Analysis
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max time kernel
101s -
max time network
72s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
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submitted
04-12-2022 11:23
General
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Target
PO IST-PO-2022-224.exe
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Size
681KB
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MD5
8b1515b8a1383499a1a50a048d6c8a5b
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SHA1
f167154cbd6d504463fe11f89d1f49bacb77db05
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SHA256
98e2349140954dcc6a9cf4cf4007adcbb10687fe04cdbfa88235523168b0ebc0
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SHA512
e8043a1074175c3312fee5f71dfc898e9d618dba6b022dbe25bc1c5c440b7fc42c088248e52ace7330b013351b0100d7519a2c125c9ea127adce04abeacd7701
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SSDEEP
12288:jkuiAafRnDJNwmENIG5wvgclycQlYRO+zHXIYKlSwx7IkNJfp/sVfdcLl:IucfRnsPNIJZGyO+z4Qw+m0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.strictfacilityservices.com - Port:
587 - Username:
[email protected] - Password:
SFS!@#321 - 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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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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 13 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\PO IST-PO-2022-224.exe"C:\Users\Admin\AppData\Local\Temp\PO IST-PO-2022-224.exe"1⤵
- 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\pLhfIpEhSpGJOq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp30E.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\PO IST-PO-2022-224.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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
MD51be01d355353c5bc436fa1757738d714
SHA10c0c270f296b545b6aaa25bcf3c89103f9b66e25
SHA2566815cdf4b191dda60f6c2ed711ca7f69a9bbdff1e505d4c47da492d94cba476d
SHA51273a96d9564c859cd9ce28ad56ec42cdb5da35c00db464bf82240a5d3d83b3d733ef1f85f595753df2650ba42de6a4a58d070c2bdeadf690b61b831cde9003464
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Filesize
512KB
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Filesize
704KB
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Filesize
240KB
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Filesize
72KB
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Filesize
8KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB