Analysis
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max time kernel
50s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
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submitted
09/05/2023, 16:10 UTC
General
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Target
RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe
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Size
611KB
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MD5
beaa0809a41f302ef5fe63f8ff33dc7c
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SHA1
a35a921038cd3fbfd9be5dbeecb810b509c8af44
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SHA256
d46e1ec4fd88c836e0f27060808c2506e0df5d1034f9c88e56dd37bfc2113120
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SHA512
7a50094e704bd5b7855d2f9a1591fc5bede16702b60eaebfd1308fd9f103c97cbc870e1a59669d30e1a7b300ab14a68c1eb29790a8f0d574ec45f05d7744c4b9
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SSDEEP
12288:5Nj5AyzfpNHju4KJLwWk4yNAV8kYRz/Mf4QoCRn3AAztGSYzSwIp+muvuB1/2:53/NHadJLwWcNAmkYRDmn3z0SYzSXSuL
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5494052141:AAF2aO4sQ_tu4BOnk0pmxB995km7Mslduy0/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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).
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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 6 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 25 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\RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe"C:\Users\Admin\AppData\Local\Temp\RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\Roaming\BIfqBYtWZCWdQZ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BIfqBYtWZCWdQZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC582.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe"C:\Users\Admin\AppData\Local\Temp\RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe"C:\Users\Admin\AppData\Local\Temp\RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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
1KB
MD562cd75fc51314730e1ad32bfadc90514
SHA1b870a7a737b16fe7167361f4ac790a4c5f72db0f
SHA2563da1d683811ed7efd6a4f916cc615051fd9d35faf0a5f4b60686671bbcf5ce30
SHA5121ec9b5b9009d6c6d351c0b8c063cf0d75ac940e7e6e249c26c85607503c6b9de202400c1c35c09243175f778cd5ca61a38f07449ee7a56fc08bb2d5e6cfe5f0d
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Filesize
7KB
MD540134daeffebda6b552520edd5b516ac
SHA1f1d7dbb744650b23df2d9c03693c59bbd54cfc59
SHA2567632339252c2686ab230ce3a070678594b000159f742d101431fd77c86682680
SHA51224e49b5fbdb4b47cbee2d8b77d40ef70c6196d8e3806bf2acdc338030245eebb118d60c893bc331c665a41da40a36fe243e77a194db64400954e3245ee624907
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Filesize
7KB
MD540134daeffebda6b552520edd5b516ac
SHA1f1d7dbb744650b23df2d9c03693c59bbd54cfc59
SHA2567632339252c2686ab230ce3a070678594b000159f742d101431fd77c86682680
SHA51224e49b5fbdb4b47cbee2d8b77d40ef70c6196d8e3806bf2acdc338030245eebb118d60c893bc331c665a41da40a36fe243e77a194db64400954e3245ee624907
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Filesize
4KB
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Filesize
192KB
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Filesize
192KB
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Filesize
192KB
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Filesize
192KB
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Filesize
192KB
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Filesize
192KB
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Filesize
192KB
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Filesize
256KB
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Filesize
248KB
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Filesize
256KB
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Filesize
72KB
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Filesize
256KB
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Filesize
640KB
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Filesize
40KB
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Filesize
480KB
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Filesize
256KB