Analysis
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max time kernel
146s -
max time network
154s -
platform
windows10_x64 -
resource
win10-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 behavioral2/memory/1732-172-0x0000000000400000-0x0000000000443000-memory.dmp xpertrat behavioral2/memory/1732-173-0x0000000000401364-mapping.dmp xpertrat -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3020-187-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3020-188-0x0000000000411654-mapping.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4068-191-0x0000000000400000-0x0000000000459000-memory.dmp WebBrowserPassView behavioral2/memory/4068-192-0x0000000000442F04-mapping.dmp WebBrowserPassView -
Nirsoft 6 IoCs
Processes:
resource yara_rule behavioral2/memory/3020-187-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3020-188-0x0000000000411654-mapping.dmp Nirsoft behavioral2/memory/4068-191-0x0000000000400000-0x0000000000459000-memory.dmp Nirsoft behavioral2/memory/4068-192-0x0000000000442F04-mapping.dmp Nirsoft behavioral2/memory/1328-200-0x0000000000400000-0x0000000000415000-memory.dmp Nirsoft behavioral2/memory/1328-201-0x000000000040C2A8-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 behavioral2/memory/2440-183-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/memory/2800-196-0x0000000000400000-0x0000000000416000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
notepad.exepid process 1624 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 Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\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 -
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 2160 set thread context of 1280 2160 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1280 set thread context of 1732 1280 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1732 set thread context of 2440 1732 iexplore.exe iexplore.exe PID 1732 set thread context of 3020 1732 iexplore.exe iexplore.exe PID 1732 set thread context of 4068 1732 iexplore.exe iexplore.exe PID 1732 set thread context of 2800 1732 iexplore.exe iexplore.exe PID 1732 set thread context of 1328 1732 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 16 IoCs
Processes:
powershell.exepowershell.exe49af0abba03a7d559171f378728e9bc7.exe49af0abba03a7d559171f378728e9bc7.exeiexplore.exeiexplore.exepid process 2728 powershell.exe 2728 powershell.exe 2728 powershell.exe 3876 powershell.exe 3876 powershell.exe 3876 powershell.exe 2160 49af0abba03a7d559171f378728e9bc7.exe 2160 49af0abba03a7d559171f378728e9bc7.exe 1280 49af0abba03a7d559171f378728e9bc7.exe 1280 49af0abba03a7d559171f378728e9bc7.exe 2440 iexplore.exe 2440 iexplore.exe 4068 iexplore.exe 4068 iexplore.exe 1280 49af0abba03a7d559171f378728e9bc7.exe 1280 49af0abba03a7d559171f378728e9bc7.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
powershell.exepowershell.exe49af0abba03a7d559171f378728e9bc7.exeiexplore.exeiexplore.exedescription pid process Token: SeDebugPrivilege 2728 powershell.exe Token: SeDebugPrivilege 3876 powershell.exe Token: SeDebugPrivilege 2160 49af0abba03a7d559171f378728e9bc7.exe Token: SeDebugPrivilege 1732 iexplore.exe Token: SeDebugPrivilege 2440 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
49af0abba03a7d559171f378728e9bc7.exeiexplore.exepid process 1280 49af0abba03a7d559171f378728e9bc7.exe 1732 iexplore.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
49af0abba03a7d559171f378728e9bc7.exe49af0abba03a7d559171f378728e9bc7.exeiexplore.exedescription pid process target process PID 2160 wrote to memory of 2728 2160 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 2160 wrote to memory of 2728 2160 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 2160 wrote to memory of 2728 2160 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 2160 wrote to memory of 3876 2160 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 2160 wrote to memory of 3876 2160 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 2160 wrote to memory of 3876 2160 49af0abba03a7d559171f378728e9bc7.exe powershell.exe PID 2160 wrote to memory of 1280 2160 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 2160 wrote to memory of 1280 2160 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 2160 wrote to memory of 1280 2160 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 2160 wrote to memory of 1280 2160 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 2160 wrote to memory of 1280 2160 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 2160 wrote to memory of 1280 2160 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 2160 wrote to memory of 1280 2160 49af0abba03a7d559171f378728e9bc7.exe 49af0abba03a7d559171f378728e9bc7.exe PID 1280 wrote to memory of 1732 1280 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1280 wrote to memory of 1732 1280 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1280 wrote to memory of 1732 1280 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1280 wrote to memory of 1732 1280 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1280 wrote to memory of 1732 1280 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1280 wrote to memory of 1732 1280 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1280 wrote to memory of 1732 1280 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1280 wrote to memory of 1732 1280 49af0abba03a7d559171f378728e9bc7.exe iexplore.exe PID 1732 wrote to memory of 1624 1732 iexplore.exe notepad.exe PID 1732 wrote to memory of 1624 1732 iexplore.exe notepad.exe PID 1732 wrote to memory of 1624 1732 iexplore.exe notepad.exe PID 1732 wrote to memory of 1624 1732 iexplore.exe notepad.exe PID 1732 wrote to memory of 2440 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2440 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2440 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2440 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2440 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2440 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2440 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2440 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 3020 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 3020 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 3020 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 3020 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 3020 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 3020 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 3020 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 3020 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 3020 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 4068 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 4068 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 4068 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 4068 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 4068 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 4068 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 4068 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 4068 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 4068 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2800 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2800 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2800 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2800 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2800 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2800 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2800 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 2800 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 1328 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 1328 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 1328 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 1328 1732 iexplore.exe iexplore.exe PID 1732 wrote to memory of 1328 1732 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:2160 -
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:2728
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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:3876
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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:1280 -
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:1732 -
C:\Windows\SysWOW64\notepad.exenotepad.exe4⤵
- Deletes itself
PID:1624
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\iwbmparlt0.txt"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2440
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\iwbmparlt1.txt"4⤵PID:3020
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\iwbmparlt2.txt"4⤵
- Suspicious behavior: EnumeratesProcesses
PID:4068
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\iwbmparlt3.txt"4⤵PID:2800
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\iwbmparlt4.txt"4⤵PID:1328
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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MD5
b42b8394f52b01b93879625688c3d79d
SHA13ed5877ab13e7655482c19e8b7511f8b2bfcdbb3
SHA256b7b0a0ab5e777b74a8d7ec285804091eb3a4c71fcc2c57cddfa8541d05409cdd
SHA51286357e54c29ee9c107b5655d457121f35117565fae4fdd018e56079eb7ca012e4afe0a5d5562bc2996b932b02450ad0fbb7f27047315b524138a0fe08c4f79c2
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MD5
3c6350435d9f08dd79c818f57671e433
SHA139254c301b6de8f26bbd825260e059b15d110e18
SHA256eb08a56db9618126a62da285f8ea5b4b3499f0a4ff78e1d2f7245a4bdea4aa56
SHA51265bfe5dbd01aadd5fa95568cc2380816a587eca27cc4da8a755616e82018c861809a16573560ad022f3001dbf4051e363f5c3011a5f3e207b1329e35dba4d6b1
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MD5
f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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MD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84