Analysis
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max time kernel
86s -
max time network
92s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
16-05-2022 18:48
Static task
static1
Behavioral task
behavioral1
Sample
b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe
Resource
win10v2004-20220414-en
General
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Target
b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe
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Size
1.1MB
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MD5
c681559b99ec45b7deb597342f829ad1
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SHA1
f9c264ea9987b2377293ebad0722b6389ffe4c99
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SHA256
b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03
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SHA512
804ff57a342d67c5126ea8b54c03afb031d7b51e814e633657e8e91ffdb3c09b2d0271b6649471c10dbdb0388d6f9816cdc3f649b9151916bf7c7fb3e74c388b
Malware Config
Extracted
Protocol: smtp- Host:
mail.nsadv.sg - Port:
587 - Username:
[email protected] - Password:
infonsadv2135
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 6 IoCs
resource yara_rule behavioral1/memory/1268-63-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/1268-65-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/1268-64-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/1268-66-0x000000000048175E-mapping.dmp family_masslogger behavioral1/memory/1268-68-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/1268-70-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe -
Deletes itself 1 IoCs
pid Process 1584 powershell.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 created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.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.
flow ioc 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 536 set thread context of 1268 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 30 -
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 828 schtasks.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 540 powershell.exe 1584 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Token: SeDebugPrivilege 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe Token: SeDebugPrivilege 540 powershell.exe Token: SeDebugPrivilege 1584 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 536 wrote to memory of 828 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 28 PID 536 wrote to memory of 828 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 28 PID 536 wrote to memory of 828 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 28 PID 536 wrote to memory of 828 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 28 PID 536 wrote to memory of 1268 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 30 PID 536 wrote to memory of 1268 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 30 PID 536 wrote to memory of 1268 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 30 PID 536 wrote to memory of 1268 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 30 PID 536 wrote to memory of 1268 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 30 PID 536 wrote to memory of 1268 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 30 PID 536 wrote to memory of 1268 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 30 PID 536 wrote to memory of 1268 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 30 PID 536 wrote to memory of 1268 536 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 30 PID 1268 wrote to memory of 540 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 32 PID 1268 wrote to memory of 540 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 32 PID 1268 wrote to memory of 540 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 32 PID 1268 wrote to memory of 540 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 32 PID 1268 wrote to memory of 1584 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 34 PID 1268 wrote to memory of 1584 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 34 PID 1268 wrote to memory of 1584 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 34 PID 1268 wrote to memory of 1584 1268 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe 34 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe"C:\Users\Admin\AppData\Local\Temp\b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TsWHapCjEjbp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB655.tmp"2⤵
- Creates scheduled task(s)
PID:828
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C:\Users\Admin\AppData\Local\Temp\b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe"{path}"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe'3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:540
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03.exe'3⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1584
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD51f9e0291358ef395207e38c1ad2aefb1
SHA112e9db8cb4360985205d3dc09f801101dda5f668
SHA2562e5af769eca06834a40620bebc4b03cfd384e26faa96f68fb790813959b00857
SHA512cf60f8bda7b4d4be8e9b73b08518834ab7e869356d259cdd9895402dceaca57f4d34d03d9d8d8f1ea11512d655c3e84045579681af15fe8741ce8d0c466ae8db
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD514493932aed9c8b64ef4d849af7f4506
SHA154a97c029086e7fc5ceaf3cba2442fb14c4867a8
SHA2563ef7be0825e77258b5aba5d1a3777708467ea7011443ac9175248613b314f00a
SHA512d03e8ec710fb666e8156946b7754a18b0b586890c166d832a9becf418196837317bc8f15c4b39a6d903dfa837a36bb32e19b5a41e009633e1df86abd899639db