Analysis
- max time kernel
147s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
10/05/2024, 17:23
General
- Target 57d32a6ee7ded04e612eb459fdd91b232009f253a86038ab2798f66b760daef6.exe
- Size 372KB
- Sample240510-vx83cabh25
- SHA256 57d32a6ee7ded04e612eb459fdd91b232009f253a86038ab2798f66b760daef6
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
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C:\Users\Admin\AppData\Local\Temp\57d32a6ee7ded04e612eb459fdd91b232009f253a86038ab2798f66b760daef6.exe"C:\Users\Admin\AppData\Local\Temp\57d32a6ee7ded04e612eb459fdd91b232009f253a86038ab2798f66b760daef6.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\uw.0.exe"C:\Users\Admin\AppData\Local\Temp\uw.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 4172 -s 24283⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\uw.1.exe"C:\Users\Admin\AppData\Local\Temp\uw.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 32 -s 11642⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 32 -ip 321⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4172 -ip 41721⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
ioloDMLog.txt
uw.0.exe
uw.1.exe
memory/32-28-0x0000000000400000-0x000000000046F000-memory.dmp
memory/32-26-0x0000000000400000-0x0000000002599000-memory.dmp
memory/32-1-0x0000000002910000-0x0000000002A10000-memory.dmp
memory/32-27-0x00000000042B0000-0x000000000431C000-memory.dmp
memory/32-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/32-2-0x00000000042B0000-0x000000000431C000-memory.dmp
memory/876-139-0x000001A7C4370000-0x000001A7C4380000-memory.dmp
memory/876-156-0x000001A7E2BB0000-0x000001A7E2BBE000-memory.dmp
memory/876-166-0x000001A7E3330000-0x000001A7E334E000-memory.dmp
memory/876-165-0x000001A7E33D0000-0x000001A7E3446000-memory.dmp
memory/876-137-0x000001A7C0450000-0x000001A7C3C84000-memory.dmp
memory/876-138-0x000001A7DE410000-0x000001A7DE51A000-memory.dmp
memory/876-140-0x000001A7C5AC0000-0x000001A7C5ACC000-memory.dmp
memory/876-164-0x000001A7E32F0000-0x000001A7E32FC000-memory.dmp
memory/876-141-0x000001A7C5AB0000-0x000001A7C5AC4000-memory.dmp
memory/876-142-0x000001A7C5B20000-0x000001A7C5B44000-memory.dmp
memory/876-143-0x000001A7DE520000-0x000001A7DE52A000-memory.dmp
memory/876-144-0x000001A7DE550000-0x000001A7DE57A000-memory.dmp
memory/876-145-0x000001A7DE6E0000-0x000001A7DE792000-memory.dmp
memory/876-146-0x000001A7DE7E0000-0x000001A7DE830000-memory.dmp
memory/876-147-0x000001A7DE830000-0x000001A7DE852000-memory.dmp
memory/876-148-0x000001A7C4180000-0x000001A7C418A000-memory.dmp
memory/876-152-0x000001A7DE860000-0x000001A7DEB60000-memory.dmp
memory/876-154-0x000001A7E32A0000-0x000001A7E32A8000-memory.dmp
memory/876-155-0x000001A7E2BE0000-0x000001A7E2C18000-memory.dmp
memory/876-161-0x000001A7E3B00000-0x000001A7E4028000-memory.dmp
memory/876-157-0x000001A7E2BD0000-0x000001A7E2BD8000-memory.dmp
memory/876-159-0x000001A7E3570000-0x000001A7E35D2000-memory.dmp
memory/876-160-0x000001A7E32D0000-0x000001A7E32F2000-memory.dmp
memory/876-158-0x000001A7E3550000-0x000001A7E355A000-memory.dmp
memory/3120-136-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3120-135-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4172-123-0x0000000000400000-0x0000000002576000-memory.dmp
memory/4172-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp