Analysis
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max time kernel
105s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 02:41
Static task
static1
Behavioral task
behavioral1
Sample
scan00465.pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
scan00465.pdf.exe
Resource
win10v2004-20220414-en
General
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Target
scan00465.pdf.exe
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Size
1.1MB
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MD5
9964435d5a0219c8145afd6dedda05e0
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SHA1
f2c56a7896e345f8178c2ecb0ead6d9a3b6461c3
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SHA256
b2a81f319b87bf35c7fb1ccac2e2fbf82ef6d3263ae2cb8fa5c242f43bfbfd39
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SHA512
818a13667d2cdd9c0019868bfc685f36068c54e05336f4b3ef827955e9defcfce6881f98f27e0ce812446409d34e7e053154f6358009f7b85a8bb2ba7cd836b8
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\8236ADF044\Log.txt
masslogger
Extracted
Protocol: smtp- Host:
mail.saritatravels.com - Port:
587 - Username:
[email protected] - Password:
sumits%$321
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
scan00465.pdf.exescan00465.pdf.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation scan00465.pdf.exe Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation scan00465.pdf.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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Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs
Processes:
scan00465.pdf.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe Key queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook scan00465.pdf.exe Key queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook scan00465.pdf.exe Key queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe Key queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook scan00465.pdf.exe Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook scan00465.pdf.exe Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook scan00465.pdf.exe Key queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe Key queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook scan00465.pdf.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 41 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
scan00465.pdf.exedescription pid process target process PID 2964 set thread context of 2352 2964 scan00465.pdf.exe scan00465.pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
scan00465.pdf.exescan00465.pdf.exepid process 2964 scan00465.pdf.exe 2964 scan00465.pdf.exe 2964 scan00465.pdf.exe 2352 scan00465.pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
scan00465.pdf.exescan00465.pdf.exedescription pid process Token: SeDebugPrivilege 2964 scan00465.pdf.exe Token: SeDebugPrivilege 2352 scan00465.pdf.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
scan00465.pdf.exedescription pid process target process PID 2964 wrote to memory of 4256 2964 scan00465.pdf.exe schtasks.exe PID 2964 wrote to memory of 4256 2964 scan00465.pdf.exe schtasks.exe PID 2964 wrote to memory of 4256 2964 scan00465.pdf.exe schtasks.exe PID 2964 wrote to memory of 4264 2964 scan00465.pdf.exe scan00465.pdf.exe PID 2964 wrote to memory of 4264 2964 scan00465.pdf.exe scan00465.pdf.exe PID 2964 wrote to memory of 4264 2964 scan00465.pdf.exe scan00465.pdf.exe PID 2964 wrote to memory of 2352 2964 scan00465.pdf.exe scan00465.pdf.exe PID 2964 wrote to memory of 2352 2964 scan00465.pdf.exe scan00465.pdf.exe PID 2964 wrote to memory of 2352 2964 scan00465.pdf.exe scan00465.pdf.exe PID 2964 wrote to memory of 2352 2964 scan00465.pdf.exe scan00465.pdf.exe PID 2964 wrote to memory of 2352 2964 scan00465.pdf.exe scan00465.pdf.exe PID 2964 wrote to memory of 2352 2964 scan00465.pdf.exe scan00465.pdf.exe PID 2964 wrote to memory of 2352 2964 scan00465.pdf.exe scan00465.pdf.exe PID 2964 wrote to memory of 2352 2964 scan00465.pdf.exe scan00465.pdf.exe -
outlook_office_path 1 IoCs
Processes:
scan00465.pdf.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe -
outlook_win_path 1 IoCs
Processes:
scan00465.pdf.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scan00465.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\scan00465.pdf.exe"C:\Users\Admin\AppData\Local\Temp\scan00465.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BzSLPao" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A9A.tmp"2⤵
- Creates scheduled task(s)
PID:4256
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C:\Users\Admin\AppData\Local\Temp\scan00465.pdf.exe"{path}"2⤵PID:4264
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C:\Users\Admin\AppData\Local\Temp\scan00465.pdf.exe"{path}"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2352
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
1KB
MD5f786a3c6e2c8d55dcf420dc1c4d5bd05
SHA1f089c434af744daade5045e2863c9b923421aa1b
SHA25692433c7c668aff1872750bcf28925c689e338fa970712c1c04688e4ae9719b53
SHA51271743083639bbedebd4352c50b9da46047b2da2b2838bff8a67c0101d768b382597556d1faa570607b7e75f6e22325ff97d44a38b2b5d939489343c928025663