Analysis
- max time kernel
141s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
04/04/2024, 15:58
General
- Target Acta; Proceso Informativo; Nro-08800411515052211-74 Acta Detellado #0079327788667772-2.exe
- Size 5.4MB
- Sample240404-teqmlsce96
- SHA256 dcf90d69b4a83839e6b741986745c373a2c386a1a5518cab19133fda1f7f6e16
Malware Config
Extracted
-
asyncrat
-
1.0.7
-
NEW ENVIO -04
-
preferenciales12.duckdns.org:7090
-
DcRatMutex_qwqdanchun
-
delay
1
-
install
false
-
install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Acta; Proceso Informativo; Nro-08800411515052211-74 Acta Detellado #0079327788667772-2.exe"C:\Users\Admin\AppData\Local\Temp\Acta; Proceso Informativo; Nro-08800411515052211-74 Acta Detellado #0079327788667772-2.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3672 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2492-4-0x0000000000400000-0x0000000000982000-memory.dmp
memory/2492-1-0x0000000000400000-0x0000000000982000-memory.dmp
memory/2492-2-0x0000000000400000-0x0000000000982000-memory.dmp
memory/2492-0-0x0000000000400000-0x0000000000982000-memory.dmp
memory/4780-6-0x00000000052F0000-0x0000000005300000-memory.dmp
memory/4780-5-0x00000000741A0000-0x0000000074950000-memory.dmp
memory/4780-3-0x0000000000140000-0x0000000000152000-memory.dmp
memory/4780-9-0x0000000005840000-0x00000000058DC000-memory.dmp
memory/4780-10-0x0000000005E90000-0x0000000006434000-memory.dmp
memory/4780-11-0x00000000058E0000-0x0000000005946000-memory.dmp
memory/4780-12-0x00000000741A0000-0x0000000074950000-memory.dmp
memory/4780-13-0x00000000757A0000-0x00000000757B2000-memory.dmp
memory/4780-14-0x00000000052F0000-0x0000000005300000-memory.dmp