Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/07/2026, 01:28
General
- Target 3758bbe67d3bb290e49a4317881084eb64e1e4228af281382059d4ad0e5c11c1.dll
- Size 782KB
- Sample260720-bvtebsbv9m
- SHA256 3758bbe67d3bb290e49a4317881084eb64e1e4228af281382059d4ad0e5c11c1
Malware Config
Extracted
-
asyncrat
-
Venom RAT + HVNC + Stealer + Grabber v6.0.3
-
Default
-
104.164.46.36:4449
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104.164.46.36:2026
-
erettrtrttyryt
-
delay
4
-
install
false
-
install_folder
%AppData%
-
local_host
127.0.0.1
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Drops file in System32 directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies registry class 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 22 IoCs
- Suspicious use of SetWindowsHookEx 10 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3758bbe67d3bb290e49a4317881084eb64e1e4228af281382059d4ad0e5c11c1.dll,#11⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\System32\Trading-Journal.docx" /o ""2⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
sist02.xsl
index.dat
CUSTOM.DIC
fb3b0dbfee58fac8.customDestinations-ms
Trading-Journal.docx
memory/2376-172-0x00007FF7E7BA0000-0x00007FF7E7BB0000-memory.dmp
memory/2376-178-0x00007FF7E7BA0000-0x00007FF7E7BB0000-memory.dmp
memory/2376-547-0x00007FF827A60000-0x00007FF827CC3000-memory.dmp
memory/2376-175-0x00007FF827A60000-0x00007FF827CC3000-memory.dmp
memory/2376-174-0x00007FF827BBF000-0x00007FF827BC0000-memory.dmp
memory/2376-177-0x00007FF827A60000-0x00007FF827CC3000-memory.dmp
memory/2376-176-0x00007FF7E7BA0000-0x00007FF7E7BB0000-memory.dmp
memory/2376-543-0x00007FF7E7BA0000-0x00007FF7E7BB0000-memory.dmp
memory/2376-179-0x00007FF7E51A0000-0x00007FF7E51B0000-memory.dmp
memory/2376-180-0x00007FF7E51A0000-0x00007FF7E51B0000-memory.dmp
memory/2376-544-0x00007FF7E7BA0000-0x00007FF7E7BB0000-memory.dmp
memory/2376-173-0x00007FF7E7BA0000-0x00007FF7E7BB0000-memory.dmp
memory/2376-171-0x00007FF7E7BA0000-0x00007FF7E7BB0000-memory.dmp
memory/2376-545-0x00007FF7E7BA0000-0x00007FF7E7BB0000-memory.dmp
memory/2376-546-0x00007FF7E7BA0000-0x00007FF7E7BB0000-memory.dmp
memory/2376-214-0x00007FF827A60000-0x00007FF827CC3000-memory.dmp
memory/3316-185-0x0000018E253C0000-0x0000018E253D6000-memory.dmp
memory/3316-12-0x0000018E23F70000-0x0000018E23F71000-memory.dmp
memory/3316-11-0x00007FF827A60000-0x00007FF827CC3000-memory.dmp
memory/3316-213-0x0000018E23F70000-0x0000018E23F71000-memory.dmp
memory/3316-13-0x00007FF825470000-0x00007FF825811000-memory.dmp
memory/3316-184-0x00007FF818BC0000-0x00007FF818BDD000-memory.dmp
memory/3316-165-0x0000018E25EC0000-0x0000018E25EDE000-memory.dmp