Analysis
- max time kernel
299s - max time network
251s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
05/05/2024, 22:45
General
- Target 91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe
- Size 434KB
- Sample240505-2phzhsbd28
- SHA256 91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114
Malware Config
Extracted
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stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
- Detect ZGRat V1 3 IoCs
- Detects Arechclient2 RAT 1 IoCs
Arechclient2.
- SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
- SectopRAT payload 1 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 3 IoCs
- Loads dropped DLL 5 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.
- Suspicious use of SetThreadContext 2 IoCs
- 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 27 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe"C:\Users\Admin\AppData\Local\Temp\91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1lc.0.exe"C:\Users\Admin\AppData\Local\Temp\u1lc.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\u1lc.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u1lc.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\u1lc.3.exe"C:\Users\Admin\AppData\Local\Temp\u1lc.3.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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
57dbbf2d
ioloDMLog.txt
tmp4B6E.tmp
u1lc.0.exe
u1lc.1.zip
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u1lc.3.exe
mozglue.dll
nss3.dll
ASUS_WMI.dll
memory/1012-217-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1012-281-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/1732-187-0x000001D4C5250000-0x000001D4C52A0000-memory.dmp
memory/1732-166-0x000001D4A55D0000-0x000001D4A55E4000-memory.dmp
memory/1732-189-0x000001D4C52A0000-0x000001D4C52C2000-memory.dmp
memory/1732-182-0x000001D4C51D0000-0x000001D4C51DA000-memory.dmp
memory/1732-184-0x000001D4C5750000-0x000001D4C5C76000-memory.dmp
memory/1732-191-0x000001D4C5230000-0x000001D4C524E000-memory.dmp
memory/1732-183-0x000001D4C51E0000-0x000001D4C5202000-memory.dmp
memory/1732-162-0x000001D4A1870000-0x000001D4A5168000-memory.dmp
memory/1732-165-0x000001D4A5620000-0x000001D4A562C000-memory.dmp
memory/1732-164-0x000001D4A5510000-0x000001D4A5520000-memory.dmp
memory/1732-163-0x000001D4BF9C0000-0x000001D4BFAD0000-memory.dmp
memory/1732-188-0x000001D4C5200000-0x000001D4C520C000-memory.dmp
memory/1732-167-0x000001D4A5680000-0x000001D4A56A4000-memory.dmp
memory/1732-170-0x000001D4BFD00000-0x000001D4BFDB2000-memory.dmp
memory/1732-171-0x000001D4BFDB0000-0x000001D4BFE2A000-memory.dmp
memory/1732-169-0x000001D4BF730000-0x000001D4BF75A000-memory.dmp
memory/1732-168-0x000001D4A5600000-0x000001D4A560A000-memory.dmp
memory/1732-173-0x000001D4BFF10000-0x000001D4BFF86000-memory.dmp
memory/1732-172-0x000001D4BFE30000-0x000001D4BFE92000-memory.dmp
memory/1732-174-0x000001D4A5610000-0x000001D4A561A000-memory.dmp
memory/1732-178-0x000001D4BFF90000-0x000001D4C0290000-memory.dmp
memory/1732-180-0x000001D4C4050000-0x000001D4C4058000-memory.dmp
memory/1732-181-0x000001D4C4EE0000-0x000001D4C4F18000-memory.dmp
memory/2064-119-0x0000000002FA0000-0x000000000300D000-memory.dmp
memory/2064-120-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2064-2-0x0000000002FA0000-0x000000000300D000-memory.dmp
memory/2064-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2064-4-0x0000000000400000-0x0000000002B2A000-memory.dmp
memory/2064-118-0x0000000000400000-0x0000000002B2A000-memory.dmp
memory/2064-1-0x0000000002B30000-0x0000000002C30000-memory.dmp
memory/2740-147-0x00007FFD7E370000-0x00007FFD7E54B000-memory.dmp
memory/2740-190-0x0000000073140000-0x00000000732BB000-memory.dmp
memory/3060-161-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3060-150-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3860-144-0x0000000073140000-0x00000000732BB000-memory.dmp
memory/3860-107-0x0000000073140000-0x00000000732BB000-memory.dmp
memory/3860-108-0x00007FFD7E370000-0x00007FFD7E54B000-memory.dmp
memory/4944-200-0x0000000005CF0000-0x0000000005EB2000-memory.dmp
memory/4944-203-0x0000000005920000-0x000000000592A000-memory.dmp
memory/4944-204-0x0000000006A90000-0x0000000006FBC000-memory.dmp
memory/4944-205-0x00000000065F0000-0x000000000660E000-memory.dmp
memory/4944-206-0x00000000066D0000-0x0000000006736000-memory.dmp
memory/4944-202-0x0000000005AC0000-0x0000000005B10000-memory.dmp
memory/4944-216-0x0000000007FD0000-0x0000000007FDA000-memory.dmp
memory/4944-201-0x0000000005A40000-0x0000000005AB6000-memory.dmp
memory/4944-199-0x0000000005F40000-0x000000000643E000-memory.dmp
memory/4944-198-0x00000000059A0000-0x0000000005A32000-memory.dmp
memory/4944-197-0x0000000001400000-0x00000000014C6000-memory.dmp
memory/4944-193-0x0000000071B20000-0x0000000072EA3000-memory.dmp
memory/4944-283-0x00000000081E0000-0x00000000081F2000-memory.dmp