Analysis
- max time kernel
91s - max time network
12s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 19:56
General
- Target gunzipped.exe
- Size 651KB
- Sample201109-xtk7src6va
- SHA256 0d2a1e1ae63f88fe43639ddcec25db83eef70cc09ed98403f570fb61293fcf2f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
mail.flood-protection.org
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Port
587
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Username
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Password
sepp2424@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- 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 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1004-0-0x00000000741E0000-0x00000000748CE000-memory.dmp
memory/1004-1-0x0000000001010000-0x0000000001011000-memory.dmp
memory/1004-3-0x0000000000330000-0x000000000033F000-memory.dmp
memory/1004-4-0x0000000000340000-0x0000000000342000-memory.dmp
memory/1004-5-0x00000000003F0000-0x00000000003F2000-memory.dmp
memory/1004-6-0x0000000000520000-0x0000000000523000-memory.dmp
memory/1448-7-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1448-9-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1448-10-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1448-11-0x00000000741E0000-0x00000000748CE000-memory.dmp