Analysis Overview
SHA256
c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb
Threat Level: Known bad
The file c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
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
2024-06-11 00:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 00:51
Reported
2024-06-11 00:54
Platform
win11-20240419-en
Max time kernel
147s
Max time network
153s
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-7IAV9.tmp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-7IAV9.tmp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.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-7IAV9.tmp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.exe
"C:\Users\Admin\AppData\Local\Temp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.exe"
C:\Users\Admin\AppData\Local\Temp\is-7IAV9.tmp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.tmp
"C:\Users\Admin\AppData\Local\Temp\is-7IAV9.tmp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.tmp" /SL5="$500DA,4711945,54272,C:\Users\Admin\AppData\Local\Temp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.exe"
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -i
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.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 | boipsjo.com | udp |
| US | 8.8.8.8:53 | 90.250.155.45.in-addr.arpa | udp |
| RU | 152.89.198.214:53 | boipsjo.com | udp |
| US | 8.8.8.8:53 | 214.198.89.152.in-addr.arpa | udp |
| LT | 91.211.247.248:53 | boipsjo.com | udp |
| US | 8.8.8.8:53 | 248.247.211.91.in-addr.arpa | udp |
Files
memory/3932-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3932-3-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-7IAV9.tmp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.tmp
| MD5 | da3e3293eadae0b9e8e0bb85b53bf263 |
| SHA1 | 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f |
| SHA256 | ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d |
| SHA512 | c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8 |
memory/2736-12-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-H8QHO.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
| MD5 | ba7ba4bde1514b0ab53879759f6d4c9b |
| SHA1 | 169edab865f64cfce4543ae28123e7d6cee0e89a |
| SHA256 | 37898792de8199f935688e81401267c54df693da75b3adb5330f8014da705288 |
| SHA512 | 9596d6853750d128646215e5f6ce5c6def9fe974b2375cec6c2b046dbe66c5f165960629b1c3f3d3d1292af8219071764d69c7f27676ee3f824a7ef2dea97734 |
memory/2180-59-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2180-64-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2180-62-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-66-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-68-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3932-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2736-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2936-71-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-75-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-74-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-78-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-81-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-84-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-86-0x0000000000A00000-0x0000000000AA2000-memory.dmp
memory/2936-88-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-94-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-97-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-100-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-103-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-106-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-109-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-112-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/2936-115-0x0000000000400000-0x00000000006DD000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 00:51
Reported
2024-06-11 00:54
Platform
win10v2004-20240508-en
Max time kernel
148s
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-GVV98.tmp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-GVV98.tmp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 152.89.198.214 | 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-GVV98.tmp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.exe
"C:\Users\Admin\AppData\Local\Temp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.exe"
C:\Users\Admin\AppData\Local\Temp\is-GVV98.tmp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.tmp
"C:\Users\Admin\AppData\Local\Temp\is-GVV98.tmp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.tmp" /SL5="$60064,4711945,54272,C:\Users\Admin\AppData\Local\Temp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.exe"
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -i
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 52.111.229.43:443 | tcp | |
| RU | 152.89.198.214:53 | bmaqseo.com | udp |
| US | 8.8.8.8:53 | 214.198.89.152.in-addr.arpa | udp |
| RU | 152.89.198.214:53 | bmaqseo.com | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| LT | 91.211.247.248:53 | bmaqseo.com | udp |
| US | 8.8.8.8:53 | 248.247.211.91.in-addr.arpa | udp |
Files
memory/3040-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3040-3-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-GVV98.tmp\c4fcb58ccfcbd6c286f2a6faa125f220f147d6b966a1328b36be3b18f18e53fb.tmp
| MD5 | da3e3293eadae0b9e8e0bb85b53bf263 |
| SHA1 | 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f |
| SHA256 | ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d |
| SHA512 | c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8 |
memory/872-12-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-QUVBQ.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
| MD5 | ba7ba4bde1514b0ab53879759f6d4c9b |
| SHA1 | 169edab865f64cfce4543ae28123e7d6cee0e89a |
| SHA256 | 37898792de8199f935688e81401267c54df693da75b3adb5330f8014da705288 |
| SHA512 | 9596d6853750d128646215e5f6ce5c6def9fe974b2375cec6c2b046dbe66c5f165960629b1c3f3d3d1292af8219071764d69c7f27676ee3f824a7ef2dea97734 |
memory/4900-59-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/4900-60-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/4900-62-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/4900-65-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-68-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3040-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/872-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3160-71-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-74-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-77-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-80-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-83-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-86-0x0000000000910000-0x00000000009B2000-memory.dmp
memory/3160-89-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-94-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-97-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-100-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-103-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-106-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-109-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-112-0x0000000000400000-0x00000000006DD000-memory.dmp
memory/3160-115-0x0000000000400000-0x00000000006DD000-memory.dmp