Analysis
- max time kernel
136s - max time network
140s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
10/05/2024, 23:20
General
- Target 6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe
- Size 388KB
- Sample240510-3brvyaad34
- SHA256 6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2
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 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 21 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\6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe"C:\Users\Admin\AppData\Local\Temp\6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\usk.0.exe"C:\Users\Admin\AppData\Local\Temp\usk.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 4056 -s 20603⤵
- Program crash
-
-
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C:\Users\Admin\AppData\Local\Temp\usk.1.exe"C:\Users\Admin\AppData\Local\Temp\usk.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
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 11562⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4056 -ip 40561⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1028 -ip 10281⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
usk.0.exe
usk.1.exe
memory/1028-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1028-107-0x0000000000400000-0x000000000259D000-memory.dmp
memory/1028-52-0x0000000000400000-0x000000000259D000-memory.dmp
memory/1028-1-0x0000000002900000-0x0000000002A00000-memory.dmp
memory/1028-2-0x00000000042E0000-0x000000000434C000-memory.dmp
memory/1028-108-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2572-140-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2572-128-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4056-13-0x0000000000400000-0x0000000002579000-memory.dmp
memory/4056-91-0x0000000000400000-0x0000000002579000-memory.dmp
memory/4056-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4056-15-0x0000000000400000-0x0000000002579000-memory.dmp
memory/4056-14-0x0000000000400000-0x0000000002579000-memory.dmp
memory/4388-144-0x0000024C1F2A0000-0x0000024C1F2AC000-memory.dmp
memory/4388-152-0x0000024C1F370000-0x0000024C1F37A000-memory.dmp
memory/4388-141-0x0000024C013C0000-0x0000024C04BF4000-memory.dmp
memory/4388-143-0x0000024C1F280000-0x0000024C1F290000-memory.dmp
memory/4388-146-0x0000024C1F300000-0x0000024C1F324000-memory.dmp
memory/4388-145-0x0000024C1F290000-0x0000024C1F2A4000-memory.dmp
memory/4388-150-0x0000024C1F790000-0x0000024C1F7E0000-memory.dmp
memory/4388-151-0x0000024C1F400000-0x0000024C1F422000-memory.dmp
memory/4388-149-0x0000024C1F6E0000-0x0000024C1F792000-memory.dmp
memory/4388-148-0x0000024C1F3A0000-0x0000024C1F3CA000-memory.dmp
memory/4388-147-0x0000024C1F330000-0x0000024C1F33A000-memory.dmp
memory/4388-142-0x0000024C1F480000-0x0000024C1F58A000-memory.dmp
memory/4388-156-0x0000024C1F7E0000-0x0000024C1FAE0000-memory.dmp
memory/4388-158-0x0000024C234A0000-0x0000024C234A8000-memory.dmp
memory/4388-161-0x0000024C23B90000-0x0000024C23B98000-memory.dmp
memory/4388-160-0x0000024C23B70000-0x0000024C23B7E000-memory.dmp
memory/4388-164-0x0000024C24540000-0x0000024C24562000-memory.dmp
memory/4388-163-0x0000024C244E0000-0x0000024C24542000-memory.dmp
memory/4388-165-0x0000024C24A90000-0x0000024C24FB8000-memory.dmp
memory/4388-162-0x0000024C23C00000-0x0000024C23C0A000-memory.dmp
memory/4388-159-0x0000024C23BA0000-0x0000024C23BD8000-memory.dmp
memory/4388-168-0x0000024C24250000-0x0000024C2425C000-memory.dmp
memory/4388-169-0x0000024C24630000-0x0000024C246A6000-memory.dmp
memory/4388-170-0x0000024C24590000-0x0000024C245AE000-memory.dmp