Analysis
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max time kernel
144s -
max time network
213s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:33
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
900KB
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MD5
7fdd090c8b9fe2544b1fa4dc4c96bc11
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SHA1
3147873d755d9e30a5bd61ab132942a79558f43d
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SHA256
8e25b6df9458100758e0656d3529e0edf64e4bab339e7be71145304477ed9bbf
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SHA512
88d448db785836f88866de11101d6bbd568e73eb1befc85c7492340c81629b2eb00ee867d235c8f73568ee620a90376cb473be0d938bd72e31f625a0e81ce523
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.dianaglobalmandiri.com - Port:
587 - Username:
[email protected] - 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/1476-136-0x0000000000400000-0x0000000000452000-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-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\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 4400 set thread context of 1476 4400 payment receipt.exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2884 1476 WerFault.exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 1476 RegSvcs.exe 1476 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 1476 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
payment receipt.exeRegSvcs.exedescription pid process target process PID 4400 wrote to memory of 1476 4400 payment receipt.exe RegSvcs.exe PID 4400 wrote to memory of 1476 4400 payment receipt.exe RegSvcs.exe PID 4400 wrote to memory of 1476 4400 payment receipt.exe RegSvcs.exe PID 4400 wrote to memory of 1476 4400 payment receipt.exe RegSvcs.exe PID 4400 wrote to memory of 1476 4400 payment receipt.exe RegSvcs.exe PID 4400 wrote to memory of 1476 4400 payment receipt.exe RegSvcs.exe PID 4400 wrote to memory of 1476 4400 payment receipt.exe RegSvcs.exe PID 4400 wrote to memory of 1476 4400 payment receipt.exe RegSvcs.exe PID 1476 wrote to memory of 4732 1476 RegSvcs.exe REG.exe PID 1476 wrote to memory of 4732 1476 RegSvcs.exe REG.exe PID 1476 wrote to memory of 4732 1476 RegSvcs.exe REG.exe PID 1476 wrote to memory of 4436 1476 RegSvcs.exe netsh.exe PID 1476 wrote to memory of 4436 1476 RegSvcs.exe netsh.exe PID 1476 wrote to memory of 4436 1476 RegSvcs.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\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-1-5-21-3751123196-3323558407-1869646069-1000\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 1476 -s 15723⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1476 -ip 14761⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1476-135-0x0000000000000000-mapping.dmp
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memory/1476-136-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1476-137-0x0000000005740000-0x00000000057A6000-memory.dmpFilesize
408KB
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memory/1476-139-0x00000000066F0000-0x0000000006740000-memory.dmpFilesize
320KB
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memory/4400-130-0x0000000000550000-0x0000000000638000-memory.dmpFilesize
928KB
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memory/4400-131-0x0000000005490000-0x0000000005A34000-memory.dmpFilesize
5.6MB
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memory/4400-132-0x0000000004FE0000-0x0000000005072000-memory.dmpFilesize
584KB
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memory/4400-133-0x0000000005190000-0x000000000519A000-memory.dmpFilesize
40KB
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memory/4400-134-0x0000000008F00000-0x0000000008F9C000-memory.dmpFilesize
624KB
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memory/4436-140-0x0000000000000000-mapping.dmp
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memory/4732-138-0x0000000000000000-mapping.dmp