Analysis
-
max time kernel
123s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231201-en -
resource tags
-
submitted
05-12-2023 16:39
General
-
Target
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe
-
Size
550KB
-
MD5
b86889a778d341f384651c5950f65a47
-
SHA1
3953603b47411e8c0b3c3906fdfad2dca66aad6b
-
SHA256
6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40
-
SHA512
4e044a5db64940a21825a597e3c45090f06e8e54b1dfcdd2d6e68054c2d1ea4caa6b14d7f99dfef0431e81ed5f587275a21ed54ac0c2b8dcbc84f9daf3fefacb
-
SSDEEP
6144:jcqPlAc2jHc2j5c2pe0xVO7JpyTaeDLzjFVKIhzcwOBflXEY+2kx+YRtWel2H+j:jcqd+xVO7Jw3FV5zoflXEY+F7D4XXE
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.darnfoss.com - Port:
587 - Username:
[email protected] - Password:
QhMzMMh0
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla payload 7 IoCs
-
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
-
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
-
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
-
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
-
Suspicious use of SetThreadContext 1 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 3 IoCs
-
Suspicious use of AdjustPrivilegeToken 2 IoCs
-
Suspicious use of WriteProcessMemory 13 IoCs
-
outlook_office_path 1 IoCs
-
outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
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\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"C:\Users\Admin\AppData\Local\Temp\6e3da30b226495f4500bf25723258d452e35cea413cb18fa4ac692cd15f0ed40.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
6.9MB
-
Filesize
576KB
-
Filesize
256KB
-
Filesize
80KB
-
Filesize
6.9MB
-
Filesize
256KB
-
Filesize
448KB
-
Filesize
6.9MB
-
Filesize
256KB
-
Filesize
5.7MB
-
Filesize
5.7MB
-
Filesize
256KB
-
Filesize
256KB
-
Filesize
5.7MB
-
Filesize
240KB
-
Filesize
240KB
-
Filesize
240KB
-
Filesize
240KB
-
Filesize
4KB
-
Filesize
240KB
-
Filesize
240KB
-
Filesize
6.9MB
-
Filesize
256KB
-
Filesize
240KB
-
Filesize
6.9MB