Analysis
-
max time kernel
151s -
max time network
277s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-01-2025 16:26
Static task
static1
Behavioral task
behavioral1
Sample
invnoIL438805.exe
Resource
win7-20241010-en
General
-
Target
invnoIL438805.exe
-
Size
1.3MB
-
MD5
253aa736dcd90caa801ba4aad9f0b7ce
-
SHA1
2545298c281e583269f7b24d2c20b9f176056fda
-
SHA256
3b593da5f678af89946aebb762ab465c627a4dea6942b1a134a22536fb9ec7b6
-
SHA512
204c654b51ac3f6e921648c755e8e20b7eb26066d0ff012d4fb9d974cfcaa0e2380c2aa8785ac578c88d41bee9780d77fe19b36a388ec9ad591702137f4386f4
-
SSDEEP
24576:uJc06N6kTdOUmt9HbygoY8VB5Lc4DYWktF1pGlwgUd0z+A:umoBl7oY8zVc4sWC1wl/UdvA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
webmaster - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Agenttesla family
-
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4912 created 3592 4912 invnoIL438805.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MemberType.vbs invnoIL438805.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 api.ipify.org 16 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4912 set thread context of 4816 4912 invnoIL438805.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language invnoIL438805.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4912 invnoIL438805.exe 4912 invnoIL438805.exe 4912 invnoIL438805.exe 4816 InstallUtil.exe 4816 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4912 invnoIL438805.exe Token: SeDebugPrivilege 4912 invnoIL438805.exe Token: SeDebugPrivilege 4816 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4912 wrote to memory of 4816 4912 invnoIL438805.exe 83 PID 4912 wrote to memory of 4816 4912 invnoIL438805.exe 83 PID 4912 wrote to memory of 4816 4912 invnoIL438805.exe 83 PID 4912 wrote to memory of 4816 4912 invnoIL438805.exe 83 PID 4912 wrote to memory of 4816 4912 invnoIL438805.exe 83 PID 4912 wrote to memory of 4816 4912 invnoIL438805.exe 83 PID 4912 wrote to memory of 4816 4912 invnoIL438805.exe 83 PID 4912 wrote to memory of 4816 4912 invnoIL438805.exe 83
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3592
-
C:\Users\Admin\AppData\Local\Temp\invnoIL438805.exe"C:\Users\Admin\AppData\Local\Temp\invnoIL438805.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4912
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4816
-