Analysis
- max time kernel
91s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
20/04/2022, 02:24
Static task
static1
Behavioral task
behavioral1
Sample
cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
- Target cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe
- Size 3.3MB
- Sample220420-cv5yssdfbk
- SHA256 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e
- MD5 83ceb8cd46608b79ffaf2798cdad8027
- SHA1 e873ec72d9fcf7cb582e5ccbf6b6a5b640f42e84
- SHA512 3e94cfced5299e5765c305ef6ffa3a5fb42d5c0979a6a39bb5dfd072974e11e482fcd31463544d37a450f2695a32cd1b5502756bc0f31dcb0e63544b227d23b2
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 1 IoCs
resource yara_rule behavioral2/memory/1468-135-0x0000000000400000-0x0000000000486000-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-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.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 8 api.ipify.org - Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
pid Process 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2452 set thread context of 1468 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 83 - Program crash 1 IoCs
pid pid_target Process procid_target 3076 2452 WerFault.exe 80 - Delays execution with timeout.exe 1 IoCs
pid Process 3740 timeout.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1468 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe - Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 1468 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 1468 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 1468 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 1468 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe Token: SeDebugPrivilege 1468 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1468 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2452 wrote to memory of 3740 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 81 PID 2452 wrote to memory of 3740 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 81 PID 2452 wrote to memory of 3740 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 81 PID 2452 wrote to memory of 1468 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 83 PID 2452 wrote to memory of 1468 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 83 PID 2452 wrote to memory of 1468 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 83 PID 2452 wrote to memory of 1468 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 83 PID 2452 wrote to memory of 1468 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 83 PID 2452 wrote to memory of 1468 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 83 PID 2452 wrote to memory of 1468 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 83 PID 2452 wrote to memory of 1468 2452 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe 83 - outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe - outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe"C:\Users\Admin\AppData\Local\Temp\cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2452 -
C:\Windows\SysWOW64\timeout.exetimeout 42⤵
- Delays execution with timeout.exe
PID:3740
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C:\Users\Admin\AppData\Local\Temp\cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe"C:\Users\Admin\AppData\Local\Temp\cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e.exe"2⤵
- 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:1468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 10682⤵
- Program crash
PID:3076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2452 -ip 24521⤵PID:2584