Analysis
- max time kernel
193s - max time network
301s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
09/05/2024, 23:23
General
- Target b21236873589e7a87443638329edc4d16f6f56a48ddebbba3d5ccd0e9401ecbd.exe
- Size 365KB
- Sample240509-3dendsgc23
- SHA256 b21236873589e7a87443638329edc4d16f6f56a48ddebbba3d5ccd0e9401ecbd
Malware Config
Extracted
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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).
- 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 19 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
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C:\Users\Admin\AppData\Local\Temp\b21236873589e7a87443638329edc4d16f6f56a48ddebbba3d5ccd0e9401ecbd.exe"C:\Users\Admin\AppData\Local\Temp\b21236873589e7a87443638329edc4d16f6f56a48ddebbba3d5ccd0e9401ecbd.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2t8.0.exe"C:\Users\Admin\AppData\Local\Temp\u2t8.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\u2t8.1.exe"C:\Users\Admin\AppData\Local\Temp\u2t8.1.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
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
ioloDMLog.txt
u2t8.0.exe
u2t8.1.exe
mozglue.dll
nss3.dll
memory/652-37-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/652-82-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/756-38-0x00007FFB73BA0000-0x00007FFB73D7B000-memory.dmp
memory/756-48-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/756-144-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/756-112-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/3644-1-0x00007FFB73BA0000-0x00007FFB73D7B000-memory.dmp
memory/3644-13-0x0000000000400000-0x0000000001A25000-memory.dmp
memory/3644-8-0x0000000000400000-0x0000000001A25000-memory.dmp
memory/4260-113-0x000002824D6C0000-0x000002824D6CA000-memory.dmp
memory/4260-124-0x000002826A600000-0x000002826A608000-memory.dmp
memory/4260-111-0x000002824D580000-0x000002824D5A4000-memory.dmp
memory/4260-109-0x000002824D560000-0x000002824D56C000-memory.dmp
memory/4260-115-0x00000282663A0000-0x0000028266452000-memory.dmp
memory/4260-114-0x000002824D6F0000-0x000002824D71A000-memory.dmp
memory/4260-116-0x00000282664A0000-0x00000282664F0000-memory.dmp
memory/4260-117-0x0000028266450000-0x0000028266472000-memory.dmp
memory/4260-108-0x000002824BC60000-0x000002824BC70000-memory.dmp
memory/4260-118-0x000002824D530000-0x000002824D53A000-memory.dmp
memory/4260-122-0x00000282664F0000-0x00000282667F0000-memory.dmp
memory/4260-110-0x000002824D550000-0x000002824D564000-memory.dmp
memory/4260-125-0x000002826AC90000-0x000002826ACC8000-memory.dmp
memory/4260-126-0x000002826A660000-0x000002826A668000-memory.dmp
memory/4260-127-0x000002826AF90000-0x000002826AF9A000-memory.dmp
memory/4260-128-0x000002826AFB0000-0x000002826B012000-memory.dmp
memory/4260-129-0x000002826B010000-0x000002826B032000-memory.dmp
memory/4260-130-0x000002826B560000-0x000002826BA86000-memory.dmp
memory/4260-133-0x000002826AFA0000-0x000002826AFAC000-memory.dmp
memory/4260-134-0x000002826B0F0000-0x000002826B166000-memory.dmp
memory/4260-107-0x0000028266060000-0x000002826616A000-memory.dmp
memory/4260-83-0x0000028247FC0000-0x000002824B7F4000-memory.dmp
memory/4260-145-0x0000028266A10000-0x0000028266A2E000-memory.dmp