Analysis
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max time kernel
156s -
max time network
167s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
25-06-2022 06:30
Static task
static1
Behavioral task
behavioral1
Sample
3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe
Resource
win10v2004-20220414-en
General
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Target
3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe
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Size
1.0MB
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MD5
352c94d7274f0db55cc2a7de88d1a461
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SHA1
1ef0e6adc7658520eda8da5044697615e77881f3
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SHA256
3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe
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SHA512
61d6420c3f8ccef965a1425f7c3fd5d3961bf9c35c3ccea0903f1131d90728606d02249c3f7ecf214c9b2a20eb53be5a691dac8c737b7a7f7ffc2394595ff8b0
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
longwheelbase2018@yandex.com - Password:
myrecords1248
Signatures
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NirSoft MailPassView 9 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/2036-58-0x0000000000100000-0x0000000000184000-memory.dmp MailPassView behavioral1/memory/2036-57-0x0000000000100000-0x0000000000184000-memory.dmp MailPassView behavioral1/memory/2036-62-0x0000000000100000-0x0000000000184000-memory.dmp MailPassView behavioral1/memory/2036-65-0x0000000000100000-0x0000000000184000-memory.dmp MailPassView behavioral1/memory/316-69-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/316-70-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/316-73-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/316-76-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/316-78-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 8 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/2036-58-0x0000000000100000-0x0000000000184000-memory.dmp WebBrowserPassView behavioral1/memory/2036-57-0x0000000000100000-0x0000000000184000-memory.dmp WebBrowserPassView behavioral1/memory/2036-62-0x0000000000100000-0x0000000000184000-memory.dmp WebBrowserPassView behavioral1/memory/2036-65-0x0000000000100000-0x0000000000184000-memory.dmp WebBrowserPassView behavioral1/memory/328-77-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/328-79-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/328-82-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/328-84-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 13 IoCs
Processes:
resource yara_rule behavioral1/memory/2036-58-0x0000000000100000-0x0000000000184000-memory.dmp Nirsoft behavioral1/memory/2036-57-0x0000000000100000-0x0000000000184000-memory.dmp Nirsoft behavioral1/memory/2036-62-0x0000000000100000-0x0000000000184000-memory.dmp Nirsoft behavioral1/memory/2036-65-0x0000000000100000-0x0000000000184000-memory.dmp Nirsoft behavioral1/memory/316-69-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/316-70-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/316-73-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/316-76-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/328-77-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/328-79-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/316-78-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/328-82-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/328-84-0x0000000000400000-0x0000000000458000-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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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegAsm.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" RegAsm.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 3 IoCs
Processes:
3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exeRegAsm.exedescription pid process target process PID 1392 set thread context of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 2036 set thread context of 316 2036 RegAsm.exe vbc.exe PID 2036 set thread context of 328 2036 RegAsm.exe vbc.exe -
Drops file in Windows directory 2 IoCs
Processes:
3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exedescription ioc process File created C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe File created C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
RegAsm.exepid process 2036 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe Token: SeDebugPrivilege 2036 RegAsm.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exeRegAsm.exedescription pid process target process PID 1392 wrote to memory of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 1392 wrote to memory of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 1392 wrote to memory of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 1392 wrote to memory of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 1392 wrote to memory of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 1392 wrote to memory of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 1392 wrote to memory of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 1392 wrote to memory of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 1392 wrote to memory of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 1392 wrote to memory of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 1392 wrote to memory of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 1392 wrote to memory of 2036 1392 3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe RegAsm.exe PID 2036 wrote to memory of 316 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 316 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 316 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 316 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 316 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 316 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 316 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 316 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 316 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 316 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 328 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 328 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 328 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 328 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 328 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 328 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 328 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 328 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 328 2036 RegAsm.exe vbc.exe PID 2036 wrote to memory of 328 2036 RegAsm.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe"C:\Users\Admin\AppData\Local\Temp\3a2ad0bdeda7c25c8aab96d2d2c2475d4dcb46be7ba69e23b98ae0c8f75c4dbe.exe"1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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⤵
- Accesses Microsoft Outlook accounts
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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/316-69-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/316-78-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/316-76-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/316-73-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/316-70-0x0000000000411654-mapping.dmp
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memory/328-77-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/328-84-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/328-82-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/328-79-0x0000000000442628-mapping.dmp
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memory/1392-54-0x0000000075951000-0x0000000075953000-memory.dmpFilesize
8KB
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memory/1392-68-0x0000000074710000-0x0000000074CBB000-memory.dmpFilesize
5.7MB
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memory/1392-55-0x0000000074710000-0x0000000074CBB000-memory.dmpFilesize
5.7MB
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memory/1392-56-0x0000000074710000-0x0000000074CBB000-memory.dmpFilesize
5.7MB
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memory/2036-62-0x0000000000100000-0x0000000000184000-memory.dmpFilesize
528KB
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memory/2036-58-0x0000000000100000-0x0000000000184000-memory.dmpFilesize
528KB
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memory/2036-75-0x0000000000926000-0x0000000000937000-memory.dmpFilesize
68KB
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memory/2036-74-0x0000000074710000-0x0000000074CBB000-memory.dmpFilesize
5.7MB
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memory/2036-57-0x0000000000100000-0x0000000000184000-memory.dmpFilesize
528KB
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memory/2036-67-0x0000000074710000-0x0000000074CBB000-memory.dmpFilesize
5.7MB
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memory/2036-65-0x0000000000100000-0x0000000000184000-memory.dmpFilesize
528KB
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memory/2036-85-0x0000000000926000-0x0000000000937000-memory.dmpFilesize
68KB