Analysis Overview
SHA256
86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961
Threat Level: Likely malicious
The file 86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961 was found to be: Likely malicious.
Malicious Activity Summary
Detects executables packed with aPLib.
Modifies AppInit DLL entries
Loads dropped DLL
Checks computer location settings
Deletes itself
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Views/modifies file attributes
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 22:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 22:59
Reported
2024-04-07 23:02
Platform
win7-20240215-en
Max time kernel
117s
Max time network
117s
Command Line
Signatures
Detects executables packed with aPLib.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Modifies AppInit DLL entries
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\convutou.dll | C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe
"C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\259401442.bat" "C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe""
C:\Windows\SysWOW64\attrib.exe
attrib -r -s -h"C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe"
Network
Files
memory/1304-0-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1304-1-0x0000000001000000-0x000000000102A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\259401442.bat
| MD5 | 604802586163bdc9eda42f6a471e01ad |
| SHA1 | fc255017a78e3ec103f73c8c8651effe08089c81 |
| SHA256 | 02f35eec8f33e1ad57621253ee252ca073f6cc16bf9712d89859ffeb6bb49dd3 |
| SHA512 | 66dc346d7bdcc80fc8ae6894ae10cab306aaf5cf1c1dd750a971d3df37d6f4ac607d188f583d08b526e3df13234cec9c7fa7f9bdc4c4ad187fc83a3506b94888 |
\Windows\SysWOW64\convutou.dll
| MD5 | 11a19ac2f9a6f12bcb7c292037e69ca1 |
| SHA1 | 69af12335c4b88cb86699176cf53972a44fa584f |
| SHA256 | 77bfcadd94b1bee2bd3db65de6806336cb89dad53ad6208443f6bcab6432c964 |
| SHA512 | 104dcdf73b1d8fe20fcf479366c0142a6fbace859c5f35920fc246fcb6010c6e937004d91bc5d968559dd0636e85c290db5d74b539c8ebff9288b7cd4afa23b2 |
memory/1304-13-0x0000000000DB0000-0x0000000000DB1000-memory.dmp
memory/1304-14-0x0000000010000000-0x0000000010012000-memory.dmp
memory/1304-15-0x0000000001000000-0x000000000102A000-memory.dmp
memory/1304-16-0x0000000010000000-0x0000000010012000-memory.dmp
memory/2368-21-0x0000000010000000-0x0000000010012000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 22:59
Reported
2024-04-07 23:02
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
153s
Command Line
Signatures
Detects executables packed with aPLib.
| 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 AppInit DLL entries
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\explhost.dll | C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\cmd.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\cmd.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4124 wrote to memory of 4408 | N/A | C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4124 wrote to memory of 4408 | N/A | C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4124 wrote to memory of 4408 | N/A | C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe | C:\Windows\SysWOW64\cmd.exe |
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe
"C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240619390.bat" "C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe""
C:\Windows\SysWOW64\attrib.exe
attrib -r -s -h"C:\Users\Admin\AppData\Local\Temp\86a77561147a1bff0279d78d42e7e1f9e31ce7256287d6f94082c2365cba2961.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4408 -ip 4408
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 496
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4408 -ip 4408
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 504
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 227.162.46.104.in-addr.arpa | udp |
Files
memory/4124-0-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/4124-1-0x0000000001000000-0x000000000102A000-memory.dmp
C:\Windows\SysWOW64\explhost.dll
| MD5 | 11a19ac2f9a6f12bcb7c292037e69ca1 |
| SHA1 | 69af12335c4b88cb86699176cf53972a44fa584f |
| SHA256 | 77bfcadd94b1bee2bd3db65de6806336cb89dad53ad6208443f6bcab6432c964 |
| SHA512 | 104dcdf73b1d8fe20fcf479366c0142a6fbace859c5f35920fc246fcb6010c6e937004d91bc5d968559dd0636e85c290db5d74b539c8ebff9288b7cd4afa23b2 |
memory/4124-9-0x0000000001000000-0x000000000102A000-memory.dmp
memory/4124-10-0x0000000000DD0000-0x0000000000DD1000-memory.dmp
memory/4124-11-0x0000000010000000-0x0000000010012000-memory.dmp
memory/4124-12-0x0000000001000000-0x000000000102A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\240619390.bat
| MD5 | 604802586163bdc9eda42f6a471e01ad |
| SHA1 | fc255017a78e3ec103f73c8c8651effe08089c81 |
| SHA256 | 02f35eec8f33e1ad57621253ee252ca073f6cc16bf9712d89859ffeb6bb49dd3 |
| SHA512 | 66dc346d7bdcc80fc8ae6894ae10cab306aaf5cf1c1dd750a971d3df37d6f4ac607d188f583d08b526e3df13234cec9c7fa7f9bdc4c4ad187fc83a3506b94888 |
memory/4408-17-0x0000000010000000-0x0000000010012000-memory.dmp