Analysis Overview
SHA256
9c2c62d4c59900ffbaa1d74d0f9694efcb20e82321646568c2fd7b2345fb3b3c
Threat Level: Known bad
The file d38f179b057a7dd91cdca34db51a0c08 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer
ISR Stealer payload
UPX packed file
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-18 12:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-18 12:50
Reported
2024-03-18 12:53
Platform
win7-20231129-en
Max time kernel
119s
Max time network
120s
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 |
Reads user/profile data of web browsers
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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2392 set thread context of 2616 | N/A | C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe | C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe |
| PID 2616 set thread context of 3032 | N/A | C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe | C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe
"C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe"
C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe
"C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe"
C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\FWFv1FElSQ.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | stuffree.info | udp |
Files
memory/2616-0-0x0000000000400000-0x0000000000435000-memory.dmp
memory/2616-2-0x0000000000400000-0x0000000000435000-memory.dmp
memory/2616-4-0x0000000000400000-0x0000000000435000-memory.dmp
memory/2616-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2616-8-0x0000000000400000-0x0000000000435000-memory.dmp
memory/3032-13-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2616-14-0x0000000000400000-0x0000000000435000-memory.dmp
memory/3032-16-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3032-17-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3032-18-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3032-20-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\FWFv1FElSQ.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/2616-23-0x0000000000400000-0x0000000000435000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-18 12:50
Reported
2024-03-18 12:53
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
151s
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 |
Reads user/profile data of web browsers
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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2200 set thread context of 2120 | N/A | C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe | C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe |
| PID 2120 set thread context of 3976 | N/A | C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe | C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe
"C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe"
C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe
"C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe"
C:\Users\Admin\AppData\Local\Temp\d38f179b057a7dd91cdca34db51a0c08.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\ipH0FH4OyX.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 202.178.17.96.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | stuffree.info | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.178.17.96.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 | 50.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 181.178.17.96.in-addr.arpa | udp |
| GB | 96.17.178.181:80 | tcp |
Files
memory/2120-0-0x0000000000400000-0x0000000000435000-memory.dmp
memory/2120-2-0x0000000000400000-0x0000000000435000-memory.dmp
memory/3976-5-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3976-7-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3976-8-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3976-9-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3976-11-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ipH0FH4OyX.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/2120-14-0x0000000000400000-0x0000000000435000-memory.dmp