Analysis
- max time kernel
147s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
07/05/2024, 07:03
General
- Target 663d4ada077bad577517aa6a3f8e325abbb238cce7a72b838aecd3b15df65ca6.exe
- Size 416KB
- Sample240507-hvm1wagh48
- SHA256 663d4ada077bad577517aa6a3f8e325abbb238cce7a72b838aecd3b15df65ca6
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\663d4ada077bad577517aa6a3f8e325abbb238cce7a72b838aecd3b15df65ca6.exe"C:\Users\Admin\AppData\Local\Temp\663d4ada077bad577517aa6a3f8e325abbb238cce7a72b838aecd3b15df65ca6.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2d8.0.exe"C:\Users\Admin\AppData\Local\Temp\u2d8.0.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 4076 -s 24603⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u2d8.1.exe"C:\Users\Admin\AppData\Local\Temp\u2d8.1.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 3068 -s 12482⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3068 -ip 30681⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4076 -ip 40761⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u2d8.0.exe
u2d8.1.exe
memory/2168-108-0x000001DA36770000-0x000001DA36822000-memory.dmp
memory/2168-111-0x000001DA363D0000-0x000001DA363F2000-memory.dmp
memory/2168-159-0x000001DA3B650000-0x000001DA3B66E000-memory.dmp
memory/2168-135-0x000001DA3B6F0000-0x000001DA3B766000-memory.dmp
memory/2168-131-0x000001DA3B300000-0x000001DA3B30C000-memory.dmp
memory/2168-128-0x000001DA3BB50000-0x000001DA3C078000-memory.dmp
memory/2168-127-0x000001DA3B600000-0x000001DA3B622000-memory.dmp
memory/2168-126-0x000001DA3B5A0000-0x000001DA3B602000-memory.dmp
memory/2168-91-0x000001DA18480000-0x000001DA1BCB4000-memory.dmp
memory/2168-125-0x000001DA3B2F0000-0x000001DA3B2FA000-memory.dmp
memory/2168-99-0x000001DA36500000-0x000001DA3660A000-memory.dmp
memory/2168-103-0x000001DA36330000-0x000001DA36354000-memory.dmp
memory/2168-102-0x000001DA1C1A0000-0x000001DA1C1B4000-memory.dmp
memory/2168-101-0x000001DA1C1B0000-0x000001DA1C1BC000-memory.dmp
memory/2168-100-0x000001DA1C190000-0x000001DA1C1A0000-memory.dmp
memory/2168-107-0x000001DA1DB50000-0x000001DA1DB5A000-memory.dmp
memory/2168-124-0x000001DA3AC00000-0x000001DA3AC08000-memory.dmp
memory/2168-109-0x000001DA36370000-0x000001DA3639A000-memory.dmp
memory/2168-110-0x000001DA36820000-0x000001DA36870000-memory.dmp
memory/2168-122-0x000001DA3AC10000-0x000001DA3AC48000-memory.dmp
memory/2168-112-0x000001DA1C160000-0x000001DA1C16A000-memory.dmp
memory/2168-116-0x000001DA36870000-0x000001DA36B70000-memory.dmp
memory/2168-118-0x000001DA3B2D0000-0x000001DA3B2D8000-memory.dmp
memory/2168-123-0x000001DA3ABE0000-0x000001DA3ABEE000-memory.dmp
memory/3068-13-0x0000000000400000-0x0000000002B25000-memory.dmp
memory/3068-1-0x0000000002D60000-0x0000000002E60000-memory.dmp
memory/3068-2-0x0000000004880000-0x00000000048EC000-memory.dmp
memory/3068-33-0x0000000004880000-0x00000000048EC000-memory.dmp
memory/3068-32-0x0000000000400000-0x0000000002B25000-memory.dmp
memory/3068-34-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3068-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4076-64-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4076-51-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4076-165-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4076-98-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4076-180-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/4560-50-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4560-63-0x0000000000400000-0x00000000008AD000-memory.dmp