Analysis Overview
SHA256
83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5
Threat Level: Known bad
The file 83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5 was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Windows security bypass
UAC bypass
Windows security modification
Reads WinSCP keys stored on the system
Checks computer location settings
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
System policy modification
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-08 01:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-08 01:01
Reported
2024-04-08 01:04
Platform
win7-20240221-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
AgentTesla
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2684 set thread context of 2516 | N/A | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe
"C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe" -Force
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2684 -s 784
Network
Files
memory/2684-0-0x0000000000FF0000-0x000000000100E000-memory.dmp
memory/2684-1-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp
memory/2684-2-0x00000000009A0000-0x0000000000A20000-memory.dmp
memory/2684-3-0x0000000000C10000-0x0000000000CA6000-memory.dmp
memory/2516-8-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2516-9-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2316-14-0x0000000002070000-0x0000000002078000-memory.dmp
memory/2516-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2516-13-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2316-12-0x000000001B7A0000-0x000000001BA82000-memory.dmp
memory/2516-10-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2516-17-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2316-19-0x000007FEF1E60000-0x000007FEF27FD000-memory.dmp
memory/2316-21-0x0000000002880000-0x0000000002900000-memory.dmp
memory/2316-23-0x000007FEF1E60000-0x000007FEF27FD000-memory.dmp
memory/2516-20-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2316-25-0x0000000002880000-0x0000000002900000-memory.dmp
memory/2316-26-0x0000000002880000-0x0000000002900000-memory.dmp
memory/2316-27-0x0000000002880000-0x0000000002900000-memory.dmp
memory/2516-24-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2316-28-0x000007FEF1E60000-0x000007FEF27FD000-memory.dmp
memory/2684-29-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp
memory/2684-30-0x00000000009A0000-0x0000000000A20000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-08 01:01
Reported
2024-04-08 01:04
Platform
win10v2004-20231215-en
Max time kernel
90s
Max time network
126s
Command Line
Signatures
AgentTesla
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe = "0" | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe = "0" | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2884 set thread context of 3736 | N/A | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe
"C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\83a90b48a0d168e300e8d6aeb7a6b366aafc2a6ea11e7794c64edc82fdc8f0c5.exe" -Force
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/2884-0-0x00000237BE040000-0x00000237BE05E000-memory.dmp
memory/2884-1-0x00000237BFD90000-0x00000237BFE06000-memory.dmp
memory/2884-2-0x00007FF813AE0000-0x00007FF8145A1000-memory.dmp
memory/2884-3-0x00000237D86E0000-0x00000237D86F0000-memory.dmp
memory/2884-4-0x00000237BFBE0000-0x00000237BFBFE000-memory.dmp
memory/2884-5-0x00000237D8510000-0x00000237D85A6000-memory.dmp
memory/3736-6-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2272-17-0x00007FF813AE0000-0x00007FF8145A1000-memory.dmp
memory/2272-12-0x000001C03ED30000-0x000001C03ED52000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f5xuj2c5.gib.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3736-19-0x00000000054B0000-0x0000000005A54000-memory.dmp
memory/3736-18-0x00000000748C0000-0x0000000075070000-memory.dmp
memory/2272-21-0x000001C03CB40000-0x000001C03CB50000-memory.dmp
memory/2272-20-0x000001C03CB40000-0x000001C03CB50000-memory.dmp
memory/3736-22-0x0000000004F70000-0x0000000004FD6000-memory.dmp
memory/2272-25-0x00007FF813AE0000-0x00007FF8145A1000-memory.dmp
memory/2884-26-0x00007FF813AE0000-0x00007FF8145A1000-memory.dmp
memory/3736-27-0x0000000005E80000-0x0000000005ED0000-memory.dmp
memory/3736-28-0x0000000005F70000-0x0000000006002000-memory.dmp
memory/3736-29-0x0000000005F10000-0x0000000005F1A000-memory.dmp
memory/3736-30-0x00000000748C0000-0x0000000075070000-memory.dmp