Analysis Overview
SHA256
d22db11ce993116313ef560dba21d4c081f8a8cc674462fdae4176749d4bd93a
Threat Level: Known bad
The file 66be35a2807ef_crypted.exe was found to be: Known bad.
Malicious Activity Summary
RedLine
RedLine payload
Suspicious use of SetThreadContext
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Modifies system certificate store
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-28 21:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-28 21:40
Reported
2024-08-28 21:43
Platform
win7-20240704-en
Max time kernel
131s
Max time network
141s
Command Line
Signatures
RedLine
RedLine 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1828 set thread context of 2380 | N/A | C:\Users\Admin\AppData\Local\Temp\66be35a2807ef_crypted.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Enumerates physical storage devices
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\66be35a2807ef_crypted.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064\Blob = 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 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\66be35a2807ef_crypted.exe
"C:\Users\Admin\AppData\Local\Temp\66be35a2807ef_crypted.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| DE | 147.45.47.36:14537 | tcp | |
| DE | 147.45.47.36:14537 | tcp | |
| DE | 147.45.47.36:14537 | tcp | |
| DE | 147.45.47.36:14537 | tcp | |
| DE | 147.45.47.36:14537 | tcp | |
| DE | 147.45.47.36:14537 | tcp |
Files
memory/1828-0-0x00000000746BE000-0x00000000746BF000-memory.dmp
memory/1828-1-0x00000000012E0000-0x0000000001334000-memory.dmp
memory/2380-5-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2380-4-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2380-13-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1828-11-0x0000000002740000-0x0000000004740000-memory.dmp
memory/2380-10-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2380-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2380-7-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2380-6-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1828-16-0x00000000746B0000-0x0000000074D9E000-memory.dmp
memory/2380-15-0x0000000000400000-0x0000000000452000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\TmpC3DC.tmp
| MD5 | 1420d30f964eac2c85b2ccfe968eebce |
| SHA1 | bdf9a6876578a3e38079c4f8cf5d6c79687ad750 |
| SHA256 | f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9 |
| SHA512 | 6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-28 21:40
Reported
2024-08-28 21:43
Platform
win10v2004-20240802-en
Max time kernel
135s
Max time network
151s
Command Line
Signatures
RedLine
RedLine payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2804 set thread context of 3768 | N/A | C:\Users\Admin\AppData\Local\Temp\66be35a2807ef_crypted.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Enumerates physical storage devices
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\66be35a2807ef_crypted.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064\Blob = 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 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\66be35a2807ef_crypted.exe
"C:\Users\Admin\AppData\Local\Temp\66be35a2807ef_crypted.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 44.56.20.217.in-addr.arpa | udp |
| DE | 147.45.47.36:14537 | tcp | |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| DE | 147.45.47.36:14537 | tcp | |
| 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 | 43.56.20.217.in-addr.arpa | udp |
| DE | 147.45.47.36:14537 | tcp | |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| DE | 147.45.47.36:14537 | tcp | |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| DE | 147.45.47.36:14537 | tcp | |
| DE | 147.45.47.36:14537 | tcp |
Files
memory/2804-0-0x000000007522E000-0x000000007522F000-memory.dmp
memory/2804-1-0x0000000000530000-0x0000000000584000-memory.dmp
memory/3768-4-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2804-7-0x0000000075220000-0x00000000759D0000-memory.dmp
memory/3768-8-0x0000000005A40000-0x0000000005FE4000-memory.dmp
memory/3768-9-0x00000000053E0000-0x0000000005472000-memory.dmp
memory/3768-11-0x00000000054C0000-0x00000000054CA000-memory.dmp
memory/3768-10-0x0000000075220000-0x00000000759D0000-memory.dmp
memory/3768-15-0x0000000075220000-0x00000000759D0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Tmp5550.tmp
| MD5 | 1420d30f964eac2c85b2ccfe968eebce |
| SHA1 | bdf9a6876578a3e38079c4f8cf5d6c79687ad750 |
| SHA256 | f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9 |
| SHA512 | 6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8 |
memory/3768-29-0x0000000006070000-0x00000000060E6000-memory.dmp
memory/3768-30-0x00000000067F0000-0x000000000680E000-memory.dmp
memory/3768-33-0x0000000006E30000-0x0000000007448000-memory.dmp
memory/3768-34-0x0000000006980000-0x0000000006A8A000-memory.dmp
memory/3768-35-0x00000000068C0000-0x00000000068D2000-memory.dmp
memory/3768-36-0x0000000006920000-0x000000000695C000-memory.dmp
memory/3768-37-0x0000000006A90000-0x0000000006ADC000-memory.dmp
memory/2804-38-0x0000000075220000-0x00000000759D0000-memory.dmp
memory/3768-39-0x0000000075220000-0x00000000759D0000-memory.dmp