Analysis
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max time kernel
95s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-11-2024 21:32
Behavioral task
behavioral1
Sample
kyjjrfgjjsedf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
kyjjrfgjjsedf.exe
Resource
win10v2004-20241007-en
General
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Target
kyjjrfgjjsedf.exe
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Size
1.2MB
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MD5
1116fff8184babad604586db7f460113
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SHA1
8522674ce11b8b8d78e6fd47541e2a357e170bf7
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SHA256
31b47f686dea1e9d175d2a868eeab79e9bbd99d97e22b94203451b545f16139e
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SHA512
aa9242f78f5f8e2789f679e304e2a7d70f64e795247c1706efafa57e4572e580d593628c48fc04221823b80f95e462bfb9b0d5179f7101233b13d93fbf51d8f8
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SSDEEP
24576:i8wnXXnncHLI8JQpn0s9MjemJ5lx1w6Qh0lhSMXl52HTOd:/MXXncHLIJ0s+egDx+6lpSTa
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:
kyjjrfgjjsedf.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation kyjjrfgjjsedf.exe -
Reads user/profile data of web browsers 3 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:
kyjjrfgjjsedf.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kyjjrfgjjsedf.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kyjjrfgjjsedf.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kyjjrfgjjsedf.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kyjjrfgjjsedf.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kyjjrfgjjsedf.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 3 api.ipify.org 5 api.ipify.org -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kyjjrfgjjsedf.exepid Process 1484 kyjjrfgjjsedf.exe 1484 kyjjrfgjjsedf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
kyjjrfgjjsedf.exedescription pid Process Token: SeDebugPrivilege 1484 kyjjrfgjjsedf.exe Token: SeImpersonatePrivilege 1484 kyjjrfgjjsedf.exe -
outlook_office_path 1 IoCs
Processes:
kyjjrfgjjsedf.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kyjjrfgjjsedf.exe -
outlook_win_path 1 IoCs
Processes:
kyjjrfgjjsedf.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kyjjrfgjjsedf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\kyjjrfgjjsedf.exe"C:\Users\Admin\AppData\Local\Temp\kyjjrfgjjsedf.exe"1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1484