Analysis
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max time kernel
45s -
max time network
140s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
13-07-2021 12:58
Static task
static1
Behavioral task
behavioral1
Sample
704ce624d4906a3cf343562b90249b58.exe
Resource
win7v20210410
General
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Target
704ce624d4906a3cf343562b90249b58.exe
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Size
759KB
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MD5
704ce624d4906a3cf343562b90249b58
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SHA1
c007c6fb7c85795c2cdf5b2171392dedf72a5c9e
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SHA256
59d18f1afca7fa22d68455d412c29949993c21edfb3658091bdad62093e0f818
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SHA512
d3c285ce095cb72dc4fb7de298bc59235ed727bb99fbe0c0eea7f4aea53b4270d707ae164866dc18eef268375b3f683e7506f3582210b59d0e1fdf6aac8e1f08
Malware Config
Extracted
xpertrat
3.1.9
BXK
ioxg.ix.tc:4000
R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6
Signatures
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XpertRAT Core Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1140-132-0x0000000000400000-0x0000000000444000-memory.dmp xpertrat behavioral2/memory/1140-133-0x0000000000401364-mapping.dmp xpertrat -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/2736-148-0x0000000000411654-mapping.dmp MailPassView behavioral2/memory/2736-147-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/2740-151-0x0000000000400000-0x0000000000459000-memory.dmp WebBrowserPassView behavioral2/memory/2740-152-0x0000000000442F04-mapping.dmp WebBrowserPassView -
Nirsoft 6 IoCs
Processes:
resource yara_rule behavioral2/memory/2736-148-0x0000000000411654-mapping.dmp Nirsoft behavioral2/memory/2736-147-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2740-151-0x0000000000400000-0x0000000000459000-memory.dmp Nirsoft behavioral2/memory/2740-152-0x0000000000442F04-mapping.dmp Nirsoft behavioral2/memory/3224-160-0x0000000000400000-0x0000000000415000-memory.dmp Nirsoft behavioral2/memory/3224-161-0x000000000040C2A8-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\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6 = "C:\\Users\\Admin\\AppData\\Roaming\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6.exe" iexplore.exe -
Processes:
resource yara_rule behavioral2/memory/1796-143-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/memory/2680-156-0x0000000000400000-0x0000000000416000-memory.dmp upx -
Processes:
704ce624d4906a3cf343562b90249b58.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" 704ce624d4906a3cf343562b90249b58.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6 = "C:\\Users\\Admin\\AppData\\Roaming\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6.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\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6 = "C:\\Users\\Admin\\AppData\\Roaming\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6.exe" iexplore.exe -
Processes:
704ce624d4906a3cf343562b90249b58.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 704ce624d4906a3cf343562b90249b58.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2096 3960 WerFault.exe iexplore.exe -
Suspicious use of SetThreadContext 8 IoCs
Processes:
704ce624d4906a3cf343562b90249b58.exe704ce624d4906a3cf343562b90249b58.exeiexplore.exedescription pid process target process PID 4012 set thread context of 3564 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 3564 set thread context of 1140 3564 704ce624d4906a3cf343562b90249b58.exe iexplore.exe PID 1140 set thread context of 3960 1140 iexplore.exe iexplore.exe PID 1140 set thread context of 1796 1140 iexplore.exe iexplore.exe PID 1140 set thread context of 2736 1140 iexplore.exe iexplore.exe PID 1140 set thread context of 2740 1140 iexplore.exe iexplore.exe PID 1140 set thread context of 2680 1140 iexplore.exe iexplore.exe PID 1140 set thread context of 3224 1140 iexplore.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
704ce624d4906a3cf343562b90249b58.exe704ce624d4906a3cf343562b90249b58.exeiexplore.exeiexplore.exepid process 4012 704ce624d4906a3cf343562b90249b58.exe 4012 704ce624d4906a3cf343562b90249b58.exe 4012 704ce624d4906a3cf343562b90249b58.exe 4012 704ce624d4906a3cf343562b90249b58.exe 4012 704ce624d4906a3cf343562b90249b58.exe 4012 704ce624d4906a3cf343562b90249b58.exe 4012 704ce624d4906a3cf343562b90249b58.exe 4012 704ce624d4906a3cf343562b90249b58.exe 4012 704ce624d4906a3cf343562b90249b58.exe 4012 704ce624d4906a3cf343562b90249b58.exe 3564 704ce624d4906a3cf343562b90249b58.exe 3564 704ce624d4906a3cf343562b90249b58.exe 3564 704ce624d4906a3cf343562b90249b58.exe 3564 704ce624d4906a3cf343562b90249b58.exe 1796 iexplore.exe 1796 iexplore.exe 2740 iexplore.exe 2740 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
704ce624d4906a3cf343562b90249b58.exeiexplore.exeiexplore.exedescription pid process Token: SeDebugPrivilege 4012 704ce624d4906a3cf343562b90249b58.exe Token: SeDebugPrivilege 1140 iexplore.exe Token: SeDebugPrivilege 1796 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
704ce624d4906a3cf343562b90249b58.exeiexplore.exepid process 3564 704ce624d4906a3cf343562b90249b58.exe 1140 iexplore.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
