Analysis
- max time kernel
273s - max time network
298s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
01/05/2024, 23:44
General
- Target ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b.exe
- Size 418KB
- Sample240501-3rewbaaf5v
- SHA256 ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b
Malware Config
Extracted
-
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
-
C:\Users\Admin\AppData\Local\Temp\ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b.exe"C:\Users\Admin\AppData\Local\Temp\ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u268.0.exe"C:\Users\Admin\AppData\Local\Temp\u268.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\u268.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u268.2\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
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
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
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
40d53694
tmpA891.tmp
u268.0.exe
u268.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
mozglue.dll
nss3.dll
memory/1568-131-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1568-130-0x0000000000400000-0x0000000002B06000-memory.dmp
memory/1568-190-0x0000000000400000-0x0000000002B06000-memory.dmp
memory/1568-197-0x0000000000400000-0x0000000002B06000-memory.dmp
memory/2316-107-0x00000000721A0000-0x0000000073523000-memory.dmp
memory/2316-116-0x0000000005780000-0x000000000578A000-memory.dmp
memory/2316-129-0x0000000007CC0000-0x0000000007CCA000-memory.dmp
memory/2316-119-0x0000000006540000-0x00000000065A6000-memory.dmp
memory/2316-118-0x0000000006460000-0x000000000647E000-memory.dmp
memory/2316-110-0x0000000001120000-0x00000000011E6000-memory.dmp
memory/2316-111-0x00000000057A0000-0x0000000005832000-memory.dmp
memory/2316-112-0x0000000005D40000-0x000000000623E000-memory.dmp
memory/2316-113-0x0000000005A20000-0x0000000005BE2000-memory.dmp
memory/2316-114-0x00000000058C0000-0x0000000005936000-memory.dmp
memory/2316-115-0x0000000005990000-0x00000000059E0000-memory.dmp
memory/2316-117-0x0000000006930000-0x0000000006E5C000-memory.dmp
memory/2452-105-0x00000000736D0000-0x000000007384B000-memory.dmp
memory/2452-103-0x00007FFE96C10000-0x00007FFE96DEB000-memory.dmp
memory/2816-1-0x0000000000B70000-0x0000000000C70000-memory.dmp
memory/2816-85-0x0000000000400000-0x000000000086B000-memory.dmp
memory/2816-86-0x00000000009C0000-0x0000000000A2D000-memory.dmp
memory/2816-87-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2816-10-0x0000000000400000-0x000000000086B000-memory.dmp
memory/2816-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2816-2-0x00000000009C0000-0x0000000000A2D000-memory.dmp
memory/4840-100-0x00000000736D0000-0x000000007384B000-memory.dmp
memory/4840-94-0x00007FFE96C10000-0x00007FFE96DEB000-memory.dmp
memory/4840-93-0x00000000736D0000-0x000000007384B000-memory.dmp