Analysis
- max time kernel
132s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
11/05/2024, 00:23
General
- Target 85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7.exe
- Size 387KB
- Sample240511-aphj7sdb49
- SHA256 85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
- Detect ZGRat V1 3 IoCs
- Stealc
Stealc is an infostealer written in C++.
- ZGRat
ZGRat is remote access trojan written in C#.
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 25 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7.exe"C:\Users\Admin\AppData\Local\Temp\85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\uu0.0.exe"C:\Users\Admin\AppData\Local\Temp\uu0.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 20283⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\uu0.1.exe"C:\Users\Admin\AppData\Local\Temp\uu0.1.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe"C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 9682⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1080 -ip 10801⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2180 -ip 21801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
uu0.0.exe
uu0.1.exe
memory/1080-31-0x00000000041C0000-0x000000000422C000-memory.dmp
memory/1080-27-0x0000000000400000-0x000000000259D000-memory.dmp
memory/1080-32-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1080-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1080-2-0x00000000041C0000-0x000000000422C000-memory.dmp
memory/1080-1-0x0000000002650000-0x0000000002750000-memory.dmp
memory/2180-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2180-142-0x0000000000400000-0x0000000002579000-memory.dmp
memory/2180-136-0x0000000000400000-0x0000000002579000-memory.dmp
memory/4504-137-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4504-141-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4520-145-0x000001EDC6CE0000-0x000001EDC6CF0000-memory.dmp
memory/4520-154-0x000001EDDF550000-0x000001EDDF55A000-memory.dmp
memory/4520-146-0x000001EDC6D00000-0x000001EDC6D0C000-memory.dmp
memory/4520-143-0x000001EDC1720000-0x000001EDC4F54000-memory.dmp
memory/4520-147-0x000001EDC6CF0000-0x000001EDC6D04000-memory.dmp
memory/4520-148-0x000001EDDF520000-0x000001EDDF544000-memory.dmp
memory/4520-149-0x000001EDDF540000-0x000001EDDF54A000-memory.dmp
memory/4520-150-0x000001EDE0D90000-0x000001EDE0DBA000-memory.dmp
memory/4520-151-0x000001EDE0DC0000-0x000001EDE0E72000-memory.dmp
memory/4520-152-0x000001EDE1270000-0x000001EDE12C0000-memory.dmp
memory/4520-153-0x000001EDE0FB0000-0x000001EDE0FD2000-memory.dmp
memory/4520-144-0x000001EDE1020000-0x000001EDE112A000-memory.dmp
memory/4520-158-0x000001EDE12C0000-0x000001EDE15C0000-memory.dmp
memory/4520-160-0x000001EDE4F50000-0x000001EDE4F58000-memory.dmp
memory/4520-161-0x000001EDE5650000-0x000001EDE5688000-memory.dmp
memory/4520-162-0x000001EDE5620000-0x000001EDE562E000-memory.dmp
memory/4520-163-0x000001EDE5640000-0x000001EDE5648000-memory.dmp
memory/4520-164-0x000001EDE64E0000-0x000001EDE64EA000-memory.dmp
memory/4520-165-0x000001EDE6790000-0x000001EDE67F2000-memory.dmp
memory/4520-166-0x000001EDE67F0000-0x000001EDE6812000-memory.dmp
memory/4520-167-0x000001EDE6D40000-0x000001EDE7268000-memory.dmp
memory/4520-170-0x000001EDE6500000-0x000001EDE650C000-memory.dmp
memory/4520-171-0x000001EDE68E0000-0x000001EDE6956000-memory.dmp
memory/4520-172-0x000001EDE6840000-0x000001EDE685E000-memory.dmp