Analysis
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max time kernel
149s -
max time network
121s -
platform
windows10_x64 -
resource
win10 -
submitted
07/07/2020, 10:53
General
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Target
PO 321134.exe
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Size
1.1MB
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MD5
7b2934d2e00efcb5d5dd7ea10c29da17
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SHA1
710fd63edc49f1d74a714398674400254b76574e
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SHA256
abf8160dd66f87903ba311f77da9f6b5c66538ffd5eedc9555a46369a6917b27
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SHA512
1f543a60f91238b97133794dec53d447e1f66952aecab6e754d45bae637412d9eaf2fe38f09dd1efe09f562ee31a46eebb6500775203ae98d5216b07ab94d6ed
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.mail.com - Port:
587 - Username:
[email protected] - Password:
UCHE123456
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 26 IoCs
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Executes dropped EXE 2 IoCs
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PO 321134.exe"C:\Users\Admin\AppData\Local\Temp\PO 321134.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\16437174\ngeih.pif"C:\16437174\ngeih.pif" apgxijq.tun2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 14484⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
6.9MB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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4KB
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4KB
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4KB
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4KB