Analysis
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max time kernel
129s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
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submitted
27/12/2022, 09:42
General
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Target
SecuriteInfo.com.Win32.PWSX-gen.28755.14296.exe
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Size
909KB
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MD5
e563d02215c2850258019b24d6198811
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SHA1
842509ca40898c1eaa9e152c24727b569307b80a
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SHA256
2bdfeb8fe9d57b7120a48e301a0957cdd2a4cc80c505ee8467471b076adb229a
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SHA512
30c5e73b6912157c19bd6f7dbc9dc191c1bc9a4bdda88adc1fa2e41a749b2d84a5e462ea415524a420a8d4db4fb3a496486a56d612f2b7f1f23ead2c06a7b5c5
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SSDEEP
12288:v8uoykGMLmw5lbGy1h6iqRK9jYGVoyZ/xhGNUTHzNaYCCL0e2vH2Dg1Pjqn0:noyjLwPfMiq89DiSj3THJaFOuHwgbq0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.huiijingco.com - Port:
587 - Username:
[email protected] - Password:
lNLUrZT2
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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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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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28755.14296.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28755.14296.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28755.14296.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28755.14296.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28755.14296.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
104KB
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Filesize
56KB
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Filesize
32KB
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Filesize
104KB
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Filesize
120KB
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Filesize
600KB
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Filesize
216KB
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Filesize
6.2MB
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Filesize
40KB
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Filesize
6.5MB
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Filesize
136KB
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Filesize
120KB
-
Filesize
200KB
-
Filesize
408KB
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Filesize
304KB
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Filesize
240KB
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Filesize
320KB
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Filesize
5.6MB
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Filesize
936KB
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Filesize
408KB
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Filesize
624KB
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Filesize
40KB
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Filesize
584KB