Analysis
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max time kernel
60s -
max time network
167s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
08-05-2022 22:07
Static task
static1
Behavioral task
behavioral1
Sample
11-10-2020 NEW SPECIF #3309 MCHN.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
11-10-2020 NEW SPECIF #3309 MCHN.exe
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
11_07_2020 PO_INVOICE #3309247.exe
Resource
win7-20220414-en
Behavioral task
behavioral4
Sample
11_07_2020 PO_INVOICE #3309247.exe
Resource
win10v2004-20220414-en
General
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Target
11_07_2020 PO_INVOICE #3309247.exe
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Size
172KB
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MD5
ed21990ff9e29addfd9252f1ba0b30d4
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SHA1
1f34df7a5cd551dcb5ec24227fbd1a985cbbe4ef
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SHA256
8963180e8b2e7e51c5abd716e7a562ad010f663c41a38015ad2566231a7da9af
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SHA512
c22f99e61f7b823f412f5c5ad5173096c38aab57833ab2ac61a5a38b173cc97b154a7b90d0d94fa6844eb8c371057429ba22a63533fcf4487e3eb19c0291dc06
Malware Config
Signatures
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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\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5 = "C:\\Users\\Admin\\AppData\\Roaming\\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5.exe" iexplore.exe -
Processes:
11_07_2020 PO_INVOICE #3309247.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" 11_07_2020 PO_INVOICE #3309247.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
iexplore.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts iexplore.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\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5 = "C:\\Users\\Admin\\AppData\\Roaming\\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5.exe" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5 = "C:\\Users\\Admin\\AppData\\Roaming\\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5.exe" iexplore.exe -
Processes:
11_07_2020 PO_INVOICE #3309247.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 11_07_2020 PO_INVOICE #3309247.exe -
Suspicious use of SetThreadContext 7 IoCs
Processes:
11_07_2020 PO_INVOICE #3309247.exeiexplore.exedescription pid process target process PID 988 set thread context of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 set thread context of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 1588 set thread context of 964 1588 iexplore.exe iexplore.exe PID 1588 set thread context of 240 1588 iexplore.exe iexplore.exe PID 1588 set thread context of 888 1588 iexplore.exe iexplore.exe PID 1588 set thread context of 1060 1588 iexplore.exe iexplore.exe PID 1588 set thread context of 432 1588 iexplore.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
11_07_2020 PO_INVOICE #3309247.exepid process 988 11_07_2020 PO_INVOICE #3309247.exe 988 11_07_2020 PO_INVOICE #3309247.exe 988 11_07_2020 PO_INVOICE #3309247.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
iexplore.exeiexplore.exedescription pid process Token: SeDebugPrivilege 1588 iexplore.exe Token: SeDebugPrivilege 964 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
11_07_2020 PO_INVOICE #3309247.exeiexplore.exepid process 988 11_07_2020 PO_INVOICE #3309247.exe 1588 iexplore.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
11_07_2020 PO_INVOICE #3309247.exeiexplore.exedescription pid process target process PID 988 wrote to memory of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1652 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 988 wrote to memory of 1588 988 11_07_2020 PO_INVOICE #3309247.exe iexplore.exe PID 1588 wrote to memory of 964 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 964 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 964 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 964 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 964 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 964 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 964 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 964 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 964 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 964 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 964 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 964 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 240 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 888 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 1060 1588 iexplore.exe iexplore.exe PID 1588 wrote to memory of 1060 1588 iexplore.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
11_07_2020 PO_INVOICE #3309247.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 11_07_2020 PO_INVOICE #3309247.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\11_07_2020 PO_INVOICE #3309247.exe"C:\Users\Admin\AppData\Local\Temp\11_07_2020 PO_INVOICE #3309247.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\11_07_2020 PO_INVOICE #3309247.exe2⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\11_07_2020 PO_INVOICE #3309247.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\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\kfdxnycwp0.txt"3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\kfdxnycwp1.txt"3⤵
- Accesses Microsoft Outlook accounts
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\kfdxnycwp2.txt"3⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\kfdxnycwp3.txt"3⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\kfdxnycwp4.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\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\kfdxnycwp2.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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C:\Users\Admin\AppData\Roaming\K8Q3I007-I4H2-R2V0-W0G8-T1Q3K5W771L5\kfdxnycwp4.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/988-54-0x00000000759F1000-0x00000000759F3000-memory.dmpFilesize
8KB