Analysis
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max time kernel
124s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-09-2024 08:14
Static task
static1
Behavioral task
behavioral1
Sample
RQF.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
RQF.exe
Resource
win10v2004-20240802-en
General
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Target
RQF.exe
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Size
557KB
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MD5
45f23b46fdb2369386e67c7f44d08a0c
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SHA1
c3150b08e3694a5c63c78a43c3caed0b7e6483c4
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SHA256
bfa4e5031ae699c4d919e62752246cdf250c1022e571e2d3927eb65b4eb07d20
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SHA512
7d1cb376e28c887ea2f41c17ffce239757a97b937a6cecb7826c3c6f870f9c06034978f46874d5960db4c7b3095e976a4e3bdb7568dd31105cb06aaf65b0e2d1
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SSDEEP
12288:swLfkTboqRi6NVuk9/GCzs3CrZWSom+ZobYl2H:sw56NbOCzxwSoFZobx
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/2552-12-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2960 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation RQF.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.exe Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.exe Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.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.
flow ioc 24 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3076 set thread context of 2552 3076 RQF.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RQF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RQF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3076 RQF.exe 3076 RQF.exe 2552 RQF.exe 2960 powershell.exe 2960 powershell.exe 2552 RQF.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3076 RQF.exe Token: SeDebugPrivilege 2552 RQF.exe Token: SeDebugPrivilege 2960 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3076 wrote to memory of 2960 3076 RQF.exe 95 PID 3076 wrote to memory of 2960 3076 RQF.exe 95 PID 3076 wrote to memory of 2960 3076 RQF.exe 95 PID 3076 wrote to memory of 2552 3076 RQF.exe 97 PID 3076 wrote to memory of 2552 3076 RQF.exe 97 PID 3076 wrote to memory of 2552 3076 RQF.exe 97 PID 3076 wrote to memory of 2552 3076 RQF.exe 97 PID 3076 wrote to memory of 2552 3076 RQF.exe 97 PID 3076 wrote to memory of 2552 3076 RQF.exe 97 PID 3076 wrote to memory of 2552 3076 RQF.exe 97 PID 3076 wrote to memory of 2552 3076 RQF.exe 97 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RQF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RQF.exe"C:\Users\Admin\AppData\Local\Temp\RQF.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RQF.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2960
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C:\Users\Admin\AppData\Local\Temp\RQF.exe"C:\Users\Admin\AppData\Local\Temp\RQF.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2552
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82