Analysis
- max time kernel
131s - max time network
122s - platform
windows10_x64 - resource
win10 - submitted
13/07/2020, 11:27
Static task
static1
Behavioral task
behavioral1
Sample
Order10049274pdf.exe
Resource
win7
Behavioral task
behavioral2
Sample
Order10049274pdf.exe
Resource
win10
General
- Target Order10049274pdf.exe
- Size 328KB
- Sample200713-v8g2meacjs
- SHA256 85d34a30b3163b6db32ec267c22e5fd5cbfab30533aa4a829f9d79ca55e779d2
- MD5 c71732b7a6d89bac55bf2f525c6a3a2f
- SHA1 8d5b4f6a236b84075f987a01e470350837c35d1c
- SHA512 eb89ebbc51bcceac01edfe399916385abfa7db20bfcd23f6bad0b915a1e3822df3f70b97661b6f92bd1b6eb7f4d4112422ad71a5026c14e2eba80a81a94e6686
- MD5 SHA1 SHA512
Malware Config
Extracted
-
Protocol
smtp
-
Host
webmail.saritatravels.com
-
Port
587
-
Username
-
Password
sameerb%$321
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
webmail.saritatravels.com
-
Port
587
-
Username
-
Password
sameerb%$321
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/1548-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral2/memory/1548-3-0x0000000000446EFE-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.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 364 set thread context of 1548 364 Order10049274pdf.exe 76 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1232 schtasks.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 364 Order10049274pdf.exe 1548 Order10049274pdf.exe 1548 Order10049274pdf.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 364 Order10049274pdf.exe Token: SeDebugPrivilege 1548 Order10049274pdf.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1548 Order10049274pdf.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 364 wrote to memory of 1232 364 Order10049274pdf.exe 74 PID 364 wrote to memory of 1232 364 Order10049274pdf.exe 74 PID 364 wrote to memory of 1232 364 Order10049274pdf.exe 74 PID 364 wrote to memory of 1548 364 Order10049274pdf.exe 76 PID 364 wrote to memory of 1548 364 Order10049274pdf.exe 76 PID 364 wrote to memory of 1548 364 Order10049274pdf.exe 76 PID 364 wrote to memory of 1548 364 Order10049274pdf.exe 76 PID 364 wrote to memory of 1548 364 Order10049274pdf.exe 76 PID 364 wrote to memory of 1548 364 Order10049274pdf.exe 76 PID 364 wrote to memory of 1548 364 Order10049274pdf.exe 76 PID 364 wrote to memory of 1548 364 Order10049274pdf.exe 76
Processes
-
C:\Users\Admin\AppData\Local\Temp\Order10049274pdf.exe"C:\Users\Admin\AppData\Local\Temp\Order10049274pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:364 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LIVtvxl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D01.tmp"2⤵
- Creates scheduled task(s)
PID:1232
-
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C:\Users\Admin\AppData\Local\Temp\Order10049274pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1548
-
-
C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exeC:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe1⤵PID:1008