Analysis
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max time kernel
91s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:51
Static task
static1
Behavioral task
behavioral1
Sample
AOS Neptune_028E.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
AOS Neptune_028E.exe
Resource
win10v2004-20220414-en
General
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Target
AOS Neptune_028E.exe
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Size
868KB
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MD5
6113ddc1b5a8d0984b259768fa03a681
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SHA1
269592ed330417b87d325174e1a6ae180b0a4243
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SHA256
cc9cd3fab00a7ca68c26cbf9bfcf691aafd004232149c04d2d082a1fe06b9f32
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SHA512
7ef9de0d9952af32c408040920cb94445b4c166d33a8c25247cd28b75bce6360511f7fdc0954082f43202e2ba9bf0c1ba448df67876808c949c016d08c19e289
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\0F48153F20\Log.txt
masslogger
Extracted
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
y8wG[wgBvT]F
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 32 IoCs
Processes:
resource yara_rule behavioral2/memory/992-136-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-139-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-141-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-143-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-145-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-147-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-149-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-151-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-153-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-155-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-157-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-159-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-161-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-163-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-165-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-167-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-169-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-171-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-173-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-175-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-177-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-179-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-181-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-183-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-185-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-187-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-189-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-191-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-193-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-195-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-197-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/992-199-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
AOS Neptune_028E.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation AOS Neptune_028E.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:
AOS Neptune_028E.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook AOS Neptune_028E.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook AOS Neptune_028E.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook AOS Neptune_028E.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook AOS Neptune_028E.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook AOS Neptune_028E.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook AOS Neptune_028E.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 52 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
AOS Neptune_028E.exedescription pid process target process PID 1204 set thread context of 992 1204 AOS Neptune_028E.exe AOS Neptune_028E.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
AOS Neptune_028E.exepid process 992 AOS Neptune_028E.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
AOS Neptune_028E.exepid process 992 AOS Neptune_028E.exe 992 AOS Neptune_028E.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
AOS Neptune_028E.exedescription pid process Token: SeDebugPrivilege 992 AOS Neptune_028E.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
AOS Neptune_028E.exepid process 992 AOS Neptune_028E.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
AOS Neptune_028E.exedescription pid process target process PID 1204 wrote to memory of 992 1204 AOS Neptune_028E.exe AOS Neptune_028E.exe PID 1204 wrote to memory of 992 1204 AOS Neptune_028E.exe AOS Neptune_028E.exe PID 1204 wrote to memory of 992 1204 AOS Neptune_028E.exe AOS Neptune_028E.exe PID 1204 wrote to memory of 992 1204 AOS Neptune_028E.exe AOS Neptune_028E.exe PID 1204 wrote to memory of 992 1204 AOS Neptune_028E.exe AOS Neptune_028E.exe PID 1204 wrote to memory of 992 1204 AOS Neptune_028E.exe AOS Neptune_028E.exe PID 1204 wrote to memory of 992 1204 AOS Neptune_028E.exe AOS Neptune_028E.exe PID 1204 wrote to memory of 992 1204 AOS Neptune_028E.exe AOS Neptune_028E.exe -
outlook_office_path 1 IoCs
Processes:
AOS Neptune_028E.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AOS Neptune_028E.exe -
outlook_win_path 1 IoCs
Processes:
AOS Neptune_028E.exedescription 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 AOS Neptune_028E.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AOS Neptune_028E.exe"C:\Users\Admin\AppData\Local\Temp\AOS Neptune_028E.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Users\Admin\AppData\Local\Temp\AOS Neptune_028E.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
- outlook_office_path
- outlook_win_path
PID:992
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3