Analysis Overview
SHA256
dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0
Threat Level: Known bad
The file dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer Payload
Isrstealer family
NirSoft MailPassView
Nirsoft
UPX packed file
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-14 01:18
Signatures
ISR Stealer Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Isrstealer family
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-14 01:18
Reported
2022-03-14 01:21
Platform
win7-20220311-en
Max time kernel
4294181s
Max time network
124s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
"C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe"
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-14 01:18
Reported
2022-03-14 01:21
Platform
win10v2004-20220310-en
Max time kernel
114s
Max time network
156s
Command Line
Signatures
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Nirsoft
| 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 |
| 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 |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3484 set thread context of 1836 | N/A | C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe | C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe |
| PID 3484 set thread context of 4084 | N/A | C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe | C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
"C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe"
C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\n6wVDrpejn.ini"
C:\Users\Admin\AppData\Local\Temp\dc774e92cfce5db8e59c941d1bf667c89b52ed6d9ff881d8029368fbb41175b0.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\zdWMTkplfG.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | fstenc.com.kh | udp |
| US | 8.8.8.8:53 | licensing.mp.microsoft.com | udp |
| US | 20.223.25.224:443 | licensing.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | storesdk.dsx.mp.microsoft.com | udp |
| NL | 104.80.225.205:443 | storesdk.dsx.mp.microsoft.com | tcp |
| US | 20.223.25.224:443 | licensing.mp.microsoft.com | tcp |
| US | 20.223.25.224:443 | licensing.mp.microsoft.com | tcp |
| US | 20.223.25.224:443 | licensing.mp.microsoft.com | tcp |
Files
memory/1836-136-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1836-138-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1836-139-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\n6wVDrpejn.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/4084-141-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4084-143-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4084-144-0x0000000000400000-0x000000000041F000-memory.dmp