Analysis Overview
SHA256
ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618
Threat Level: Known bad
The file ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer payload
ISR Stealer
Nirsoft
NirSoft MailPassView
UPX packed file
Accesses Microsoft Outlook accounts
Adds Run key to start application
Suspicious use of SetThreadContext
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-02 11:55
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-02 11:55
Reported
2022-10-02 15:30
Platform
win7-20220812-en
Max time kernel
152s
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 |
NirSoft MailPassView
| Description | Indicator | Process | Target |
| 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 |
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 |
| N/A | N/A | N/A | N/A |
| 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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData\Local | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData\Local\Temp | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe" | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C: | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Users | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1184 set thread context of 948 | N/A | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe |
| PID 948 set thread context of 1204 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe |
| PID 948 set thread context of 568 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe
"C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\hs6hk20z2t.ini"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\lLK6rqjRTO.ini"
Network
Files
memory/1184-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp
memory/1184-55-0x0000000074300000-0x00000000748AB000-memory.dmp
memory/1184-56-0x0000000074300000-0x00000000748AB000-memory.dmp
memory/1184-57-0x0000000001F16000-0x0000000001F27000-memory.dmp
memory/948-58-0x0000000000400000-0x0000000000442000-memory.dmp
memory/948-59-0x0000000000400000-0x0000000000442000-memory.dmp
memory/948-61-0x0000000000400000-0x0000000000442000-memory.dmp
memory/948-63-0x0000000000400000-0x0000000000442000-memory.dmp
memory/948-64-0x0000000000401180-mapping.dmp
memory/948-68-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1204-69-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1204-70-0x00000000004512E0-mapping.dmp
memory/1204-73-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1204-74-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1204-75-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1204-76-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hs6hk20z2t.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/568-79-0x000000000041C410-mapping.dmp
memory/568-78-0x0000000000400000-0x000000000041F000-memory.dmp
memory/568-82-0x0000000000400000-0x000000000041F000-memory.dmp
memory/568-83-0x0000000000400000-0x000000000041F000-memory.dmp
memory/568-84-0x0000000000400000-0x000000000041F000-memory.dmp
memory/948-85-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1184-86-0x0000000001F16000-0x0000000001F27000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-02 11:55
Reported
2022-10-02 15:31
Platform
win10v2004-20220901-en
Max time kernel
152s
Max time network
154s
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 |
NirSoft MailPassView
| Description | Indicator | Process | Target |
| 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 |
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 |
| 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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData\Local\Temp | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe" | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C: | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C:\Users | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData\Local | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3792 set thread context of 2592 | N/A | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe |
| PID 2592 set thread context of 1184 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe |
| PID 2592 set thread context of 2800 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe
"C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\hBCCmETPJN.ini"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\9J1GXCWZVv.ini"
Network
| Country | Destination | Domain | Proto |
| BE | 8.238.110.126:80 | tcp | |
| US | 8.8.8.8:53 | mamislimen.1x.biz | udp |
| FI | 95.217.58.108:80 | mamislimen.1x.biz | tcp |
| US | 8.8.8.8:53 | subdomain.com | udp |
| FI | 95.217.58.108:443 | subdomain.com | tcp |
Files
memory/3792-132-0x00000000754A0000-0x0000000075A51000-memory.dmp
memory/3792-133-0x00000000754A0000-0x0000000075A51000-memory.dmp
memory/2592-134-0x0000000000000000-mapping.dmp
memory/2592-135-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2592-138-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1184-140-0x0000000000000000-mapping.dmp
memory/1184-141-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1184-143-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1184-144-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1184-145-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hBCCmETPJN.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/2800-147-0x0000000000000000-mapping.dmp
memory/2800-148-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2800-150-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2800-151-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2800-152-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2592-153-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2592-154-0x0000000000400000-0x0000000000442000-memory.dmp