Analysis
-
max time kernel
137s -
max time network
139s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
19-10-2021 00:08
Static task
static1
Behavioral task
behavioral1
Sample
761382.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
761382.exe
Resource
win10-en-20210920
General
-
Target
761382.exe
-
Size
599KB
-
MD5
224cf907f188dcb2763b903256eb33df
-
SHA1
a2148df06408e521e22cc468fe9f996fb9640a9b
-
SHA256
3a21dd00809d7b9f054f3a4cdd5b5cd69965e8dcf98c9ec33897da2e211e1115
-
SHA512
daba770fd851acc6e2e4130069b1f3297ad483b6be38d6f6edc385cb98d79ab4e95b0708379c43472d62b89c3bbb54d931104ba5b7925bed7b254d78184d8afe
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.medicare-equipment.com - Port:
587 - Username:
[email protected] - Password:
AllTheBest777
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1504-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1504-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1504-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1504-65-0x000000000043764E-mapping.dmp family_agenttesla behavioral1/memory/1504-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
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
Processes:
761382.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 761382.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 761382.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 761382.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
761382.exedescription pid process target process PID 1516 set thread context of 1504 1516 761382.exe 761382.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
761382.exe761382.exepid process 1516 761382.exe 1516 761382.exe 1504 761382.exe 1504 761382.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
761382.exe761382.exedescription pid process Token: SeDebugPrivilege 1516 761382.exe Token: SeDebugPrivilege 1504 761382.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
761382.exepid process 1504 761382.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
761382.exedescription pid process target process PID 1516 wrote to memory of 1836 1516 761382.exe schtasks.exe PID 1516 wrote to memory of 1836 1516 761382.exe schtasks.exe PID 1516 wrote to memory of 1836 1516 761382.exe schtasks.exe PID 1516 wrote to memory of 1836 1516 761382.exe schtasks.exe PID 1516 wrote to memory of 1504 1516 761382.exe 761382.exe PID 1516 wrote to memory of 1504 1516 761382.exe 761382.exe PID 1516 wrote to memory of 1504 1516 761382.exe 761382.exe PID 1516 wrote to memory of 1504 1516 761382.exe 761382.exe PID 1516 wrote to memory of 1504 1516 761382.exe 761382.exe PID 1516 wrote to memory of 1504 1516 761382.exe 761382.exe PID 1516 wrote to memory of 1504 1516 761382.exe 761382.exe PID 1516 wrote to memory of 1504 1516 761382.exe 761382.exe PID 1516 wrote to memory of 1504 1516 761382.exe 761382.exe -
outlook_office_path 1 IoCs
Processes:
761382.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 761382.exe -
outlook_win_path 1 IoCs
Processes:
761382.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 761382.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\761382.exe"C:\Users\Admin\AppData\Local\Temp\761382.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AagKbKHaPPfENR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEADC.tmp"2⤵
- Creates scheduled task(s)
PID:1836 -
C:\Users\Admin\AppData\Local\Temp\761382.exe"C:\Users\Admin\AppData\Local\Temp\761382.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1504