Analysis
- max time kernel
132s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
07/05/2024, 17:44
General
- Target d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03.exe
- Size 416KB
- Sample240507-wber2sbb74
- SHA256 d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03
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
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 28 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\d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03.exe"C:\Users\Admin\AppData\Local\Temp\d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u1tg.0.exe"C:\Users\Admin\AppData\Local\Temp\u1tg.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 3976 -s 24883⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u1tg.1.exe"C:\Users\Admin\AppData\Local\Temp\u1tg.1.exe"2⤵
- Checks computer location settings
- 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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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 11562⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2356 -ip 23561⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3976 -ip 39761⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
ioloDMLog.txt
u1tg.0.exe
u1tg.1.exe
memory/2356-28-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2356-27-0x0000000000400000-0x0000000001A32000-memory.dmp
memory/2356-1-0x0000000001D80000-0x0000000001E80000-memory.dmp
memory/2356-29-0x0000000001CD0000-0x0000000001D3C000-memory.dmp
memory/2356-2-0x0000000001CD0000-0x0000000001D3C000-memory.dmp
memory/2356-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3976-34-0x0000000000400000-0x0000000002AFF000-memory.dmp
memory/3976-164-0x0000000000400000-0x0000000002AFF000-memory.dmp
memory/3976-50-0x0000000000400000-0x0000000002AFF000-memory.dmp
memory/3976-51-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3976-112-0x0000000000400000-0x0000000002AFF000-memory.dmp
memory/4316-114-0x000001CFE43F0000-0x000001CFE44A2000-memory.dmp
memory/4316-129-0x000001CFE8870000-0x000001CFE887E000-memory.dmp
memory/4316-111-0x000001CFE3DA0000-0x000001CFE3DC4000-memory.dmp
memory/4316-113-0x000001CFE3DD0000-0x000001CFE3DDA000-memory.dmp
memory/4316-109-0x000001CFE3D40000-0x000001CFE3D4C000-memory.dmp
memory/4316-115-0x000001CFE44F0000-0x000001CFE4540000-memory.dmp
memory/4316-108-0x000001CFC8EA0000-0x000001CFC8EB0000-memory.dmp
memory/4316-116-0x000001CFE4150000-0x000001CFE417A000-memory.dmp
memory/4316-117-0x000001CFE4540000-0x000001CFE4562000-memory.dmp
memory/4316-118-0x000001CFE3DE0000-0x000001CFE3DEA000-memory.dmp
memory/4316-122-0x000001CFE4570000-0x000001CFE4870000-memory.dmp
memory/4316-127-0x000001CFE8F60000-0x000001CFE8F68000-memory.dmp
memory/4316-128-0x000001CFE88A0000-0x000001CFE88D8000-memory.dmp
memory/4316-110-0x000001CFE3D30000-0x000001CFE3D44000-memory.dmp
memory/4316-130-0x000001CFE8890000-0x000001CFE8898000-memory.dmp
memory/4316-131-0x000001CFE9A10000-0x000001CFE9A1A000-memory.dmp
memory/4316-132-0x000001CFE9A30000-0x000001CFE9A92000-memory.dmp
memory/4316-133-0x000001CFE9A90000-0x000001CFE9AB2000-memory.dmp
memory/4316-137-0x000001CFE9FE0000-0x000001CFEA508000-memory.dmp
memory/4316-107-0x000001CFE41A0000-0x000001CFE42AA000-memory.dmp
memory/4316-100-0x000001CFC5270000-0x000001CFC8AA4000-memory.dmp
memory/4316-154-0x000001CFE9790000-0x000001CFE979C000-memory.dmp
memory/4316-165-0x000001CFE4890000-0x000001CFE48AE000-memory.dmp
memory/4316-163-0x000001CFE9870000-0x000001CFE98E6000-memory.dmp
memory/4344-84-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4344-99-0x0000000000400000-0x00000000008AD000-memory.dmp