Analysis
- max time kernel
54s - max time network
141s - platform
windows10_x64 - resource
win10 - submitted
23/09/2020, 06:54
General
- Target Original Invoice.exe
- Size 904KB
- Sample200923-hse6k7a2ra
- SHA256 f2c20a14052af4c93a5f7cb4e27c106e9a9d2c1be1797a03e5874720d53f255f
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.flood-protection.org
-
Port
587
-
Username
-
Password
somc2424@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 5 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Original Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Original Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Original Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Original Invoice.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/716-0-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/3932-1-0x0000000000400000-0x00000000004C0000-memory.dmp
memory/3932-3-0x0000000000400000-0x00000000004C0000-memory.dmp
memory/3932-4-0x0000000000400000-0x00000000004C0000-memory.dmp
memory/3932-5-0x0000000000A10000-0x0000000000A6A000-memory.dmp
memory/3932-6-0x0000000000652000-0x0000000000653000-memory.dmp