Analysis
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max time kernel
47s -
max time network
163s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
25-06-2021 07:10
Static task
static1
Behavioral task
behavioral1
Sample
66587368e39228edf1f6034794f17579.exe
Resource
win7v20210410
General
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Target
66587368e39228edf1f6034794f17579.exe
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Size
419KB
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MD5
66587368e39228edf1f6034794f17579
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SHA1
31268b1ac9bb83c698eadf5e74f65d58b12d2a50
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SHA256
b6b8326fd527390a435242178b6a45a973c4516d831669ce7527c5d97e90ab10
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SHA512
fdf02be618eb51fbdafa952b2eb60801d8448f0078c2127024ae2eb4d2542fdabad14bf0e5b127bea5c891a1986ed857032d1a519f3fc537e8296b7bb6a2d9f6
Malware Config
Extracted
xpertrat
3.0.10
special X
mertrerfeyy.duckdns.org:8494
gwtruwhgw.duckdns.org:8494
dfgrttuutii.duckdns.org:8494
J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4
Signatures
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XpertRAT Core Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/320-70-0x0000000000400000-0x0000000000443000-memory.dmp xpertrat behavioral1/memory/320-71-0x0000000000401364-mapping.dmp xpertrat -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1836-80-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1836-81-0x0000000000411654-mapping.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1508-86-0x0000000000442F04-mapping.dmp WebBrowserPassView behavioral1/memory/1508-85-0x0000000000400000-0x0000000000459000-memory.dmp WebBrowserPassView -
Nirsoft 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1836-80-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1836-81-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1508-86-0x0000000000442F04-mapping.dmp Nirsoft behavioral1/memory/1508-85-0x0000000000400000-0x0000000000459000-memory.dmp Nirsoft behavioral1/memory/1592-92-0x0000000000400000-0x0000000000415000-memory.dmp Nirsoft behavioral1/memory/1592-93-0x000000000040C2A8-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\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4 = "C:\\Users\\Admin\\AppData\\Roaming\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4.exe" iexplore.exe -
Processes:
resource yara_rule behavioral1/memory/1832-77-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/1944-89-0x0000000000400000-0x0000000000416000-memory.dmp upx -
Processes:
66587368e39228edf1f6034794f17579.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" 66587368e39228edf1f6034794f17579.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4 = "C:\\Users\\Admin\\AppData\\Roaming\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4.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\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4 = "C:\\Users\\Admin\\AppData\\Roaming\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4.exe" iexplore.exe -
Processes:
66587368e39228edf1f6034794f17579.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 66587368e39228edf1f6034794f17579.exe -
Suspicious use of SetThreadContext 8 IoCs
Processes:
66587368e39228edf1f6034794f17579.exe66587368e39228edf1f6034794f17579.exeiexplore.exedescription pid process target process PID 916 set thread context of 880 916 66587368e39228edf1f6034794f17579.exe 66587368e39228edf1f6034794f17579.exe PID 880 set thread context of 320 880 66587368e39228edf1f6034794f17579.exe iexplore.exe PID 320 set thread context of 1832 320 iexplore.exe iexplore.exe PID 320 set thread context of 1836 320 iexplore.exe iexplore.exe PID 320 set thread context of 1632 320 iexplore.exe iexplore.exe PID 320 set thread context of 1508 320 iexplore.exe iexplore.exe PID 320 set thread context of 1944 320 iexplore.exe iexplore.exe PID 320 set thread context of 1592 320 iexplore.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
66587368e39228edf1f6034794f17579.exepid process 880 66587368e39228edf1f6034794f17579.exe 880 66587368e39228edf1f6034794f17579.exe 880 66587368e39228edf1f6034794f17579.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
iexplore.exeiexplore.exedescription pid process Token: SeDebugPrivilege 320 iexplore.exe Token: SeDebugPrivilege 1832 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
66587368e39228edf1f6034794f17579.exeiexplore.exepid process 880 66587368e39228edf1f6034794f17579.exe 320 iexplore.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
66587368e39228edf1f6034794f17579.exe66587368e39228edf1f6034794f17579.exeiexplore.exedescription pid process target process PID 916 wrote to memory of 880 916 66587368e39228edf1f6034794f17579.exe 66587368e39228edf1f6034794f17579.exe PID 916 wrote to memory of 880 916 66587368e39228edf1f6034794f17579.exe 66587368e39228edf1f6034794f17579.exe PID 916 wrote to memory of 880 916 66587368e39228edf1f6034794f17579.exe 66587368e39228edf1f6034794f17579.exe PID 916 wrote to memory of 880 916 66587368e39228edf1f6034794f17579.exe 66587368e39228edf1f6034794f17579.exe PID 916 wrote to memory of 880 916 66587368e39228edf1f6034794f17579.exe 66587368e39228edf1f6034794f17579.exe PID 916 wrote to memory of 880 916 66587368e39228edf1f6034794f17579.exe 66587368e39228edf1f6034794f17579.exe PID 916 wrote to memory of 880 916 66587368e39228edf1f6034794f17579.exe 66587368e39228edf1f6034794f17579.exe PID 916 wrote to memory of 880 916 66587368e39228edf1f6034794f17579.exe 66587368e39228edf1f6034794f17579.exe PID 880 wrote to memory of 320 880 66587368e39228edf1f6034794f17579.exe iexplore.exe PID 880 wrote to memory of 320 880 66587368e39228edf1f6034794f17579.exe iexplore.exe PID 880 wrote to memory of 320 880 66587368e39228edf1f6034794f17579.exe iexplore.exe PID 880 wrote to memory of 320 880 66587368e39228edf1f6034794f17579.exe iexplore.exe PID 880 wrote to memory of 320 880 66587368e39228edf1f6034794f17579.exe iexplore.exe PID 880 wrote to memory of 320 880 66587368e39228edf1f6034794f17579.exe iexplore.exe PID 880 wrote to memory of 320 880 66587368e39228edf1f6034794f17579.exe iexplore.exe PID 880 wrote to memory of 320 880 66587368e39228edf1f6034794f17579.exe iexplore.exe PID 880 