Analysis Overview
SHA256
b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e
Threat Level: Known bad
The file b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e 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 FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-30 15:57
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-30 15:57
Reported
2024-05-30 15:59
Platform
win10v2004-20240508-en
Max time kernel
142s
Max time network
151s
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-6MIPE.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe | N/A |
Loads dropped DLL
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-6MIPE.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe
"C:\Users\Admin\AppData\Local\Temp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe"
C:\Users\Admin\AppData\Local\Temp\is-6MIPE.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-6MIPE.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp" /SL5="$40216,5549854,54272,C:\Users\Admin\AppData\Local\Temp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe"
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| BE | 88.221.83.250:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 250.83.221.88.in-addr.arpa | udp |
| LT | 91.211.247.248:53 | bfoewhw.com | udp |
| BG | 79.110.49.184:80 | bfoewhw.com | tcp |
| NL | 79.132.128.125:2023 | tcp | |
| US | 8.8.8.8:53 | 248.247.211.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 184.49.110.79.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 125.128.132.79.in-addr.arpa | udp |
Files
memory/4600-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4600-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-6MIPE.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp
| MD5 | 0618c738cf49fa5f045702c69585d459 |
| SHA1 | c71706644125d08fabf067cbe06030fb9795a2e8 |
| SHA256 | 32d63dc7b012c5855667c4b809b98b42b2a841d38e5350fe7b603b46a74d484e |
| SHA512 | bd042294fe9a09b01013d94211cf89ec4c7b1bfec384eb717a25ea864e2c9154ba082b5d9ccc9fd5e04d3b551f7bfdfea5d96d74056e5e27811a9cc4aaecc43a |
memory/3128-12-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-1JJ06.tmp\_isetup\_isdecmp.dll
| MD5 | b6f11a0ab7715f570f45900a1fe84732 |
| SHA1 | 77b1201e535445af5ea94c1b03c0a1c34d67a77b |
| SHA256 | e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67 |
| SHA512 | 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771 |
C:\Users\Admin\AppData\Local\Temp\is-1JJ06.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
| MD5 | 01f2c69f3b8f2e5d86870189e3cda680 |
| SHA1 | a90a1a615bdd2e189315130b1d1ec7539dfb38d7 |
| SHA256 | 37debc79084e3704939fed00ba07088b43bf257a225f5ac729f2093ed36a0f93 |
| SHA512 | 9f9064b51a2fde4c74052af80db2a2fda91aec61420bf8900d9a02085ee93c7eaac1d80d5d5a63dc094122fabcdc30e71808391d2e11e93f450e8de3449cdfd4 |
memory/4896-65-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4896-66-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4896-69-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4896-71-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-74-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4600-75-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3128-76-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1032-77-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-80-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-83-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-86-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-89-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-94-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-93-0x0000000000A40000-0x0000000000AE2000-memory.dmp
memory/1032-100-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-103-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-106-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-109-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-112-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-115-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-116-0x0000000000A40000-0x0000000000AE2000-memory.dmp
memory/1032-117-0x0000000000A40000-0x0000000000AE2000-memory.dmp
memory/1032-121-0x0000000000400000-0x0000000000745000-memory.dmp
memory/1032-124-0x0000000000400000-0x0000000000745000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-30 15:57
Reported
2024-05-30 15:59
Platform
win11-20240508-en
Max time kernel
142s
Max time network
151s
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-9DLI9.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe | N/A |
Loads dropped DLL
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-9DLI9.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe
"C:\Users\Admin\AppData\Local\Temp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe"
C:\Users\Admin\AppData\Local\Temp\is-9DLI9.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-9DLI9.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp" /SL5="$70250,5549854,54272,C:\Users\Admin\AppData\Local\Temp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe"
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s
Network
| Country | Destination | Domain | Proto |
| LT | 91.211.247.248:53 | csuidra.net | udp |
| BG | 79.110.49.184:80 | csuidra.net | tcp |
| EE | 194.76.227.81:2023 | tcp | |
| US | 8.8.8.8:53 | 81.227.76.194.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 184.49.110.79.in-addr.arpa | udp |
Files
memory/4408-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4408-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-9DLI9.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp
| MD5 | 0618c738cf49fa5f045702c69585d459 |
| SHA1 | c71706644125d08fabf067cbe06030fb9795a2e8 |
| SHA256 | 32d63dc7b012c5855667c4b809b98b42b2a841d38e5350fe7b603b46a74d484e |
| SHA512 | bd042294fe9a09b01013d94211cf89ec4c7b1bfec384eb717a25ea864e2c9154ba082b5d9ccc9fd5e04d3b551f7bfdfea5d96d74056e5e27811a9cc4aaecc43a |
memory/4696-12-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-66M1G.tmp\_isetup\_isdecmp.dll
| MD5 | b6f11a0ab7715f570f45900a1fe84732 |
| SHA1 | 77b1201e535445af5ea94c1b03c0a1c34d67a77b |
| SHA256 | e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67 |
| SHA512 | 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771 |
C:\Users\Admin\AppData\Local\Temp\is-66M1G.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
| MD5 | 01f2c69f3b8f2e5d86870189e3cda680 |
| SHA1 | a90a1a615bdd2e189315130b1d1ec7539dfb38d7 |
| SHA256 | 37debc79084e3704939fed00ba07088b43bf257a225f5ac729f2093ed36a0f93 |
| SHA512 | 9f9064b51a2fde4c74052af80db2a2fda91aec61420bf8900d9a02085ee93c7eaac1d80d5d5a63dc094122fabcdc30e71808391d2e11e93f450e8de3449cdfd4 |
memory/2156-68-0x0000000000400000-0x0000000000745000-memory.dmp
memory/2156-70-0x0000000000400000-0x0000000000745000-memory.dmp
memory/2156-69-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3068-72-0x0000000000400000-0x0000000000745000-memory.dmp
memory/2156-65-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-74-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4408-75-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4696-76-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3068-77-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-80-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-81-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-84-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-87-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-90-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-93-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/3068-96-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-101-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-104-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-105-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-108-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-111-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-114-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-117-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-118-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/3068-119-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/3068-123-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-126-0x0000000000400000-0x0000000000745000-memory.dmp