Analysis
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max time kernel
85s -
max time network
143s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
04-10-2021 15:59
Static task
static1
Behavioral task
behavioral1
Sample
5028df0da2732dc8528ca9b7d7e41be5.exe
Resource
win7-en-20210920
General
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Target
5028df0da2732dc8528ca9b7d7e41be5.exe
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Size
20KB
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MD5
5028df0da2732dc8528ca9b7d7e41be5
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SHA1
462a178ab8063511109a91e11d44443485edd49d
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SHA256
9bd273556358606717f3d0e7d4a2521dba396d6838d8dfccb78bfc5c98590b84
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SHA512
dc31474f8a6ac3a1ca811a769a6c8c13b7beec22071565a37cbd8db85831e5d0fc3f270dc1328705849c23fac6eb7c1b55bc255db69ec3d7380771914fc8c3ae
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/3732-169-0x0000000000400000-0x0000000000443000-memory.dmp xpertrat behavioral2/memory/3732-170-0x0000000000401364-mapping.dmp xpertrat -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3836-183-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3836-184-0x0000000000411654-mapping.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/2208-188-0x0000000000442F04-mapping.dmp WebBrowserPassView behavioral2/memory/2208-187-0x0000000000400000-0x0000000000459000-memory.dmp WebBrowserPassView -
Nirsoft 6 IoCs
Processes:
resource yara_rule behavioral2/memory/3836-183-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3836-184-0x0000000000411654-mapping.dmp Nirsoft behavioral2/memory/2208-188-0x0000000000442F04-mapping.dmp Nirsoft behavioral2/memory/2208-187-0x0000000000400000-0x0000000000459000-memory.dmp Nirsoft behavioral2/memory/824-201-0x000000000040C2A8-mapping.dmp Nirsoft behavioral2/memory/824-200-0x0000000000400000-0x0000000000415000-memory.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/3988-179-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/memory/920-192-0x0000000000400000-0x0000000000416000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
notepad.exepid process 2836 notepad.exe -
Processes:
5028df0da2732dc8528ca9b7d7e41be5.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" 5028df0da2732dc8528ca9b7d7e41be5.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process 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\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:
5028df0da2732dc8528ca9b7d7e41be5.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 5028df0da2732dc8528ca9b7d7e41be5.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 2724 1036 WerFault.exe iexplore.exe 384 1280 WerFault.exe iexplore.exe -
Suspicious use of SetThreadContext 9 IoCs
Processes:
5028df0da2732dc8528ca9b7d7e41be5.exe5028df0da2732dc8528ca9b7d7e41be5.exeiexplore.exedescription pid process target process PID 1832 set thread context of 2944 1832 5028df0da2732dc8528ca9b7d7e41be5.exe 5028df0da2732dc8528ca9b7d7e41be5.exe PID 2944 set thread context of 3732 2944 5028df0da2732dc8528ca9b7d7e41be5.exe iexplore.exe PID 3732 set thread context of 3988 3732 iexplore.exe iexplore.exe PID 3732 set thread context of 3836 3732 iexplore.exe iexplore.exe PID 3732 set thread context of 2208 3732 iexplore.exe iexplore.exe PID 3732 set thread context of 920 3732 iexplore.exe iexplore.exe PID 3732 set thread context of 1036 3732 iexplore.exe iexplore.exe PID 3732 set thread context of 1280 3732 iexplore.exe iexplore.exe PID 3732 set thread context of 824 3732 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 17 IoCs
Processes:
powershell.exepowershell.exe5028df0da2732dc8528ca9b7d7e41be5.exe5028df0da2732dc8528ca9b7d7e41be5.exeiexplore.exeiexplore.exepid process 1632 powershell.exe 1632 powershell.exe 1632 powershell.exe 1264 powershell.exe 1264 powershell.exe 1264 powershell.exe 1832 5028df0da2732dc8528ca9b7d7e41be5.exe 1832 5028df0da2732dc8528ca9b7d7e41be5.exe 1832 5028df0da2732dc8528ca9b7d7e41be5.exe 2944 5028df0da2732dc8528ca9b7d7e41be5.exe 2944 5028df0da2732dc8528ca9b7d7e41be5.exe 3988 iexplore.exe 3988 iexplore.exe 2208 iexplore.exe 2208 iexplore.exe 2944 5028df0da2732dc8528ca9b7d7e41be5.exe 2944 5028df0da2732dc8528ca9b7d7e41be5.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
powershell.exepowershell.exe5028df0da2732dc8528ca9b7d7e41be5.exeiexplore.exeiexplore.exedescription pid process Token: SeDebugPrivilege 1632 powershell.exe Token: SeDebugPrivilege 1264 powershell.exe Token: SeDebugPrivilege 1832 5028df0da2732dc8528ca9b7d7e41be5.exe Token: SeDebugPrivilege 3732 iexplore.exe Token: SeDebugPrivilege 3988 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
5028df0da2732dc8528ca9b7d7e41be5.exeiexplore.exepid process 2944 5028df0da2732dc8528ca9b7d7e41be5.exe 3732 iexplore.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
5028df0da2732dc8528ca9b7d7e41be5.exe5028df0da2732dc8528ca9b7d7e41be5.exeiexplore.exedescription pid process target process PID 1832 wrote to memory of 1632 1832 5028df0da2732dc8528ca9b7d7e41be5.exe powershell.exe PID 1832 wrote to memory of 1632 1832 5028df0da2732dc8528ca9b7d7e41be5.exe powershell.exe PID 1832 wrote to memory of 1632 1832 5028df0da2732dc8528ca9b7d7e41be5.exe powershell.exe PID 1832 wrote to memory of 1264 1832 5028df0da2732dc8528ca9b7d7e41be5.exe powershell.exe PID 1832 wrote to memory of 1264 1832 5028df0da2732dc8528ca9b7d7e41be5.exe powershell.exe PID 1832 wrote to memory of 1264 1832 5028df0da2732dc8528ca9b7d7e41be5.exe powershell.exe PID 1832 wrote to memory of 2944 1832 5028df0da2732dc8528ca9b7d7e41be5.exe 5028df0da2732dc8528ca9b7d7e41be5.exe PID 1832 wrote to memory of 2944 1832 5028df0da2732dc8528ca9b7d7e41be5.exe 5028df0da2732dc8528ca9b7d7e41be5.exe PID 1832 wrote to memory of 2944 1832 5028df0da2732dc8528ca9b7d7e41be5.exe 5028df0da2732dc8528ca9b7d7e41be5.exe PID 1832 wrote to memory of 2944 1832 5028df0da2732dc8528ca9b7d7e41be5.exe 5028df0da2732dc8528ca9b7d7e41be5.exe PID 1832 wrote to memory of 2944 1832 5028df0da2732dc8528ca9b7d7e41be5.exe 5028df0da2732dc8528ca9b7d7e41be5.exe PID 