Analysis
- max time kernel
116s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
03/04/2024, 12:14
General
- Target INVOICE-BUO2300000.exe
- Size 774KB
- Sample240403-pea5psdd38
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 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 use of WriteProcessMemory
-
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=2352 --field-trial-handle=2232,i,11267738607351977302,107266978269557304,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
INVOICE-BUO2300000.exe.log
memory/2044-8-0x0000000009FE0000-0x000000000A062000-memory.dmp
memory/2044-1-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/2044-3-0x0000000007630000-0x00000000076C2000-memory.dmp
memory/2044-4-0x0000000007860000-0x0000000007870000-memory.dmp
memory/2044-5-0x00000000077C0000-0x00000000077CA000-memory.dmp
memory/2044-6-0x0000000007970000-0x0000000007980000-memory.dmp
memory/2044-7-0x00000000087F0000-0x00000000087FC000-memory.dmp
memory/2044-0-0x00000000006F0000-0x00000000007B6000-memory.dmp
memory/2044-2-0x0000000007B40000-0x00000000080E4000-memory.dmp
memory/2044-9-0x0000000006340000-0x00000000063DC000-memory.dmp
memory/2044-14-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/3612-13-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/3612-15-0x0000000005940000-0x0000000005950000-memory.dmp
memory/3612-10-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3612-16-0x0000000005880000-0x00000000058E6000-memory.dmp
memory/3612-17-0x00000000066B0000-0x0000000006700000-memory.dmp
memory/3612-18-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/3612-19-0x0000000005940000-0x0000000005950000-memory.dmp