Analysis
- max time kernel
148s - max time network
65s - platform
windows7_x64 - resource
win7v20201028 - 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
-
agenttesla
Credentials
-
Protocol
smtp
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Host
smtp.yandex.com
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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 3 IoCs
resource yara_rule behavioral1/memory/1792-0-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1792-1-0x000000000044C6CE-mapping.dmp family_agenttesla behavioral1/memory/1792-2-0x0000000000400000-0x0000000000452000-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-1-5-21-3825035466-2522850611-591511364-1000\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 1068 set thread context of 1792 1068 scan_745645645785.exe 29 - Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1792 MSBuild.exe 1792 MSBuild.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1792 MSBuild.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 1068 scan_745645645785.exe 1068 scan_745645645785.exe 1068 scan_745645645785.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1792 MSBuild.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1068 wrote to memory of 1792 1068 scan_745645645785.exe 29 PID 1068 wrote to memory of 1792 1068 scan_745645645785.exe 29 PID 1068 wrote to memory of 1792 1068 scan_745645645785.exe 29 PID 1068 wrote to memory of 1792 1068 scan_745645645785.exe 29 PID 1068 wrote to memory of 1792 1068 scan_745645645785.exe 29 PID 1068 wrote to memory of 1792 1068 scan_745645645785.exe 29 PID 1792 wrote to memory of 632 1792 MSBuild.exe 31 PID 1792 wrote to memory of 632 1792 MSBuild.exe 31 PID 1792 wrote to memory of 632 1792 MSBuild.exe 31 PID 1792 wrote to memory of 632 1792 MSBuild.exe 31
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:1068 -
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:1792 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:632
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