Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7 -
submitted
16-07-2020 13:26
Static task
static1
Behavioral task
behavioral1
Sample
bensway.exe
Resource
win7
Behavioral task
behavioral2
Sample
bensway.exe
Resource
win10v200430
General
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Target
bensway.exe
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Size
514KB
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MD5
5d9719175e0d6962872c124a994e5ee1
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SHA1
98c0f01798e360dfbeb1b79f489ab504202911f6
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SHA256
aa7cf195c540803383a53aef054355871842e7ff152e96e4a838d07d3bbc6de1
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SHA512
d2d54a238d3e97979740dfd522434b234d8730f7c1688a6b47c207cee04de14fabe25772ea2ae17e4bc5b24d8c9ae98e6832740a40455b5ee4b7947bfd6e3eaa
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.ariahotel.md - Port:
587 - Username:
[email protected] - Password:
ariahotel9997
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/736-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/736-3-0x0000000000447EEE-mapping.dmp family_agenttesla behavioral1/memory/736-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/736-5-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\DZqzte = "C:\\Users\\Admin\\AppData\\Roaming\\DZqzte\\DZqzte.exe" bensway.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1496 set thread context of 736 1496 bensway.exe 24 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 736 bensway.exe 736 bensway.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 736 bensway.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 736 bensway.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1496 wrote to memory of 736 1496 bensway.exe 24 PID 1496 wrote to memory of 736 1496 bensway.exe 24 PID 1496 wrote to memory of 736 1496 bensway.exe 24 PID 1496 wrote to memory of 736 1496 bensway.exe 24 PID 1496 wrote to memory of 736 1496 bensway.exe 24 PID 1496 wrote to memory of 736 1496 bensway.exe 24 PID 1496 wrote to memory of 736 1496 bensway.exe 24 PID 1496 wrote to memory of 736 1496 bensway.exe 24 PID 1496 wrote to memory of 736 1496 bensway.exe 24
Processes
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C:\Users\Admin\AppData\Local\Temp\bensway.exe"C:\Users\Admin\AppData\Local\Temp\bensway.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Users\Admin\AppData\Local\Temp\bensway.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:736
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