Analysis Overview
SHA256
4b4138636d2afe18abff9cde7681abb2c6c16bdf1e21d665eb1fa7b6f6f1b447
Threat Level: Known bad
The file 4b4138636d2afe18abff9cde7681abb2c6c16bdf1e21d665eb1fa7b6f6f1b447 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer
ISR Stealer payload
NirSoft MailPassView
Nirsoft
UPX packed file
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-10-20 20:20
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-20 20:20
Reported
2022-10-20 23:18
Platform
win7-20220901-en
Max time kernel
76s
Max time network
141s
Command Line
Signatures
ISR Stealer
ISR Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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NirSoft MailPassView
| 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 |
Nirsoft
| 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 |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1468 set thread context of 1388 | N/A | C:\Users\Admin\AppData\Local\Temp\4b4138636d2afe18abff9cde7681abb2c6c16bdf1e21d665eb1fa7b6f6f1b447.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 1388 set thread context of 464 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 1388 set thread context of 436 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\svchost.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4b4138636d2afe18abff9cde7681abb2c6c16bdf1e21d665eb1fa7b6f6f1b447.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4b4138636d2afe18abff9cde7681abb2c6c16bdf1e21d665eb1fa7b6f6f1b447.exe
"C:\Users\Admin\AppData\Local\Temp\4b4138636d2afe18abff9cde7681abb2c6c16bdf1e21d665eb1fa7b6f6f1b447.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
C:\Windows\SysWOW64\svchost.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\Q4RvMJrOqJ.ini"
C:\Windows\SysWOW64\svchost.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\zXCCK3IEcJ.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | deman.netai.net | udp |
| US | 153.92.0.100:80 | deman.netai.net | tcp |
| US | 8.8.8.8:53 | www.000webhost.com | udp |
| US | 104.19.185.120:443 | www.000webhost.com | tcp |
Files
memory/1468-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp
memory/1468-55-0x0000000074F30000-0x00000000754DB000-memory.dmp
memory/1468-56-0x0000000074F30000-0x00000000754DB000-memory.dmp
memory/1388-57-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1388-58-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1388-60-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1388-62-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1388-63-0x0000000000401180-mapping.dmp
memory/1468-68-0x0000000074F30000-0x00000000754DB000-memory.dmp
memory/464-69-0x0000000000400000-0x0000000000453000-memory.dmp
memory/464-70-0x00000000004512E0-mapping.dmp
memory/464-73-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1388-74-0x0000000000400000-0x0000000000442000-memory.dmp
memory/464-75-0x0000000000400000-0x0000000000453000-memory.dmp
memory/464-76-0x0000000000400000-0x0000000000453000-memory.dmp
memory/464-77-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Q4RvMJrOqJ.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/436-80-0x0000000000400000-0x000000000041F000-memory.dmp
memory/436-81-0x000000000041C410-mapping.dmp
memory/436-84-0x0000000000400000-0x000000000041F000-memory.dmp
memory/436-85-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1388-86-0x0000000000400000-0x0000000000442000-memory.dmp
memory/436-87-0x0000000000400000-0x000000000041F000-memory.dmp
memory/436-88-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1388-89-0x0000000000400000-0x0000000000442000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-20 20:20
Reported
2022-10-20 23:19
Platform
win10v2004-20220812-en
Max time kernel
143s
Max time network
169s
Command Line
Signatures
ISR Stealer
ISR Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4412 set thread context of 3364 | N/A | C:\Users\Admin\AppData\Local\Temp\4b4138636d2afe18abff9cde7681abb2c6c16bdf1e21d665eb1fa7b6f6f1b447.exe | C:\Windows\SysWOW64\svchost.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4b4138636d2afe18abff9cde7681abb2c6c16bdf1e21d665eb1fa7b6f6f1b447.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4b4138636d2afe18abff9cde7681abb2c6c16bdf1e21d665eb1fa7b6f6f1b447.exe
"C:\Users\Admin\AppData\Local\Temp\4b4138636d2afe18abff9cde7681abb2c6c16bdf1e21d665eb1fa7b6f6f1b447.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 20.189.173.10:443 | tcp | |
| US | 8.253.208.113:80 | tcp | |
| US | 8.253.208.113:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 176.122.125.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | a.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa | udp |
Files
memory/4412-132-0x0000000074880000-0x0000000074E31000-memory.dmp
memory/4412-133-0x0000000074880000-0x0000000074E31000-memory.dmp
memory/3364-134-0x0000000000000000-mapping.dmp
memory/3364-136-0x0000000000600000-0x0000000000642000-memory.dmp
memory/4412-138-0x0000000074880000-0x0000000074E31000-memory.dmp