Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
09/08/2024, 07:56
Static task
static1
Behavioral task
behavioral1
Sample
DOCUMENTS AWB 72944348673.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
DOCUMENTS AWB 72944348673.exe
Resource
win10v2004-20240802-en
General
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Target
DOCUMENTS AWB 72944348673.exe
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Size
255KB
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MD5
4c1a99eda6c67c2ec6ddbfeb166bb581
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SHA1
a79b4f3fa29da6cefd34475b3a2bdb6d715fa600
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SHA256
750821c931e05dd447353b3351efe66922397a040c363cbfa7c19a8f94ebf411
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SHA512
9bcc918f741f08b976d87dceff572f97836c672ab7ba0916798a298fb607255ff63601b12e349fed2406c2b1d106203e59f6d2d2e856baff58a4a92c50aff7db
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SSDEEP
6144:8wkNp5zosmcpI5orAY8V9toiSbOF+MCUPrxAZBV6KshGjld:8wk750s1C68RoiSKTnr+Myv
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.ultraflex.com.mx - Port:
21 - Username:
[email protected] - Password:
Jgj8-p4Z]a1b
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2136 set thread context of 1256 2136 DOCUMENTS AWB 72944348673.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 Caspol.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1256 Caspol.exe 1256 Caspol.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1256 Caspol.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2136 wrote to memory of 1256 2136 DOCUMENTS AWB 72944348673.exe 30 PID 2136 wrote to memory of 1256 2136 DOCUMENTS AWB 72944348673.exe 30 PID 2136 wrote to memory of 1256 2136 DOCUMENTS AWB 72944348673.exe 30 PID 2136 wrote to memory of 1256 2136 DOCUMENTS AWB 72944348673.exe 30 PID 2136 wrote to memory of 1256 2136 DOCUMENTS AWB 72944348673.exe 30 PID 2136 wrote to memory of 1256 2136 DOCUMENTS AWB 72944348673.exe 30 PID 2136 wrote to memory of 1256 2136 DOCUMENTS AWB 72944348673.exe 30 PID 2136 wrote to memory of 1256 2136 DOCUMENTS AWB 72944348673.exe 30 PID 2136 wrote to memory of 1256 2136 DOCUMENTS AWB 72944348673.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\DOCUMENTS AWB 72944348673.exe"C:\Users\Admin\AppData\Local\Temp\DOCUMENTS AWB 72944348673.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1256
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