Analysis
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max time kernel
100s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
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submitted
06-01-2023 14:04
General
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Target
37f7e291d50b3b9dbd5a0a173fd3602b1ef0c7dde64f9281e7f36b5f05c18225.exe
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Size
794KB
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MD5
ca74a1ce5e76b107e979d3f6dad49c5c
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SHA1
109ccc6503a81ece0eca4343e9b3ca958e8cb6d4
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SHA256
37f7e291d50b3b9dbd5a0a173fd3602b1ef0c7dde64f9281e7f36b5f05c18225
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SHA512
a22fb3277975a00fa0828cea5e42e5ea4b521f6349c3757f9895740eb91e22026b209391577859f44f3a639f86cfde440300e83b48e6dc544a4056bf7c7788b1
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SSDEEP
24576:FC1rGnxqcJnls2kz5tH483RErxhhuulZw:g5Elsj5tHT3RE9ii
Malware Config
Extracted
Protocol: smtp- Host:
server240.web-hosting.com - Port:
587 - Username:
[email protected] - Password:
Success4sure2day10@
Extracted
agenttesla
Protocol: smtp- Host:
server240.web-hosting.com - Port:
587 - Username:
[email protected] - Password:
Success4sure2day10@ - 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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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Looks for VMWare Tools registry key 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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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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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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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 29 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 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\37f7e291d50b3b9dbd5a0a173fd3602b1ef0c7dde64f9281e7f36b5f05c18225.exe"C:\Users\Admin\AppData\Local\Temp\37f7e291d50b3b9dbd5a0a173fd3602b1ef0c7dde64f9281e7f36b5f05c18225.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- 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\Roaming\jCLZhq.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\jCLZhq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA9AD.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\37f7e291d50b3b9dbd5a0a173fd3602b1ef0c7dde64f9281e7f36b5f05c18225.exe"C:\Users\Admin\AppData\Local\Temp\37f7e291d50b3b9dbd5a0a173fd3602b1ef0c7dde64f9281e7f36b5f05c18225.exe"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
MD5e08f822522c617a40840c62e4b0fb45e
SHA1ae516dca4da5234be6676d3f234c19ec55725be7
SHA256bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
SHA512894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4
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Filesize
1KB
MD51d45f678452672f9ceafbcab5f042bf6
SHA1f569c52c18f15ab8295fa7ae745303f94c78d821
SHA256286d48667b6ded580da52d03c5c81ab66585aa76d681bcbe0d4809cdf44713fc
SHA512ae01a3da23bca55db39cd2f87e424b96377d154de226b39eeaa96cea5e1801ccb5f595c73210aa222801da78ceba547d7d5c7ce3cb9b05b53a8471aa6fb50174
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Filesize
104KB
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Filesize
32KB
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Filesize
408KB
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Filesize
120KB
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Filesize
136KB
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Filesize
216KB
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Filesize
304KB
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Filesize
6.2MB
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Filesize
104KB
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Filesize
56KB
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Filesize
600KB
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Filesize
40KB
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Filesize
6.5MB
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Filesize
120KB
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Filesize
200KB
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Filesize
624KB
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Filesize
408KB
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Filesize
40KB
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Filesize
824KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
320KB
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Filesize
240KB
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