Analysis
- max time kernel
148s - max time network
161s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
04/04/2024, 10:01
General
- Target c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe
- Size 359KB
- Sample240404-l2k2msca31
- SHA256 c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463
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\c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe"C:\Users\Admin\AppData\Local\Temp\c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u198.0.exe"C:\Users\Admin\AppData\Local\Temp\u198.0.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\GHDAKKJJJK.exe"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\GHDAKKJJJK.exe"C:\Users\Admin\AppData\Local\Temp\GHDAKKJJJK.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\GHDAKKJJJK.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 1072 -s 24243⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u198.1.exe"C:\Users\Admin\AppData\Local\Temp\u198.1.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 1628 -s 11722⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1628 -ip 16281⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1072 -ip 10721⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
GHDAKKJJJK.exe
ioloDMLog.txt
ioloDMLog.txt
u198.0.exe
u198.1.exe
memory/1072-89-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/1072-109-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/1072-22-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/1072-20-0x0000000002E30000-0x0000000002F30000-memory.dmp
memory/1072-185-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/1072-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1072-157-0x0000000002E30000-0x0000000002F30000-memory.dmp
memory/1072-162-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/1072-21-0x0000000002DD0000-0x0000000002DF7000-memory.dmp
memory/1072-160-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/1628-11-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/1628-7-0x00000000049E0000-0x0000000004A4C000-memory.dmp
memory/1628-5-0x0000000002C40000-0x0000000002D40000-memory.dmp
memory/1628-4-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/1628-2-0x00000000049E0000-0x0000000004A4C000-memory.dmp
memory/1628-68-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/1628-1-0x0000000002C40000-0x0000000002D40000-memory.dmp
memory/1628-3-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/4048-108-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4048-145-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4048-144-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4048-34-0x00000000028A0000-0x00000000028A1000-memory.dmp
memory/4208-159-0x000002EB1A110000-0x000002EB1A120000-memory.dmp
memory/4208-146-0x00007FFEDA540000-0x00007FFEDB002000-memory.dmp
memory/4208-163-0x000002EB1A120000-0x000002EB1A134000-memory.dmp
memory/4208-158-0x000002EB1A430000-0x000002EB1A540000-memory.dmp
memory/4208-164-0x000002EB1A1A0000-0x000002EB1A1C4000-memory.dmp
memory/4208-168-0x000002EB1A1D0000-0x000002EB1A1DA000-memory.dmp
memory/4208-169-0x000002EB1A690000-0x000002EB1A742000-memory.dmp
memory/4208-173-0x000002EB1A740000-0x000002EB1A7BA000-memory.dmp
memory/4208-152-0x000002EB79900000-0x000002EB7D1F8000-memory.dmp
memory/4208-174-0x000002EB1A7C0000-0x000002EB1A822000-memory.dmp
memory/4208-171-0x000002EB1A300000-0x000002EB1A32A000-memory.dmp
memory/4208-176-0x000002EB7D650000-0x000002EB7D6C6000-memory.dmp
memory/4208-177-0x000002EB01910000-0x000002EB0191A000-memory.dmp
memory/4208-181-0x000002EB1A820000-0x000002EB1AB20000-memory.dmp
memory/4208-208-0x000002EB1A330000-0x000002EB1A340000-memory.dmp
memory/4208-207-0x000002EB1A330000-0x000002EB1A340000-memory.dmp
memory/4208-206-0x000002EB1A330000-0x000002EB1A340000-memory.dmp
memory/4208-161-0x000002EB1A130000-0x000002EB1A13C000-memory.dmp
memory/4208-188-0x000002EB1A330000-0x000002EB1A340000-memory.dmp
memory/4208-192-0x000002EB7D610000-0x000002EB7D648000-memory.dmp
memory/4208-193-0x000002EB7D570000-0x000002EB7D57E000-memory.dmp
memory/4208-205-0x00007FFEDA540000-0x00007FFEDB002000-memory.dmp
memory/4208-195-0x000002EB1EC20000-0x000002EB1EC2A000-memory.dmp
memory/4208-190-0x000002EB1A330000-0x000002EB1A340000-memory.dmp
memory/4208-189-0x000002EB7D560000-0x000002EB7D568000-memory.dmp
memory/4208-196-0x000002EB1AC20000-0x000002EB1AC42000-memory.dmp
memory/4208-197-0x000002EB1F7F0000-0x000002EB1FD18000-memory.dmp
memory/4208-200-0x000002EB7D730000-0x000002EB7D780000-memory.dmp
memory/4208-201-0x000002EB1AC40000-0x000002EB1AC4C000-memory.dmp
memory/4208-202-0x000002EB7D6E0000-0x000002EB7D702000-memory.dmp
memory/4208-203-0x000002EB7D5F0000-0x000002EB7D60E000-memory.dmp
memory/4404-194-0x00000000721A0000-0x0000000072951000-memory.dmp
memory/4404-186-0x0000000004E50000-0x0000000004E60000-memory.dmp
memory/4404-183-0x0000000000370000-0x0000000000390000-memory.dmp
memory/4404-184-0x00000000721A0000-0x0000000072951000-memory.dmp