Analysis
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max time kernel
22s -
max time network
146s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
13-07-2021 09:02
Static task
static1
Behavioral task
behavioral1
Sample
ee759b97c88356e23b04afa427c6cb94.exe
Resource
win7v20210410
General
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Target
ee759b97c88356e23b04afa427c6cb94.exe
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Size
172KB
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MD5
ee759b97c88356e23b04afa427c6cb94
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SHA1
439eba6c162e5512533ada4576de9f0e32def9d7
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SHA256
5c1fec4300276bd8bd042cf24f256de87350ad32a456578da4eb364de9f3fbfc
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SHA512
0447961f3ecfdfb5369cdd6f7bbc8d3455dcc8eaece606c85b9774f9c7981f26fea32133ea1c5214bbf73caea8c936257a1b349d2e7cee171f508ad1d4f050a0
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/2504-116-0x0000000000400000-0x0000000000444000-memory.dmp xpertrat behavioral2/memory/2504-117-0x0000000000401364-mapping.dmp xpertrat -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/2124-128-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2124-129-0x0000000000411654-mapping.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/3148-132-0x0000000000400000-0x0000000000459000-memory.dmp WebBrowserPassView behavioral2/memory/3148-133-0x0000000000442F04-mapping.dmp WebBrowserPassView -
Nirsoft 6 IoCs
Processes:
resource yara_rule behavioral2/memory/2124-128-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2124-129-0x0000000000411654-mapping.dmp Nirsoft behavioral2/memory/3148-132-0x0000000000400000-0x0000000000459000-memory.dmp Nirsoft behavioral2/memory/3148-133-0x0000000000442F04-mapping.dmp Nirsoft behavioral2/memory/1944-143-0x0000000000400000-0x0000000000415000-memory.dmp Nirsoft behavioral2/memory/1944-144-0x000000000040C2A8-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/3720-124-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/memory/3780-137-0x0000000000400000-0x0000000000416000-memory.dmp upx -
Processes:
ee759b97c88356e23b04afa427c6cb94.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" ee759b97c88356e23b04afa427c6cb94.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process 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 Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\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 -
Processes:
ee759b97c88356e23b04afa427c6cb94.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ee759b97c88356e23b04afa427c6cb94.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1868 4044 WerFault.exe iexplore.exe -
Suspicious use of SetThreadContext 7 IoCs
Processes:
ee759b97c88356e23b04afa427c6cb94.exeiexplore.exedescription pid process target process PID 4016 set thread context of 2504 4016 ee759b97c88356e23b04afa427c6cb94.exe iexplore.exe PID 2504 set thread context of 3720 2504 iexplore.exe iexplore.exe PID 2504 set thread context of 2124 2504 iexplore.exe iexplore.exe PID 2504 set thread context of 3148 2504 iexplore.exe iexplore.exe PID 2504 set thread context of 3780 2504 iexplore.exe iexplore.exe PID 2504 set thread context of 4044 2504 iexplore.exe iexplore.exe PID 2504 set thread context of 1944 2504 iexplore.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
ee759b97c88356e23b04afa427c6cb94.exeiexplore.exeiexplore.exepid process 4016 ee759b97c88356e23b04afa427c6cb94.exe 4016 ee759b97c88356e23b04afa427c6cb94.exe 4016 ee759b97c88356e23b04afa427c6cb94.exe 4016 ee759b97c88356e23b04afa427c6cb94.exe 3720 iexplore.exe 3720 iexplore.exe 3148 iexplore.exe 3148 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
iexplore.exeiexplore.exedescription pid process Token: SeDebugPrivilege 2504 iexplore.exe Token: SeDebugPrivilege 3720 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
ee759b97c88356e23b04afa427c6cb94.exeiexplore.exepid process 4016 ee759b97c88356e23b04afa427c6cb94.exe 2504 iexplore.exe -
Suspicious use of WriteProcessMemory 60 IoCs
Processes:
ee759b97c88356e23b04afa427c6cb94.exeiexplore.exedescription pid process target process PID 4016 wrote to memory of 2504 4016 ee759b97c88356e23b04afa427c6cb94.exe iexplore.exe PID 4016 wrote to memory of 2504 4016 ee759b97c88356e23b04afa427c6cb94.exe iexplore.exe PID 4016 wrote to memory of 2504 4016 ee759b97c88356e23b04afa427c6cb94.exe iexplore.exe PID 4016 wrote to memory of 2504 4016 ee759b97c88356e23b04afa427c6cb94.exe iexplore.exe PID 4016 wrote to memory of 2504 4016 ee759b97c88356e23b04afa427c6cb94.exe iexplore.exe PID 4016 wrote to memory of 2504 4016 ee759b97c88356e23b04afa427c6cb94.exe iexplore.exe PID 4016 wrote to memory of 2504 4016 ee759b97c88356e23b04afa427c6cb94.exe iexplore.exe PID 4016 wrote to memory of 2504 4016 ee759b97c88356e23b04afa427c6cb94.exe iexplore.exe PID 2504 wrote to memory of 3720 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3720 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3720 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3720 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3720 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3720 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3720 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3720 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 2124 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 2124 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 2124 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 2124 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 2124 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 2124 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 2124 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 2124 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 2124 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3148 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3148 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3148 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3148 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3148 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3148 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3148 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3148 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3148 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3780 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3780 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3780 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3780 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3780 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3780 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3780 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 3780 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 4044 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 4044 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 4044 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 4044 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 4044 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 4044 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 4044 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 4044 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 4044 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 1944 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 1944 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 1944 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 1944 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 1944 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 1944 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 1944 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 1944 2504 iexplore.exe iexplore.exe PID 2504 wrote to memory of 1944 2504 iexplore.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
ee759b97c88356e23b04afa427c6cb94.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ee759b97c88356e23b04afa427c6cb94.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ee759b97c88356e23b04afa427c6cb94.exe"C:\Users\Admin\AppData\Local\Temp\ee759b97c88356e23b04afa427c6cb94.exe"1⤵
- 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
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C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\ee759b97c88356e23b04afa427c6cb94.exe2⤵
- 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
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\zdkcgxsks0.txt"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\zdkcgxsks1.txt"3⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\zdkcgxsks2.txt"3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\zdkcgxsks3.txt"3⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\zdkcgxsks4.txt"3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 924⤵
- Program crash
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\zdkcgxsks4.txt"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\zdkcgxsks2.txtMD5
f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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C:\Users\Admin\AppData\Roaming\R4W8O5A3-P0G7-Q7U5-H114-L7S6L4U0I6I6\zdkcgxsks4.txtMD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/1944-143-0x0000000000400000-0x0000000000415000-memory.dmpFilesize
84KB
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memory/1944-144-0x000000000040C2A8-mapping.dmp
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memory/2124-128-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2124-129-0x0000000000411654-mapping.dmp
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memory/2504-117-0x0000000000401364-mapping.dmp
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memory/2504-120-0x00000000034E0000-0x0000000003633000-memory.dmpFilesize
1.3MB
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memory/2504-121-0x00000000034E1000-0x00000000035DD000-memory.dmpFilesize
1008KB
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memory/2504-116-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/3148-132-0x0000000000400000-0x0000000000459000-memory.dmpFilesize
356KB
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memory/3148-133-0x0000000000442F04-mapping.dmp
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memory/3720-124-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/3720-125-0x0000000000423BC0-mapping.dmp
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memory/3780-138-0x0000000000413750-mapping.dmp
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memory/3780-137-0x0000000000400000-0x0000000000416000-memory.dmpFilesize
88KB
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memory/4044-142-0x000000000040C2A8-mapping.dmp