Analysis
- max time kernel
144s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
03/04/2024, 09:23
General
- Target a76697e5599c23079907376be04301b89d58cb460c905d1eab9e3a61367dfce1.exe
- Size 428KB
- Sample240403-lcq7csca39
- SHA256 a76697e5599c23079907376be04301b89d58cb460c905d1eab9e3a61367dfce1
Malware Config
Extracted
-
stealc
-
http://185.172.128.209
-
url_path
/3cd2b41cbde8fc9c.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
- Executes dropped EXE 3 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.
- Runs ping.exe 1 TTPs 1 IoCs
- 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 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a76697e5599c23079907376be04301b89d58cb460c905d1eab9e3a61367dfce1.exe"C:\Users\Admin\AppData\Local\Temp\a76697e5599c23079907376be04301b89d58cb460c905d1eab9e3a61367dfce1.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\uw.0.exe"C:\Users\Admin\AppData\Local\Temp\uw.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CBFBGCGIJK.exe"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\CBFBGCGIJK.exe"C:\Users\Admin\AppData\Local\Temp\CBFBGCGIJK.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\CBFBGCGIJK.exe5⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 24163⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\uw.1.exe"C:\Users\Admin\AppData\Local\Temp\uw.1.exe"2⤵
- 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 32 -s 8962⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 32 -ip 321⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3428 -ip 34281⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
CBFBGCGIJK.exe
ioloDMLog.txt
uw.0.exe
uw.1.exe
memory/32-1-0x0000000000AC0000-0x0000000000BC0000-memory.dmp
memory/32-2-0x00000000026E0000-0x000000000274C000-memory.dmp
memory/32-16-0x0000000000400000-0x0000000000889000-memory.dmp
memory/32-3-0x0000000000400000-0x0000000000889000-memory.dmp
memory/32-76-0x0000000000AC0000-0x0000000000BC0000-memory.dmp
memory/32-96-0x00000000026E0000-0x000000000274C000-memory.dmp
memory/32-92-0x0000000000400000-0x0000000000889000-memory.dmp
memory/3428-77-0x0000000000400000-0x0000000000866000-memory.dmp
memory/3428-158-0x0000000000400000-0x0000000000866000-memory.dmp
memory/3428-13-0x0000000000BE0000-0x0000000000CE0000-memory.dmp
memory/3428-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3428-15-0x0000000000400000-0x0000000000866000-memory.dmp
memory/3428-140-0x0000000000400000-0x0000000000866000-memory.dmp
memory/3428-163-0x0000000000400000-0x0000000000866000-memory.dmp
memory/3428-14-0x0000000002580000-0x00000000025A7000-memory.dmp
memory/3428-157-0x0000000000BE0000-0x0000000000CE0000-memory.dmp
memory/4456-78-0x00000000029B0000-0x00000000029B1000-memory.dmp
memory/4456-161-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4456-141-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4456-170-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4508-159-0x00000000006E0000-0x0000000000700000-memory.dmp
memory/4508-160-0x0000000071AC0000-0x0000000072271000-memory.dmp
memory/4508-162-0x0000000005360000-0x0000000005370000-memory.dmp
memory/4508-169-0x0000000071AC0000-0x0000000072271000-memory.dmp
memory/4812-172-0x0000026F21510000-0x0000026F24E08000-memory.dmp
memory/4812-192-0x0000026F44500000-0x0000026F44508000-memory.dmp
memory/4812-173-0x0000026F26B70000-0x0000026F26B80000-memory.dmp
memory/4812-174-0x0000026F3F5C0000-0x0000026F3F6D0000-memory.dmp
memory/4812-175-0x0000026F3F4B0000-0x0000026F3F4C0000-memory.dmp
memory/4812-176-0x0000026F3F4D0000-0x0000026F3F4DC000-memory.dmp
memory/4812-177-0x0000026F3F4C0000-0x0000026F3F4D4000-memory.dmp
memory/4812-178-0x0000026F3F530000-0x0000026F3F554000-memory.dmp
memory/4812-179-0x0000026F3F560000-0x0000026F3F56A000-memory.dmp
memory/4812-180-0x0000026F3F820000-0x0000026F3F8D2000-memory.dmp
memory/4812-181-0x0000026F3F8D0000-0x0000026F3F8FA000-memory.dmp
memory/4812-182-0x0000026F3F900000-0x0000026F3F97A000-memory.dmp
memory/4812-183-0x0000026F3F980000-0x0000026F3F9E2000-memory.dmp
memory/4812-184-0x0000026F3FA60000-0x0000026F3FAD6000-memory.dmp
memory/4812-185-0x0000026F26B50000-0x0000026F26B5A000-memory.dmp
memory/4812-189-0x0000026F3FAE0000-0x0000026F3FDE0000-memory.dmp
memory/4812-191-0x0000026F26B70000-0x0000026F26B80000-memory.dmp
memory/4812-171-0x00007FF8392E0000-0x00007FF839DA2000-memory.dmp
memory/4812-193-0x0000026F26B70000-0x0000026F26B80000-memory.dmp
memory/4812-194-0x0000026F43E40000-0x0000026F43E78000-memory.dmp
memory/4812-195-0x0000026F43E10000-0x0000026F43E1E000-memory.dmp
memory/4812-196-0x0000026F447A0000-0x0000026F447AA000-memory.dmp
memory/4812-197-0x0000026F44520000-0x0000026F44542000-memory.dmp
memory/4812-198-0x0000026F44CE0000-0x0000026F45208000-memory.dmp
memory/4812-201-0x0000026F44590000-0x0000026F445E0000-memory.dmp
memory/4812-202-0x0000026F44540000-0x0000026F4454C000-memory.dmp
memory/4812-203-0x0000026F445E0000-0x0000026F44602000-memory.dmp
memory/4812-204-0x0000026F44610000-0x0000026F4462E000-memory.dmp
memory/4812-206-0x00007FF8392E0000-0x00007FF839DA2000-memory.dmp
memory/4812-207-0x0000026F26B70000-0x0000026F26B80000-memory.dmp
memory/4812-208-0x0000026F26B70000-0x0000026F26B80000-memory.dmp
memory/4812-209-0x0000026F26B70000-0x0000026F26B80000-memory.dmp
memory/4812-210-0x0000026F26B70000-0x0000026F26B80000-memory.dmp