1832 wrote to memory of 2944 1832 5028df0da2732dc8528ca9b7d7e41be5.exe 5028df0da2732dc8528ca9b7d7e41be5.exe PID 1832 wrote to memory of 2944 1832 5028df0da2732dc8528ca9b7d7e41be5.exe 5028df0da2732dc8528ca9b7d7e41be5.exe PID 2944 wrote to memory of 3732 2944 5028df0da2732dc8528ca9b7d7e41be5.exe iexplore.exe PID 2944 wrote to memory of 3732 2944 5028df0da2732dc8528ca9b7d7e41be5.exe iexplore.exe PID 2944 wrote to memory of 3732 2944 5028df0da2732dc8528ca9b7d7e41be5.exe iexplore.exe PID 2944 wrote to memory of 3732 2944 5028df0da2732dc8528ca9b7d7e41be5.exe iexplore.exe PID 2944 wrote to memory of 3732 2944 5028df0da2732dc8528ca9b7d7e41be5.exe iexplore.exe PID 2944 wrote to memory of 3732 2944 5028df0da2732dc8528ca9b7d7e41be5.exe iexplore.exe PID 2944 wrote to memory of 3732 2944 5028df0da2732dc8528ca9b7d7e41be5.exe iexplore.exe PID 2944 wrote to memory of 3732 2944 5028df0da2732dc8528ca9b7d7e41be5.exe iexplore.exe PID 3732 wrote to memory of 2836 3732 iexplore.exe notepad.exe PID 3732 wrote to memory of 2836 3732 iexplore.exe notepad.exe PID 3732 wrote to memory of 2836 3732 iexplore.exe notepad.exe PID 3732 wrote to memory of 2836 3732 iexplore.exe notepad.exe PID 3732 wrote to memory of 3988 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3988 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3988 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3988 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3988 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3988 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3988 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3988 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3836 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3836 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3836 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3836 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3836 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3836 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3836 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3836 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 3836 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 2208 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 2208 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 2208 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 2208 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 2208 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 2208 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 2208 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 2208 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 2208 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 920 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 920 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 920 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 920 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 920 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 920 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 920 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 920 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 1036 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 1036 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 1036 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 1036 3732 iexplore.exe iexplore.exe PID 3732 wrote to memory of 1036 3732 iexplore.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
5028df0da2732dc8528ca9b7d7e41be5.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 5028df0da2732dc8528ca9b7d7e41be5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5028df0da2732dc8528ca9b7d7e41be5.exe"C:\Users\Admin\AppData\Local\Temp\5028df0da2732dc8528ca9b7d7e41be5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 102⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1632 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 102⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1264 -
C:\Users\Admin\AppData\Local\Temp\5028df0da2732dc8528ca9b7d7e41be5.exeC:\Users\Admin\AppData\Local\Temp\5028df0da2732dc8528ca9b7d7e41be5.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:2944 -
C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\5028df0da2732dc8528ca9b7d7e41be5.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:3732 -
C:\Windows\SysWOW64\notepad.exenotepad.exe4⤵
- Deletes itself
PID:2836 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\qefowcddn0.txt"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3988 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\qefowcddn1.txt"4⤵PID:3836
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\qefowcddn2.txt"4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2208 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\qefowcddn3.txt"4⤵PID:920
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\qefowcddn4.txt"4⤵PID:1036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 925⤵
- Program crash
PID:2724 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\qefowcddn4.txt"4⤵PID:1280
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1280 -s 925⤵
- Program crash
PID:384 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\qefowcddn4.txt"4⤵PID:824
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
66382a4ca6c4dcf75ce41417d44be93e
SHA18132cbef1c12f8a89a68a6153ade4286bf130812
SHA256a70acce0f4c6ab59b88ce79d84c38d4abffe19b72b033250499b17d788a2db56
SHA5122bf66f2850f4a65220085c55a5b3c8866453104d78fe516e5bd6e3e47df783062ce4ea10de580f2eb0274ac8c3ce71965201c49ef55a78f307731ccc8600aadc
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MD5
2e398f58bc6e1d9a56d56725948d8ae3
SHA152440dfe0628c2f558ccb5f6f2cf354b5ad447d5
SHA2563c4152d14a92f3642d86586382fdc77e506df8e2dab21a8b2e8ad463ae6c40e0
SHA51264ac4e09ee1ee80ee4786209f746c5b7a006f0dc4390d4bad37d1e799deaeb986e0df925c07f8eb64a5996e70c532ac6098d3d75d712a8d0eee69e757f84419e
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MD5
f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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MD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84