Analysis Overview
SHA256
6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2
Threat Level: Known bad
The file 6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2 was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Unexpected DNS network traffic destination
Executes dropped EXE
Loads dropped DLL
Checks installed software on the system
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-04 09:56
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-04 09:56
Reported
2024-08-04 09:59
Platform
win10v2004-20240802-en
Max time kernel
142s
Max time network
135s
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-ARTR0.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-ARTR0.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp | N/A |
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\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-ARTR0.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-ARTR0.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-ARTR0.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-ARTR0.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.exe
"C:\Users\Admin\AppData\Local\Temp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.exe"
C:\Users\Admin\AppData\Local\Temp\is-ARTR0.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp
"C:\Users\Admin\AppData\Local\Temp\is-ARTR0.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp" /SL5="$12004C,3498625,54272,C:\Users\Admin\AppData\Local\Temp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.exe"
C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe
"C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe" -i
C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe
"C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| SE | 45.155.250.90:53 | bdzhuok.com | udp |
| CH | 185.196.8.214:80 | bdzhuok.com | tcp |
| NL | 45.156.23.96:2023 | tcp | |
| US | 8.8.8.8:53 | 214.8.196.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.250.155.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.23.156.45.in-addr.arpa | udp |
Files
memory/212-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/212-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-ARTR0.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp
| MD5 | 57cadefd8d9a7bec777ab1e7a1329b43 |
| SHA1 | a9e5bf8cc5456e109a9d6356988f7ff8a9da299f |
| SHA256 | 241a3f9c3a0e0e477eb0b67acabaf0911d6a44bcbeefb001de35b5427ff3dacc |
| SHA512 | 850893c27ea24d9c1891dc7556ea3bb0f517b559fa80079f5e3b583ba7b2ba8c7c20f52afcf56d844829ca852222638f0f1f6452ac8f94b36356e938dcfe0306 |
memory/2628-10-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-MMU60.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe
| MD5 | b024f70ea23c885dbfb9d7fbe1f63337 |
| SHA1 | 6f6ccfbc40f7c6decb61efa127bf15c85cda762d |
| SHA256 | fde113cf30161b4d9b53d83abe4e257eda0ceb7c6881da32bae924123641849b |
| SHA512 | 4c5ebdc95174230c27f0bcaa9b21b061db99fc475721aabc909ceadb6d57453f3d586ccc3731feae248da7d167a497f95193ff66bace1cb8b775d8f13e7bcce8 |
memory/872-52-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/872-54-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/872-53-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/872-57-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/212-60-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2628-61-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1672-62-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-65-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-68-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-71-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-74-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-76-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/1672-79-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-84-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-87-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-90-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-93-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-96-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-99-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-100-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/1672-101-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/1672-104-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/1672-108-0x0000000000400000-0x00000000006D4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-04 09:56
Reported
2024-08-04 09:59
Platform
win11-20240802-en
Max time kernel
141s
Max time network
130s
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-PH4UL.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-PH4UL.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp | N/A |
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\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-PH4UL.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-PH4UL.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-PH4UL.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-PH4UL.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.exe
"C:\Users\Admin\AppData\Local\Temp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.exe"
C:\Users\Admin\AppData\Local\Temp\is-PH4UL.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp
"C:\Users\Admin\AppData\Local\Temp\is-PH4UL.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp" /SL5="$3017A,3498625,54272,C:\Users\Admin\AppData\Local\Temp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.exe"
C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe
"C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe" -i
C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe
"C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe" -s
Network
| Country | Destination | Domain | Proto |
| HK | 141.98.234.31:53 | aynoggo.ru | udp |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| CH | 185.196.8.214:80 | aynoggo.ru | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 214.8.196.185.in-addr.arpa | udp |
| NL | 89.105.201.183:2023 | tcp |
Files
memory/760-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/760-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-PH4UL.tmp\6751bebfe1f1454332d3bee1b7e9946f5720ddf4608cc4233c5b18916ea74cc2.tmp
| MD5 | 57cadefd8d9a7bec777ab1e7a1329b43 |
| SHA1 | a9e5bf8cc5456e109a9d6356988f7ff8a9da299f |
| SHA256 | 241a3f9c3a0e0e477eb0b67acabaf0911d6a44bcbeefb001de35b5427ff3dacc |
| SHA512 | 850893c27ea24d9c1891dc7556ea3bb0f517b559fa80079f5e3b583ba7b2ba8c7c20f52afcf56d844829ca852222638f0f1f6452ac8f94b36356e938dcfe0306 |
memory/3112-10-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-LA15L.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Combiner Free\combinerfree.exe
| MD5 | b024f70ea23c885dbfb9d7fbe1f63337 |
| SHA1 | 6f6ccfbc40f7c6decb61efa127bf15c85cda762d |
| SHA256 | fde113cf30161b4d9b53d83abe4e257eda0ceb7c6881da32bae924123641849b |
| SHA512 | 4c5ebdc95174230c27f0bcaa9b21b061db99fc475721aabc909ceadb6d57453f3d586ccc3731feae248da7d167a497f95193ff66bace1cb8b775d8f13e7bcce8 |
memory/3548-52-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/3548-53-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/3548-55-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/3548-57-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-60-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/760-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3112-62-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2296-63-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-66-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-67-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-70-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-73-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-76-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-78-0x00000000023D0000-0x0000000002472000-memory.dmp
memory/2296-82-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-87-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-90-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-93-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-96-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-99-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-102-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-103-0x00000000023D0000-0x0000000002472000-memory.dmp
memory/2296-104-0x00000000023D0000-0x0000000002472000-memory.dmp
memory/2296-108-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2296-111-0x0000000000400000-0x00000000006D4000-memory.dmp