Analysis
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max time kernel
111s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:22
Static task
static1
Behavioral task
behavioral1
Sample
BANK DETAILS.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
BANK DETAILS.exe
Resource
win10v2004-20220414-en
General
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Target
BANK DETAILS.exe
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Size
492KB
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MD5
8d51581d38bf6d814eeb107d8bb7056c
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SHA1
cf22a586b7a298ab0032b20695902d43673d9c17
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SHA256
1ab6018047531cee5f411099f396fb8fcdf2c8c20062e9c33118726265ccd5fb
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SHA512
54588360eda1bd70c2b8da73297676d9bcbb6db0c56c49fa442308b7fdb1b2429586d9c7db5ccdcd23afc2d39fd5d2e40382faebbbe738ebdf363f13cd1cd563
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.pptoursperu.com - Port:
587 - Username:
[email protected] - Password:
mailppt2019-
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/4616-137-0x0000000000400000-0x0000000000450000-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:
BANK DETAILS.exedescription pid process target process PID 3560 set thread context of 4616 3560 BANK DETAILS.exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1092 4616 WerFault.exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
BANK DETAILS.exeRegSvcs.exepid process 3560 BANK DETAILS.exe 3560 BANK DETAILS.exe 4616 RegSvcs.exe 4616 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
BANK DETAILS.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3560 BANK DETAILS.exe Token: SeDebugPrivilege 4616 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
BANK DETAILS.exeRegSvcs.exedescription pid process target process PID 3560 wrote to memory of 4604 3560 BANK DETAILS.exe RegSvcs.exe PID 3560 wrote to memory of 4604 3560 BANK DETAILS.exe RegSvcs.exe PID 3560 wrote to memory of 4604 3560 BANK DETAILS.exe RegSvcs.exe PID 3560 wrote to memory of 4616 3560 BANK DETAILS.exe RegSvcs.exe PID 3560 wrote to memory of 4616 3560 BANK DETAILS.exe RegSvcs.exe PID 3560 wrote to memory of 4616 3560 BANK DETAILS.exe RegSvcs.exe PID 3560 wrote to memory of 4616 3560 BANK DETAILS.exe RegSvcs.exe PID 3560 wrote to memory of 4616 3560 BANK DETAILS.exe RegSvcs.exe PID 3560 wrote to memory of 4616 3560 BANK DETAILS.exe RegSvcs.exe PID 3560 wrote to memory of 4616 3560 BANK DETAILS.exe RegSvcs.exe PID 3560 wrote to memory of 4616 3560 BANK DETAILS.exe RegSvcs.exe PID 4616 wrote to memory of 4244 4616 RegSvcs.exe REG.exe PID 4616 wrote to memory of 4244 4616 RegSvcs.exe REG.exe PID 4616 wrote to memory of 4244 4616 RegSvcs.exe REG.exe PID 4616 wrote to memory of 3120 4616 RegSvcs.exe netsh.exe PID 4616 wrote to memory of 3120 4616 RegSvcs.exe netsh.exe PID 4616 wrote to memory of 3120 4616 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\BANK DETAILS.exe"C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3560 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:4604
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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
PID:4616 -
C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f3⤵
- Modifies registry key
PID:4244 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:3120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 15723⤵
- Program crash
PID:1092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4616 -ip 46161⤵PID:972
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/3120-141-0x0000000000000000-mapping.dmp
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memory/3560-130-0x0000000000BF0000-0x0000000000C72000-memory.dmpFilesize
520KB
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memory/3560-131-0x0000000005BB0000-0x0000000006154000-memory.dmpFilesize
5.6MB
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memory/3560-132-0x00000000056A0000-0x0000000005732000-memory.dmpFilesize
584KB
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memory/3560-133-0x0000000005630000-0x000000000563A000-memory.dmpFilesize
40KB
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memory/3560-134-0x0000000009540000-0x00000000095DC000-memory.dmpFilesize
624KB
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memory/4244-139-0x0000000000000000-mapping.dmp
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memory/4604-135-0x0000000000000000-mapping.dmp
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memory/4616-136-0x0000000000000000-mapping.dmp
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memory/4616-137-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/4616-138-0x00000000062A0000-0x0000000006306000-memory.dmpFilesize
408KB
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memory/4616-140-0x0000000006A10000-0x0000000006A60000-memory.dmpFilesize
320KB