Analysis Overview
SHA256
9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84
Threat Level: Known bad
The file 9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84 was found to be: Known bad.
Malicious Activity Summary
UAC bypass
Windows security bypass
XpertRAT Core Payload
XpertRAT
NirSoft MailPassView
Nirsoft
NirSoft WebBrowserPassView
UPX packed file
Adds policy Run key to start application
Windows security modification
Deletes itself
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Enumerates physical storage devices
System policy modification
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-10-04 14:55
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-10-04 14:55
Reported
2021-10-04 14:57
Platform
win10v20210408
Max time kernel
70s
Max time network
138s
Command Line
Signatures
UAC bypass
Windows security bypass
XpertRAT
XpertRAT Core 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 |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0 = "C:\\Users\\Admin\\AppData\\Roaming\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.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 |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\notepad.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" | C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0 = "C:\\Users\\Admin\\AppData\\Roaming\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0 = "C:\\Users\\Admin\\AppData\\Roaming\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
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\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe | N/A |
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.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\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe
"C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 10
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 10
C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe
C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe
C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe
C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe
C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe
C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe
C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe
C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe
C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84.exe
C:\Windows\SysWOW64\notepad.exe
notepad.exe
C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\znzanztle0.txt"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\znzanztle1.txt"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\znzanztle2.txt"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\znzanztle3.txt"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\znzanztle4.txt"
Network
| Country | Destination | Domain | Proto |
| RU | 92.38.129.26:426 | tcp | |
| NL | 193.56.146.41:426 | tcp | |
| NL | 193.56.146.43:426 | tcp | |
| RU | 77.222.55.43:426 | tcp | |
| US | 199.192.145.184:25 | tcp | |
| US | 23.229.153.71:25 | tcp | |
| NL | 31.13.64.52:443 | tcp | |
| NL | 193.56.146.42:426 | tcp | |
| BG | 213.91.128.133:10060 | tcp | |
| DE | 185.49.68.143:426 | tcp | |
| FR | 51.254.72.129:25 | tcp | |
| DE | 46.4.12.146:25 | tcp | |
| US | 8.8.8.8:53 | store2.gofile.io | udp |
| FR | 31.14.69.10:443 | store2.gofile.io | tcp |
| US | 8.8.8.8:53 | kapasky-antivirus.firewall-gateway.net | udp |
| FR | 91.121.250.249:4000 | kapasky-antivirus.firewall-gateway.net | tcp |
| FR | 91.121.250.249:4000 | kapasky-antivirus.firewall-gateway.net | tcp |
| FR | 91.121.250.249:4000 | kapasky-antivirus.firewall-gateway.net | tcp |
Files
memory/664-114-0x0000000000850000-0x0000000000851000-memory.dmp
memory/376-116-0x0000000000000000-mapping.dmp
memory/376-119-0x00000000049A0000-0x00000000049A1000-memory.dmp
memory/376-120-0x0000000007460000-0x0000000007461000-memory.dmp
memory/376-121-0x0000000004A70000-0x0000000004A71000-memory.dmp
memory/376-122-0x0000000004A72000-0x0000000004A73000-memory.dmp
memory/376-123-0x00000000072E0000-0x00000000072E1000-memory.dmp
memory/376-124-0x0000000007B00000-0x0000000007B01000-memory.dmp
memory/376-125-0x0000000007C70000-0x0000000007C71000-memory.dmp
memory/376-126-0x0000000007DD0000-0x0000000007DD1000-memory.dmp
memory/376-127-0x0000000007DA0000-0x0000000007DA1000-memory.dmp
memory/376-128-0x00000000086A0000-0x00000000086A1000-memory.dmp
memory/376-129-0x00000000084F0000-0x00000000084F1000-memory.dmp
memory/376-134-0x0000000009A00000-0x0000000009A01000-memory.dmp
memory/376-135-0x0000000009170000-0x0000000009171000-memory.dmp
memory/2284-137-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
| MD5 | 66382a4ca6c4dcf75ce41417d44be93e |
| SHA1 | 8132cbef1c12f8a89a68a6153ade4286bf130812 |
| SHA256 | a70acce0f4c6ab59b88ce79d84c38d4abffe19b72b033250499b17d788a2db56 |
| SHA512 | 2bf66f2850f4a65220085c55a5b3c8866453104d78fe516e5bd6e3e47df783062ce4ea10de580f2eb0274ac8c3ce71965201c49ef55a78f307731ccc8600aadc |
memory/376-147-0x0000000004A73000-0x0000000004A74000-memory.dmp
memory/2284-148-0x00000000010D0000-0x00000000010D1000-memory.dmp
memory/2284-149-0x00000000010D2000-0x00000000010D3000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | b4821eabebcec7042a448bd51c62a017 |
| SHA1 | e40827e39346f55e9b06c9e7b94519e9a9e37095 |
| SHA256 | e8febcc4e368a4003407b101bff5a97518335e6eae6a359df95cea7e7fb54ef5 |
| SHA512 | 33caf76b86b70c6c705da3df6bd84bd2d880f0217551989996ce2a8764126d894b7e0375057f0dc1eed41c982dd4e1137596228791cfd3edc3b755cbf16a22be |
memory/2284-161-0x00000000010D3000-0x00000000010D4000-memory.dmp
memory/664-162-0x0000000005CD0000-0x0000000005CD1000-memory.dmp
memory/664-163-0x00000000061E0000-0x000000000631E000-memory.dmp
memory/664-164-0x0000000005C60000-0x0000000005C90000-memory.dmp
memory/1148-165-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1148-166-0x00000000004010B8-mapping.dmp
memory/1704-169-0x0000000000400000-0x0000000000443000-memory.dmp
memory/1704-170-0x0000000000401364-mapping.dmp
memory/1704-173-0x0000000003280000-0x00000000033D3000-memory.dmp
memory/1704-174-0x0000000003281000-0x000000000337D000-memory.dmp
memory/1148-176-0x0000000000400000-0x000000000042C000-memory.dmp
memory/2528-178-0x0000000000000000-mapping.dmp
memory/3696-179-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3696-180-0x0000000000423BC0-mapping.dmp
memory/3756-184-0x0000000000411654-mapping.dmp
memory/3756-183-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2788-187-0x0000000000400000-0x0000000000459000-memory.dmp
memory/2788-188-0x0000000000442F04-mapping.dmp
C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\znzanztle2.txt
| MD5 | f94dc819ca773f1e3cb27abbc9e7fa27 |
| SHA1 | 9a7700efadc5ea09ab288544ef1e3cd876255086 |
| SHA256 | a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92 |
| SHA512 | 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196 |
memory/2372-193-0x0000000000413750-mapping.dmp
memory/2372-192-0x0000000000400000-0x0000000000416000-memory.dmp
memory/2696-196-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2696-197-0x000000000040C2A8-mapping.dmp
C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\znzanztle4.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |