Analysis
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max time kernel
141s -
max time network
54s -
platform
windows10-2004_x64 -
resource
win10v2004-20231201-en -
resource tags
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submitted
05-12-2023 07:17
General
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Target
Payment receipt.exe
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Size
2.1MB
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MD5
04b5551bae13bddd928b437988edd8d6
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SHA1
2b3801e796ef1d671166cc1fde1e2109eb6907b8
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SHA256
4c0a5de7165339f7ddf75a1ba546b353393590aef9aeee8aac6f77f0851cc6d1
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SHA512
dcd2ecd9d89c49d4e8dfbb5a2cf73abc560d0d6e8e8bcfe256214b28551aa3b465d63601ae5872f60dbb3b32579e14f968ca27c764fb7584198b6be553205e4e
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SSDEEP
49152:f4id+5T7jXn97I1EOTKtnwV2mgG96xrQdbOYeRryz8w+7ievI:f4id+5DX1bFbqirQt3eMD+Xg
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.standard.co.th - Port:
587 - Username:
[email protected] - Password:
zk71Mpxw - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 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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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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Themida packer 1 IoCs
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe"C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
6.0MB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
8KB
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Filesize
6.0MB
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Filesize
5.6MB
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Filesize
408KB
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Filesize
6.0MB
-
Filesize
960KB
-
Filesize
320KB
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Filesize
624KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
584KB
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Filesize
40KB