Analysis
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max time kernel
23s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 10:37
Static task
static1
Behavioral task
behavioral1
Sample
file222.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
file222.exe
Resource
win10v2004-20220414-en
General
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Target
file222.exe
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Size
1.4MB
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MD5
c9d56cb33b65cda35b2982afc41bc715
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SHA1
b1e5ea66b740109e438142b0db1bab5eb474c30e
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SHA256
69683827d1c627e34cd0c916bd53c3d1ab75c1bb48caa57543f1eaeb315f4f2d
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SHA512
058b32cb57eab4d3eb7d1d6b778421f1f1513b46cae03aa3fc98f7f3c9c0a85a4f47a398f054b6366d70285836e795b2fafe04133e1927934e028f271446ac3d
Malware Config
Signatures
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
file222.exedescription pid process target process PID 916 set thread context of 1216 916 file222.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 1216 RegAsm.exe 1216 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
file222.exepid process 916 file222.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 1216 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
file222.exepid process 916 file222.exe 916 file222.exe 916 file222.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
file222.exepid process 916 file222.exe 916 file222.exe 916 file222.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
file222.exedescription pid process target process PID 916 wrote to memory of 1216 916 file222.exe RegAsm.exe PID 916 wrote to memory of 1216 916 file222.exe RegAsm.exe PID 916 wrote to memory of 1216 916 file222.exe RegAsm.exe PID 916 wrote to memory of 1216 916 file222.exe RegAsm.exe PID 916 wrote to memory of 1216 916 file222.exe RegAsm.exe PID 916 wrote to memory of 1216 916 file222.exe RegAsm.exe PID 916 wrote to memory of 1216 916 file222.exe RegAsm.exe PID 916 wrote to memory of 1216 916 file222.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file222.exe"C:\Users\Admin\AppData\Local\Temp\file222.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1216
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/916-54-0x0000000075711000-0x0000000075713000-memory.dmpFilesize
8KB
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memory/916-56-0x0000000000B40000-0x0000000000BD2000-memory.dmpFilesize
584KB
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memory/916-57-0x0000000002F60000-0x0000000002FF2000-memory.dmpFilesize
584KB
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memory/1216-55-0x000000000044A37E-mapping.dmp
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memory/1216-59-0x0000000073CE0000-0x000000007428B000-memory.dmpFilesize
5.7MB