Analysis
- max time kernel
147s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
05/05/2024, 22:04
General
- Target 501c2f7253cc227dfc4737f31fe6a685f12dc21fadc076e23e44eaf8bdc31391.exe
- Size 416KB
- Sample240505-1y5zzaab68
- SHA256 501c2f7253cc227dfc4737f31fe6a685f12dc21fadc076e23e44eaf8bdc31391
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\501c2f7253cc227dfc4737f31fe6a685f12dc21fadc076e23e44eaf8bdc31391.exe"C:\Users\Admin\AppData\Local\Temp\501c2f7253cc227dfc4737f31fe6a685f12dc21fadc076e23e44eaf8bdc31391.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u3hg.0.exe"C:\Users\Admin\AppData\Local\Temp\u3hg.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 23483⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u3hg.1.exe"C:\Users\Admin\AppData\Local\Temp\u3hg.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 4516 -s 11962⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4516 -ip 45161⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4480 -ip 44801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
u3hg.0.exe
u3hg.1.exe
memory/1460-95-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1460-96-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3548-105-0x0000023A4DA20000-0x0000023A4DA4A000-memory.dmp
memory/3548-109-0x0000023A336D0000-0x0000023A336DA000-memory.dmp
memory/3548-126-0x0000023A52A60000-0x0000023A52A7E000-memory.dmp
memory/3548-125-0x0000023A52A30000-0x0000023A52A52000-memory.dmp
memory/3548-124-0x0000023A52990000-0x0000023A5299C000-memory.dmp
memory/3548-97-0x0000023A2F980000-0x0000023A33278000-memory.dmp
memory/3548-98-0x0000023A4DA60000-0x0000023A4DB70000-memory.dmp
memory/3548-100-0x0000023A350A0000-0x0000023A350AC000-memory.dmp
memory/3548-99-0x0000023A337C0000-0x0000023A337D0000-memory.dmp
memory/3548-101-0x0000023A337D0000-0x0000023A337E4000-memory.dmp
memory/3548-102-0x0000023A35110000-0x0000023A35134000-memory.dmp
memory/3548-103-0x0000023A4DA00000-0x0000023A4DA0A000-memory.dmp
memory/3548-104-0x0000023A4DCC0000-0x0000023A4DD72000-memory.dmp
memory/3548-123-0x0000023A529E0000-0x0000023A52A30000-memory.dmp
memory/3548-107-0x0000023A4DDF0000-0x0000023A4DE52000-memory.dmp
memory/3548-106-0x0000023A4DD70000-0x0000023A4DDEA000-memory.dmp
memory/3548-108-0x0000023A4DED0000-0x0000023A4DF46000-memory.dmp
memory/3548-120-0x0000023A53170000-0x0000023A53698000-memory.dmp
memory/3548-113-0x0000023A4DF50000-0x0000023A4E250000-memory.dmp
memory/3548-115-0x0000023A52970000-0x0000023A52978000-memory.dmp
memory/3548-116-0x0000023A522B0000-0x0000023A522E8000-memory.dmp
memory/3548-117-0x0000023A52280000-0x0000023A5228E000-memory.dmp
memory/3548-118-0x0000023A52C10000-0x0000023A52C1A000-memory.dmp
memory/3548-119-0x0000023A52C20000-0x0000023A52C42000-memory.dmp
memory/4480-50-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4480-34-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4480-83-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4480-170-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4516-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4516-33-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4516-23-0x0000000000400000-0x0000000002B25000-memory.dmp
memory/4516-1-0x0000000002BE0000-0x0000000002CE0000-memory.dmp
memory/4516-2-0x00000000048A0000-0x000000000490C000-memory.dmp