Analysis
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max time kernel
121s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 05:02
Static task
static1
Behavioral task
behavioral1
Sample
0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe
Resource
win7-20220812-en
General
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Target
0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe
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Size
540KB
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MD5
367543714fedbca9ecef7c320bc68a34
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SHA1
8b0db5188606c474343a3cf72039a32d4a813ac7
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SHA256
0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8
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SHA512
80f7954c0e1ca402bd77029e186808b2ac60a50e62b1c76e9c580284db5f4ba846931250aff15427cf8fb45467a45356fc95e67b1fa620e5491eecb3e2cdd3eb
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SSDEEP
6144:kumGBBbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9UDH:/QtqB5urTIoYWBQk1E+VF9mOx9U1V
Malware Config
Signatures
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NirSoft MailPassView 8 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\Windows Update.exe MailPassView C:\Users\Admin\AppData\Roaming\Windows Update.exe MailPassView C:\Users\Admin\AppData\Roaming\Windows Update.exe MailPassView behavioral1/memory/900-66-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/900-67-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/900-70-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/900-72-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/900-73-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 8 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\Windows Update.exe WebBrowserPassView C:\Users\Admin\AppData\Roaming\Windows Update.exe WebBrowserPassView C:\Users\Admin\AppData\Roaming\Windows Update.exe WebBrowserPassView behavioral1/memory/1616-74-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1616-75-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1616-78-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1616-79-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1616-80-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 13 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\Windows Update.exe Nirsoft C:\Users\Admin\AppData\Roaming\Windows Update.exe Nirsoft C:\Users\Admin\AppData\Roaming\Windows Update.exe Nirsoft behavioral1/memory/900-66-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/900-67-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/900-70-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/900-72-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/900-73-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1616-74-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1616-75-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1616-78-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1616-79-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1616-80-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 1 IoCs
Processes:
Windows Update.exepid process 1936 Windows Update.exe -
Deletes itself 1 IoCs
Processes:
Windows Update.exepid process 1936 Windows Update.exe -
Loads dropped DLL 1 IoCs
Processes:
0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exepid process 1504 0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com 7 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
Windows Update.exedescription pid process target process PID 1936 set thread context of 900 1936 Windows Update.exe vbc.exe PID 1936 set thread context of 1616 1936 Windows Update.exe vbc.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 2 IoCs
Processes:
Windows Update.exepid process 1936 Windows Update.exe 1936 Windows Update.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Windows Update.exedescription pid process Token: SeDebugPrivilege 1936 Windows Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Windows Update.exepid process 1936 Windows Update.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exeWindows Update.exedescription pid process target process PID 1504 wrote to memory of 1936 1504 0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe Windows Update.exe PID 1504 wrote to memory of 1936 1504 0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe Windows Update.exe PID 1504 wrote to memory of 1936 1504 0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe Windows Update.exe PID 1504 wrote to memory of 1936 1504 0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe Windows Update.exe PID 1504 wrote to memory of 1936 1504 0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe Windows Update.exe PID 1504 wrote to memory of 1936 1504 0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe Windows Update.exe PID 1504 wrote to memory of 1936 1504 0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe Windows Update.exe PID 1936 wrote to memory of 900 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 900 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 900 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 900 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 900 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 900 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 900 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 900 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 900 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 900 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 1616 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 1616 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 1616 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 1616 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 1616 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 1616 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 1616 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 1616 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 1616 1936 Windows Update.exe vbc.exe PID 1936 wrote to memory of 1616 1936 Windows Update.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe"C:\Users\Admin\AppData\Local\Temp\0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1504 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"2⤵
- Executes dropped EXE
- Deletes itself
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1936 -
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"3⤵
- Accesses Microsoft Outlook accounts
PID:900
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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"3⤵PID:1616
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
102B
MD5449eda2e2efb565a1f5d97a677e269a4
SHA1d3e4852a68926b79573c03702d4f7331182e66ba
SHA25654e077ab8fa6dead86eb025581fc601d42671e2a4acac4d47069a7076c80743d
SHA512a0adfebb17ece0bc2505baece6896e3bc53e0dbb6737371fb18547baf7e9bbd480f42e1b180db7025262a8bf7499609bb106c03b726aff2a39ace5f3211d5be8
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
540KB
MD5367543714fedbca9ecef7c320bc68a34
SHA18b0db5188606c474343a3cf72039a32d4a813ac7
SHA2560d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8
SHA51280f7954c0e1ca402bd77029e186808b2ac60a50e62b1c76e9c580284db5f4ba846931250aff15427cf8fb45467a45356fc95e67b1fa620e5491eecb3e2cdd3eb
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Filesize
540KB
MD5367543714fedbca9ecef7c320bc68a34
SHA18b0db5188606c474343a3cf72039a32d4a813ac7
SHA2560d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8
SHA51280f7954c0e1ca402bd77029e186808b2ac60a50e62b1c76e9c580284db5f4ba846931250aff15427cf8fb45467a45356fc95e67b1fa620e5491eecb3e2cdd3eb
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Filesize
540KB
MD5367543714fedbca9ecef7c320bc68a34
SHA18b0db5188606c474343a3cf72039a32d4a813ac7
SHA2560d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8
SHA51280f7954c0e1ca402bd77029e186808b2ac60a50e62b1c76e9c580284db5f4ba846931250aff15427cf8fb45467a45356fc95e67b1fa620e5491eecb3e2cdd3eb