Analysis
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max time kernel
139s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
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submitted
26-11-2022 14:31
General
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Target
SecuriteInfo.com.MSIL.GenKryptik.FYGA.tr.13096.exe
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Size
985KB
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MD5
7c997b40e724596134150d838380d8fc
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SHA1
4f352918c60a77f25b74d3bb48df397e7ad54a66
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SHA256
79fe46d2be00c4f28ed865d1fec837d8d34d16fdaf74b901d05018dc03e67686
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SHA512
dce5e073f67d554b4265dfa143074b1dc2887d3629d1800ce329871d593b709eb85f9a596097af3f8dd1f52ffdbecd15a86666ee8d8adc7654854c386a842a80
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SSDEEP
24576:1+gG7tqzU376CskFg/IyXt9hLJYdNmpmIkrgD968WlG6ZPnEmd+Qu:E7hekoXQmpmIkrgD96lTNnH8Qu
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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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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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 8 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 17 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.MSIL.GenKryptik.FYGA.tr.13096.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.GenKryptik.FYGA.tr.13096.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\gDqcOkt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp444C.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.GenKryptik.FYGA.tr.13096.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.GenKryptik.FYGA.tr.13096.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.GenKryptik.FYGA.tr.13096.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
MD57ef67a0a2b1e31df887adcdaf86e4bbd
SHA1348aad52be33f1a0c477e2ace332ecf91bb0e1a8
SHA256af207d70281cc3264107da297e00ab97d0af2f055d6065ca5936cf69db6d783f
SHA5124ffab7944ec049f2597bda791de5fd3ae3578b03ef019d2222850b8f5a298e3aae8b6e33f71c38e47132d63fb58ab1b03c876b9a01665bc8bbcf01466e7d79e1
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Filesize
1KB
MD5ffdca44cbc59345cdb997bb88a5c69d1
SHA100beb7409082307737df9f40cffd73d6bc018afe
SHA25654293cdbc3a25bd3aef35c6cb19c783a6c938692bcca98dcce8d34e856884a8c
SHA512212142ac9269ec0b88f9f13e372f92ebe1167365625f1d84d5c0c9a6ac9147714552d5290116925cc86fb63887cedd3ece506312797845940c5638f3f626056b
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Filesize
240KB
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Filesize
408KB
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Filesize
320KB
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Filesize
40KB
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Filesize
624KB
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Filesize
584KB
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Filesize
1008KB
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Filesize
5.6MB