Analysis
- max time kernel
88s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
22/01/2024, 16:41
General
- Target DOC6010038709-PO.exe
- Size 401KB
- Sample240122-t6321sbba2
- SHA256 52dd1ddf925baa01a172d0e420ec8833a10726ee7a7dcfc2a55f1e04f47c6a63
Malware Config
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 8 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- 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
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DOC6010038709-PO.exe"C:\Users\Admin\AppData\Local\Temp\DOC6010038709-PO.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DOC6010038709-PO.exe"C:\Users\Admin\AppData\Local\Temp\DOC6010038709-PO.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "DOC6010038709-PO.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exeC:\Windows\system32\timeout.exe 34⤵
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mozglue.dll
msvcp140.dll
nss3.dll
vcruntime140.dll
System.dll
nsDialogs.dll
nsExec.dll
memory/2260-43-0x00000000773D1000-0x00000000774F1000-memory.dmp
memory/2260-42-0x0000000072DD0000-0x0000000074024000-memory.dmp
memory/2260-28-0x0000000077475000-0x0000000077476000-memory.dmp
memory/2260-38-0x0000000072DD0000-0x0000000074024000-memory.dmp
memory/2260-39-0x0000000000060000-0x0000000000087000-memory.dmp
memory/2260-40-0x0000000072DD0000-0x0000000074024000-memory.dmp
memory/2260-41-0x00000000004A0000-0x0000000002E60000-memory.dmp
memory/2260-27-0x0000000077458000-0x0000000077459000-memory.dmp
memory/2260-155-0x0000000072DD0000-0x0000000074024000-memory.dmp
memory/2260-44-0x0000000072DD0000-0x0000000074024000-memory.dmp
memory/2260-25-0x00000000004A0000-0x0000000002E60000-memory.dmp
memory/2260-104-0x0000000072DD0000-0x0000000074024000-memory.dmp
memory/3988-23-0x00000000773D1000-0x00000000774F1000-memory.dmp
memory/3988-22-0x0000000005230000-0x0000000007BF0000-memory.dmp
memory/3988-24-0x0000000010000000-0x0000000010006000-memory.dmp
memory/3988-26-0x0000000005230000-0x0000000007BF0000-memory.dmp