Analysis
- max time kernel
65s - max time network
148s - platform
windows10_x64 - resource
win10 - submitted
22/07/2020, 08:42
General
- Target gunzipped.exe
- Size 867KB
- Sample200722-hxctxwr6dn
- SHA256 a72cd506b5fc75c21d24703009cc3e58dbd7bb037bf8afaa9f1585ebc79ed235
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.c67976.sgvps.net
-
Port
587
-
Username
-
Password
somc2424@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.c67976.sgvps.net
-
Port
587
-
Username
-
Password
somc2424@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- UPX packed file 3 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\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3792-0-0x0000000000400000-0x00000000004A5000-memory.dmp
memory/3792-2-0x0000000000400000-0x00000000004A5000-memory.dmp
memory/3792-3-0x0000000000400000-0x00000000004A5000-memory.dmp
memory/3792-4-0x0000000002170000-0x00000000021BC000-memory.dmp
memory/3792-5-0x0000000002272000-0x0000000002273000-memory.dmp