wrote to memory of 320 880 66587368e39228edf1f6034794f17579.exe iexplore.exe PID 320 wrote to memory of 1832 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1832 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1832 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1832 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1832 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1832 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1832 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1832 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1832 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1836 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1836 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1836 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1836 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1836 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1836 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1836 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1836 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1836 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1836 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1632 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1632 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1632 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1632 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1632 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1632 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1632 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1632 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1632 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1632 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1508 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1508 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1508 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1508 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1508 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1508 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1508 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1508 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1508 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1508 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1944 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1944 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1944 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1944 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1944 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1944 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1944 320 iexplore.exe iexplore.exe PID 320 wrote to memory of 1944 320 iexplore.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
66587368e39228edf1f6034794f17579.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 66587368e39228edf1f6034794f17579.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\66587368e39228edf1f6034794f17579.exe"C:\Users\Admin\AppData\Local\Temp\66587368e39228edf1f6034794f17579.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\66587368e39228edf1f6034794f17579.exe"{path}"2⤵
- 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\66587368e39228edf1f6034794f17579.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
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\aotbdaixf0.txt"4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\aotbdaixf1.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\aotbdaixf2.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\aotbdaixf2.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\aotbdaixf3.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\aotbdaixf4.txt"4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\aotbdaixf2.txtMD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\aotbdaixf4.txtMD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/320-70-0x0000000000400000-0x0000000000443000-memory.dmpFilesize
268KB
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memory/320-76-0x0000000075011000-0x0000000075013000-memory.dmpFilesize
8KB
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memory/320-72-0x0000000000450000-0x00000000005A3000-memory.dmpFilesize
1.3MB
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memory/320-71-0x0000000000401364-mapping.dmp
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memory/880-67-0x00000000004010B8-mapping.dmp
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memory/880-66-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/916-63-0x00000000005A0000-0x00000000005A2000-memory.dmpFilesize
8KB
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memory/916-65-0x0000000002140000-0x000000000216E000-memory.dmpFilesize
184KB
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memory/916-64-0x0000000005E80000-0x0000000005EFD000-memory.dmpFilesize
500KB
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memory/916-60-0x0000000000CD0000-0x0000000000CD1000-memory.dmpFilesize
4KB
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memory/916-62-0x0000000004AC0000-0x0000000004AC1000-memory.dmpFilesize
4KB
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memory/1508-86-0x0000000000442F04-mapping.dmp
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memory/1508-85-0x0000000000400000-0x0000000000459000-memory.dmpFilesize
356KB
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memory/1592-93-0x000000000040C2A8-mapping.dmp
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memory/1592-92-0x0000000000400000-0x0000000000415000-memory.dmpFilesize
84KB
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memory/1632-84-0x0000000000442F04-mapping.dmp
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memory/1832-77-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1832-78-0x0000000000423BC0-mapping.dmp
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memory/1836-81-0x0000000000411654-mapping.dmp
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memory/1836-80-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1944-89-0x0000000000400000-0x0000000000416000-memory.dmpFilesize
88KB
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memory/1944-90-0x0000000000413750-mapping.dmp