Analysis
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max time kernel
78s -
max time network
77s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 19:37
Behavioral task
behavioral1
Sample
SOA.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
SOA.exe
Resource
win10v20201028
General
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Target
SOA.exe
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Size
524KB
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MD5
5c35980b02c0b8d7215bed3cce049a0c
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SHA1
91c0cf0dc6099389d3c9994b9090796b6b1837b2
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SHA256
e6eb2ae2e4e6d4ee40266c80f99169f284c67a901c7fff826d4156663910180d
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SHA512
61d12686a47afbd27754f06b245b091e38ee4cd5fc44f1842ce575268b735e06eccfbc107a956df25219836cd5fdff883fbca82c8ee952abdaacef99574d3154
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.dianaglobalmandiri.com - Port:
587 - Username:
info@dianaglobalmandiri.com - Password:
Batam2019
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
Processes:
resource yara_rule behavioral1/memory/1852-4-0x0000000000490000-0x0000000000493000-memory.dmp coreentity -
AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/804-6-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/804-7-0x000000000044CDFE-mapping.dmp family_agenttesla behavioral1/memory/804-8-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/804-9-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Processes:
resource yara_rule behavioral1/memory/1852-5-0x0000000007E80000-0x0000000007ED3000-memory.dmp rezer0 -
Disables Task Manager via registry modification
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Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SOA.exedescription pid process target process PID 1852 set thread context of 804 1852 SOA.exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
SOA.exeRegSvcs.exepid process 1852 SOA.exe 804 RegSvcs.exe 804 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SOA.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1852 SOA.exe Token: SeDebugPrivilege 804 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
SOA.exepid process 1852 SOA.exe 1852 SOA.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
SOA.exeRegSvcs.exedescription pid process target process PID 1852 wrote to memory of 772 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 772 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 772 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 772 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 772 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 772 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 772 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 804 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 804 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 804 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 804 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 804 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 804 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 804 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 804 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 804 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 804 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 804 1852 SOA.exe RegSvcs.exe PID 1852 wrote to memory of 804 1852 SOA.exe RegSvcs.exe PID 804 wrote to memory of 824 804 RegSvcs.exe REG.exe PID 804 wrote to memory of 824 804 RegSvcs.exe REG.exe PID 804 wrote to memory of 824 804 RegSvcs.exe REG.exe PID 804 wrote to memory of 824 804 RegSvcs.exe REG.exe PID 804 wrote to memory of 1800 804 RegSvcs.exe netsh.exe PID 804 wrote to memory of 1800 804 RegSvcs.exe netsh.exe PID 804 wrote to memory of 1800 804 RegSvcs.exe netsh.exe PID 804 wrote to memory of 1800 804 RegSvcs.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f3⤵
- Modifies registry key
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/804-6-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/804-7-0x000000000044CDFE-mapping.dmp
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memory/804-8-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/804-9-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/804-10-0x0000000073A30000-0x000000007411E000-memory.dmpFilesize
6.9MB
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memory/824-13-0x0000000000000000-mapping.dmp
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memory/1800-14-0x0000000000000000-mapping.dmp
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memory/1852-0-0x0000000073A30000-0x000000007411E000-memory.dmpFilesize
6.9MB
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memory/1852-1-0x0000000000EC0000-0x0000000000EC1000-memory.dmpFilesize
4KB
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memory/1852-4-0x0000000000490000-0x0000000000493000-memory.dmpFilesize
12KB
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memory/1852-5-0x0000000007E80000-0x0000000007ED3000-memory.dmpFilesize
332KB
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memory/1992-3-0x000007FEF7120000-0x000007FEF739A000-memory.dmpFilesize
2.5MB