Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
19/05/2024, 01:54
General
- Target bb3bc7994d092c3f510327cf6e11506fe17c0d6fae9ae220de12f5928a2c185e.exe
- Size 695KB
- Sample240519-cbkthscd7w
- SHA256 bb3bc7994d092c3f510327cf6e11506fe17c0d6fae9ae220de12f5928a2c185e
Malware Config
Extracted
-
Protocol
ftp
-
Host
eu-west-1.sftpcloud.io
-
Port
21
-
Username
dc2d3038d5c743319b4d84cc320c4fad
-
Password
xmFBI1ctaq8b1qv5SWZ3AOzpG1Yb6y2K
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://eu-west-1.sftpcloud.io
-
Port
21
-
Username
dc2d3038d5c743319b4d84cc320c4fad
-
Password
xmFBI1ctaq8b1qv5SWZ3AOzpG1Yb6y2K
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bb3bc7994d092c3f510327cf6e11506fe17c0d6fae9ae220de12f5928a2c185e.exe"C:\Users\Admin\AppData\Local\Temp\bb3bc7994d092c3f510327cf6e11506fe17c0d6fae9ae220de12f5928a2c185e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\bb3bc7994d092c3f510327cf6e11506fe17c0d6fae9ae220de12f5928a2c185e.exe"C:\Users\Admin\AppData\Local\Temp\bb3bc7994d092c3f510327cf6e11506fe17c0d6fae9ae220de12f5928a2c185e.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2044-8-0x0000000005A80000-0x0000000005A8C000-memory.dmp
memory/2044-10-0x0000000006690000-0x0000000006712000-memory.dmp
memory/2044-2-0x0000000005D20000-0x00000000062C4000-memory.dmp
memory/2044-9-0x0000000003020000-0x0000000003030000-memory.dmp
memory/2044-4-0x0000000005720000-0x000000000572A000-memory.dmp
memory/2044-6-0x00000000059A0000-0x0000000005A3C000-memory.dmp
memory/2044-5-0x0000000074880000-0x0000000075030000-memory.dmp
memory/2044-7-0x0000000005980000-0x00000000059A2000-memory.dmp
memory/2044-1-0x0000000000C60000-0x0000000000D12000-memory.dmp
memory/2044-0-0x000000007488E000-0x000000007488F000-memory.dmp
memory/2044-3-0x0000000005770000-0x0000000005802000-memory.dmp
memory/2044-15-0x0000000074880000-0x0000000075030000-memory.dmp
memory/2044-13-0x000000007488E000-0x000000007488F000-memory.dmp
memory/4508-14-0x0000000074880000-0x0000000075030000-memory.dmp
memory/4508-11-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4508-16-0x0000000074880000-0x0000000075030000-memory.dmp
memory/4508-17-0x0000000005200000-0x0000000005266000-memory.dmp
memory/4508-18-0x0000000005EE0000-0x0000000005F30000-memory.dmp
memory/4508-19-0x0000000074880000-0x0000000075030000-memory.dmp