Analysis
- max time kernel
93s - max time network
209s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
18/09/2024, 01:01
Behavioral task
behavioral1
Sample
cotización.PDF_98776456879808756846576879806765687976457687986764.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cotización.PDF_98776456879808756846576879806765687976457687986764.exe
Resource
win10v2004-20240802-en
General
- Target cotización.PDF_98776456879808756846576879806765687976457687986764.exe
- Size 88.0MB
- Sample240918-bdlyxstgrh
- SHA256 001b21318e75c49c1b0e415008530611da89163328b29d65ade1f7edde25328d
- MD5 e4a8ce0f507c8ba1023007a3fcfdef7e
- SHA1 ae93d87dc7532f2c330e2ab7d39a39f131dd959b
- SHA512 97370fc754fb67fa95042e706894a4e36fe7f5337aff32490506e7f7738050c6dc2bec68561a1228312bf99985aeb330701b440a57e169416c1a690cd61220fa
- SSDEEP 12288:v6Wq4aaE6KwyF5L0Y2D1PqLuKjL6vV34jxMQzpWlXeXpddOgLWHlqd48EJGpZpGe:tthEVaPqLnLoVqxsuX9uqd4nG/pG3
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.fosna.net
-
Port
21
-
Username
-
Password
=A+N^@~c]~#I
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
-
resource yara_rule behavioral2/memory/2636-0-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/2636-6-0x0000000000400000-0x00000000004C2000-memory.dmp upx - 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 15 ip-api.com - AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/2636-6-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2636 set thread context of 1504 2636 cotización.PDF_98776456879808756846576879806765687976457687986764.exe 82 - 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 cotización.PDF_98776456879808756846576879806765687976457687986764.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1504 RegSvcs.exe 1504 RegSvcs.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2636 cotización.PDF_98776456879808756846576879806765687976457687986764.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1504 RegSvcs.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2636 wrote to memory of 1504 2636 cotización.PDF_98776456879808756846576879806765687976457687986764.exe 82 PID 2636 wrote to memory of 1504 2636 cotización.PDF_98776456879808756846576879806765687976457687986764.exe 82 PID 2636 wrote to memory of 1504 2636 cotización.PDF_98776456879808756846576879806765687976457687986764.exe 82 PID 2636 wrote to memory of 1504 2636 cotización.PDF_98776456879808756846576879806765687976457687986764.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\cotización.PDF_98776456879808756846576879806765687976457687986764.exe"C:\Users\Admin\AppData\Local\Temp\cotización.PDF_98776456879808756846576879806765687976457687986764.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\cotización.PDF_98776456879808756846576879806765687976457687986764.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1504
-