Analysis Overview
SHA256
e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b
Threat Level: Known bad
The file e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b was found to be: Known bad.
Malicious Activity Summary
Socks5Systemz
Detect Socks5Systemz Payload
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 WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-09 02:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-09 02:03
Reported
2024-06-09 02:06
Platform
win11-20240426-en
Max time kernel
122s
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-GIRTC.tmp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-GIRTC.tmp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.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-GIRTC.tmp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.exe
"C:\Users\Admin\AppData\Local\Temp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.exe"
C:\Users\Admin\AppData\Local\Temp\is-GIRTC.tmp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.tmp
"C:\Users\Admin\AppData\Local\Temp\is-GIRTC.tmp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.tmp" /SL5="$4023C,4666921,54272,C:\Users\Admin\AppData\Local\Temp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.exe"
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -i
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 52.111.229.19:443 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| SE | 45.155.250.90:53 | bbwbokn.com | udp |
| BG | 93.123.39.193:80 | bbwbokn.com | tcp |
| FR | 62.210.204.81:2023 | tcp |
Files
memory/2948-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2948-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-GIRTC.tmp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.tmp
| MD5 | dff4f58a01a8e88e4a2f821ca761d901 |
| SHA1 | e67e24669220213f895b68c0d662b02b03469b4a |
| SHA256 | 91b049634c65dbe18368e1f2ead4ae48f62b92fdfcd119ccea0919b68bf56e76 |
| SHA512 | 049cebaa8bc30f2b7b90a49f6022271247fab2a3bc0fd2e9f36d1f27e0c37926f00deedd92b5d85a8b34f2f6e9b59ee3b7e12510cfa720935a86ba820132817a |
memory/3364-10-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-EVC4V.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
| MD5 | eb006d9f9056a10d7041b60c92d5748d |
| SHA1 | fb3d1c69f0ab0e80a6b1453e3b959ed6a93eab07 |
| SHA256 | 70714c41c7687e2e864ef98dc47829bbb765a370ce07c4ef45ef7032c6ed241a |
| SHA512 | 26194cca01da8b17ae81996d84b572d602ba64d4de8225c47be5cc9795c4f43b73d04ee5aa6ff2233a4c9d9e21c2930e97633a67a622a9ad9d03f9bfd87f5d8f |
memory/2004-59-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2004-60-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2004-65-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2004-64-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-68-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-69-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2948-70-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3364-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3900-72-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-75-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-76-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-79-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-82-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-85-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-91-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-87-0x0000000002800000-0x00000000028A2000-memory.dmp
memory/3900-96-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-99-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-102-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-105-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-108-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-111-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-113-0x0000000002800000-0x00000000028A2000-memory.dmp
memory/3900-112-0x0000000002800000-0x00000000028A2000-memory.dmp
memory/3900-117-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/3900-120-0x0000000000400000-0x00000000006C4000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-09 02:03
Reported
2024-06-09 02:06
Platform
win10v2004-20240426-en
Max time kernel
122s
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-OC6V4.tmp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-OC6V4.tmp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.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
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-OC6V4.tmp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.exe
"C:\Users\Admin\AppData\Local\Temp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.exe"
C:\Users\Admin\AppData\Local\Temp\is-OC6V4.tmp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.tmp
"C:\Users\Admin\AppData\Local\Temp\is-OC6V4.tmp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.tmp" /SL5="$401CE,4666921,54272,C:\Users\Admin\AppData\Local\Temp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.exe"
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -i
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
"C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| HK | 141.98.234.31:53 | bfdmlcb.com | udp |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| BG | 93.123.39.193:80 | bfdmlcb.com | tcp |
| FR | 195.154.185.134:2023 | tcp | |
| US | 8.8.8.8:53 | 134.185.154.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 193.39.123.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.179.89.13.in-addr.arpa | udp |
Files
memory/4676-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4676-0-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-OC6V4.tmp\e250e4bfdd5a58be90228eb5b2b4fb0f4686a36b433b130cbe50a4008a874c8b.tmp
| MD5 | dff4f58a01a8e88e4a2f821ca761d901 |
| SHA1 | e67e24669220213f895b68c0d662b02b03469b4a |
| SHA256 | 91b049634c65dbe18368e1f2ead4ae48f62b92fdfcd119ccea0919b68bf56e76 |
| SHA512 | 049cebaa8bc30f2b7b90a49f6022271247fab2a3bc0fd2e9f36d1f27e0c37926f00deedd92b5d85a8b34f2f6e9b59ee3b7e12510cfa720935a86ba820132817a |
memory/1628-10-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-4UR29.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Lesser Extent\lesserextent32.exe
| MD5 | eb006d9f9056a10d7041b60c92d5748d |
| SHA1 | fb3d1c69f0ab0e80a6b1453e3b959ed6a93eab07 |
| SHA256 | 70714c41c7687e2e864ef98dc47829bbb765a370ce07c4ef45ef7032c6ed241a |
| SHA512 | 26194cca01da8b17ae81996d84b572d602ba64d4de8225c47be5cc9795c4f43b73d04ee5aa6ff2233a4c9d9e21c2930e97633a67a622a9ad9d03f9bfd87f5d8f |
memory/1020-60-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/1020-65-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/1020-64-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/1020-59-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-68-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-69-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4676-70-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1628-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4492-72-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-73-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-76-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-79-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-82-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-85-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-87-0x0000000000A20000-0x0000000000AC2000-memory.dmp
memory/4492-90-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-96-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-99-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-102-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-105-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-108-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-111-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-113-0x0000000000A20000-0x0000000000AC2000-memory.dmp
memory/4492-112-0x0000000000A20000-0x0000000000AC2000-memory.dmp
memory/4492-117-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4492-120-0x0000000000400000-0x00000000006C4000-memory.dmp