Analysis
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max time kernel
146s -
max time network
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platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
22-09-2021 06:24
Static task
static1
Behavioral task
behavioral1
Sample
49af0abba03a7d559171f378728e9bc7.exe
Resource
win7-en-20210920
General
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Target
49af0abba03a7d559171f378728e9bc7.exe
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Size
33KB
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MD5
49af0abba03a7d559171f378728e9bc7
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SHA1
7e6e1ccf693bb62f2a36119996583228a9e5c665
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SHA256
bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b
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SHA512
d155349a6dae76775b26a96ec00a8dc860749eb46450c6dcc479303afa01325b1fb31b41c8adac3cbabb2b17c7b23a6768949a8bf5221c3edee0a25082e71a8f
Malware Config
Extracted
xpertrat
3.0.10
Test
kapasky-antivirus.firewall-gateway.net:4000
L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0
Signatures
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XpertRAT Core Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/288-71-0x0000000000400000-0x0000000000443000-memory.dmp xpertrat behavioral1/memory/288-72-0x0000000000401364-mapping.dmp xpertrat -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1160-82-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1160-83-0x0000000000411654-mapping.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1348-85-0x0000000000400000-0x0000000000459000-memory.dmp WebBrowserPassView behavioral1/memory/1348-86-0x0000000000442F04-mapping.dmp WebBrowserPassView -
Nirsoft 7 IoCs
Processes:
resource yara_rule behavioral1/memory/936-80-0x0000000000423BC0-mapping.dmp Nirsoft behavioral1/memory/1160-82-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1160-83-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1348-85-0x0000000000400000-0x0000000000459000-memory.dmp Nirsoft behavioral1/memory/1348-86-0x0000000000442F04-mapping.dmp Nirsoft behavioral1/memory/1780-92-0x0000000000400000-0x0000000000415000-memory.dmp Nirsoft behavioral1/memory/1780-93-0x000000000040C2A8-mapping.dmp Nirsoft -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
iexplore.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run iexplore.exe 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" iexplore.exe -
Processes:
resource yara_rule behavioral1/memory/936-79-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/1208-89-0x0000000000400000-0x0000000000416000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
notepad.exepid process 1768 notepad.exe -
Processes:
49af0abba03a7d559171f378728e9bc7.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" 49af0abba03a7d559171f378728e9bc7.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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" iexplore.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run iexplore.exe 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" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe -
Processes:
49af0abba03a7d559171f378728e9bc7.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 49af0abba03a7d559171f378728e9bc7.exe -
Suspicious use of SetThreadContext 7 IoCs
Processes:
49af0abba03a7d559171f378728e9bc7.exe49af0abba03a7d559171f378728e9bc7.exeiexplore.exedescription pid process target process PID 1048 set thread context of 1828 1048 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1828 set thread context of 288 1828 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 288 set thread context of 936 288 iexplore.exe iexplore.exe PID 288 set thread context of 1160 288 iexplore.exe iexplore.exe PID 288 set thread context of 1348 288 iexplore.exe iexplore.exe PID 288 set thread context of 1208 288 iexplore.exe iexplore.exe PID 288 set thread context of 1780 288 iexplore.exe iexplore.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
powershell.exepowershell.exe49af0abba03a7d559171f378728e9bc7.exe49af0abba03a7d559171f378728e9bc7.exepid process 1628 powershell.exe 572 powershell.exe 1048 49af0abba03a7d559171f378728e9bc7.exe 1828 49af0abba03a7d559171f378728e9bc7.exe 1828 49af0abba03a7d559171f378728e9bc7.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
powershell.exepowershell.exe49af0abba03a7d559171f378728e9bc7.exeiexplore.exeiexplore.exedescription pid process Token: SeDebugPrivilege 1628 powershell.exe Token: SeDebugPrivilege 572 powershell.exe Token: SeDebugPrivilege 1048 49af0abba03a7d559171f378728e9bc7.exe Token: SeDebugPrivilege 288 iexplore.exe Token: SeDebugPrivilege 936 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
49af0abba03a7d559171f378728e9bc7.exeiexplore.exepid process 1828 49af0abba03a7d559171f378728e9bc7.exe 288 iexplore.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
