Analysis
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max time kernel
74s -
max time network
134s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
09-11-2020 19:37
Behavioral task
behavioral1
Sample
PO000170.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
PO000170.exe
Resource
win10v20201028
General
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Target
PO000170.exe
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Size
509KB
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MD5
080cfd17bd94ff40a8813cd7c8d03b67
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SHA1
4a100e472fce2d52d58d153cd0ac4a82c6b79e7b
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SHA256
cd301ca1c374c26aca9bf5381a3b491ae384f06868617c6c16b563213854d159
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SHA512
7a7635ed2c14644a813c1d2a60cad09bb6d4c728cc2d3bdfd75f9e13ce4b8b044482b4eb20f942bc95144c48ae286ae5295003563bdb17296a8f3e9b16c0d3c0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.tolipgoldenplaza.com - Port:
587 - Username:
dir.fb@tolipgoldenplaza.com - Password:
Golden@#$2019
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 behavioral2/memory/1160-6-0x0000000004630000-0x0000000004633000-memory.dmp coreentity -
AgentTesla Payload 13 IoCs
Processes:
resource yara_rule behavioral2/memory/492-9-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral2/memory/492-10-0x000000000044CB2E-mapping.dmp family_agenttesla behavioral2/memory/492-21-0x000000000044CB2E-mapping.dmp family_agenttesla behavioral2/memory/492-22-0x000000000044CB2E-mapping.dmp family_agenttesla behavioral2/memory/492-24-0x000000000044CB2E-mapping.dmp family_agenttesla behavioral2/memory/492-25-0x000000000044CB2E-mapping.dmp family_agenttesla behavioral2/memory/492-23-0x000000000044CB2E-mapping.dmp family_agenttesla behavioral2/memory/492-26-0x000000000044CB2E-mapping.dmp family_agenttesla behavioral2/memory/492-28-0x000000000044CB2E-mapping.dmp family_agenttesla behavioral2/memory/492-27-0x000000000044CB2E-mapping.dmp family_agenttesla behavioral2/memory/492-29-0x000000000044CB2E-mapping.dmp family_agenttesla behavioral2/memory/492-30-0x000000000044CB2E-mapping.dmp family_agenttesla behavioral2/memory/492-31-0x000000000044CB2E-mapping.dmp family_agenttesla -
Processes:
resource yara_rule behavioral2/memory/1160-7-0x000000000AB80000-0x000000000ABD3000-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:
PO000170.exedescription pid process target process PID 1160 set thread context of 492 1160 PO000170.exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1144 492 WerFault.exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
RegSvcs.exeWerFault.exepid process 492 RegSvcs.exe 492 RegSvcs.exe 1144 WerFault.exe 1144 WerFault.exe 1144 WerFault.exe 1144 WerFault.exe 1144 WerFault.exe 1144 WerFault.exe 1144 WerFault.exe 1144 WerFault.exe 1144 WerFault.exe 1144 WerFault.exe 1144 WerFault.exe 1144 WerFault.exe 1144 WerFault.exe 1144 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
PO000170.exeRegSvcs.exeWerFault.exedescription pid process Token: SeDebugPrivilege 1160 PO000170.exe Token: SeDebugPrivilege 492 RegSvcs.exe Token: SeRestorePrivilege 1144 WerFault.exe Token: SeBackupPrivilege 1144 WerFault.exe Token: SeDebugPrivilege 1144 WerFault.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
PO000170.exepid process 1160 PO000170.exe 1160 PO000170.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
PO000170.exeRegSvcs.exedescription pid process target process PID 1160 wrote to memory of 492 1160 PO000170.exe RegSvcs.exe PID 1160 wrote to memory of 492 1160 PO000170.exe RegSvcs.exe PID 1160 wrote to memory of 492 1160 PO000170.exe RegSvcs.exe PID 1160 wrote to memory of 492 1160 PO000170.exe RegSvcs.exe PID 1160 wrote to memory of 492 1160 PO000170.exe RegSvcs.exe PID 1160 wrote to memory of 492 1160 PO000170.exe RegSvcs.exe PID 1160 wrote to memory of 492 1160 PO000170.exe RegSvcs.exe PID 1160 wrote to memory of 492 1160 PO000170.exe RegSvcs.exe PID 492 wrote to memory of 3804 492 RegSvcs.exe REG.exe PID 492 wrote to memory of 3804 492 RegSvcs.exe REG.exe PID 492 wrote to memory of 3804 492 RegSvcs.exe REG.exe PID 492 wrote to memory of 4020 492 RegSvcs.exe netsh.exe PID 492 wrote to memory of 4020 492 RegSvcs.exe netsh.exe PID 492 wrote to memory of 4020 492 RegSvcs.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO000170.exe"C:\Users\Admin\AppData\Local\Temp\PO000170.exe"1⤵
- Suspicious use of SetThreadContext
- 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⤵
- 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⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 492 -s 14963⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/492-9-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/492-31-0x000000000044CB2E-mapping.dmp
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memory/492-10-0x000000000044CB2E-mapping.dmp
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memory/492-11-0x0000000073A80000-0x000000007416E000-memory.dmpFilesize
6.9MB
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memory/492-29-0x000000000044CB2E-mapping.dmp
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memory/492-27-0x000000000044CB2E-mapping.dmp
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memory/492-28-0x000000000044CB2E-mapping.dmp
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memory/492-26-0x000000000044CB2E-mapping.dmp
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memory/492-22-0x000000000044CB2E-mapping.dmp
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memory/492-24-0x000000000044CB2E-mapping.dmp
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memory/492-30-0x000000000044CB2E-mapping.dmp
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memory/492-16-0x0000000005640000-0x0000000005641000-memory.dmpFilesize
4KB
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memory/492-17-0x00000000060F0000-0x00000000060F1000-memory.dmpFilesize
4KB
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memory/492-23-0x000000000044CB2E-mapping.dmp
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memory/492-25-0x000000000044CB2E-mapping.dmp
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memory/492-21-0x000000000044CB2E-mapping.dmp
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memory/1144-20-0x0000000004CC0000-0x0000000004CC1000-memory.dmpFilesize
4KB
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memory/1144-32-0x00000000052F0000-0x00000000052F1000-memory.dmpFilesize
4KB
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memory/1160-8-0x000000000AAE0000-0x000000000AAE1000-memory.dmpFilesize
4KB
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memory/1160-0-0x0000000073A80000-0x000000007416E000-memory.dmpFilesize
6.9MB
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memory/1160-7-0x000000000AB80000-0x000000000ABD3000-memory.dmpFilesize
332KB
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memory/1160-6-0x0000000004630000-0x0000000004633000-memory.dmpFilesize
12KB
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memory/1160-5-0x00000000070B0000-0x00000000070B1000-memory.dmpFilesize
4KB
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memory/1160-4-0x00000000070E0000-0x00000000070E1000-memory.dmpFilesize
4KB
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memory/1160-3-0x0000000007500000-0x0000000007501000-memory.dmpFilesize
4KB
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memory/1160-1-0x0000000000310000-0x0000000000311000-memory.dmpFilesize
4KB
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memory/3804-18-0x0000000000000000-mapping.dmp
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memory/4020-19-0x0000000000000000-mapping.dmp