Analysis
- max time kernel
143s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
14/08/2024, 13:13
General
- Target a1f60afcf5d8ef739f2d547be2c8ce526c2aaccfaf1983f2e6a955ec6379affd.exe
- Size 1.2MB
- Sample240814-qf72hatfme
- SHA256 a1f60afcf5d8ef739f2d547be2c8ce526c2aaccfaf1983f2e6a955ec6379affd
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Loads dropped DLL 1 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a1f60afcf5d8ef739f2d547be2c8ce526c2aaccfaf1983f2e6a955ec6379affd.exe"C:\Users\Admin\AppData\Local\Temp\a1f60afcf5d8ef739f2d547be2c8ce526c2aaccfaf1983f2e6a955ec6379affd.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\a1f60afcf5d8ef739f2d547be2c8ce526c2aaccfaf1983f2e6a955ec6379affd.exe"C:\Users\Admin\AppData\Local\Temp\a1f60afcf5d8ef739f2d547be2c8ce526c2aaccfaf1983f2e6a955ec6379affd.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/3688-162-0x000000007191E000-0x000000007191F000-memory.dmp
memory/3688-159-0x0000000000440000-0x0000000001694000-memory.dmp
memory/3688-181-0x00000000022D0000-0x00000000022DA000-memory.dmp
memory/3688-142-0x00000000016A0000-0x0000000002165000-memory.dmp
memory/3688-143-0x0000000077558000-0x0000000077559000-memory.dmp
memory/3688-144-0x0000000077575000-0x0000000077576000-memory.dmp
memory/3688-160-0x00000000774D1000-0x00000000775F1000-memory.dmp
memory/3688-163-0x0000000000440000-0x000000000048A000-memory.dmp
memory/3688-180-0x0000000002410000-0x00000000024A2000-memory.dmp
memory/3688-170-0x0000000035540000-0x0000000035590000-memory.dmp
memory/3688-173-0x000000007191E000-0x000000007191F000-memory.dmp
memory/3688-172-0x0000000035C30000-0x000000003615C000-memory.dmp
memory/3688-158-0x0000000000440000-0x0000000001694000-memory.dmp
memory/3688-164-0x0000000034EC0000-0x0000000035464000-memory.dmp
memory/3688-165-0x0000000035470000-0x000000003550C000-memory.dmp
memory/3688-166-0x00000000016A0000-0x0000000002165000-memory.dmp
memory/3688-168-0x00000000774D1000-0x00000000775F1000-memory.dmp
memory/3688-169-0x0000000035A10000-0x0000000035BD2000-memory.dmp
memory/5056-154-0x0000000004970000-0x0000000005435000-memory.dmp
memory/5056-161-0x0000000004970000-0x0000000005435000-memory.dmp
memory/5056-140-0x00000000774D1000-0x00000000775F1000-memory.dmp
memory/5056-139-0x0000000004970000-0x0000000005435000-memory.dmp
memory/5056-141-0x0000000010004000-0x0000000010005000-memory.dmp