Analysis
- max time kernel
84s - max time network
137s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:38
Static task
static1
Behavioral task
behavioral1
Sample
PR#68478.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target PR#68478.exe
- Size 1.8MB
- Sample201109-pvfc59l71s
- SHA256 aa8858f450d41fa1c9bade302c7d5f008f5abdb54cc3c048df93fdbfc8d24b07
- MD5 2c040ef11836d62addc57d7074df27f4
- SHA1 81412c3839c40c714fce85bcc9f0ccce0c3100f3
- SHA512 fce315b56d0b526cf952bdb6f2ac2e85273698335f18f261987a3a79ae9cd3eb0fb3bbdc343a27b9878bdcc57f21a945bc6728d088b703ef820a113155ce5359
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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agenttesla
Credentials
-
Protocol
smtp
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Host
mail.dressmartintl.com
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Port
587
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Username
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Password
Dress@2020
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 13 IoCs
resource yara_rule behavioral2/memory/3060-0-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral2/memory/3060-1-0x000000000044C22E-mapping.dmp family_agenttesla behavioral2/memory/3060-12-0x000000000044C22E-mapping.dmp family_agenttesla behavioral2/memory/3060-11-0x000000000044C22E-mapping.dmp family_agenttesla behavioral2/memory/3060-13-0x000000000044C22E-mapping.dmp family_agenttesla behavioral2/memory/3060-14-0x000000000044C22E-mapping.dmp family_agenttesla behavioral2/memory/3060-15-0x000000000044C22E-mapping.dmp family_agenttesla behavioral2/memory/3060-16-0x000000000044C22E-mapping.dmp family_agenttesla behavioral2/memory/3060-17-0x000000000044C22E-mapping.dmp family_agenttesla behavioral2/memory/3060-18-0x000000000044C22E-mapping.dmp family_agenttesla behavioral2/memory/3060-19-0x000000000044C22E-mapping.dmp family_agenttesla behavioral2/memory/3060-21-0x000000000044C22E-mapping.dmp family_agenttesla behavioral2/memory/3060-20-0x000000000044C22E-mapping.dmp family_agenttesla - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4040 set thread context of 3060 4040 PR#68478.exe 78 - Program crash 1 IoCs
pid pid_target Process procid_target 400 3060 WerFault.exe 78 - Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3060 MSBuild.exe 3060 MSBuild.exe 400 WerFault.exe 400 WerFault.exe 400 WerFault.exe 400 WerFault.exe 400 WerFault.exe 400 WerFault.exe 400 WerFault.exe 400 WerFault.exe 400 WerFault.exe 400 WerFault.exe 400 WerFault.exe 400 WerFault.exe 400 WerFault.exe 400 WerFault.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4040 PR#68478.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3060 MSBuild.exe Token: SeRestorePrivilege 400 WerFault.exe Token: SeBackupPrivilege 400 WerFault.exe Token: SeDebugPrivilege 400 WerFault.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4040 PR#68478.exe 4040 PR#68478.exe 4040 PR#68478.exe - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 4040 PR#68478.exe 4040 PR#68478.exe 4040 PR#68478.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4040 wrote to memory of 3060 4040 PR#68478.exe 78 PID 4040 wrote to memory of 3060 4040 PR#68478.exe 78 PID 4040 wrote to memory of 3060 4040 PR#68478.exe 78 PID 4040 wrote to memory of 3060 4040 PR#68478.exe 78 PID 3060 wrote to memory of 1176 3060 MSBuild.exe 79 PID 3060 wrote to memory of 1176 3060 MSBuild.exe 79 PID 3060 wrote to memory of 1176 3060 MSBuild.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\PR#68478.exe"C:\Users\Admin\AppData\Local\Temp\PR#68478.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4040 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3060 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1176
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 14843⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:400
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