49af0abba03a7d559171f378728e9bc7.exe49af0abba03a7d559171f378728e9bc7.exeiexplore.exedescription pid process target process PID 1048 wrote to memory of 1628 1048 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 1048 wrote to memory of 1628 1048 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 1048 wrote to memory of 1628 1048 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 1048 wrote to memory of 1628 1048 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 1048 wrote to memory of 572 1048 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 1048 wrote to memory of 572 1048 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 1048 wrote to memory of 572 1048 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 1048 wrote to memory of 572 1048 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 1048 wrote to memory of 1828 1048 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1048 wrote to memory of 1828 1048 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1048 wrote to memory of 1828 1048 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1048 wrote to memory of 1828 1048 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1048 wrote to memory of 1828 1048 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1048 wrote to memory of 1828 1048 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1048 wrote to memory of 1828 1048 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1048 wrote to memory of 1828 1048 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1048 wrote to memory of 1828 1048 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1048 wrote to memory of 1828 1048 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1048 wrote to memory of 1828 1048 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1828 wrote to memory of 288 1828 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1828 wrote to memory of 288 1828 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1828 wrote to memory of 288 1828 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1828 wrote to memory of 288 1828 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1828 wrote to memory of 288 1828 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1828 wrote to memory of 288 1828 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1828 wrote to memory of 288 1828 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1828 wrote to memory of 288 1828 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1828 wrote to memory of 288 1828 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 288 wrote to memory of 1768 288 iexplore.exe notepad.exe PID 288 wrote to memory of 1768 288 iexplore.exe notepad.exe PID 288 wrote to memory of 1768 288 iexplore.exe notepad.exe PID 288 wrote to memory of 1768 288 iexplore.exe notepad.exe PID 288 wrote to memory of 1768 288 iexplore.exe notepad.exe PID 288 wrote to memory of 936 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 936 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 936 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 936 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 936 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 936 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 936 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 936 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 936 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1160 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1160 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1160 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1160 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1160 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1160 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1160 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1160 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1160 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1160 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1348 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1348 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1348 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1348 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1348 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1348 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1348 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1348 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1348 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1348 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1208 288 iexplore.exe iexplore.exe PID 288 wrote to memory of 1208 288 iexplore.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
49af0abba03a7d559171f378728e9bc7.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 49af0abba03a7d559171f378728e9bc7.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\49af0abba03a7d559171f378728e9bc7.exe"C:\Users\Admin\AppData\Local\Temp\49af0abba03a7d559171f378728e9bc7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -Seconds 32⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1628
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 152⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:572
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C:\Users\Admin\AppData\Local\Temp\49af0abba03a7d559171f378728e9bc7.exeC:\Users\Admin\AppData\Local\Temp\49af0abba03a7d559171f378728e9bc7.exe2⤵
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1828 -
C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\49af0abba03a7d559171f378728e9bc7.exe3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:288 -
C:\Windows\SysWOW64\notepad.exenotepad.exe4⤵
- Deletes itself
PID:1768
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\esfweooik0.txt"4⤵
- Suspicious use of AdjustPrivilegeToken
PID:936
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\esfweooik1.txt"4⤵PID:1160
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\esfweooik2.txt"4⤵PID:1348
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\esfweooik3.txt"4⤵PID:1208
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\esfweooik4.txt"4⤵PID:1780
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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MD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD51de0ec79afb731fc5c3e01779780ba6f
SHA1c9cc17361a855617bba0acb16c2faf765fba8843
SHA256498fa6650256c04c0d916a3b01e1919132d7b0ee684edb5e634a6dbbeac64160
SHA5125c98d6bf45a4237150bfc67d0841911ccd727c9f3649640d1c2634177b7f849bfdb352f34650bb3d3825423cda42d025171e5e33887f04b7237904c790d138a2