Analysis
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max time kernel
135s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
25-06-2022 08:43
Static task
static1
Behavioral task
behavioral1
Sample
39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe
Resource
win10v2004-20220414-en
General
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Target
39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe
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Size
1.1MB
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MD5
b9665036cf4ad2e32ab16c4363058835
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SHA1
51bd61fda3e95e2834f824102107a36b926b8e41
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SHA256
39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84
-
SHA512
5a9f7d732ec4012038f7947df046d9ba7031af407c5cb67ae3569869202a11cc7209e0ee55045f7a3923264d65010a7ef75b17e99c0b1484b40c763684297247
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
longwheelbase2018@yandex.com - Password:
success
Signatures
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NirSoft MailPassView 7 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/956-66-0x0000000002520000-0x00000000025B0000-memory.dmp MailPassView behavioral1/memory/956-69-0x0000000077910000-0x0000000077A90000-memory.dmp MailPassView behavioral1/memory/1792-73-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1792-74-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1792-77-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1792-78-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1792-79-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 7 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/956-66-0x0000000002520000-0x00000000025B0000-memory.dmp WebBrowserPassView behavioral1/memory/956-69-0x0000000077910000-0x0000000077A90000-memory.dmp WebBrowserPassView behavioral1/memory/1352-80-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1352-81-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1352-84-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1352-85-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1352-86-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 12 IoCs
Processes:
resource yara_rule behavioral1/memory/956-66-0x0000000002520000-0x00000000025B0000-memory.dmp Nirsoft behavioral1/memory/956-69-0x0000000077910000-0x0000000077A90000-memory.dmp Nirsoft behavioral1/memory/1792-73-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1792-74-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1792-77-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1792-78-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1792-79-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1352-80-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1352-81-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1352-84-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1352-85-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1352-86-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.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:
39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exedescription pid process target process PID 1348 set thread context of 956 1348 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe PID 956 set thread context of 1792 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exepid process 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exedescription pid process Token: SeDebugPrivilege 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exepid process 1348 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exepid process 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exedescription pid process target process PID 1348 wrote to memory of 956 1348 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe PID 1348 wrote to memory of 956 1348 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe PID 1348 wrote to memory of 956 1348 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe PID 1348 wrote to memory of 956 1348 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe PID 956 wrote to memory of 1792 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe vbc.exe PID 956 wrote to memory of 1792 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe vbc.exe PID 956 wrote to memory of 1792 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe vbc.exe PID 956 wrote to memory of 1792 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe vbc.exe PID 956 wrote to memory of 1792 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe vbc.exe PID 956 wrote to memory of 1792 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe vbc.exe PID 956 wrote to memory of 1792 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe vbc.exe PID 956 wrote to memory of 1792 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe vbc.exe PID 956 wrote to memory of 1792 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe vbc.exe PID 956 wrote to memory of 1792 956 39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe"C:\Users\Admin\AppData\Local\Temp\39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exeC:\Users\Admin\AppData\Local\Temp\39bd69130346e87ad813c557505b2f4074ee7ef6b628955ae984266220b62c84.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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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⤵
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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\holderwb.txt"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/956-58-0x000000000049C0F4-mapping.dmp
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memory/956-63-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/956-66-0x0000000002520000-0x00000000025B0000-memory.dmpFilesize
576KB
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memory/956-69-0x0000000077910000-0x0000000077A90000-memory.dmpFilesize
1.5MB
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memory/956-70-0x0000000077910000-0x0000000077A90000-memory.dmpFilesize
1.5MB
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memory/956-71-0x0000000074AE0000-0x000000007508B000-memory.dmpFilesize
5.7MB
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memory/956-72-0x0000000074AE0000-0x000000007508B000-memory.dmpFilesize
5.7MB
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memory/1348-56-0x00000000003C0000-0x00000000003C7000-memory.dmpFilesize
28KB
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memory/1348-57-0x0000000076531000-0x0000000076533000-memory.dmpFilesize
8KB
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memory/1348-59-0x0000000077910000-0x0000000077A90000-memory.dmpFilesize
1.5MB
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memory/1352-80-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1352-81-0x0000000000442628-mapping.dmp
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memory/1352-84-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1352-85-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1352-86-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1792-77-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1792-78-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1792-79-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1792-74-0x0000000000411654-mapping.dmp
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memory/1792-73-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB