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Analysis
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max time kernel
122s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
25/11/2024, 01:14
General
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Target
56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe
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Size
537KB
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MD5
41c493db90654f1023942e02a66ffd40
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SHA1
d862de6446a813a842cf62a7b520832504776bea
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SHA256
56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498
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SHA512
c3d2f2b026dce55c12efd0be35906b6db4da48b75a996c4e2c6734524cbfc7ba960ce43285e959140e7f4d0d99823be2406f4878671188d6e44d9c2c9a7121e3
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SSDEEP
12288:MIc/zMh+Lv+Jiw/Ij2pEL+I3BwBICN2HhhY:Mj/oh+D+0we2pELFuZNAhhY
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
webmail.karanex.com - Port:
587 - Username:
[email protected] - Password:
Oi&-tmhj@d5v
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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AgentTesla payload 1 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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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 WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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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).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Scheduled Task/Job: Scheduled Task 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 behavior: RenamesItself 1 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\56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe"C:\Users\Admin\AppData\Local\Temp\56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.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
- System Location Discovery: System Language Discovery
- 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\56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sbpgrrZobTQq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp34F6.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe"C:\Users\Admin\AppData\Local\Temp\56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
68KB
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Filesize
104KB
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Filesize
104KB
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Filesize
80KB
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Filesize
56KB
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Filesize
304KB
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Filesize
600KB
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Filesize
7.7MB
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Filesize
216KB
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Filesize
6.5MB
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Filesize
32KB
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Filesize
652KB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
6.2MB
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Filesize
136KB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
120KB
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Filesize
304KB
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Filesize
3.3MB
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Filesize
200KB
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Filesize
120KB
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Filesize
384KB
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Filesize
56KB
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Filesize
560KB
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Filesize
5.6MB
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Filesize
408KB
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Filesize
4KB
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Filesize
624KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
240KB
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Filesize
7.7MB
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Filesize
96KB
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Filesize
7.7MB
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Filesize
320KB