Analysis
- max time kernel
126s - max time network
128s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
03/04/2024, 19:52
General
- Target e1915143fdf110d852c0009cb40531a12755c2518be8733a7563fcbe8069dd33.exe
- Size 439KB
- Sample240403-ylmxhsbd55
- SHA256 e1915143fdf110d852c0009cb40531a12755c2518be8733a7563fcbe8069dd33
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 23 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\e1915143fdf110d852c0009cb40531a12755c2518be8733a7563fcbe8069dd33.exe"C:\Users\Admin\AppData\Local\Temp\e1915143fdf110d852c0009cb40531a12755c2518be8733a7563fcbe8069dd33.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u1g8.0.exe"C:\Users\Admin\AppData\Local\Temp\u1g8.0.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\AKKFHDAKEC.exe"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\AKKFHDAKEC.exe"C:\Users\Admin\AppData\Local\Temp\AKKFHDAKEC.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\AKKFHDAKEC.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 4448 -s 24963⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u1g8.1.exe"C:\Users\Admin\AppData\Local\Temp\u1g8.1.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 1880 -s 16242⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1880 -ip 18801⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4448 -ip 44481⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
AKKFHDAKEC.exe
u1g8.0.exe
u1g8.1.exe
memory/1880-31-0x0000000000400000-0x000000000088C000-memory.dmp
memory/1880-1-0x0000000000C00000-0x0000000000D00000-memory.dmp
memory/1880-3-0x0000000000400000-0x000000000088C000-memory.dmp
memory/1880-2-0x00000000026E0000-0x000000000274C000-memory.dmp
memory/4032-140-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4032-26-0x00000000029B0000-0x00000000029B1000-memory.dmp
memory/4032-103-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4088-154-0x000002E05D5B0000-0x000002E05D62A000-memory.dmp
memory/4088-164-0x000002E044A00000-0x000002E044A10000-memory.dmp
memory/4088-197-0x000002E044A00000-0x000002E044A10000-memory.dmp
memory/4088-195-0x000002E044A00000-0x000002E044A10000-memory.dmp
memory/4088-141-0x00007FF923120000-0x00007FF923BE2000-memory.dmp
memory/4088-142-0x000002E03F170000-0x000002E042A68000-memory.dmp
memory/4088-196-0x000002E044A00000-0x000002E044A10000-memory.dmp
memory/4088-194-0x000002E044A00000-0x000002E044A10000-memory.dmp
memory/4088-145-0x000002E044A00000-0x000002E044A10000-memory.dmp
memory/4088-146-0x000002E05D350000-0x000002E05D460000-memory.dmp
memory/4088-148-0x000002E044830000-0x000002E04483C000-memory.dmp
memory/4088-147-0x000002E044810000-0x000002E044820000-memory.dmp
memory/4088-149-0x000002E044820000-0x000002E044834000-memory.dmp
memory/4088-150-0x000002E044890000-0x000002E0448B4000-memory.dmp
memory/4088-152-0x000002E044A40000-0x000002E044A6A000-memory.dmp
memory/4088-153-0x000002E05D290000-0x000002E05D342000-memory.dmp
memory/4088-151-0x000002E0448C0000-0x000002E0448CA000-memory.dmp
memory/4088-193-0x000002E044A00000-0x000002E044A10000-memory.dmp
memory/4088-155-0x000002E05D630000-0x000002E05D692000-memory.dmp
memory/4088-156-0x000002E05D710000-0x000002E05D786000-memory.dmp
memory/4088-157-0x000002E044A10000-0x000002E044A1A000-memory.dmp
memory/4088-161-0x000002E05D790000-0x000002E05DA90000-memory.dmp
memory/4088-163-0x000002E044A00000-0x000002E044A10000-memory.dmp
memory/4088-192-0x00007FF923120000-0x00007FF923BE2000-memory.dmp
memory/4088-166-0x000002E044A00000-0x000002E044A10000-memory.dmp
memory/4088-165-0x000002E05D700000-0x000002E05D708000-memory.dmp
memory/4088-167-0x000002E061AB0000-0x000002E061AE8000-memory.dmp
memory/4088-168-0x000002E061A80000-0x000002E061A8E000-memory.dmp
memory/4088-169-0x000002E062400000-0x000002E06240A000-memory.dmp
memory/4088-170-0x000002E062180000-0x000002E0621A2000-memory.dmp
memory/4088-171-0x000002E062940000-0x000002E062E68000-memory.dmp
memory/4088-174-0x000002E0621F0000-0x000002E062240000-memory.dmp
memory/4088-175-0x000002E0621A0000-0x000002E0621AC000-memory.dmp
memory/4088-176-0x000002E062240000-0x000002E062262000-memory.dmp
memory/4088-177-0x000002E062270000-0x000002E06228E000-memory.dmp
memory/4448-13-0x0000000000A80000-0x0000000000B80000-memory.dmp
memory/4448-187-0x0000000000400000-0x0000000000869000-memory.dmp
memory/4448-102-0x0000000000400000-0x0000000000869000-memory.dmp
memory/4448-14-0x00000000009B0000-0x00000000009D7000-memory.dmp
memory/4448-144-0x0000000000A80000-0x0000000000B80000-memory.dmp
memory/4448-143-0x0000000000400000-0x0000000000869000-memory.dmp
memory/4448-15-0x0000000000400000-0x0000000000869000-memory.dmp
memory/4448-36-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/5020-185-0x00000000005D0000-0x00000000005F0000-memory.dmp
memory/5020-186-0x0000000072080000-0x0000000072831000-memory.dmp
memory/5020-188-0x0000000004FF0000-0x0000000005000000-memory.dmp
memory/5020-191-0x0000000072080000-0x0000000072831000-memory.dmp