Analysis
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max time kernel
151s -
max time network
183s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 00:50
Static task
static1
Behavioral task
behavioral1
Sample
NEWSC_37.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
NEWSC_37.exe
Resource
win10v2004-20220414-en
General
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Target
NEWSC_37.exe
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Size
1.2MB
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MD5
e83e32c469eed4bee5aa056ddfbf2d54
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SHA1
eac7c02821527551bdcae95ced049c7975923e6d
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SHA256
a4df7bd8daff5a4723055c7589244e1719c45223f09f42b06a621aad5ee1f2f4
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SHA512
6f4f63ac5e2592a4018a4cccb41282c8d346a1d9fac6bed5c2583692353cb9a6b230f595c98bbf4d6412a6b7a4a10e29066817218c4ae2cd96aa7741058af14c
Malware Config
Extracted
C:\Users\Admin\AppData\Local\AEF946DCB4\Log.txt
masslogger
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.
yara_rule masslogger_log_file -
Executes dropped EXE 2 IoCs
pid Process 1548 vlc.exe 1188 vlc.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation NEWSC_37.exe Key value queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation vlc.exe -
Loads dropped DLL 1 IoCs
pid Process 1476 cmd.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 35 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook vlc.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook vlc.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook vlc.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook vlc.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 7 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1064 set thread context of 1088 1064 NEWSC_37.exe 28 PID 1548 set thread context of 1188 1548 vlc.exe 37 -
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.
pid Process 580 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1692 timeout.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1188 vlc.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 1064 NEWSC_37.exe 1064 NEWSC_37.exe 1064 NEWSC_37.exe 1088 NEWSC_37.exe 1088 NEWSC_37.exe 1088 NEWSC_37.exe 1088 NEWSC_37.exe 1548 vlc.exe 1548 vlc.exe 1188 vlc.exe 1188 vlc.exe 1188 vlc.exe 1188 vlc.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1064 NEWSC_37.exe Token: SeDebugPrivilege 1088 NEWSC_37.exe Token: SeDebugPrivilege 1548 vlc.exe Token: SeDebugPrivilege 1188 vlc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1188 vlc.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 1064 wrote to memory of 1088 1064 NEWSC_37.exe 28 PID 1064 wrote to memory of 1088 1064 NEWSC_37.exe 28 PID 1064 wrote to memory of 1088 1064 NEWSC_37.exe 28 PID 1064 wrote to memory of 1088 1064 NEWSC_37.exe 28 PID 1064 wrote to memory of 1088 1064 NEWSC_37.exe 28 PID 1064 wrote to memory of 1088 1064 NEWSC_37.exe 28 PID 1064 wrote to memory of 1088 1064 NEWSC_37.exe 28 PID 1064 wrote to memory of 1088 1064 NEWSC_37.exe 28 PID 1064 wrote to memory of 1088 1064 NEWSC_37.exe 28 PID 1088 wrote to memory of 688 1088 NEWSC_37.exe 30 PID 1088 wrote to memory of 688 1088 NEWSC_37.exe 30 PID 1088 wrote to memory of 688 1088 NEWSC_37.exe 30 PID 1088 wrote to memory of 688 1088 NEWSC_37.exe 30 PID 1088 wrote to memory of 1476 1088 NEWSC_37.exe 32 PID 1088 wrote to memory of 1476 1088 NEWSC_37.exe 32 PID 1088 wrote to memory of 1476 1088 NEWSC_37.exe 32 PID 1088 wrote to memory of 1476 1088 NEWSC_37.exe 32 PID 688 wrote to memory of 580 688 cmd.exe 34 PID 688 wrote to memory of 580 688 cmd.exe 34 PID 688 wrote to memory of 