Analysis
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max time kernel
94s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:16
General
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Target
Payment Advice.pdf.exe
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Size
455KB
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MD5
6ad6ceabd5276ef0ac02cacaeb8ec2b0
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SHA1
fb3b7b648078309f40db8fe6bb463f9315cf66d5
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SHA256
5ce2d2774ba40e6dc9997abefd9d8d50321eb37b26e3b6963add26877f036a3e
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SHA512
496713183cbcaace5d526ce0bcbbfedd294caa60336ce8191bda10cf086c3ef80bb23246a307709b94f5d793c4376c1b2568b376d94fafccec037a8ebf393aee
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.ahrass.com - Port:
587 - Username:
[email protected] - Password:
chukwuma22
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 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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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 14 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\Payment Advice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SsSTSLAZdec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF206.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Payment Advice.pdf.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpF206.tmpFilesize
1KB
MD5d9f0132fd7c459b5676e28ed521f5748
SHA1967f52bca13bdfca5ef91a3f34d43617f4038b34
SHA256fe54afa9fc4699630fdcf91c064a584beb6a7909342e82edc4052fd617f5ed3d
SHA512125a38b0144b4aaa15ee9ce6996095392f0aa6f6fd22e030a247723c433b041b240753ed50b9b8f820c4d346fae61b44bbb690af9d75075efe975351f9257e3f
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memory/1404-141-0x0000000000000000-mapping.dmp
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memory/1724-135-0x0000000000000000-mapping.dmp
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memory/3216-130-0x0000000000760000-0x00000000007D8000-memory.dmpFilesize
480KB
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memory/3216-131-0x0000000007B50000-0x00000000080F4000-memory.dmpFilesize
5.6MB
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memory/3216-132-0x0000000007640000-0x00000000076D2000-memory.dmpFilesize
584KB
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memory/3216-133-0x00000000076F0000-0x00000000076FA000-memory.dmpFilesize
40KB
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memory/3216-134-0x000000000B150000-0x000000000B1EC000-memory.dmpFilesize
624KB
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memory/4632-137-0x0000000000000000-mapping.dmp
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memory/4632-138-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/4632-139-0x0000000005CD0000-0x0000000005D36000-memory.dmpFilesize
408KB
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memory/4632-140-0x0000000006920000-0x0000000006970000-memory.dmpFilesize
320KB