704ce624d4906a3cf343562b90249b58.exe704ce624d4906a3cf343562b90249b58.exeiexplore.exedescription pid process target process PID 4012 wrote to memory of 3632 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 4012 wrote to memory of 3632 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 4012 wrote to memory of 3632 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 4012 wrote to memory of 1676 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 4012 wrote to memory of 1676 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 4012 wrote to memory of 1676 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 4012 wrote to memory of 3564 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 4012 wrote to memory of 3564 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 4012 wrote to memory of 3564 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 4012 wrote to memory of 3564 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 4012 wrote to memory of 3564 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 4012 wrote to memory of 3564 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 4012 wrote to memory of 3564 4012 704ce624d4906a3cf343562b90249b58.exe 704ce624d4906a3cf343562b90249b58.exe PID 3564 wrote to memory of 1140 3564 704ce624d4906a3cf343562b90249b58.exe iexplore.exe PID 3564 wrote to memory of 1140 3564 704ce624d4906a3cf343562b90249b58.exe iexplore.exe PID 3564 wrote to memory of 1140 3564 704ce624d4906a3cf343562b90249b58.exe iexplore.exe PID 3564 wrote to memory of 1140 3564 704ce624d4906a3cf343562b90249b58.exe iexplore.exe PID 3564 wrote to memory of 1140 3564 704ce624d4906a3cf343562b90249b58.exe iexplore.exe PID 3564 wrote to memory of 1140 3564 704ce624d4906a3cf343562b90249b58.exe iexplore.exe PID 3564 wrote to memory of 1140 3564 704ce624d4906a3cf343562b90249b58.exe iexplore.exe PID 3564 wrote to memory of 1140 3564 704ce624d4906a3cf343562b90249b58.exe iexplore.exe PID 1140 wrote to memory of 3960 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 3960 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 3960 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 3960 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 3960 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 3960 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 3960 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 3960 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 1796 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 1796 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 1796 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 1796 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 1796 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 1796 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 1796 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 1796 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2736 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2736 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2736 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2736 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2736 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2736 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2736 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2736 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2736 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2740 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2740 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2740 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2740 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2740 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2740 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2740 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2740 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2740 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2680 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2680 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2680 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2680 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2680 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2680 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2680 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 2680 1140 iexplore.exe iexplore.exe PID 1140 wrote to memory of 3224 1140 iexplore.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
704ce624d4906a3cf343562b90249b58.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 704ce624d4906a3cf343562b90249b58.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.exe"C:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4012 -
C:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.exeC:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.exe2⤵PID:3632
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C:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.exeC:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.exe2⤵PID:1676
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C:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.exeC:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.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:3564 -
C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\704ce624d4906a3cf343562b90249b58.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:1140 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\ijbcijfki0.txt"4⤵PID:3960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3960 -s 925⤵
- Program crash
PID:2096 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\ijbcijfki0.txt"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1796 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\ijbcijfki1.txt"4⤵PID:2736
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\ijbcijfki2.txt"4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2740 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\ijbcijfki3.txt"4⤵PID:2680
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\ijbcijfki4.txt"4⤵PID:3224
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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MD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84