Analysis
- max time kernel
93s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
12/05/2022, 12:07
Static task
static1
Behavioral task
behavioral1
Sample
f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
- Target f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
- Size 526KB
- Sample220512-padd9sgefk
- SHA256 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0
- MD5 0fcbaff6f1058bec983c05d703e12fcf
- SHA1 a687ad827731392ac25d613fd61538b2622b7f85
- SHA512 a5d222e68f45eac88df5a677aaabbcc6e682ac73250fcaa32aaf552102c4ce9310ec101078d0ac879f4e6d441cafb2409e18c9af082ebd11fd1023de330d74d2
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Echelon log file 1 IoCs
Detects a log file produced by Echelon.
yara_rule echelon_log_file - 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 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 17 api.ipify.org 18 api.ipify.org 19 ip-api.com - Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
pid Process 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe - Program crash 1 IoCs
pid pid_target Process procid_target 5008 876 WerFault.exe 82 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 876 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe"C:\Users\Admin\AppData\Local\Temp\f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:876 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 876 -s 23442⤵
- Program crash
PID:5008
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 464 -p 876 -ip 8761⤵PID:3864