Analysis Overview
SHA256
91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00
Threat Level: Known bad
The file xIsAJb1izaR6.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Remcos family
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-09 04:05
Signatures
Remcos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-09 04:05
Reported
2024-05-09 04:07
Platform
win7-20240221-en
Max time kernel
147s
Max time network
145s
Command Line
Signatures
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 WebBrowserPassView
| 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 |
| 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 |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1812 set thread context of 3044 | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe |
| PID 1812 set thread context of 2600 | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe |
| PID 1812 set thread context of 2608 | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe
"C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe"
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe /stext "C:\Users\Admin\AppData\Local\Temp\ungellvldck"
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe /stext "C:\Users\Admin\AppData\Local\Temp\eptpedgerkckvn"
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe /stext "C:\Users\Admin\AppData\Local\Temp\pjyhfwqgfsupxucrg"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | dave17.bumbleshrimp.com | udp |
| NO | 185.206.225.59:52182 | dave17.bumbleshrimp.com | tcp |
| NO | 185.206.225.59:52182 | dave17.bumbleshrimp.com | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/2608-9-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2608-17-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2600-14-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2608-11-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3044-24-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2600-8-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3044-7-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3044-13-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2608-12-0x0000000000400000-0x0000000000424000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ungellvldck
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/3044-4-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3044-1-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2600-6-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2600-3-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2600-26-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1812-32-0x0000000010000000-0x0000000010019000-memory.dmp
memory/1812-31-0x0000000010000000-0x0000000010019000-memory.dmp
memory/1812-28-0x0000000010000000-0x0000000010019000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-09 04:05
Reported
2024-05-09 04:07
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Remcos
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 WebBrowserPassView
| 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 |
| 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 |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3528 set thread context of 3356 | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe |
| PID 3528 set thread context of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe |
| PID 3528 set thread context of 3720 | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe
"C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe"
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe /stext "C:\Users\Admin\AppData\Local\Temp\jdgy"
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe /stext "C:\Users\Admin\AppData\Local\Temp\uxmjgte"
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe
C:\Users\Admin\AppData\Local\Temp\xIsAJb1izaR6.exe /stext "C:\Users\Admin\AppData\Local\Temp\ezzbhmpbuj"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | dave17.bumbleshrimp.com | udp |
| NO | 185.206.225.59:52182 | dave17.bumbleshrimp.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.225.206.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| BE | 2.17.196.137:443 | www.bing.com | tcp |
| NO | 185.206.225.59:52182 | dave17.bumbleshrimp.com | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 137.196.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| BE | 2.17.196.137:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 213.143.182.52.in-addr.arpa | udp |
Files
memory/2984-3-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3720-5-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3356-1-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3720-17-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3720-23-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3720-19-0x0000000000430000-0x00000000004F9000-memory.dmp
memory/3356-11-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3356-16-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2984-15-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2984-14-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3356-12-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3720-7-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2984-10-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2984-9-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3356-26-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\jdgy
| MD5 | 788d7419b32411807cc6753cbbccecbe |
| SHA1 | 761b99a1e5bc168f525181d78cff3f6ed82daa14 |
| SHA256 | 76150e857b36f1f070422d2ad4df17f87454466348e4bfc158b028977378140b |
| SHA512 | 3003f104b0b07870015ff4e9e0d254c2e537d4c68ef664a772d7018827b0ccbeb5481a2ce587b88e6ab1d71d6ce523a620c11c00c676857d5fd5ab949fa617b4 |
memory/3528-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3528-33-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3528-32-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3528-29-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3528-35-0x0000000000400000-0x0000000000482000-memory.dmp