Analysis
-
max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
27-04-2024 01:36
Static task
static1
Behavioral task
behavioral1
Sample
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe
Resource
win10v2004-20240419-en
General
-
Target
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe
-
Size
660KB
-
MD5
860f88b68917d3a5f57297cc22a12129
-
SHA1
fb3315bb96fe758eb648cc31cd938e80f73afe49
-
SHA256
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87
-
SHA512
9d8b62094c0d594009fabe5bfba60e68b16ebf13bda69cf96136054eb17dbd527cc6f11c61e4a8e061f42b60be78d143adc243e38c8dc9f1c9e01324b7c197cf
-
SSDEEP
12288:/UF9WMwo8A2HtW8PI4sCBOOuKT+Cv8mU/eM2TCd8xD4/oNIJlDTrS3v/4:/U2MD8dHjI4tBOOuk+oA/eL+S3Ale3vw
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.payasystem.ir - Port:
587 - Username:
[email protected] - Password:
]R@u+#!J}3lX - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
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.
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.exe" a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exedescription pid process target process PID 836 set thread context of 2804 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exea990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exepowershell.exepid process 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe 2804 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe 2804 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe 2644 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exea990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exepowershell.exedescription pid process Token: SeDebugPrivilege 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe Token: SeDebugPrivilege 2804 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe Token: SeDebugPrivilege 2644 powershell.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exedescription pid process target process PID 836 wrote to memory of 2644 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe powershell.exe PID 836 wrote to memory of 2644 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe powershell.exe PID 836 wrote to memory of 2644 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe powershell.exe PID 836 wrote to memory of 2644 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe powershell.exe PID 836 wrote to memory of 2804 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe PID 836 wrote to memory of 2804 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe PID 836 wrote to memory of 2804 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe PID 836 wrote to memory of 2804 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe PID 836 wrote to memory of 2804 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe PID 836 wrote to memory of 2804 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe PID 836 wrote to memory of 2804 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe PID 836 wrote to memory of 2804 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe PID 836 wrote to memory of 2804 836 a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe"C:\Users\Admin\AppData\Local\Temp\a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:836 -
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\a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2644 -
C:\Users\Admin\AppData\Local\Temp\a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe"C:\Users\Admin\AppData\Local\Temp\a990796f65eb709905c0f6499e3b3e64220c5bb9792db744d9c22bddbb603e87.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2804