Analysis
-
max time kernel
92s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-10-2024 01:33
Static task
static1
Behavioral task
behavioral1
Sample
Facturas de pago 036002,538014,742901.exe
Resource
win7-20240729-en
General
-
Target
Facturas de pago 036002,538014,742901.exe
-
Size
77.0MB
-
MD5
7f0b6fa70863e1f2f3744e4e50317aa9
-
SHA1
a99732d82fcfdfd079c48173d1b1953fcd97c017
-
SHA256
378270472210ac2aa5b8cb1ee82f88bd4923bf829916af8a2c450774246e982a
-
SHA512
cc319bade2e395d4db08d763abc022c75b0f4abb88f2fba0f040370528bbfae081d94bebd5571b7a2b9bfa02f89979c9e8d09cf184c2372eb737209f818c163b
-
SSDEEP
24576:ffmMv6Ckr7Mny5QLNS76h/9LBzCV+Jcz8EWdYAaH8:f3v+7/5QLNm6xmV+Cz8Fo
Malware Config
Extracted
Protocol: smtp- Host:
mail.flujoauditorias.cl - Port:
587 - Username:
[email protected] - Password:
l;0jGu7J;z_a
Extracted
agenttesla
Protocol: smtp- Host:
mail.flujoauditorias.cl - Port:
587 - Username:
[email protected] - Password:
l;0jGu7J;z_a - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 18 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3776 set thread context of 1892 3776 Facturas de pago 036002,538014,742901.exe 88 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 Facturas de pago 036002,538014,742901.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1892 RegSvcs.exe 1892 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3776 Facturas de pago 036002,538014,742901.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1892 RegSvcs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3776 wrote to memory of 1892 3776 Facturas de pago 036002,538014,742901.exe 88 PID 3776 wrote to memory of 1892 3776 Facturas de pago 036002,538014,742901.exe 88 PID 3776 wrote to memory of 1892 3776 Facturas de pago 036002,538014,742901.exe 88 PID 3776 wrote to memory of 1892 3776 Facturas de pago 036002,538014,742901.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\Facturas de pago 036002,538014,742901.exe"C:\Users\Admin\AppData\Local\Temp\Facturas de pago 036002,538014,742901.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3776 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Facturas de pago 036002,538014,742901.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1892
-