Analysis Overview
SHA256
98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f
Threat Level: Known bad
The file 98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f was found to be: Known bad.
Malicious Activity Summary
ISR Stealer Payload
ISR Stealer
NirSoft WebBrowserPassView
Nirsoft
NirSoft MailPassView
UPX packed file
Executes dropped EXE
Reads data files stored by FTP clients
Loads dropped DLL
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-12 05:57
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-12 05:57
Reported
2022-03-12 06:34
Platform
win7-20220311-en
Max time kernel
4294179s
Max time network
122s
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 |
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| 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 |
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | 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 |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1776 set thread context of 1680 | N/A | C:\Users\Admin\AppData\Local\Temp\98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f.exe | C:\Users\Admin\AppData\Local\Temp\cvtres.exe |
| PID 1680 set thread context of 512 | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | C:\Users\Admin\AppData\Local\Temp\cvtres.exe |
| PID 512 set thread context of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | C:\Users\Admin\AppData\Local\Temp\cvtres.exe |
| PID 512 set thread context of 1508 | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 512 set thread context of 1320 | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | C:\Windows\SysWOW64\svchost.exe |
Enumerates physical storage devices
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f.exe
"C:\Users\Admin\AppData\Local\Temp\98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f.exe"
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
C:\Users\Admin\AppData\Local\Temp\\cvtres.exe
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
"C:\Users\Admin\AppData\Local\Temp\cvtres.exe"
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
"C:\Users\Admin\AppData\Local\Temp\cvtres.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
C:\Windows\SysWOW64\svchost.exe
"C:\Windows\System32\svchost.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp
C:\Windows\SysWOW64\svchost.exe
"C:\Windows\System32\svchost.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | coucoucaymoi10.site90.com | udp |
| US | 153.92.0.100:80 | coucoucaymoi10.site90.com | tcp |
| US | 8.8.8.8:53 | www.000webhost.com | udp |
| US | 104.19.184.120:443 | www.000webhost.com | tcp |
| US | 93.184.220.29:80 | tcp |
Files
memory/1776-54-0x0000000075C41000-0x0000000075C43000-memory.dmp
memory/1776-55-0x0000000074E10000-0x00000000753BB000-memory.dmp
memory/1776-56-0x0000000000290000-0x0000000000291000-memory.dmp
memory/1776-57-0x0000000074E10000-0x00000000753BB000-memory.dmp
\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/1680-59-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1680-61-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1680-63-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1680-65-0x0000000000400000-0x0000000000470000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/512-72-0x0000000000400000-0x000000000045F000-memory.dmp
memory/512-74-0x0000000000400000-0x000000000045F000-memory.dmp
memory/512-76-0x0000000000400000-0x000000000045F000-memory.dmp
memory/512-78-0x0000000000400000-0x000000000045F000-memory.dmp
memory/512-80-0x0000000000400000-0x000000000045F000-memory.dmp
memory/512-82-0x0000000000400000-0x000000000045F000-memory.dmp
memory/512-84-0x0000000000400000-0x000000000045F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/512-86-0x0000000000400000-0x000000000045F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/512-88-0x0000000000400000-0x000000000045F000-memory.dmp
memory/512-90-0x0000000000400000-0x000000000045F000-memory.dmp
\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/512-92-0x0000000000230000-0x0000000000231000-memory.dmp
memory/512-93-0x0000000000622000-0x0000000000624000-memory.dmp
memory/2044-95-0x0000000000400000-0x0000000000454000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/2044-97-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2044-101-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1508-102-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1320-108-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1508-109-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1508-107-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1508-111-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1508-104-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1320-112-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1320-115-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1320-116-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1320-117-0x0000000000400000-0x000000000041F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-12 05:57
Reported
2022-03-12 06:34
Platform
win10v2004-en-20220113
Max time kernel
152s
Max time network
157s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1388 wrote to memory of 1484 | N/A | C:\Users\Admin\AppData\Local\Temp\98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 1388 wrote to memory of 1484 | N/A | C:\Users\Admin\AppData\Local\Temp\98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 1388 wrote to memory of 1484 | N/A | C:\Users\Admin\AppData\Local\Temp\98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 1484 wrote to memory of 2244 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
| PID 1484 wrote to memory of 2244 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
Processes
C:\Users\Admin\AppData\Local\Temp\98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f.exe
"C:\Users\Admin\AppData\Local\Temp\98ef2ef656e87c35a07d919b391f3f772cc4d4ae0c1a9c67290e89b206677e6f.exe"
C:\Windows\SysWOW64\fondue.exe
"C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll
C:\Windows\system32\FonDUE.EXE
"C:\Windows\sysnative\FonDUE.EXE" /enable-feature:NetFx3 /caller-name:mscoreei.dll