Analysis
- max time kernel
213s - max time network
219s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
- submitted
09/05/2024, 23:23
General
- Target b21236873589e7a87443638329edc4d16f6f56a48ddebbba3d5ccd0e9401ecbd.exe
- Size 365KB
- Sample240509-3dendsgc23
- SHA256 b21236873589e7a87443638329edc4d16f6f56a48ddebbba3d5ccd0e9401ecbd
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 11 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).
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b21236873589e7a87443638329edc4d16f6f56a48ddebbba3d5ccd0e9401ecbd.exe"C:\Users\Admin\AppData\Local\Temp\b21236873589e7a87443638329edc4d16f6f56a48ddebbba3d5ccd0e9401ecbd.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u1jg.0.exe"C:\Users\Admin\AppData\Local\Temp\u1jg.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\u1jg.1.exe"C:\Users\Admin\AppData\Local\Temp\u1jg.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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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
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
9fdd63048dc24a7a95ec23a4f4a54e18.tmp
ioloDMLog.txt
ioloDMLog.txt
u1jg.1.exe
mozglue.dll
nss3.dll
u1jg.0.exe
memory/1752-157-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/1752-23-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1752-112-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/1752-155-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/1996-51-0x0000000000400000-0x0000000001A25000-memory.dmp
memory/1996-61-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1996-60-0x0000000001B10000-0x0000000001C10000-memory.dmp
memory/1996-2-0x0000000000320000-0x000000000038C000-memory.dmp
memory/1996-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1996-1-0x0000000001B10000-0x0000000001C10000-memory.dmp
memory/2512-113-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2512-128-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2780-131-0x0000000005660000-0x0000000005670000-memory.dmp
memory/2780-133-0x0000000005670000-0x0000000005684000-memory.dmp
memory/2780-134-0x000000001E410000-0x000000001E434000-memory.dmp
memory/2780-136-0x000000001EB10000-0x000000001EB1A000-memory.dmp
memory/2780-137-0x000000001EB30000-0x000000001EB5A000-memory.dmp
memory/2780-138-0x000000001F3B0000-0x000000001F462000-memory.dmp
memory/2780-139-0x0000000003D30000-0x0000000003D3A000-memory.dmp
memory/2780-143-0x000000001FB70000-0x000000001FE70000-memory.dmp
memory/2780-145-0x0000000003D50000-0x0000000003D5A000-memory.dmp
memory/2780-146-0x000000001E220000-0x000000001E22A000-memory.dmp
memory/2780-147-0x000000001E380000-0x000000001E3E2000-memory.dmp
memory/2780-148-0x000000001E230000-0x000000001E252000-memory.dmp
memory/2780-151-0x000000001E250000-0x000000001E25C000-memory.dmp
memory/2780-132-0x0000000005810000-0x000000000581C000-memory.dmp
memory/2780-130-0x000000001EBB0000-0x000000001ECBA000-memory.dmp
memory/2780-158-0x0000000003D50000-0x0000000003D5A000-memory.dmp
memory/2780-129-0x0000000000150000-0x0000000003984000-memory.dmp