Analysis
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max time kernel
142s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14-04-2024 20:53
Behavioral task
behavioral1
Sample
pclient.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
pclient.exe
Resource
win10v2004-20240226-en
General
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Target
pclient.exe
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Size
840KB
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MD5
d8ea5289f6d44800fa12b8e8c0b96eeb
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SHA1
31f09f936217c886d756af8a38ad579e83b3c952
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SHA256
29a522d6063c16d08a83091979941a3e2cbc0857faa1dcf0154acc38c5fd34d4
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SHA512
50fbdaee80beba732f8ed52c9a0d49615bdd7ad81d516f750202bc503d1c37ed1d06c1776a1f83034a0f8e7b7841d5a7fec4e21662ec5dcb80e8663d6a69940a
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SSDEEP
24576:7/dk1VlPNWNkbjx/W9ikYa651yu5/XsrXKbRSxlfjjZS:BuVlPNWNkbjx/A2h735vsDAUa
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
pclient.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation pclient.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 5 IoCs
Processes:
pclient.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 pclient.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 pclient.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 pclient.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 pclient.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 pclient.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 47 api.ipify.org 48 api.ipify.org -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
pclient.exepid process 5004 pclient.exe 5004 pclient.exe 5004 pclient.exe 5004 pclient.exe 5004 pclient.exe 5004 pclient.exe 5004 pclient.exe 5004 pclient.exe 5004 pclient.exe 5004 pclient.exe 5004 pclient.exe 5004 pclient.exe 5004 pclient.exe 5004 pclient.exe -
outlook_office_path 1 IoCs
Processes:
pclient.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 pclient.exe -
outlook_win_path 1 IoCs
Processes:
pclient.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 pclient.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\pclient.exe"C:\Users\Admin\AppData\Local\Temp\pclient.exe"1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:5004
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3712 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:81⤵PID:3152