580 688 cmd.exe 34 PID 688 wrote to memory of 580 688 cmd.exe 34 PID 1476 wrote to memory of 1692 1476 cmd.exe 35 PID 1476 wrote to memory of 1692 1476 cmd.exe 35 PID 1476 wrote to memory of 1692 1476 cmd.exe 35 PID 1476 wrote to memory of 1692 1476 cmd.exe 35 PID 1476 wrote to memory of 1548 1476 cmd.exe 36 PID 1476 wrote to memory of 1548 1476 cmd.exe 36 PID 1476 wrote to memory of 1548 1476 cmd.exe 36 PID 1476 wrote to memory of 1548 1476 cmd.exe 36 PID 1548 wrote to memory of 1188 1548 vlc.exe 37 PID 1548 wrote to memory of 1188 1548 vlc.exe 37 PID 1548 wrote to memory of 1188 1548 vlc.exe 37 PID 1548 wrote to memory of 1188 1548 vlc.exe 37 PID 1548 wrote to memory of 1188 1548 vlc.exe 37 PID 1548 wrote to memory of 1188 1548 vlc.exe 37 PID 1548 wrote to memory of 1188 1548 vlc.exe 37 PID 1548 wrote to memory of 1188 1548 vlc.exe 37 PID 1548 wrote to memory of 1188 1548 vlc.exe 37 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vlc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEWSC_37.exe"C:\Users\Admin\AppData\Local\Temp\NEWSC_37.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Users\Admin\AppData\Local\Temp\NEWSC_37.exe"{path}"2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn vlc.exe /tr '"C:\Users\Admin\VideoLAN\vlc.exe"' & exit3⤵
- Suspicious use of WriteProcessMemory
PID:688 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn vlc.exe /tr '"C:\Users\Admin\VideoLAN\vlc.exe"'4⤵
- Creates scheduled task(s)
PID:580
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp5D3E.tmp.bat""3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\timeout.exetimeout 34⤵
- Delays execution with timeout.exe
PID:1692
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C:\Users\Admin\VideoLAN\vlc.exe"C:\Users\Admin\VideoLAN\vlc.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Users\Admin\VideoLAN\vlc.exe"{path}"5⤵
- Executes dropped EXE
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1188
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
140B
MD52be990a4bc6b5a996366bc4f54a9db66
SHA12d16c4f0349a5a43a47959c8ece53e8915aa365c
SHA2566e3340e1dce933036272a597df451732534b38bc10f1345f5ffc4ec139011397
SHA5128fa31e024a68031b32b1d54db360c10fec053bcf6923f62c51310f5e7a18b8b4065c3c562f8328d64bc6d1fc50ad6fcd5b68ed6a55bfaefbbc6db72abd8cdab3
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Filesize
1.2MB
MD5e83e32c469eed4bee5aa056ddfbf2d54
SHA1eac7c02821527551bdcae95ced049c7975923e6d
SHA256a4df7bd8daff5a4723055c7589244e1719c45223f09f42b06a621aad5ee1f2f4
SHA5126f4f63ac5e2592a4018a4cccb41282c8d346a1d9fac6bed5c2583692353cb9a6b230f595c98bbf4d6412a6b7a4a10e29066817218c4ae2cd96aa7741058af14c
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Filesize
1.2MB
MD5e83e32c469eed4bee5aa056ddfbf2d54
SHA1eac7c02821527551bdcae95ced049c7975923e6d
SHA256a4df7bd8daff5a4723055c7589244e1719c45223f09f42b06a621aad5ee1f2f4
SHA5126f4f63ac5e2592a4018a4cccb41282c8d346a1d9fac6bed5c2583692353cb9a6b230f595c98bbf4d6412a6b7a4a10e29066817218c4ae2cd96aa7741058af14c
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Filesize
1.2MB
MD5e83e32c469eed4bee5aa056ddfbf2d54
SHA1eac7c02821527551bdcae95ced049c7975923e6d
SHA256a4df7bd8daff5a4723055c7589244e1719c45223f09f42b06a621aad5ee1f2f4
SHA5126f4f63ac5e2592a4018a4cccb41282c8d346a1d9fac6bed5c2583692353cb9a6b230f595c98bbf4d6412a6b7a4a10e29066817218c4ae2cd96aa7741058af14c
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Filesize
1.2MB
MD5e83e32c469eed4bee5aa056ddfbf2d54
SHA1eac7c02821527551bdcae95ced049c7975923e6d
SHA256a4df7bd8daff5a4723055c7589244e1719c45223f09f42b06a621aad5ee1f2f4
SHA5126f4f63ac5e2592a4018a4cccb41282c8d346a1d9fac6bed5c2583692353cb9a6b230f595c98bbf4d6412a6b7a4a10e29066817218c4ae2cd96aa7741058af14c