Analysis
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max time kernel
91s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:10
Static task
static1
Behavioral task
behavioral1
Sample
payment receipt.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
payment receipt.exe
Resource
win10v2004-20220414-en
General
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Target
payment receipt.exe
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Size
513KB
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MD5
1f4cafd1b59f0a7b7bafb28e31c620aa
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SHA1
b4f61151dfcd4b7f62665324a661a517d1a0ec75
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SHA256
875391a0ae1d2f10f9c04e39aaed8c558acf0fbad7b220d18489d25aac97ff85
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SHA512
2ea0849ec47211976a72691944737944f231fcd3e3ed371c5ec0844650efa38dd613a252dc2b45a8b8f4969d0eb0ba981ddec36c7f8210032ddb76ce2234b64c
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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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2452-136-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
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 -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
payment receipt.exedescription pid process target process PID 4776 set thread context of 2452 4776 payment receipt.exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4996 2452 WerFault.exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 2452 RegSvcs.exe 2452 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2452 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
payment receipt.exeRegSvcs.exedescription pid process target process PID 4776 wrote to memory of 2452 4776 payment receipt.exe RegSvcs.exe PID 4776 wrote to memory of 2452 4776 payment receipt.exe RegSvcs.exe PID 4776 wrote to memory of 2452 4776 payment receipt.exe RegSvcs.exe PID 4776 wrote to memory of 2452 4776 payment receipt.exe RegSvcs.exe PID 4776 wrote to memory of 2452 4776 payment receipt.exe RegSvcs.exe PID 4776 wrote to memory of 2452 4776 payment receipt.exe RegSvcs.exe PID 4776 wrote to memory of 2452 4776 payment receipt.exe RegSvcs.exe PID 4776 wrote to memory of 2452 4776 payment receipt.exe RegSvcs.exe PID 2452 wrote to memory of 2340 2452 RegSvcs.exe REG.exe PID 2452 wrote to memory of 2340 2452 RegSvcs.exe REG.exe PID 2452 wrote to memory of 2340 2452 RegSvcs.exe REG.exe PID 2452 wrote to memory of 556 2452 RegSvcs.exe netsh.exe PID 2452 wrote to memory of 556 2452 RegSvcs.exe netsh.exe PID 2452 wrote to memory of 556 2452 RegSvcs.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\payment receipt.exe"C:\Users\Admin\AppData\Local\Temp\payment receipt.exe"1⤵
- Suspicious use of SetThreadContext
- 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
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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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 2452 -s 15523⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2452 -ip 24521⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/556-140-0x0000000000000000-mapping.dmp
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memory/2340-138-0x0000000000000000-mapping.dmp
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memory/2452-135-0x0000000000000000-mapping.dmp
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memory/2452-136-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2452-137-0x00000000055B0000-0x0000000005616000-memory.dmpFilesize
408KB
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memory/2452-139-0x0000000006160000-0x00000000061B0000-memory.dmpFilesize
320KB
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memory/4776-130-0x0000000000960000-0x00000000009E6000-memory.dmpFilesize
536KB
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memory/4776-131-0x0000000005B00000-0x00000000060A4000-memory.dmpFilesize
5.6MB
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memory/4776-132-0x0000000005440000-0x00000000054D2000-memory.dmpFilesize
584KB
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memory/4776-133-0x0000000002E40000-0x0000000002E4A000-memory.dmpFilesize
40KB
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memory/4776-134-0x0000000008EC0000-0x0000000008F5C000-memory.dmpFilesize
624KB