Analysis Overview
SHA256
f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a
Threat Level: Known bad
The file f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
UPX dump on OEP (original entry point)
Modifies Installed Components in the registry
Modifies system executable filetype association
Executes dropped EXE
UPX packed file
Adds Run key to start application
Drops file in System32 directory
Drops file in Windows directory
Program crash
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 05:28
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 05:28
Reported
2024-06-03 05:31
Platform
win7-20240508-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
UPX dump on OEP (original entry point)
| 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 |
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983} | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msqpo32.exe" | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983} | C:\Windows\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msqpo32.exe" | C:\Windows\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\svchost.exe | N/A |
Modifies system executable filetype association
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" | C:\Windows\svchost.exe | N/A |
UPX packed file
| 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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" | C:\Windows\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" | C:\Windows\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\vcl32.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\vcl32.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| File created | C:\Windows\SysWOW64\msqpo32.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\msqpo32.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| File created | C:\Windows\SysWOW64\concp32.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\concp32.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\svchost.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| File opened for modification | C:\Windows\svchost.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" | C:\Windows\svchost.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 7d38d608b3f1969a7370ed20744c224c | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226 | C:\Windows\svchost.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4 | C:\Windows\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165" | C:\Windows\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983} | C:\Windows\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 | C:\Windows\svchost.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f | C:\Windows\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983} | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4A092499-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9 | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2132 wrote to memory of 1968 | N/A | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | C:\Windows\svchost.exe |
| PID 2132 wrote to memory of 1968 | N/A | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | C:\Windows\svchost.exe |
| PID 2132 wrote to memory of 1968 | N/A | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | C:\Windows\svchost.exe |
| PID 2132 wrote to memory of 1968 | N/A | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | C:\Windows\svchost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe
"C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe"
C:\Windows\svchost.exe
C:\Windows\svchost.exe
Network
Files
memory/2132-0-0x0000000000400000-0x0000000000439000-memory.dmp
C:\Windows\SysWOW64\concp32.exe
| MD5 | f98e6f7a255e4d957e5021f9946dba0b |
| SHA1 | 22a32e791c8fd8f36bf1209e1fbc0edd157b0ae0 |
| SHA256 | 12b763ce71d562a562c4c8064d1a111a506171cb7bb5c89af884f1d735525068 |
| SHA512 | 766d84d6eda0e85e92356f1202da219e7cd7d940bdcadd38945bcc09ceff1295d709942bd3a11f07de2bc355384e7f9a9e95345ff520cd79099084f08e8d5b55 |
memory/2132-14-0x0000000000400000-0x0000000000439000-memory.dmp
C:\Windows\svchost.exe
| MD5 | 35dc37e00ff44f88695f4826b0236fb1 |
| SHA1 | 87f6d54dce0e33438ad040d0512dc6248e7340a2 |
| SHA256 | 2bce1cba949ece138a4a7533039becfdcfc792e758e826ff9c18da2f5ea71c05 |
| SHA512 | 8f1c2415c8daa106fbc364b1a03fad048d733bb9c8683bf15568b664d9262dc21d211bfae2543e3aef2ef03273689ecdc9d23616319e76ff002da3c9e7b2022c |
memory/1968-15-0x0000000000400000-0x0000000000439000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 05:28
Reported
2024-06-03 05:31
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
151s
Command Line
Signatures
UPX dump on OEP (original entry point)
| 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 |
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{D5296FEE-8B9A-11D5-EBA1-F78EEEEEE983} | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{D5296FEE-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msvuv32.exe" | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
Modifies system executable filetype association
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
UPX packed file
| 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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\vcl32.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| File created | C:\Windows\SysWOW64\msvuv32.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\msvuv32.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| File created | C:\Windows\SysWOW64\concp32.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\concp32.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| File created | C:\Windows\SysWOW64\vcl32.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D5296FEE-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D5296FEE-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3 | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D5296FEE-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 39aa9587783e037d9dd5c0f7103823fa | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D5296FEE-8B9A-11D5-EBA1-F78EEEEEE983} | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe
"C:\Users\Admin\AppData\Local\Temp\f2c8b9f88382106d2547a3c760d641daba268e8bfcbf152357d5e593b841a56a.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1432 -ip 1432
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 744
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3816 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| GB | 96.16.110.114:80 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 164.189.21.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| GB | 142.250.187.234:443 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| 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 |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 122.10.44.20.in-addr.arpa | udp |
Files
memory/1432-0-0x0000000000400000-0x0000000000439000-memory.dmp
C:\Windows\SysWOW64\concp32.exe
| MD5 | 4832c76b4a120f89207b424e2335cc4e |
| SHA1 | 217208ca9ea331c37e2fe4a22c81c86791ccd3c8 |
| SHA256 | 8da924f56a7ae2031ff4f585fac1a41ff7f4af6445b6c616b0f8524b232c4f6b |
| SHA512 | ed26a9967fc20ed10e5e594c160b6f4c759ee39a7a929bd35b6f90a72ee5370a46f30cec824f3b1293deb99e8d509efd2cd051a4a0189583e1003621870217f9 |
memory/1432-7-0x0000000000400000-0x0000000000439000-memory.dmp