Analysis Overview
SHA256
a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938
Threat Level: Known bad
The file a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer payload
ISR Stealer
NirSoft MailPassView
Nirsoft
UPX packed file
Reads user/profile data of web browsers
Checks computer location settings
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Enumerates physical storage devices
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: RenamesItself
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-03 02:33
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-03 02:33
Reported
2022-10-03 07:58
Platform
win7-20220812-en
Max time kernel
100s
Max time network
46s
Command Line
Signatures
ISR Stealer
ISR Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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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 |
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| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1020 set thread context of 1656 | N/A | C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe | C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe |
| PID 1656 set thread context of 676 | N/A | C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe | C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe |
| PID 1656 set thread context of 0 | N/A | C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe | N/A |
| PID 1432 set thread context of 2012 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe
"C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe"
C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe
"C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe"
C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\zzswFjKsuj.ini"
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe"
Network
Files
memory/1020-54-0x0000000075571000-0x0000000075573000-memory.dmp
memory/1020-55-0x00000000740E0000-0x000000007468B000-memory.dmp
memory/1020-56-0x00000000740E0000-0x000000007468B000-memory.dmp
memory/1656-57-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1656-58-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1656-60-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1656-62-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1656-63-0x0000000000401180-mapping.dmp
memory/676-68-0x0000000000400000-0x0000000000453000-memory.dmp
memory/676-69-0x00000000004512E0-mapping.dmp
memory/676-72-0x0000000000400000-0x0000000000453000-memory.dmp
memory/676-73-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1656-74-0x0000000000400000-0x0000000000442000-memory.dmp
memory/676-75-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1432-76-0x0000000000000000-mapping.dmp
memory/1020-78-0x00000000740E0000-0x000000007468B000-memory.dmp
memory/1432-79-0x00000000740E0000-0x000000007468B000-memory.dmp
memory/676-80-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\zzswFjKsuj.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/0-82-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1656-83-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1432-84-0x00000000740E0000-0x000000007468B000-memory.dmp
memory/1656-85-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2012-92-0x0000000000401180-mapping.dmp
memory/1432-95-0x00000000740E0000-0x000000007468B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-03 02:33
Reported
2022-10-03 07:58
Platform
win10v2004-20220812-en
Max time kernel
176s
Max time network
189s
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 |
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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 |
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 |
| 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 |
| 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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| 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\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.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:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe | N/A |
Suspicious use of SetThreadContext
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe
"C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe"
C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe
"C:\Users\Admin\AppData\Local\Temp\a59fc076ac2252e6c8c07c7c4b9a14fc7811f1535c565a2c520a417ee698a938.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\mTrjg3Vner.ini"
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\Wnsnm1M8e2.ini"
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 756 -ip 756
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\ZSmMfRE0wL.ini"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3204 -ip 3204
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 80
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 80
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\l5oZl9nMFK.ini"
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| FR | 40.79.150.121:443 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| US | 8.8.8.8:53 | 96.108.152.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | d.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa | udp |
Files
memory/1004-132-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/1004-133-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/4864-134-0x0000000000000000-mapping.dmp
memory/4864-135-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4864-137-0x0000000000400000-0x0000000000442000-memory.dmp
memory/0-140-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4828-141-0x0000000000000000-mapping.dmp
memory/4864-142-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1004-143-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/4828-144-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/4864-145-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4828-146-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/0-147-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4864-148-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4632-149-0x0000000000000000-mapping.dmp
memory/756-155-0x0000000000000000-mapping.dmp
memory/4632-157-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2976-158-0x0000000000000000-mapping.dmp
memory/2976-159-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4632-160-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3128-161-0x0000000000000000-mapping.dmp
memory/2976-166-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3128-165-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2976-168-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3128-170-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2976-171-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3204-172-0x0000000000000000-mapping.dmp
memory/4828-174-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/4216-175-0x0000000000000000-mapping.dmp
memory/4216-178-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4216-179-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4216-180-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3128-181-0x0000000000400000-0x0000000000442000-memory.dmp