Analysis
- max time kernel
148s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
03/05/2024, 23:50
General
- Target 6084425606d7ffbd5bf94d45186d2a3a6c2e9d8257a8f5bf23608214699f5558.exe
- Size 454KB
- Sample240503-3vq3rabf67
- SHA256 6084425606d7ffbd5bf94d45186d2a3a6c2e9d8257a8f5bf23608214699f5558
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
- Detect ZGRat V1 3 IoCs
- SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
- SectopRAT payload 1 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 5 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.
- Suspicious use of SetThreadContext 2 IoCs
- 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 27 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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\6084425606d7ffbd5bf94d45186d2a3a6c2e9d8257a8f5bf23608214699f5558.exe"C:\Users\Admin\AppData\Local\Temp\6084425606d7ffbd5bf94d45186d2a3a6c2e9d8257a8f5bf23608214699f5558.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u3jo.0.exe"C:\Users\Admin\AppData\Local\Temp\u3jo.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 2520 -s 24243⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u3jo.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3jo.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious use of AdjustPrivilegeToken
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\u3jo.3.exe"C:\Users\Admin\AppData\Local\Temp\u3jo.3.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 4596 -s 10002⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4596 -ip 45961⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2520 -ip 25201⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
99cbaad0
tmpC814.tmp
tmpC836.tmp
u3jo.0.exe
u3jo.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u3jo.3.exe
memory/1932-305-0x00000000051A0000-0x00000000051F0000-memory.dmp
memory/1932-297-0x0000000070D30000-0x0000000072047000-memory.dmp
memory/1932-304-0x0000000005120000-0x0000000005196000-memory.dmp
memory/1932-303-0x0000000005410000-0x00000000055D2000-memory.dmp
memory/1932-306-0x00000000050A0000-0x00000000050AA000-memory.dmp
memory/1932-307-0x0000000006270000-0x000000000679C000-memory.dmp
memory/1932-302-0x0000000005650000-0x0000000005BF6000-memory.dmp
memory/1932-308-0x0000000005DA0000-0x0000000005DBE000-memory.dmp
memory/1932-309-0x0000000005E70000-0x0000000005ED6000-memory.dmp
memory/1932-301-0x0000000005000000-0x0000000005092000-memory.dmp
memory/1932-300-0x0000000000900000-0x00000000009C6000-memory.dmp
memory/2060-291-0x0000020BB6220000-0x0000020BB622C000-memory.dmp
memory/2060-286-0x0000020BB6200000-0x0000020BB6222000-memory.dmp
memory/2060-264-0x0000020B931D0000-0x0000020B96AC8000-memory.dmp
memory/2060-265-0x0000020BB1240000-0x0000020BB1350000-memory.dmp
memory/2060-268-0x0000020B96FB0000-0x0000020B96FC4000-memory.dmp
memory/2060-267-0x0000020B96FC0000-0x0000020B96FCC000-memory.dmp
memory/2060-266-0x0000020B96FA0000-0x0000020B96FB0000-memory.dmp
memory/2060-269-0x0000020BB1350000-0x0000020BB1374000-memory.dmp
memory/2060-270-0x0000020BB1370000-0x0000020BB137A000-memory.dmp
memory/2060-271-0x0000020BB1390000-0x0000020BB13BA000-memory.dmp
memory/2060-272-0x0000020BB1570000-0x0000020BB1622000-memory.dmp
memory/2060-273-0x0000020BB1620000-0x0000020BB169A000-memory.dmp
memory/2060-274-0x0000020BB16A0000-0x0000020BB1702000-memory.dmp
memory/2060-275-0x0000020BB1780000-0x0000020BB17F6000-memory.dmp
memory/2060-276-0x0000020B96F40000-0x0000020B96F4A000-memory.dmp
memory/2060-280-0x0000020BB1800000-0x0000020BB1B00000-memory.dmp
memory/2060-282-0x0000020BB1770000-0x0000020BB1778000-memory.dmp
memory/2060-283-0x0000020BB5B20000-0x0000020BB5B58000-memory.dmp
memory/2060-284-0x0000020BB5AF0000-0x0000020BB5AFE000-memory.dmp
memory/2060-293-0x0000020BB6570000-0x0000020BB658E000-memory.dmp
memory/2060-285-0x0000020BB5BA0000-0x0000020BB5BAA000-memory.dmp
memory/2060-287-0x0000020BB6760000-0x0000020BB6C88000-memory.dmp
memory/2060-292-0x0000020BB6540000-0x0000020BB6562000-memory.dmp
memory/2060-290-0x0000020BB6270000-0x0000020BB62C0000-memory.dmp
memory/2520-247-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/2520-16-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/2520-17-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/2520-44-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2660-249-0x00007FF848BE0000-0x00007FF848DE9000-memory.dmp
memory/2660-295-0x0000000072230000-0x00000000723AD000-memory.dmp
memory/3248-212-0x0000000072230000-0x00000000723AD000-memory.dmp
memory/3248-160-0x00007FF848BE0000-0x00007FF848DE9000-memory.dmp
memory/3248-156-0x0000000072230000-0x00000000723AD000-memory.dmp
memory/4596-1-0x0000000001BC0000-0x0000000001CC0000-memory.dmp
memory/4596-183-0x0000000000400000-0x0000000001A3C000-memory.dmp
memory/4596-184-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4596-2-0x0000000003630000-0x000000000369D000-memory.dmp
memory/4596-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4632-262-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4632-263-0x0000000000400000-0x00000000008AD000-memory.dmp