Analysis Overview
SHA256
f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df
Threat Level: Known bad
The file f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df was found to be: Known bad.
Malicious Activity Summary
ISR Stealer
ISR Stealer Payload
NirSoft WebBrowserPassView
NirSoft MailPassView
Nirsoft
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 AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-13 09:33
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-13 09:33
Reported
2022-03-13 09:35
Platform
win7-20220310-en
Max time kernel
4294183s
Max time network
125s
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 |
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 |
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 |
| 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 |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df.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\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-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 536 set thread context of 1660 | N/A | C:\Users\Admin\AppData\Local\Temp\f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df.exe | C:\Users\Admin\AppData\Local\Temp\cvtres.exe |
| PID 1660 set thread context of 1904 | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | C:\Users\Admin\AppData\Local\Temp\cvtres.exe |
| PID 1904 set thread context of 1896 | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | C:\Users\Admin\AppData\Local\Temp\cvtres.exe |
| PID 1904 set thread context of 1712 | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | C:\Users\Admin\AppData\Local\Temp\cvtres.exe |
| PID 1904 set thread context of 1576 | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.exe | C:\Users\Admin\AppData\Local\Temp\cvtres.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df.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\cvtres.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\cvtres.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\f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df.exe
"C:\Users\Admin\AppData\Local\Temp\f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df.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:\Users\Admin\AppData\Local\Temp\cvtres.exe
"C:\Users\Admin\AppData\Local\Temp\cvtres.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
"C:\Users\Admin\AppData\Local\Temp\cvtres.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.rampymc.binhoster.com | udp |
Files
memory/536-54-0x0000000076141000-0x0000000076143000-memory.dmp
memory/536-55-0x0000000074B90000-0x000000007513B000-memory.dmp
memory/536-56-0x0000000000500000-0x0000000000501000-memory.dmp
memory/536-57-0x0000000074B90000-0x000000007513B000-memory.dmp
\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/1660-59-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1660-61-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1660-63-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1660-65-0x0000000000400000-0x0000000000470000-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/1904-72-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1904-74-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1904-76-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1904-78-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1904-80-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1904-82-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1904-84-0x0000000000400000-0x000000000045F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/1904-86-0x0000000000400000-0x000000000045F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/1904-88-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1904-89-0x0000000000400000-0x000000000045F000-memory.dmp
\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/1896-91-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1896-93-0x0000000000400000-0x0000000000454000-memory.dmp
\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/1712-97-0x0000000000400000-0x0000000000426000-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 |
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/1712-100-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1576-104-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1576-106-0x0000000000400000-0x000000000041F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\cvtres.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/1712-113-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1896-112-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1576-114-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1712-116-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1576-115-0x0000000000400000-0x000000000041F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-13 09:33
Reported
2022-03-13 09:35
Platform
win10v2004-en-20220113
Max time kernel
138s
Max time network
154s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1928 wrote to memory of 1996 | N/A | C:\Users\Admin\AppData\Local\Temp\f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 1928 wrote to memory of 1996 | N/A | C:\Users\Admin\AppData\Local\Temp\f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 1928 wrote to memory of 1996 | N/A | C:\Users\Admin\AppData\Local\Temp\f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 1996 wrote to memory of 2692 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
| PID 1996 wrote to memory of 2692 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
Processes
C:\Users\Admin\AppData\Local\Temp\f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df.exe
"C:\Users\Admin\AppData\Local\Temp\f47c8f408d8b654fb111d22937ad2445a6b2deeb3b6008a23a54d9520ca6c5df.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
Network
| Country | Destination | Domain | Proto |
| US | 72.21.81.240:80 | tcp | |
| US | 72.21.81.240:80 | tcp |