Analysis
- max time kernel
253s - max time network
258s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
02/05/2024, 00:06
General
- Target df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe
- Size 455KB
- Sample240502-ad565abb2w
- SHA256 df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d
Malware Config
Extracted
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stealc
-
http://185.172.128.151
-
url_path
/7043a0c6a68d9c65.php
Signatures
- 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++.
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 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 processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe"C:\Users\Admin\AppData\Local\Temp\df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u148.0.exe"C:\Users\Admin\AppData\Local\Temp\u148.0.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\u148.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u148.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- 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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-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
ee98e1e1
tmpFEC4.tmp
u148.0.exe
u148.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
mozglue.dll
nss3.dll
memory/1060-168-0x0000000000400000-0x0000000002B06000-memory.dmp
memory/1060-8-0x00007FF99AF30000-0x00007FF99B10B000-memory.dmp
memory/1060-132-0x0000000000400000-0x0000000002B06000-memory.dmp
memory/1060-97-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1448-84-0x00007FF99AF30000-0x00007FF99B10B000-memory.dmp
memory/1448-1-0x00007FF99AF30000-0x00007FF99B10B000-memory.dmp
memory/1448-83-0x0000000000400000-0x0000000001A3D000-memory.dmp
memory/3068-91-0x00007FF99AF30000-0x00007FF99B10B000-memory.dmp
memory/3068-90-0x0000000073AA0000-0x0000000073C1B000-memory.dmp
memory/3068-148-0x0000000073AA0000-0x0000000073C1B000-memory.dmp
memory/4920-167-0x00007FF99AF30000-0x00007FF99B10B000-memory.dmp
memory/4920-170-0x0000000073AA0000-0x0000000073C1B000-memory.dmp
memory/5048-172-0x00000000717A0000-0x0000000072B23000-memory.dmp
memory/5048-176-0x00000000055A0000-0x0000000005632000-memory.dmp
memory/5048-177-0x0000000005B40000-0x000000000603E000-memory.dmp
memory/5048-178-0x0000000006040000-0x0000000006202000-memory.dmp
memory/5048-179-0x0000000005640000-0x00000000056B6000-memory.dmp
memory/5048-180-0x00000000056C0000-0x0000000005710000-memory.dmp
memory/5048-181-0x00000000030A0000-0x00000000030AA000-memory.dmp
memory/5048-182-0x0000000006740000-0x0000000006C6C000-memory.dmp
memory/5048-183-0x0000000005AF0000-0x0000000005B0E000-memory.dmp
memory/5048-184-0x00000000062A0000-0x0000000006306000-memory.dmp
memory/5048-175-0x0000000000F00000-0x0000000000FC6000-memory.dmp
memory/5048-194-0x0000000007A90000-0x0000000007A9A000-memory.dmp