Analysis
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max time kernel
76s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
08-12-2022 18:18
Static task
static1
Behavioral task
behavioral1
Sample
341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe
Resource
win10v2004-20220812-en
General
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Target
341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe
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Size
970KB
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MD5
32bbd2bd2b4d2e185783f25d64c6cdbf
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SHA1
32413fb565d883ce6c73ceb0bf2244dbab4303c1
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SHA256
341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc
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SHA512
283168bb49700cac4132e477b4bc82f7cf2109c9e942b16efeb545e5f0e97e510bf8f54cce5d5e05b0249a82928dcc09e51c8af98afa40dbd3393cadccdb4f11
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SSDEEP
24576:TyeAKI2PDAEQeO6Ru9+DzOofcZ6IYrwg5+Rkz:TyepXPUH3oDzzful6e
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
host39.registrar-servers.com - Port:
587 - Username:
[email protected] - Password:
payment 12345
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exedescription pid process target process PID 2028 set thread context of 1372 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exeMSBuild.exepid process 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe 1372 MSBuild.exe 1372 MSBuild.exe 1372 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exeMSBuild.exedescription pid process Token: SeDebugPrivilege 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe Token: SeDebugPrivilege 1372 MSBuild.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exedescription pid process target process PID 2028 wrote to memory of 668 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe PID 2028 wrote to memory of 668 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe PID 2028 wrote to memory of 668 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe PID 2028 wrote to memory of 668 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe PID 2028 wrote to memory of 1372 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe PID 2028 wrote to memory of 1372 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe PID 2028 wrote to memory of 1372 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe PID 2028 wrote to memory of 1372 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe PID 2028 wrote to memory of 1372 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe PID 2028 wrote to memory of 1372 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe PID 2028 wrote to memory of 1372 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe PID 2028 wrote to memory of 1372 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe PID 2028 wrote to memory of 1372 2028 341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe"C:\Users\Admin\AppData\Local\Temp\341ff4121328104ec5db8662d94cfdfdcffd7c36bc022a8fabea180d3c19adbc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"{path}"2⤵PID:668
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1372
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