Analysis
- max time kernel
128s - max time network
129s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
06/05/2024, 12:18
General
- Target 2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe
- Size 416KB
- Sample240506-pgm72sbd6t
- SHA256 2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36
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
- 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 1 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 23 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\2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe"C:\Users\Admin\AppData\Local\Temp\2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2lw.0.exe"C:\Users\Admin\AppData\Local\Temp\u2lw.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 1932 -s 24483⤵
- Program crash
-
-
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C:\Users\Admin\AppData\Local\Temp\u2lw.1.exe"C:\Users\Admin\AppData\Local\Temp\u2lw.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 -pss -s 424 -p 1932 -ip 19321⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u2lw.0.exe
u2lw.1.exe
memory/1932-13-0x0000000000400000-0x0000000001A0F000-memory.dmp
memory/1932-15-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1932-14-0x0000000000400000-0x0000000001A0F000-memory.dmp
memory/1932-124-0x0000000000400000-0x0000000001A0F000-memory.dmp
memory/3380-59-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3380-58-0x0000000000400000-0x0000000001A32000-memory.dmp
memory/3380-1-0x0000000001CB0000-0x0000000001DB0000-memory.dmp
memory/3380-2-0x0000000003750000-0x00000000037BC000-memory.dmp
memory/3380-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3428-126-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3428-138-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4468-143-0x000001A701D00000-0x000001A701D14000-memory.dmp
memory/4468-148-0x000001A71AAF0000-0x000001A71AB6A000-memory.dmp
memory/4468-141-0x000001A701CF0000-0x000001A701D00000-memory.dmp
memory/4468-139-0x000001A77DF80000-0x000001A781878000-memory.dmp
memory/4468-144-0x000001A71A670000-0x000001A71A694000-memory.dmp
memory/4468-142-0x000001A701D10000-0x000001A701D1C000-memory.dmp
memory/4468-145-0x000001A71A690000-0x000001A71A69A000-memory.dmp
memory/4468-146-0x000001A71AA10000-0x000001A71AA3A000-memory.dmp
memory/4468-147-0x000001A71AA40000-0x000001A71AAF2000-memory.dmp
memory/4468-150-0x000001A781900000-0x000001A781976000-memory.dmp
memory/4468-149-0x000001A71AB70000-0x000001A71ABD2000-memory.dmp
memory/4468-140-0x000001A71A7B0000-0x000001A71A8C0000-memory.dmp
memory/4468-151-0x000001A701C80000-0x000001A701C8A000-memory.dmp
memory/4468-155-0x000001A71ABD0000-0x000001A71AED0000-memory.dmp
memory/4468-157-0x000001A781890000-0x000001A781898000-memory.dmp
memory/4468-158-0x000001A781980000-0x000001A7819B8000-memory.dmp
memory/4468-159-0x000001A7818A0000-0x000001A7818AE000-memory.dmp
memory/4468-161-0x000001A71F010000-0x000001A71F032000-memory.dmp
memory/4468-160-0x000001A71EFD0000-0x000001A71EFDA000-memory.dmp
memory/4468-162-0x000001A71FBB0000-0x000001A7200D8000-memory.dmp
memory/4468-165-0x000001A7819C0000-0x000001A781A10000-memory.dmp
memory/4468-166-0x000001A71EFE0000-0x000001A71EFEC000-memory.dmp
memory/4468-167-0x000001A781A10000-0x000001A781A32000-memory.dmp
memory/4468-168-0x000001A7818D0000-0x000001A7818EE000-memory.dmp