Analysis
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max time kernel
125s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07-10-2024 08:13
Static task
static1
Behavioral task
behavioral1
Sample
RFQ 002593810024350.bat.exe
Resource
win7-20240903-en
General
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Target
RFQ 002593810024350.bat.exe
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Size
77.0MB
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MD5
56b26dafc409e4a26b3cdff29655c634
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SHA1
28218cdb90ed415758fa8432d85344f373f62665
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SHA256
5a0a36413c389c4a1dd98ba0544e39b456b082825bb21245f84c0beefef74ccc
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SHA512
6cec01314d39458c23859a85dbb51ea3f6b7c7dbb1a931a89f3a0112b31550700e8c1ec9f37a269cfa37814830d50d36d7d6070398f9605398b2ee5e39076229
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SSDEEP
24576:ffmMv6Ckr7Mny5QLTRiUecmRoNOlwOjcFD:f3v+7/5QLTR3DOlw28
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
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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 21 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2244 set thread context of 3188 2244 RFQ 002593810024350.bat.exe 89 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 RFQ 002593810024350.bat.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3188 RegSvcs.exe 3188 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2244 RFQ 002593810024350.bat.exe 2244 RFQ 002593810024350.bat.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3188 RegSvcs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2244 wrote to memory of 3188 2244 RFQ 002593810024350.bat.exe 89 PID 2244 wrote to memory of 3188 2244 RFQ 002593810024350.bat.exe 89 PID 2244 wrote to memory of 3188 2244 RFQ 002593810024350.bat.exe 89 PID 2244 wrote to memory of 3188 2244 RFQ 002593810024350.bat.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ 002593810024350.bat.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 002593810024350.bat.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 002593810024350.bat.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3188
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4548,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=3692 /prefetch:81⤵PID:1740