Overview
overview
10Static
static
5OC 129075-...D).zip
windows7-x64
1OC 129075-...D).zip
windows10-2004-x64
1fd9916fc84...d9.eml
windows7-x64
5fd9916fc84...d9.eml
windows10-2004-x64
3OC 129075-JG-3229.rar
windows7-x64
10OC 129075-JG-3229.rar
windows10-2004-x64
1OC 129075-JG-3229.exe
windows7-x64
10OC 129075-JG-3229.exe
windows10-2004-x64
10Analysis
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max time kernel
139s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
28/03/2025, 20:32
Static task
static1
Behavioral task
behavioral1
Sample
OC 129075-JG-3229-password(Af9X1p8D).zip
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
OC 129075-JG-3229-password(Af9X1p8D).zip
Resource
win10v2004-20250314-en
Behavioral task
behavioral3
Sample
fd9916fc84093309bed7643c13a15d64e03b2b5a0afdf384ba68cf7fe3e35cd9.eml
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
fd9916fc84093309bed7643c13a15d64e03b2b5a0afdf384ba68cf7fe3e35cd9.eml
Resource
win10v2004-20250314-en
Behavioral task
behavioral5
Sample
OC 129075-JG-3229.rar
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
OC 129075-JG-3229.rar
Resource
win10v2004-20250314-en
Behavioral task
behavioral7
Sample
OC 129075-JG-3229.exe
Resource
win7-20240903-en
General
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Target
OC 129075-JG-3229.exe
-
Size
1.0MB
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MD5
ca05eaa8df0531cb2f76d5a2baa5aaea
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SHA1
688adb6f0a0ab7f13d47d0c16326221e20fa7b10
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SHA256
66d7d602350b27bd25ca73436b6b7598c65e5022cc8062eb5c87dc604ab97952
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SHA512
3e59f0eefd60ac5783ab291e89484532f5bf6ab105f83a4f34099815b26375097cf984050f9b00e2c90631cb07b600aa18cba3b93f24b1f4e2d6447a1e7cfdf0
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SSDEEP
24576:3u6J33O0c+JY5UZ+XC0kGso6Fai9OXAa38dIApWY:Ru0c++OCvkGs9FaizxIJY
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.stingatoareincendii.ro - Port:
21 - Username:
[email protected] - Password:
3.*RYhlG)lkA
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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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 23 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5504 set thread context of 512 5504 OC 129075-JG-3229.exe 90 -
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 OC 129075-JG-3229.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 512 RegSvcs.exe 512 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5504 OC 129075-JG-3229.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 512 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5504 OC 129075-JG-3229.exe 5504 OC 129075-JG-3229.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 5504 OC 129075-JG-3229.exe 5504 OC 129075-JG-3229.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5504 wrote to memory of 512 5504 OC 129075-JG-3229.exe 90 PID 5504 wrote to memory of 512 5504 OC 129075-JG-3229.exe 90 PID 5504 wrote to memory of 512 5504 OC 129075-JG-3229.exe 90 PID 5504 wrote to memory of 512 5504 OC 129075-JG-3229.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\OC 129075-JG-3229.exe"C:\Users\Admin\AppData\Local\Temp\OC 129075-JG-3229.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5504 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\OC 129075-JG-3229.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:512
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