Analysis
- max time kernel
130s - max time network
132s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
07/05/2024, 19:45
General
- Target 19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe
- Size 404KB
- Sample240507-ygc7hsfa63
- SHA256 19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407
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 23 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\19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe"C:\Users\Admin\AppData\Local\Temp\19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1tk.0.exe"C:\Users\Admin\AppData\Local\Temp\u1tk.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 1040 -s 24563⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u1tk.1.exe"C:\Users\Admin\AppData\Local\Temp\u1tk.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 2360 -s 15282⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2360 -ip 23601⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1040 -ip 10401⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u1tk.0.exe
u1tk.1.exe
memory/968-127-0x00000232D0EF0000-0x00000232D0EFA000-memory.dmp
memory/968-116-0x00000232CC140000-0x00000232CC162000-memory.dmp
memory/968-135-0x00000232D0CD0000-0x00000232D0CEE000-memory.dmp
memory/968-134-0x00000232D0D70000-0x00000232D0DE6000-memory.dmp
memory/968-133-0x00000232D0C90000-0x00000232D0C9C000-memory.dmp
memory/968-130-0x00000232D14A0000-0x00000232D19C8000-memory.dmp
memory/968-129-0x00000232D0C70000-0x00000232D0C92000-memory.dmp
memory/968-106-0x00000232ADDF0000-0x00000232B1624000-memory.dmp
memory/968-107-0x00000232CBDB0000-0x00000232CBEBA000-memory.dmp
memory/968-109-0x00000232CBD20000-0x00000232CBD2C000-memory.dmp
memory/968-108-0x00000232B1A90000-0x00000232B1AA0000-memory.dmp
memory/968-110-0x00000232B3430000-0x00000232B3444000-memory.dmp
memory/968-111-0x00000232CBD80000-0x00000232CBDA4000-memory.dmp
memory/968-112-0x00000232CC020000-0x00000232CC02A000-memory.dmp
memory/968-113-0x00000232CC060000-0x00000232CC08A000-memory.dmp
memory/968-114-0x00000232CC090000-0x00000232CC142000-memory.dmp
memory/968-115-0x00000232CC190000-0x00000232CC1E0000-memory.dmp
memory/968-128-0x00000232D0F10000-0x00000232D0F72000-memory.dmp
memory/968-117-0x00000232CBD00000-0x00000232CBD0A000-memory.dmp
memory/968-121-0x00000232CC1E0000-0x00000232CC4E0000-memory.dmp
memory/968-123-0x00000232CFE90000-0x00000232CFE98000-memory.dmp
memory/968-124-0x00000232D0590000-0x00000232D05C8000-memory.dmp
memory/968-125-0x00000232D0560000-0x00000232D056E000-memory.dmp
memory/968-126-0x00000232D0580000-0x00000232D0588000-memory.dmp
memory/1040-52-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1040-50-0x0000000000400000-0x0000000002AFE000-memory.dmp
memory/1040-140-0x0000000000400000-0x0000000002AFE000-memory.dmp
memory/1040-174-0x0000000000400000-0x0000000002AFE000-memory.dmp
memory/2360-1-0x0000000002C10000-0x0000000002D10000-memory.dmp
memory/2360-30-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2360-27-0x0000000000400000-0x0000000002B22000-memory.dmp
memory/2360-29-0x0000000004860000-0x00000000048CC000-memory.dmp
memory/2360-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2360-2-0x0000000004860000-0x00000000048CC000-memory.dmp
memory/2856-105-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2856-51-0x0000000000400000-0x00000000008AD000-memory.dmp