 23a5da864a27e395fd06a929f48aff41104a3e556cfe416acc5e8f0aa1d8278b |
| SHA512 | dfa3272be116c6d2519f0d52c114cffc47d763e8cec12b134c8c21bae6edb2a26d5f206433d8a8cea9afb0609a2fa7101d58f732eeb6cba5073e378a54ad07b2 |
memory/4972-59-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4972-60-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4972-63-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4972-64-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-66-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3008-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4648-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/116-70-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-73-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-76-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-79-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-82-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-85-0x0000000000850000-0x00000000008F2000-memory.dmp
memory/116-87-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-92-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-95-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-98-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-101-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-104-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-107-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-110-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/116-113-0x0000000000400000-0x00000000006C8000-memory.dmp