Analysis
- max time kernel
142s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
03/04/2024, 09:43
General
- Target INVOICE-BUO2300000.exe
- Size 774KB
- Sample240403-lpwmlsbf6v
- SHA256 da6f3f1f642c13d2b7bf4c86e2686c5e1b606dbe0838423998c15742940545e9
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.ipr-co.org
-
Port
587
-
Username
-
Password
IPRco@100102@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.ipr-co.org
-
Port
587
-
Username
-
Password
IPRco@100102@
-
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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\INVOICE-BUO2300000.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE-BUO2300000.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\INVOICE-BUO2300000.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE-BUO2300000.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\INVOICE-BUO2300000.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE-BUO2300000.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=4076 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
INVOICE-BUO2300000.exe.log
memory/3520-10-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3520-19-0x00000000050C0000-0x00000000050D0000-memory.dmp
memory/3520-18-0x0000000074C10000-0x00000000753C0000-memory.dmp
memory/3520-17-0x0000000005CD0000-0x0000000005D20000-memory.dmp
memory/3520-16-0x0000000005020000-0x0000000005086000-memory.dmp
memory/3520-15-0x00000000050C0000-0x00000000050D0000-memory.dmp
memory/3520-13-0x0000000074C10000-0x00000000753C0000-memory.dmp
memory/3668-4-0x0000000007D10000-0x0000000007D20000-memory.dmp
memory/3668-9-0x000000000DC20000-0x000000000DCBC000-memory.dmp
memory/3668-8-0x000000000A670000-0x000000000A6F2000-memory.dmp
memory/3668-7-0x0000000008230000-0x000000000823C000-memory.dmp
memory/3668-6-0x0000000007FF0000-0x0000000008000000-memory.dmp
memory/3668-14-0x0000000074C10000-0x00000000753C0000-memory.dmp
memory/3668-5-0x0000000007F10000-0x0000000007F1A000-memory.dmp
memory/3668-0-0x0000000074C10000-0x00000000753C0000-memory.dmp
memory/3668-3-0x0000000007D60000-0x0000000007DF2000-memory.dmp
memory/3668-2-0x0000000008270000-0x0000000008814000-memory.dmp
memory/3668-1-0x0000000000E30000-0x0000000000EF6000-memory.dmp