Analysis
-
max time kernel
140s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 00:40
Static task
static1
Behavioral task
behavioral1
Sample
RQF.49254960 annex.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
RQF.49254960 annex.exe
Resource
win10v2004-20220414-en
General
-
Target
RQF.49254960 annex.exe
-
Size
1.1MB
-
MD5
05b38d4a44ea9242439c3143809cc1e5
-
SHA1
f0b6b086ae839312178d27ea01e8034cbefab227
-
SHA256
9d12d73cdddda4b11bbfa38b1bc056e20063a75f38decb5e8af5e6a30c078673
-
SHA512
e5123993d2631d6fb10f14b32ca3313979e6297716b29aa99081e134214c73ae49142c403a1288362dfc4d715a8791ade7ccb0d819d690b5f7561ab98012adb3
Malware Config
Extracted
C:\Users\Admin\AppData\Local\3B8E3C2477\Log.txt
masslogger
Signatures
-
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
-
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:
RQF.49254960 annex.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation RQF.49254960 annex.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 35 IoCs
Processes:
RQF.49254960 annex.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook RQF.49254960 annex.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook RQF.49254960 annex.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RQF.49254960 annex.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RQF.49254960 annex.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook RQF.49254960 annex.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RQF.49254960 annex.exedescription pid process target process PID 2008 set thread context of 812 2008 RQF.49254960 annex.exe RQF.49254960 annex.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
RQF.49254960 annex.exepid process 812 RQF.49254960 annex.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
RQF.49254960 annex.exeRQF.49254960 annex.exepid process 2008 RQF.49254960 annex.exe 2008 RQF.49254960 annex.exe 2008 RQF.49254960 annex.exe 812 RQF.49254960 annex.exe 812 RQF.49254960 annex.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
RQF.49254960 annex.exeRQF.49254960 annex.exedescription pid process Token: SeDebugPrivilege 2008 RQF.49254960 annex.exe Token: SeDebugPrivilege 812 RQF.49254960 annex.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RQF.49254960 annex.exepid process 812 RQF.49254960 annex.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
RQF.49254960 annex.exedescription pid process target process PID 2008 wrote to memory of 812 2008 RQF.49254960 annex.exe RQF.49254960 annex.exe PID 2008 wrote to memory of 812 2008 RQF.49254960 annex.exe RQF.49254960 annex.exe PID 2008 wrote to memory of 812 2008 RQF.49254960 annex.exe RQF.49254960 annex.exe PID 2008 wrote to memory of 812 2008 RQF.49254960 annex.exe RQF.49254960 annex.exe PID 2008 wrote to memory of 812 2008 RQF.49254960 annex.exe RQF.49254960 annex.exe PID 2008 wrote to memory of 812 2008 RQF.49254960 annex.exe RQF.49254960 annex.exe PID 2008 wrote to memory of 812 2008 RQF.49254960 annex.exe RQF.49254960 annex.exe PID 2008 wrote to memory of 812 2008 RQF.49254960 annex.exe RQF.49254960 annex.exe PID 2008 wrote to memory of 812 2008 RQF.49254960 annex.exe RQF.49254960 annex.exe -
outlook_office_path 1 IoCs
Processes:
RQF.49254960 annex.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe -
outlook_win_path 1 IoCs
Processes:
RQF.49254960 annex.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.49254960 annex.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\RQF.49254960 annex.exe"C:\Users\Admin\AppData\Local\Temp\RQF.49254960 annex.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Users\Admin\AppData\Local\Temp\RQF.49254960 annex.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:812