Analysis
- max time kernel
147s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
29/04/2024, 13:23
General
- Target 729a25fd44404f57246778a7b9cdbf469810a1bac9f18ee4d24e1c26935fff3c.exe
- Size 348KB
- Sample240429-qm315abe73
- SHA256 729a25fd44404f57246778a7b9cdbf469810a1bac9f18ee4d24e1c26935fff3c
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 3 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 28 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 SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\729a25fd44404f57246778a7b9cdbf469810a1bac9f18ee4d24e1c26935fff3c.exe"C:\Users\Admin\AppData\Local\Temp\729a25fd44404f57246778a7b9cdbf469810a1bac9f18ee4d24e1c26935fff3c.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u33w.0.exe"C:\Users\Admin\AppData\Local\Temp\u33w.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 2900 -s 24483⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u33w.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u33w.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- 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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
-
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C:\Users\Admin\AppData\Local\Temp\u33w.3.exe"C:\Users\Admin\AppData\Local\Temp\u33w.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
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 11562⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4028 -ip 40281⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2900 -ip 29001⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
c8f657e1
ioloDMLog.txt
tmpB37.tmp
tmpB59.tmp
u33w.0.exe
u33w.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u33w.3.exe
memory/1276-277-0x00000000059A0000-0x00000000059F0000-memory.dmp
memory/1276-279-0x0000000006B30000-0x000000000705C000-memory.dmp
memory/1276-276-0x0000000005A20000-0x0000000005A96000-memory.dmp
memory/1276-281-0x0000000006680000-0x00000000066E6000-memory.dmp
memory/1276-275-0x0000000005B70000-0x0000000005D32000-memory.dmp
memory/1276-278-0x00000000058A0000-0x00000000058AA000-memory.dmp
memory/1276-300-0x0000000007DC0000-0x0000000007DCA000-memory.dmp
memory/1276-280-0x0000000005F00000-0x0000000005F1E000-memory.dmp
memory/1276-269-0x0000000070BA0000-0x0000000071EB7000-memory.dmp
memory/1276-272-0x0000000001000000-0x00000000010C6000-memory.dmp
memory/1276-273-0x0000000005900000-0x0000000005992000-memory.dmp
memory/1276-274-0x0000000005F50000-0x00000000064F6000-memory.dmp
memory/1396-224-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1396-221-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1792-210-0x00007FFAA6720000-0x00007FFAA6929000-memory.dmp
memory/1792-257-0x0000000072180000-0x00000000722FD000-memory.dmp
memory/2900-126-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2900-253-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/2900-125-0x0000000002D60000-0x0000000002E60000-memory.dmp
memory/2900-171-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/2900-267-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/4028-2-0x0000000004840000-0x00000000048AD000-memory.dmp
memory/4028-3-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/4028-13-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/4028-120-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/4028-1-0x0000000002C90000-0x0000000002D90000-memory.dmp
memory/4176-255-0x000001DDDB7D0000-0x000001DDDB7EE000-memory.dmp
memory/4176-228-0x000001DDBDB00000-0x000001DDBDB0C000-memory.dmp
memory/4176-247-0x000001DDDAE60000-0x000001DDDAE82000-memory.dmp
memory/4176-246-0x000001DDDAE50000-0x000001DDDAE5A000-memory.dmp
memory/4176-248-0x000001DDDB9C0000-0x000001DDDBEE8000-memory.dmp
memory/4176-252-0x000001DDDB480000-0x000001DDDB48C000-memory.dmp
memory/4176-251-0x000001DDDB4D0000-0x000001DDDB520000-memory.dmp
memory/4176-244-0x000001DDDADC0000-0x000001DDDADF8000-memory.dmp
memory/4176-254-0x000001DDDB7A0000-0x000001DDDB7C2000-memory.dmp
memory/4176-231-0x000001DDBDB90000-0x000001DDBDB9A000-memory.dmp
memory/4176-230-0x000001DDBDB60000-0x000001DDBDB84000-memory.dmp
memory/4176-229-0x000001DDBDAF0000-0x000001DDBDB04000-memory.dmp
memory/4176-243-0x000001DDD6A10000-0x000001DDD6A18000-memory.dmp
memory/4176-245-0x000001DDDAD90000-0x000001DDDAD9E000-memory.dmp
memory/4176-227-0x000001DDBDAE0000-0x000001DDBDAF0000-memory.dmp
memory/4176-226-0x000001DDD6580000-0x000001DDD6690000-memory.dmp
memory/4176-225-0x000001DDB8440000-0x000001DDBBD38000-memory.dmp
memory/4176-241-0x000001DDD6AD0000-0x000001DDD6DD0000-memory.dmp
memory/4176-232-0x000001DDBDC10000-0x000001DDBDC3A000-memory.dmp
memory/4176-237-0x000001DDBDBA0000-0x000001DDBDBAA000-memory.dmp
memory/4176-236-0x000001DDD6A50000-0x000001DDD6AC6000-memory.dmp
memory/4176-235-0x000001DDD6970000-0x000001DDD69D2000-memory.dmp
memory/4176-233-0x000001DDD6840000-0x000001DDD68F2000-memory.dmp
memory/4176-234-0x000001DDD68F0000-0x000001DDD696A000-memory.dmp
memory/4924-99-0x0000000072180000-0x00000000722FD000-memory.dmp
memory/4924-100-0x00007FFAA6720000-0x00007FFAA6929000-memory.dmp
memory/4924-142-0x0000000072180000-0x00000000722FD000-memory.dmp