Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240319-en - resource tags
- submitted
02/04/2024, 13:28
General
- Target DHL Waybill & Shipping Documents.exe
- Size 662KB
- Sample240402-qqvtxsbf28
- SHA256 c1554b4539b962eeeb79e84058197827abae4cad2dbf81e5055f7c9259bb3584
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.trisquarespl.com
-
Port
587
-
Username
-
Password
YokTA(D3
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.trisquarespl.com
-
Port
587
-
Username
-
Password
YokTA(D3
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Waybill & Shipping Documents.exe"C:\Users\Admin\AppData\Local\Temp\DHL Waybill & Shipping Documents.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DHL Waybill & Shipping Documents.exe"C:\Users\Admin\AppData\Local\Temp\DHL Waybill & Shipping Documents.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- 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=4132 --field-trial-handle=2260,i,4762972005863767630,9297428255150568035,262144 --variations-seed-version /prefetch:81⤵
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/636-19-0x0000000005770000-0x0000000005780000-memory.dmp
memory/636-11-0x0000000000400000-0x0000000000440000-memory.dmp
memory/636-18-0x0000000074960000-0x0000000075110000-memory.dmp
memory/636-17-0x0000000006E50000-0x0000000006EA0000-memory.dmp
memory/636-16-0x00000000056B0000-0x0000000005716000-memory.dmp
memory/636-13-0x0000000074960000-0x0000000075110000-memory.dmp
memory/636-15-0x0000000005770000-0x0000000005780000-memory.dmp
memory/824-5-0x0000000005560000-0x000000000556A000-memory.dmp
memory/824-8-0x0000000006680000-0x000000000668C000-memory.dmp
memory/824-9-0x00000000066F0000-0x0000000006772000-memory.dmp
memory/824-10-0x0000000006CD0000-0x0000000006D6C000-memory.dmp
memory/824-7-0x0000000006670000-0x000000000667A000-memory.dmp
memory/824-1-0x0000000074960000-0x0000000075110000-memory.dmp
memory/824-6-0x0000000006C20000-0x0000000006C34000-memory.dmp
memory/824-14-0x0000000074960000-0x0000000075110000-memory.dmp
memory/824-4-0x00000000055B0000-0x00000000055C0000-memory.dmp
memory/824-3-0x00000000053C0000-0x0000000005452000-memory.dmp
memory/824-2-0x0000000005970000-0x0000000005F14000-memory.dmp
memory/824-0-0x0000000000A70000-0x0000000000B16000-memory.dmp
memory/2564-52-0x00000252A9E80000-0x00000252A9E81000-memory.dmp
memory/2564-36-0x00000252A1B40000-0x00000252A1B50000-memory.dmp
memory/2564-20-0x00000252A1A40000-0x00000252A1A50000-memory.dmp
memory/2564-54-0x00000252A9EB0000-0x00000252A9EB1000-memory.dmp
memory/2564-55-0x00000252A9EB0000-0x00000252A9EB1000-memory.dmp
memory/2564-56-0x00000252A9FC0000-0x00000252A9FC1000-memory.dmp