Analysis Overview
SHA256
ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56
Threat Level: Known bad
The file ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer
ISR Stealer payload
Nirsoft
NirSoft MailPassView
UPX packed file
Checks computer location settings
Loads dropped DLL
Adds Run key to start application
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-01 22:36
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-01 22:36
Reported
2022-10-02 00:47
Platform
win7-20220812-en
Max time kernel
110s
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 |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.exe | N/A |
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\reg.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\XGdES9N8RW = "C:\\Users\\Admin\\AppData\\Roaming\\dGNIWZiH\\seb2plM.exe.lnk" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1948 set thread context of 908 | N/A | C:\Users\Admin\AppData\Local\Temp\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe |
| PID 908 set thread context of 1164 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe |
| PID 908 set thread context of 872 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.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\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.exe
"C:\Users\Admin\AppData\Local\Temp\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "XGdES9N8RW" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\dGNIWZiH\seb2plM.exe.lnk"
C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "XGdES9N8RW" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\dGNIWZiH\seb2plM.exe.lnk"
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\1dZsNcm1sb.ini"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\yTbI9GdHKa.ini"
Network
Files
memory/1948-54-0x0000000074F01000-0x0000000074F03000-memory.dmp
memory/1948-55-0x00000000743D0000-0x000000007497B000-memory.dmp
memory/1948-56-0x0000000000AF6000-0x0000000000B07000-memory.dmp
memory/1948-57-0x00000000743D0000-0x000000007497B000-memory.dmp
memory/1948-58-0x0000000000AF6000-0x0000000000B07000-memory.dmp
\Users\Admin\AppData\Roaming\dGNIWZiH\seb2plM.exe
| MD5 | d4bb706e3e461f1ccf390fc2fc786faf |
| SHA1 | 94b8dee04b501862d4b66f376a806ccaaebb4122 |
| SHA256 | ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56 |
| SHA512 | 384a5639ed3e9074600430183634ba7bd52b26190041241012970e164dc6f08e6b4eef5f8d4ba9ab4ff79ad01cd08ed93e7f7e0b62662a5cce80fb2b80dee3cb |
memory/1500-60-0x0000000000000000-mapping.dmp
memory/280-61-0x0000000000000000-mapping.dmp
memory/908-62-0x0000000000400000-0x0000000000442000-memory.dmp
memory/908-63-0x0000000000400000-0x0000000000442000-memory.dmp
memory/908-65-0x0000000000400000-0x0000000000442000-memory.dmp
memory/908-68-0x0000000000401180-mapping.dmp
memory/908-67-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1948-71-0x0000000000AF6000-0x0000000000B07000-memory.dmp
memory/1948-70-0x00000000743D0000-0x000000007497B000-memory.dmp
memory/1164-74-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1164-75-0x00000000004512E0-mapping.dmp
memory/1164-78-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1164-79-0x0000000000400000-0x0000000000453000-memory.dmp
memory/908-80-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1164-81-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1164-82-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\1dZsNcm1sb.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/872-85-0x000000000041C410-mapping.dmp
memory/872-84-0x0000000000400000-0x000000000041F000-memory.dmp
memory/872-88-0x0000000000400000-0x000000000041F000-memory.dmp
memory/872-89-0x0000000000400000-0x000000000041F000-memory.dmp
memory/872-90-0x0000000000400000-0x000000000041F000-memory.dmp
memory/872-91-0x0000000000400000-0x000000000041F000-memory.dmp
memory/908-92-0x0000000000400000-0x0000000000442000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-01 22:36
Reported
2022-10-02 00:47
Platform
win10v2004-20220812-en
Max time kernel
119s
Max time network
177s
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 |
| 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 |
| N/A | N/A | N/A | N/A |
| 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 |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.exe | N/A |
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\reg.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XGdES9N8RW = "C:\\Users\\Admin\\AppData\\Roaming\\dGNIWZiH\\seb2plM.exe.lnk" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4764 set thread context of 3796 | N/A | C:\Users\Admin\AppData\Local\Temp\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe |
| PID 3796 set thread context of 3500 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe |
| PID 3796 set thread context of 3812 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.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\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.exe
"C:\Users\Admin\AppData\Local\Temp\ac2cfb961139a24edca708958b6f6a72666f3f711696065435fcf169bee64a56.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "XGdES9N8RW" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\dGNIWZiH\seb2plM.exe.lnk"
C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "XGdES9N8RW" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\dGNIWZiH\seb2plM.exe.lnk"
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\dEU3zCj7jT.ini"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\XMNmOabcSk.ini"
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| DE | 51.116.253.168:443 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | 14.110.152.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | obi1.cwsurf.de | udp |
Files
memory/4764-132-0x0000000074D20000-0x00000000752D1000-memory.dmp
memory/4764-133-0x0000000074D20000-0x00000000752D1000-memory.dmp
memory/2864-134-0x0000000000000000-mapping.dmp
memory/2312-135-0x0000000000000000-mapping.dmp
memory/3796-136-0x0000000000000000-mapping.dmp
memory/3796-137-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4764-139-0x0000000074D20000-0x00000000752D1000-memory.dmp
memory/3796-142-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3500-143-0x0000000000000000-mapping.dmp
memory/3500-144-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3500-146-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3500-147-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3500-148-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\dEU3zCj7jT.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/3796-150-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3812-151-0x0000000000000000-mapping.dmp
memory/3812-152-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3812-154-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3812-155-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3812-156-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3812-157-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3796-158-0x0000000000400000-0x0000000000442000-memory.dmp