Analysis
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max time kernel
97s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-01-2025 01:03
Static task
static1
Behavioral task
behavioral1
Sample
Bank Confirmation.exe
Resource
win7-20240729-en
General
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Target
Bank Confirmation.exe
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Size
1.3MB
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MD5
bc7eec0250c3a7f1a37666faf6e700ee
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SHA1
1bbb105ab39e7064fe401bd0a343b7875733c9c3
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SHA256
83881078433d2f3b45693e6296ed7b274c7593d7cbad3da191c6dac3aa9a3e52
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SHA512
21a3ae35f65cfd5c9e59c5b44693d280f4814bdc5b6074ad86149cd053d033695dcf88d855adb541db08822e8936afea8dfc7fc9f4b800298b0f39d4c842c177
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SSDEEP
24576:JTZeu+P7oCP+cMKvm6pUfTAv7iWNfcVbMWrszcX+Pv3Mw1qR:5+TfqqIAjJNEVb7ybPv3MR
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
webmaster - 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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Agenttesla family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 220 created 3440 220 Bank Confirmation.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Message.vbs Bank Confirmation.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 220 set thread context of 3272 220 Bank Confirmation.exe 84 -
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 Bank Confirmation.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 220 Bank Confirmation.exe 220 Bank Confirmation.exe 220 Bank Confirmation.exe 3272 InstallUtil.exe 3272 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 220 Bank Confirmation.exe Token: SeDebugPrivilege 220 Bank Confirmation.exe Token: SeDebugPrivilege 3272 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 220 wrote to memory of 3272 220 Bank Confirmation.exe 84 PID 220 wrote to memory of 3272 220 Bank Confirmation.exe 84 PID 220 wrote to memory of 3272 220 Bank Confirmation.exe 84 PID 220 wrote to memory of 3272 220 Bank Confirmation.exe 84 PID 220 wrote to memory of 3272 220 Bank Confirmation.exe 84 PID 220 wrote to memory of 3272 220 Bank Confirmation.exe 84 PID 220 wrote to memory of 3272 220 Bank Confirmation.exe 84 PID 220 wrote to memory of 3272 220 Bank Confirmation.exe 84
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3440
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C:\Users\Admin\AppData\Local\Temp\Bank Confirmation.exe"C:\Users\Admin\AppData\Local\Temp\Bank Confirmation.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3272
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