Analysis Overview
SHA256
c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994
Threat Level: Known bad
The file c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994 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
Unsigned PE
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-09 04:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-09 04:29
Reported
2024-06-09 04:31
Platform
win10v2004-20240508-en
Max time kernel
141s
Max time network
127s
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-FKJJQ.tmp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FKJJQ.tmp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.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
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FKJJQ.tmp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.exe
"C:\Users\Admin\AppData\Local\Temp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.exe"
C:\Users\Admin\AppData\Local\Temp\is-FKJJQ.tmp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.tmp
"C:\Users\Admin\AppData\Local\Temp\is-FKJJQ.tmp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.tmp" /SL5="$D0066,4581277,54272,C:\Users\Admin\AppData\Local\Temp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.exe"
C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe" -i
C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 52.111.229.48:443 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| SE | 45.155.250.90:53 | ckergqb.net | udp |
| BG | 93.123.39.193:80 | ckergqb.net | tcp |
| NL | 79.132.128.125:2023 | tcp | |
| US | 8.8.8.8:53 | 90.250.155.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 193.39.123.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 125.128.132.79.in-addr.arpa | udp |
Files
memory/2400-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2400-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-FKJJQ.tmp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.tmp
| MD5 | e5c6fc27d2665f4ba98d9837652d4446 |
| SHA1 | 68205e893b6b217a6b6beb921e758ee222fdd674 |
| SHA256 | b800a709dfe4e318a5160fda1fa01e2815e834bd6166e66cefa04298bce0cdbc |
| SHA512 | f1989ea07a01b5696318e9d898f8ec4c10e846ab334ff053c58f00104a89804367f1ebd6c227033f3dd069ac311d0fe805694584e3a8152a8dc5eb23ae05dcbe |
memory/3396-12-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-RJS6S.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
| MD5 | 8ce4111540411130233d63ca29c03d50 |
| SHA1 | d2a8711ae935250aefc156b7a6d2e9e2698b114a |
| SHA256 | fb114d37e09d9f67d6760e46683b67f5aa0795a6c44fb38fdb654dd16c3f5d2a |
| SHA512 | 343ef30eb28c8f74ce3bcc7c1ea322fe6008e846bf808108c3b62142e5e6c6ed8460ebff06949e283e0339eff9debaa6c85b612d5749fd13554306cc345438ba |
memory/888-59-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/888-60-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/888-64-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-67-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/2400-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3396-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4228-70-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-73-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-76-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-79-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-82-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-85-0x0000000002830000-0x00000000028D2000-memory.dmp
memory/4228-88-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-93-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-96-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-99-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-102-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-105-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-108-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-109-0x0000000002830000-0x00000000028D2000-memory.dmp
memory/4228-110-0x0000000002830000-0x00000000028D2000-memory.dmp
memory/4228-114-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4228-117-0x0000000000400000-0x00000000006A9000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-09 04:29
Reported
2024-06-09 04:31
Platform
win11-20240508-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-FC33O.tmp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FC33O.tmp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.tmp | N/A |
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
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-FC33O.tmp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.exe
"C:\Users\Admin\AppData\Local\Temp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.exe"
C:\Users\Admin\AppData\Local\Temp\is-FC33O.tmp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.tmp
"C:\Users\Admin\AppData\Local\Temp\is-FC33O.tmp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.tmp" /SL5="$40244,4581277,54272,C:\Users\Admin\AppData\Local\Temp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.exe"
C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe" -i
C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe" -s
Network
| Country | Destination | Domain | Proto |
| LT | 91.211.247.248:53 | bgbkyjc.com | udp |
| BG | 93.123.39.193:80 | bgbkyjc.com | tcp |
| NL | 79.132.128.125:2023 | tcp | |
| US | 8.8.8.8:53 | 193.39.123.93.in-addr.arpa | udp |
Files
memory/4792-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4792-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-FC33O.tmp\c617f96fa1a4855f1fa98176cad36cc4c38e28963324788230e1a9eaf97dc994.tmp
| MD5 | e5c6fc27d2665f4ba98d9837652d4446 |
| SHA1 | 68205e893b6b217a6b6beb921e758ee222fdd674 |
| SHA256 | b800a709dfe4e318a5160fda1fa01e2815e834bd6166e66cefa04298bce0cdbc |
| SHA512 | f1989ea07a01b5696318e9d898f8ec4c10e846ab334ff053c58f00104a89804367f1ebd6c227033f3dd069ac311d0fe805694584e3a8152a8dc5eb23ae05dcbe |
C:\Users\Admin\AppData\Local\Temp\is-S2VEV.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
memory/2684-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2352-59-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/2352-63-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/2352-62-0x0000000000400000-0x00000000006A9000-memory.dmp
C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
| MD5 | 8ce4111540411130233d63ca29c03d50 |
| SHA1 | d2a8711ae935250aefc156b7a6d2e9e2698b114a |
| SHA256 | fb114d37e09d9f67d6760e46683b67f5aa0795a6c44fb38fdb654dd16c3f5d2a |
| SHA512 | 343ef30eb28c8f74ce3bcc7c1ea322fe6008e846bf808108c3b62142e5e6c6ed8460ebff06949e283e0339eff9debaa6c85b612d5749fd13554306cc345438ba |
memory/4652-68-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/2352-65-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4792-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2684-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4652-71-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-74-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-77-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-80-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-83-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-86-0x0000000002840000-0x00000000028E2000-memory.dmp
memory/4652-89-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-94-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-97-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-100-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-103-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-106-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-109-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-110-0x0000000002840000-0x00000000028E2000-memory.dmp
memory/4652-111-0x0000000002840000-0x00000000028E2000-memory.dmp
memory/4652-115-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/4652-118-0x0000000000400000-0x00000000006A9000-memory.dmp