Analysis Overview
SHA256
91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00
Threat Level: Known bad
The file 91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe was found to be: Known bad.
Malicious Activity Summary
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Remcos family
Nirsoft
NirSoft MailPassView
NirSoft WebBrowserPassView
Detects executables referencing many email and collaboration clients. Observed in information stealers
Detects executables built or packed with MPress PE compressor
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-10 01:40
Signatures
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Remcos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-10 01:40
Reported
2024-05-10 01:42
Platform
win7-20240419-en
Max time kernel
147s
Max time network
146s
Command Line
Signatures
Detects executables built or packed with MPress PE compressor
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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Detects executables referencing many email and collaboration clients. Observed in information stealers
| 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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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 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 |
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Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2248 set thread context of 2968 | N/A | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe |
| PID 2248 set thread context of 2432 | N/A | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe |
| PID 2248 set thread context of 2620 | N/A | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe | N/A |
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe
"C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe"
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe /stext "C:\Users\Admin\AppData\Local\Temp\iboonntpcjpzcgabfkcgk"
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe /stext "C:\Users\Admin\AppData\Local\Temp\kwbzoydiqshemmofovpincup"
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe /stext "C:\Users\Admin\AppData\Local\Temp\vqgroqokeazrpskrfgjbyhhgcke"
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 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| NO | 185.206.225.59:52182 | dave17.bumbleshrimp.com | tcp |
Files
memory/2968-2-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2432-3-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2620-13-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2620-16-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2620-17-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2620-15-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2968-12-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2432-11-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2432-10-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2968-9-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2968-8-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2432-7-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2968-6-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2432-5-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2620-20-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2968-25-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\iboonntpcjpzcgabfkcgk
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/2432-28-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2248-30-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2248-34-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2248-33-0x0000000010000000-0x0000000010019000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-10 01:40
Reported
2024-05-10 01:42
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
146s
Command Line
Signatures
Detects executables built or packed with MPress PE compressor
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects executables referencing many email and collaboration clients. Observed in information stealers
| 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 |
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| 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-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4536 set thread context of 2844 | N/A | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe |
| PID 4536 set thread context of 3336 | N/A | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe |
| PID 4536 set thread context of 3176 | N/A | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe
"C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe"
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe /stext "C:\Users\Admin\AppData\Local\Temp\utcypkufrx"
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe /stext "C:\Users\Admin\AppData\Local\Temp\fnhricnzefihy"
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe
C:\Users\Admin\AppData\Local\Temp\91e4bb8408db1e54d407d1859cbdde5c9df1a70c755474b5c7542ad661e30d00.exe /stext "C:\Users\Admin\AppData\Local\Temp\hpmjjvyaanaujlza"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | dave17.bumbleshrimp.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| NO | 185.206.225.59:52182 | dave17.bumbleshrimp.com | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.225.206.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| NO | 185.206.225.59:52182 | dave17.bumbleshrimp.com | tcp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| BE | 2.17.196.137:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 137.196.17.2.in-addr.arpa | udp |
| BE | 2.17.196.177:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 177.196.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/2844-1-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3336-6-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2844-4-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3176-13-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3176-19-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3176-22-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3176-23-0x00007FF945A30000-0x00007FF945C25000-memory.dmp
memory/3176-20-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3336-12-0x00007FF945A30000-0x00007FF945C25000-memory.dmp
memory/2844-11-0x00007FF945A30000-0x00007FF945C25000-memory.dmp
memory/3336-10-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3336-9-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2844-8-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3336-7-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2844-26-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\utcypkufrx
| MD5 | a35b8711bea28d54fb7a350adceb3f76 |
| SHA1 | 5872d7a95a74ec6de08194283027fcf2cdb96390 |
| SHA256 | a90449e696cb37fa289ab8dcd0888734c74d0b61273231a0ce0e93adfd2d8137 |
| SHA512 | d997e0ace25eff648f16395a4771402465b39fa059d3b0f36efbd743c691bf4308c58d5585e3aebc63c206d18d01edf46f14b0cb5cffe6f1d5bf9132d76d9210 |
memory/4536-29-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4536-33-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4536-32-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4536-34-0x00007FF945A30000-0x00007FF945C25000-memory.dmp