Analysis
- max time kernel
149s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:33
Static task
static1
Behavioral task
behavioral1
Sample
Bank Details-pdf.iso.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Bank Details-pdf.iso.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target Bank Details-pdf.iso.exe
- Size 441KB
- Sample201109-p5cb5a4156
- SHA256 b8cf49555f75f9f06bdfb76150d4b3e1a01a831a7eac7b644dde084c212a43d2
- MD5 c4d149d5814b83c80e28374eafea724b
- SHA1 a92ef9b7e85fbedfeb6162e33cb220e107e28b23
- SHA512 ad87ea9fb14dce17199200680607f21f6505af681453f56ca82e569e00807029826b424c7935137d2c7488991f49810cda9446064ac1901b9174142542d64283
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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agenttesla
Credentials
-
Protocol
smtp
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Host
mail.logserver.ga
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Port
587
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Username
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Password
work2020
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/4028-0-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral2/memory/4028-1-0x000000000044C75E-mapping.dmp family_agenttesla - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\XPYkw = "C:\\Users\\Admin\\AppData\\Roaming\\XPYkw\\XPYkw.exe" Bank Details-pdf.iso.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4004 set thread context of 4028 4004 Bank Details-pdf.iso.exe 79 - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4004 Bank Details-pdf.iso.exe 4004 Bank Details-pdf.iso.exe 4004 Bank Details-pdf.iso.exe 4004 Bank Details-pdf.iso.exe 4028 Bank Details-pdf.iso.exe 4028 Bank Details-pdf.iso.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4004 Bank Details-pdf.iso.exe Token: SeDebugPrivilege 4028 Bank Details-pdf.iso.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4028 Bank Details-pdf.iso.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4004 wrote to memory of 2792 4004 Bank Details-pdf.iso.exe 77 PID 4004 wrote to memory of 2792 4004 Bank Details-pdf.iso.exe 77 PID 4004 wrote to memory of 2792 4004 Bank Details-pdf.iso.exe 77 PID 4004 wrote to memory of 4068 4004 Bank Details-pdf.iso.exe 78 PID 4004 wrote to memory of 4068 4004 Bank Details-pdf.iso.exe 78 PID 4004 wrote to memory of 4068 4004 Bank Details-pdf.iso.exe 78 PID 4004 wrote to memory of 4028 4004 Bank Details-pdf.iso.exe 79 PID 4004 wrote to memory of 4028 4004 Bank Details-pdf.iso.exe 79 PID 4004 wrote to memory of 4028 4004 Bank Details-pdf.iso.exe 79 PID 4004 wrote to memory of 4028 4004 Bank Details-pdf.iso.exe 79 PID 4004 wrote to memory of 4028 4004 Bank Details-pdf.iso.exe 79 PID 4004 wrote to memory of 4028 4004 Bank Details-pdf.iso.exe 79 PID 4004 wrote to memory of 4028 4004 Bank Details-pdf.iso.exe 79 PID 4004 wrote to memory of 4028 4004 Bank Details-pdf.iso.exe 79 PID 4028 wrote to memory of 3040 4028 Bank Details-pdf.iso.exe 81 PID 4028 wrote to memory of 3040 4028 Bank Details-pdf.iso.exe 81 PID 4028 wrote to memory of 3040 4028 Bank Details-pdf.iso.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\Bank Details-pdf.iso.exe"C:\Users\Admin\AppData\Local\Temp\Bank Details-pdf.iso.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4004 -
C:\Users\Admin\AppData\Local\Temp\Bank Details-pdf.iso.exe"{path}"2⤵PID:2792
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C:\Users\Admin\AppData\Local\Temp\Bank Details-pdf.iso.exe"{path}"2⤵PID:4068
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C:\Users\Admin\AppData\Local\Temp\Bank Details-pdf.iso.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:3040
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