Analysis
- max time kernel
149s - max time network
157s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
07/04/2024, 22:31
General
- Target c47884042b467f8bc2463a5925e4fb16828723f72fdb620a0b477c9b0f1e3088.exe
- Size 478KB
- Sample240407-2fmaksgd7w
- SHA256 c47884042b467f8bc2463a5925e4fb16828723f72fdb620a0b477c9b0f1e3088
Malware Config
Extracted
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stealc
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http://185.172.128.209
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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
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C:\Users\Admin\AppData\Local\Temp\c47884042b467f8bc2463a5925e4fb16828723f72fdb620a0b477c9b0f1e3088.exe"C:\Users\Admin\AppData\Local\Temp\c47884042b467f8bc2463a5925e4fb16828723f72fdb620a0b477c9b0f1e3088.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u36k.0.exe"C:\Users\Admin\AppData\Local\Temp\u36k.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CBAKJKJJJE.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CBAKJKJJJE.exe"C:\Users\Admin\AppData\Local\Temp\CBAKJKJJJE.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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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\CBAKJKJJJE.exe5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 24083⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u36k.1.exe"C:\Users\Admin\AppData\Local\Temp\u36k.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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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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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 12002⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4124 -ip 41241⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2688 -ip 26881⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
CBAKJKJJJE.exe
ioloDMLog.txt
u36k.0.exe
u36k.1.exe
memory/232-208-0x00000000008C0000-0x00000000008E0000-memory.dmp
memory/232-209-0x00000000725A0000-0x0000000072D51000-memory.dmp
memory/232-210-0x0000000005320000-0x0000000005330000-memory.dmp
memory/232-214-0x00000000725A0000-0x0000000072D51000-memory.dmp
memory/2228-144-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2228-81-0x0000000002760000-0x0000000002761000-memory.dmp
memory/2228-130-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2452-155-0x000002661A790000-0x000002661A7BA000-memory.dmp
memory/2452-166-0x000002661A800000-0x000002661A810000-memory.dmp
memory/2452-201-0x000002661A800000-0x000002661A810000-memory.dmp
memory/2452-191-0x000002661A800000-0x000002661A810000-memory.dmp
memory/2452-190-0x000002661A800000-0x000002661A810000-memory.dmp
memory/2452-189-0x000002661A800000-0x000002661A810000-memory.dmp
memory/2452-187-0x00007FFDD4470000-0x00007FFDD4F32000-memory.dmp
memory/2452-180-0x0000026680120000-0x000002668013E000-memory.dmp
memory/2452-179-0x0000026680260000-0x0000026680282000-memory.dmp
memory/2452-146-0x00007FFDD4470000-0x00007FFDD4F32000-memory.dmp
memory/2452-147-0x000002667C7D0000-0x00000266800C8000-memory.dmp
memory/2452-148-0x000002661A800000-0x000002661A810000-memory.dmp
memory/2452-149-0x000002661A810000-0x000002661A920000-memory.dmp
memory/2452-150-0x0000026601D80000-0x0000026601D90000-memory.dmp
memory/2452-151-0x0000026601DA0000-0x0000026601DAC000-memory.dmp
memory/2452-152-0x0000026601D90000-0x0000026601DA4000-memory.dmp
memory/2452-153-0x000002661A740000-0x000002661A764000-memory.dmp
memory/2452-154-0x000002661A770000-0x000002661A77A000-memory.dmp
memory/2452-178-0x000002661EC20000-0x000002661EC2C000-memory.dmp
memory/2452-156-0x000002661A920000-0x000002661A9D2000-memory.dmp
memory/2452-157-0x000002661AB60000-0x000002661ABDA000-memory.dmp
memory/2452-159-0x0000026680150000-0x00000266801C6000-memory.dmp
memory/2452-158-0x000002661ABE0000-0x000002661AC42000-memory.dmp
memory/2452-160-0x0000026601D60000-0x0000026601D6A000-memory.dmp
memory/2452-164-0x000002661AC40000-0x000002661AF40000-memory.dmp
memory/2452-177-0x0000026680210000-0x0000026680260000-memory.dmp
memory/2452-169-0x000002661A800000-0x000002661A810000-memory.dmp
memory/2452-168-0x00000266800E0000-0x00000266800E8000-memory.dmp
memory/2452-170-0x00000266801D0000-0x0000026680208000-memory.dmp
memory/2452-171-0x00000266800F0000-0x00000266800FE000-memory.dmp
memory/2452-172-0x000002661EBF0000-0x000002661EBFA000-memory.dmp
memory/2452-173-0x000002661EC00000-0x000002661EC22000-memory.dmp
memory/2452-174-0x000002661FBC0000-0x00000266200E8000-memory.dmp
memory/2688-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2688-16-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2688-211-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2688-14-0x0000000000860000-0x0000000000960000-memory.dmp
memory/2688-186-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2688-131-0x0000000000860000-0x0000000000960000-memory.dmp
memory/2688-15-0x0000000002240000-0x0000000002267000-memory.dmp
memory/2688-129-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2688-59-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4124-1-0x0000000000640000-0x0000000000740000-memory.dmp
memory/4124-80-0x0000000000400000-0x0000000000487000-memory.dmp
memory/4124-19-0x00000000023A0000-0x000000000240C000-memory.dmp
memory/4124-18-0x0000000000640000-0x0000000000740000-memory.dmp
memory/4124-4-0x0000000000400000-0x0000000000487000-memory.dmp
memory/4124-3-0x0000000000400000-0x0000000000487000-memory.dmp
memory/4124-17-0x0000000000400000-0x0000000000487000-memory.dmp
memory/4124-2-0x00000000023A0000-0x000000000240C000-memory.dmp