Analysis
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max time kernel
174s -
max time network
190s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 09:37
Static task
static1
Behavioral task
behavioral1
Sample
6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe
Resource
win10v2004-20220812-en
General
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Target
6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe
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Size
502KB
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MD5
9a3b13aa4ea56d8de8e9faa388dbe2ce
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SHA1
f087b000b588711bb124b80f8b341629b4dcb298
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SHA256
6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a
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SHA512
98b1c096a6a2b043e3273fb57419a849a3dc477e13090c374beeffb9d0338f019c26d7ee7e5429815d04b1e274d08aeacbce9e0a11b6fceb0ff673e915dba3b5
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SSDEEP
6144:3bS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9m8HT:3QtqB5urTIoYWBQk1E+VF9mOx9m6
Malware Config
Extracted
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
law_rence0
Signatures
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NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3140-134-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/3140-135-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3140-137-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3140-138-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/3280-139-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/3280-140-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3280-142-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3280-143-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3280-145-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 9 IoCs
Processes:
resource yara_rule behavioral2/memory/3140-134-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/3140-135-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3140-137-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3140-138-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3280-139-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/3280-140-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3280-142-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3280-143-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3280-145-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 16 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exedescription pid process target process PID 4952 set thread context of 3140 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 set thread context of 3280 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
vbc.exepid process 3280 vbc.exe 3280 vbc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exedescription pid process Token: SeDebugPrivilege 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exepid process 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exedescription pid process target process PID 4952 wrote to memory of 3140 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3140 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3140 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3140 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3140 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3140 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3140 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3140 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3140 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3280 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3280 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3280 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3280 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3280 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3280 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3280 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3280 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe PID 4952 wrote to memory of 3280 4952 6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe"C:\Users\Admin\AppData\Local\Temp\6d77af2702686dd88c98ad3b7ce1c2a33e6909c80ce33a1446fcc5f9e214726a.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4952 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"2⤵
- Accesses Microsoft Outlook accounts
PID:3140 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3280
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/3140-134-0x0000000000000000-mapping.dmp
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memory/3140-135-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3140-137-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3140-138-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3280-139-0x0000000000000000-mapping.dmp
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memory/3280-140-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3280-142-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3280-143-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3280-145-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/4952-132-0x0000000074A30000-0x0000000074FE1000-memory.dmpFilesize
5.7MB
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memory/4952-133-0x0000000074A30000-0x0000000074FE1000-memory.dmpFilesize
5.7MB