Analysis
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max time kernel
137s -
max time network
139s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
23-10-2021 08:26
Static task
static1
Behavioral task
behavioral1
Sample
c13206d0.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
c13206d0.exe
Resource
win10-en-20211014
General
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Target
c13206d0.exe
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Size
949KB
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MD5
ca30044b80c7eb142fdb58d35199dee1
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SHA1
d985cd5a87ce17612fab903b934caf86447115c2
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SHA256
c13206d017b7aab500f5d5e7800ff25c9c09fde13e83f6511d444d19fcebf528
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SHA512
a82bba62fcee4b9d72b57bc0f34933c068fd3b7ecfa3fe4579b0d4c8abbcfd3d2e4760f3c189f76b6901ffb526112d4dd1d1624ba7c7bba9e747bf1f38ca3449
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.dellvidi.com - Port:
587 - Username:
merchant2@dellvidi.com - Password:
merchant2####
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1820-65-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1820-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1820-68-0x000000000043701E-mapping.dmp family_agenttesla behavioral1/memory/1820-67-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1820-69-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
c13206d0.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c13206d0.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c13206d0.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c13206d0.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c13206d0.exedescription pid process target process PID 1880 set thread context of 1820 1880 c13206d0.exe c13206d0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
c13206d0.exec13206d0.exepid process 1880 c13206d0.exe 1880 c13206d0.exe 1880 c13206d0.exe 1820 c13206d0.exe 1820 c13206d0.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
c13206d0.exepid process 1820 c13206d0.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
c13206d0.exec13206d0.exedescription pid process Token: SeDebugPrivilege 1880 c13206d0.exe Token: SeDebugPrivilege 1820 c13206d0.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
c13206d0.exepid process 1820 c13206d0.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
c13206d0.exedescription pid process target process PID 1880 wrote to memory of 1192 1880 c13206d0.exe schtasks.exe PID 1880 wrote to memory of 1192 1880 c13206d0.exe schtasks.exe PID 1880 wrote to memory of 1192 1880 c13206d0.exe schtasks.exe PID 1880 wrote to memory of 1192 1880 c13206d0.exe schtasks.exe PID 1880 wrote to memory of 1820 1880 c13206d0.exe c13206d0.exe PID 1880 wrote to memory of 1820 1880 c13206d0.exe c13206d0.exe PID 1880 wrote to memory of 1820 1880 c13206d0.exe c13206d0.exe PID 1880 wrote to memory of 1820 1880 c13206d0.exe c13206d0.exe PID 1880 wrote to memory of 1820 1880 c13206d0.exe c13206d0.exe PID 1880 wrote to memory of 1820 1880 c13206d0.exe c13206d0.exe PID 1880 wrote to memory of 1820 1880 c13206d0.exe c13206d0.exe PID 1880 wrote to memory of 1820 1880 c13206d0.exe c13206d0.exe PID 1880 wrote to memory of 1820 1880 c13206d0.exe c13206d0.exe -
outlook_office_path 1 IoCs
Processes:
c13206d0.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c13206d0.exe -
outlook_win_path 1 IoCs
Processes:
c13206d0.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c13206d0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c13206d0.exe"C:\Users\Admin\AppData\Local\Temp\c13206d0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yYZogvDLX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA66D.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\c13206d0.exe"C:\Users\Admin\AppData\Local\Temp\c13206d0.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1192-62-0x0000000000000000-mapping.dmp
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memory/1820-68-0x000000000043701E-mapping.dmp
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memory/1820-66-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1820-71-0x0000000004960000-0x0000000004961000-memory.dmpFilesize
4KB
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memory/1820-69-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1820-67-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1820-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1820-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1820-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1880-56-0x0000000075A71000-0x0000000075A73000-memory.dmpFilesize
8KB
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memory/1880-57-0x0000000004DA0000-0x0000000004DA1000-memory.dmpFilesize
4KB
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memory/1880-61-0x0000000004860000-0x00000000048A6000-memory.dmpFilesize
280KB
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memory/1880-54-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/1880-60-0x0000000000600000-0x0000000000602000-memory.dmpFilesize
8KB
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memory/1880-59-0x0000000005040000-0x00000000050B3000-memory.dmpFilesize
460KB
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memory/1880-58-0x00000000005D0000-0x00000000005E3000-memory.dmpFilesize
76KB