Analysis
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max time kernel
94s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2025 01:11
Static task
static1
Behavioral task
behavioral1
Sample
OC GDL48940.exe
Resource
win7-20240903-en
General
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Target
OC GDL48940.exe
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Size
1.2MB
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MD5
bc4193c8697c930516e7f8a0b455efd4
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SHA1
8c949a64324491d76e0ff216dda5864d4fda874d
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SHA256
5420f805940014cf9e51372725194209e75017aaa65c73673ceab6751784fe1d
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SHA512
90d79ee2ce69c3cafb13bc319abe940267a3f5bb5c096bb16cce8b9a4cdc0e6c7fa2a347ee5b6608589fb9ee8c2c973f596bf520b88df0dd39fbb8088fb952f0
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SSDEEP
24576:IRmJkcoQricOIQxiZY1ia/FyzVpd944CPkjgdlMMpFV:tJZoQrbTFZY1ia/F2/Br8lMMFV
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 12 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2260 set thread context of 3780 2260 OC GDL48940.exe 82 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4904 2260 WerFault.exe 81 -
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 GDL48940.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3780 RegSvcs.exe 3780 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2260 OC GDL48940.exe 2260 OC GDL48940.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3780 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2260 OC GDL48940.exe 2260 OC GDL48940.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 2260 OC GDL48940.exe 2260 OC GDL48940.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2260 wrote to memory of 3780 2260 OC GDL48940.exe 82 PID 2260 wrote to memory of 3780 2260 OC GDL48940.exe 82 PID 2260 wrote to memory of 3780 2260 OC GDL48940.exe 82 PID 2260 wrote to memory of 3780 2260 OC GDL48940.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\OC GDL48940.exe"C:\Users\Admin\AppData\Local\Temp\OC GDL48940.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:2260 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\OC GDL48940.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3780
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 7242⤵
- Program crash
PID:4904
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2260 -ip 22601⤵PID:3576