Analysis Overview
SHA256
b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac
Threat Level: Known bad
The file b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.bin was found to be: Known bad.
Malicious Activity Summary
Suspicious use of NtCreateProcessExOtherParentProcess
44Caliber
44caliber family
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
Program crash
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-03 17:38
Signatures
44caliber family
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-01 18:13
Reported
2022-03-01 18:16
Platform
win7-20220223-en
Max time kernel
4294182s
Max time network
125s
Command Line
Signatures
44Caliber
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe | N/A |
| N/A | N/A | C:\Windows\system32\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\system32\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\system32\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\system32\WerFault.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\WerFault.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1684 wrote to memory of 664 | N/A | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe | C:\Windows\system32\WerFault.exe |
| PID 1684 wrote to memory of 664 | N/A | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe | C:\Windows\system32\WerFault.exe |
| PID 1684 wrote to memory of 664 | N/A | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe
"C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1684 -s 812
Network
Files
memory/1684-54-0x000007FEF5D93000-0x000007FEF5D94000-memory.dmp
memory/1684-55-0x0000000000A70000-0x0000000000AE4000-memory.dmp
memory/664-56-0x000007FEFC321000-0x000007FEFC323000-memory.dmp
memory/1684-57-0x000000001A7F0000-0x000000001A7F2000-memory.dmp
memory/664-58-0x0000000000260000-0x0000000000261000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-01 18:13
Reported
2022-03-01 18:16
Platform
win10v2004-en-20220113
Max time kernel
135s
Max time network
144s
Command Line
Signatures
44Caliber
Suspicious use of NtCreateProcessExOtherParentProcess
| Description | Indicator | Process | Target |
| PID 1956 created 4568 | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe |
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | freegeoip.app | N/A | N/A |
| N/A | freegeoip.app | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\system32\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\system32\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\system32\WerFault.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\system32\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\system32\WerFault.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1956 wrote to memory of 4568 | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe |
| PID 1956 wrote to memory of 4568 | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe
"C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 412 -p 4568 -ip 4568
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4568 -s 1456
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | freegeoip.app | udp |
| US | 188.114.96.0:443 | freegeoip.app | tcp |
Files
memory/4568-130-0x00000000006B0000-0x0000000000724000-memory.dmp
memory/4568-131-0x00007FFD3AB93000-0x00007FFD3AB95000-memory.dmp
memory/4568-132-0x000000001C830000-0x000000001C832000-memory.dmp