Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
10/05/2024, 05:35
General
- Target fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe
- Size 371KB
- Sample240510-gaadlsdh2v
- SHA256 fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.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 2 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.
- Suspicious behavior: EnumeratesProcesses 21 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe"C:\Users\Admin\AppData\Local\Temp\fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u3a8.0.exe"C:\Users\Admin\AppData\Local\Temp\u3a8.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 484 -s 25083⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u3a8.1.exe"C:\Users\Admin\AppData\Local\Temp\u3a8.1.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
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4256 -s 14762⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4256 -ip 42561⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 484 -ip 4841⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u3a8.0.exe
u3a8.1.exe
memory/484-118-0x0000000000400000-0x0000000002575000-memory.dmp
memory/484-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2952-130-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4048-135-0x0000025970F20000-0x0000025970F34000-memory.dmp
memory/4048-141-0x0000025971430000-0x0000025971452000-memory.dmp
memory/4048-162-0x0000025970D50000-0x0000025970F03000-memory.dmp
memory/4048-160-0x0000025975F10000-0x0000025975F2E000-memory.dmp
memory/4048-159-0x0000025975FB0000-0x0000025976026000-memory.dmp
memory/4048-131-0x0000025952E90000-0x00000259566C4000-memory.dmp
memory/4048-132-0x0000025971040000-0x000002597114A000-memory.dmp
memory/4048-133-0x0000025970F10000-0x0000025970F20000-memory.dmp
memory/4048-134-0x0000025970F30000-0x0000025970F3C000-memory.dmp
memory/4048-158-0x0000025975ED0000-0x0000025975EDC000-memory.dmp
memory/4048-136-0x0000025970F90000-0x0000025970FB4000-memory.dmp
memory/4048-137-0x0000025970FC0000-0x0000025970FCA000-memory.dmp
memory/4048-138-0x00000259712B0000-0x00000259712DA000-memory.dmp
memory/4048-139-0x00000259712E0000-0x0000025971392000-memory.dmp
memory/4048-140-0x00000259713E0000-0x0000025971430000-memory.dmp
memory/4048-155-0x0000025976720000-0x0000025976C48000-memory.dmp
memory/4048-142-0x0000025970FD0000-0x0000025970FDA000-memory.dmp
memory/4048-146-0x0000025971460000-0x0000025971760000-memory.dmp
memory/4048-148-0x0000025975EA0000-0x0000025975EA8000-memory.dmp
memory/4048-150-0x00000259757F0000-0x00000259757FE000-memory.dmp
memory/4048-149-0x0000025975820000-0x0000025975858000-memory.dmp
memory/4048-151-0x0000025975810000-0x0000025975818000-memory.dmp
memory/4048-152-0x0000025976150000-0x000002597615A000-memory.dmp
memory/4048-154-0x00000259761D0000-0x00000259761F2000-memory.dmp
memory/4048-153-0x0000025976170000-0x00000259761D2000-memory.dmp
memory/4256-26-0x0000000000400000-0x0000000002599000-memory.dmp
memory/4256-1-0x0000000002750000-0x0000000002850000-memory.dmp
memory/4256-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4256-2-0x00000000042B0000-0x000000000431C000-memory.dmp
memory/4256-27-0x0000000000400000-0x000000000046F000-memory.dmp