Analysis
- max time kernel
147s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:44
Static task
static1
Behavioral task
behavioral1
Sample
scan_745645645785.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
scan_745645645785.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target scan_745645645785.exe
- Size 1.5MB
- Sample201109-e36ztp2sh6
- SHA256 6ffbc5e613bd85ee01545c7614ea40edac2fe510b67cc834db2f377e38e47482
- MD5 a774e2ac25ce2f4211ba34a67d329387
- SHA1 9014b5c62c04ddc96352de08d0a94f3f6b4371e5
- SHA512 43ca15cb4a919b6a1064fb698fbf6df474f550af113f95d7219cfa8c9b3eb2fab8f534e291dfd538e49ffcfd671a7cdf03e3f17f23be3aea2cba90dd908f8e5f
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
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Username
-
Password
fresh826699
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/644-1-0x000000000044C6CE-mapping.dmp family_agenttesla behavioral2/memory/644-0-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla - Drops startup file 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rasphone.url scan_745645645785.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe" MSBuild.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 996 set thread context of 644 996 scan_745645645785.exe 76 - Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 644 MSBuild.exe 644 MSBuild.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 644 MSBuild.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 996 scan_745645645785.exe 996 scan_745645645785.exe 996 scan_745645645785.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 644 MSBuild.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 996 wrote to memory of 644 996 scan_745645645785.exe 76 PID 996 wrote to memory of 644 996 scan_745645645785.exe 76 PID 996 wrote to memory of 644 996 scan_745645645785.exe 76 PID 996 wrote to memory of 644 996 scan_745645645785.exe 76 PID 996 wrote to memory of 644 996 scan_745645645785.exe 76 PID 644 wrote to memory of 1176 644 MSBuild.exe 81 PID 644 wrote to memory of 1176 644 MSBuild.exe 81 PID 644 wrote to memory of 1176 644 MSBuild.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\scan_745645645785.exe"C:\Users\Admin\AppData\Local\Temp\scan_745645645785.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:996 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:644 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1176
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