Analysis Overview
SHA256
26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6
Threat Level: Known bad
The file 26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer Payload
suricata: ET MALWARE ISRStealer Checkin
ISR Stealer
UPX packed file
Reads user/profile data of web browsers
Adds Run key to start application
Suspicious use of SetThreadContext
AutoIT Executable
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-16 07:04
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-16 07:04
Reported
2022-06-16 08:31
Platform
win7-20220414-en
Max time kernel
26s
Max time network
47s
Command Line
Signatures
ISR Stealer
ISR Stealer 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 |
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 |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe" | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1736 set thread context of 892 | N/A | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe |
| PID 892 set thread context of 1668 | N/A | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe |
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe
"C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe"
C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe
"C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe"
C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\oKKChhMrdO.ini"
Network
Files
memory/1736-54-0x00000000769D1000-0x00000000769D3000-memory.dmp
memory/892-55-0x0000000000400000-0x0000000000435000-memory.dmp
memory/892-56-0x0000000000400000-0x0000000000435000-memory.dmp
memory/892-58-0x0000000000400000-0x0000000000435000-memory.dmp
memory/892-60-0x0000000000400000-0x0000000000435000-memory.dmp
memory/892-61-0x0000000000401180-mapping.dmp
memory/1668-65-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1668-66-0x00000000004512E0-mapping.dmp
memory/1668-69-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1668-70-0x0000000000400000-0x0000000000453000-memory.dmp
memory/892-71-0x0000000000400000-0x0000000000435000-memory.dmp
memory/1668-72-0x0000000000400000-0x0000000000453000-memory.dmp
memory/892-73-0x0000000000400000-0x0000000000435000-memory.dmp
memory/1668-74-0x0000000000400000-0x0000000000453000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-16 07:04
Reported
2022-06-16 08:31
Platform
win10v2004-20220414-en
Max time kernel
90s
Max time network
144s
Command Line
Signatures
ISR Stealer
ISR Stealer 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 |
suricata: ET MALWARE ISRStealer Checkin
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 |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe" | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4428 set thread context of 4200 | N/A | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe |
| PID 4200 set thread context of 208 | N/A | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe |
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe
"C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe"
C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe
"C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe"
C:\Users\Admin\AppData\Local\Temp\26dacc4039fe46089565614caf19300700e2eae430ac8d7f0f71c3ba652396f6.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\nazre3kPxa.ini"
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | zeus-bot.cba.pl | udp |
| NL | 95.211.144.68:80 | zeus-bot.cba.pl | tcp |
| US | 20.44.10.122:443 | tcp | |
| NL | 8.248.7.254:80 | tcp | |
| NL | 8.248.7.254:80 | tcp |
Files
memory/4200-131-0x0000000000400000-0x0000000000435000-memory.dmp
memory/4200-130-0x0000000000000000-mapping.dmp
memory/208-136-0x0000000000400000-0x0000000000453000-memory.dmp
memory/208-135-0x0000000000000000-mapping.dmp
memory/208-138-0x0000000000400000-0x0000000000453000-memory.dmp
memory/208-139-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4200-140-0x0000000000400000-0x0000000000435000-memory.dmp
memory/208-141-0x0000000000400000-0x0000000000453000-memory.dmp
memory/208-142-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\nazre3kPxa.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/4200-144-0x0000000000400000-0x0000000000435000-memory.dmp