Analysis Overview
SHA256
84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40
Threat Level: Known bad
The file 84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40 was found to be: Known bad.
Malicious Activity Summary
Isrstealer family
ISR Stealer Payload
UPX packed file
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-08 14:24
Signatures
ISR Stealer Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Isrstealer family
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-08 14:24
Reported
2022-03-08 14:27
Platform
win7-20220223-en
Max time kernel
4294177s
Max time network
120s
Command Line
Signatures
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 |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1680 set thread context of 768 | N/A | C:\Users\Admin\AppData\Local\Temp\84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40.exe | C:\Users\Admin\AppData\Local\Temp\84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40.exe
"C:\Users\Admin\AppData\Local\Temp\84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40.exe"
C:\Users\Admin\AppData\Local\Temp\84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
Network
Files
memory/768-56-0x0000000000400000-0x0000000000453000-memory.dmp
memory/768-58-0x0000000075D71000-0x0000000075D73000-memory.dmp
memory/768-59-0x0000000000400000-0x0000000000453000-memory.dmp
memory/768-60-0x0000000000400000-0x0000000000453000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-08 14:24
Reported
2022-03-08 14:27
Platform
win10v2004-en-20220112
Max time kernel
61s
Max time network
153s
Command Line
Signatures
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 |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3312 set thread context of 3884 | N/A | C:\Users\Admin\AppData\Local\Temp\84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40.exe | C:\Users\Admin\AppData\Local\Temp\84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40.exe
"C:\Users\Admin\AppData\Local\Temp\84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40.exe"
C:\Users\Admin\AppData\Local\Temp\84adb2ffc46865d153e2704ad2413ce2980c28d2eb018461975d94c39180ae40.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| US | 52.143.86.214:443 | geo.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | kv801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | kv801.prod.do.dsp.mp.microsoft.com | tcp |
| NL | 184.29.205.60:443 | kv801.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | cp801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
Files
memory/3884-132-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3884-134-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3884-135-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |