Analysis
- max time kernel
127s - max time network
129s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
03/04/2024, 09:21
General
- Target 3e393e0be135de3f8facd557826c8ab902d7c6dcc9523af92f2cce3a8ccdb5e8.exe
- Size 428KB
- Sample240403-lbmsjsbd7z
- SHA256 3e393e0be135de3f8facd557826c8ab902d7c6dcc9523af92f2cce3a8ccdb5e8
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\3e393e0be135de3f8facd557826c8ab902d7c6dcc9523af92f2cce3a8ccdb5e8.exe"C:\Users\Admin\AppData\Local\Temp\3e393e0be135de3f8facd557826c8ab902d7c6dcc9523af92f2cce3a8ccdb5e8.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u1k4.0.exe"C:\Users\Admin\AppData\Local\Temp\u1k4.0.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\EHDAAECAEB.exe"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\EHDAAECAEB.exe"C:\Users\Admin\AppData\Local\Temp\EHDAAECAEB.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\EHDAAECAEB.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 3656 -s 21163⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u1k4.1.exe"C:\Users\Admin\AppData\Local\Temp\u1k4.1.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 2020 -s 14122⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2020 -ip 20201⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3656 -ip 36561⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
EHDAAECAEB.exe
u1k4.0.exe
u1k4.1.exe
memory/2020-71-0x00000000026E0000-0x000000000274C000-memory.dmp
memory/2020-2-0x00000000026E0000-0x000000000274C000-memory.dmp
memory/2020-3-0x0000000000400000-0x0000000000889000-memory.dmp
memory/2020-1-0x0000000000A70000-0x0000000000B70000-memory.dmp
memory/2020-70-0x0000000000400000-0x0000000000889000-memory.dmp
memory/2972-157-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2972-59-0x00000000029B0000-0x00000000029B1000-memory.dmp
memory/2972-158-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3196-164-0x0000023EB9EB0000-0x0000023EB9EBC000-memory.dmp
memory/3196-171-0x0000023EBA330000-0x0000023EBA392000-memory.dmp
memory/3196-199-0x0000023EA16B0000-0x0000023EA16C0000-memory.dmp
memory/3196-198-0x0000023EA16B0000-0x0000023EA16C0000-memory.dmp
memory/3196-197-0x0000023EA16B0000-0x0000023EA16C0000-memory.dmp
memory/3196-196-0x0000023EA16B0000-0x0000023EA16C0000-memory.dmp
memory/3196-195-0x00007FFFABB00000-0x00007FFFAC5C2000-memory.dmp
memory/3196-193-0x0000023EBF250000-0x0000023EBF26E000-memory.dmp
memory/3196-192-0x0000023EBF220000-0x0000023EBF242000-memory.dmp
memory/3196-159-0x00007FFFABB00000-0x00007FFFAC5C2000-memory.dmp
memory/3196-160-0x0000023E9BEC0000-0x0000023E9F7B8000-memory.dmp
memory/3196-161-0x0000023EA16B0000-0x0000023EA16C0000-memory.dmp
memory/3196-162-0x0000023EB9F40000-0x0000023EBA050000-memory.dmp
memory/3196-163-0x0000023EA1730000-0x0000023EA1740000-memory.dmp
memory/3196-191-0x0000023EBEF00000-0x0000023EBEF0C000-memory.dmp
memory/3196-165-0x0000023EB9EA0000-0x0000023EB9EB4000-memory.dmp
memory/3196-166-0x0000023EB9F10000-0x0000023EB9F34000-memory.dmp
memory/3196-167-0x0000023EBA1B0000-0x0000023EBA1BA000-memory.dmp
memory/3196-168-0x0000023EBA1D0000-0x0000023EBA1FA000-memory.dmp
memory/3196-169-0x0000023EBA200000-0x0000023EBA2B2000-memory.dmp
memory/3196-170-0x0000023EBA2B0000-0x0000023EBA32A000-memory.dmp
memory/3196-190-0x0000023EBEF50000-0x0000023EBEFA0000-memory.dmp
memory/3196-172-0x0000023EBA410000-0x0000023EBA486000-memory.dmp
memory/3196-173-0x0000023EB9E80000-0x0000023EB9E8A000-memory.dmp
memory/3196-177-0x0000023EBA490000-0x0000023EBA790000-memory.dmp
memory/3196-179-0x0000023EA16B0000-0x0000023EA16C0000-memory.dmp
memory/3196-180-0x0000023EBE100000-0x0000023EBE108000-memory.dmp
memory/3196-181-0x0000023EA16B0000-0x0000023EA16C0000-memory.dmp
memory/3196-182-0x0000023EA16B0000-0x0000023EA16C0000-memory.dmp
memory/3196-183-0x0000023EBE810000-0x0000023EBE848000-memory.dmp
memory/3196-184-0x0000023EBE7D0000-0x0000023EBE7DE000-memory.dmp
memory/3196-185-0x0000023EBE880000-0x0000023EBE88A000-memory.dmp
memory/3196-186-0x0000023EBEEE0000-0x0000023EBEF02000-memory.dmp
memory/3196-187-0x0000023EBF440000-0x0000023EBF968000-memory.dmp
memory/3568-145-0x0000000071E20000-0x00000000725D1000-memory.dmp
memory/3568-142-0x0000000004FB0000-0x0000000004FC0000-memory.dmp
memory/3568-141-0x0000000071E20000-0x00000000725D1000-memory.dmp
memory/3568-138-0x00000000005F0000-0x0000000000610000-memory.dmp
memory/3656-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3656-13-0x0000000000A90000-0x0000000000B90000-memory.dmp
memory/3656-14-0x0000000002570000-0x0000000002597000-memory.dmp
memory/3656-15-0x0000000000400000-0x0000000000866000-memory.dmp
memory/3656-140-0x0000000000400000-0x0000000000866000-memory.dmp