Analysis
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max time kernel
149s -
max time network
135s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
19-04-2021 07:33
Static task
static1
Behavioral task
behavioral1
Sample
Drawings_pdf.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
Drawings_pdf.exe
Resource
win10v20210408
General
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Target
Drawings_pdf.exe
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Size
699KB
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MD5
49b0e9e03c84e8ad389c2dda6038814a
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SHA1
7fc64feadb22791724f55808cbf872d1d5f8456e
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SHA256
22e3af3f64dbc6b64b2f47400be374dcf65bc990ac06bb2e7f77dbe1f61d922d
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SHA512
fb26c6661999b630ba3a80b4e9414c1f25cffe4a8387e40051552c00488d108175e5e16793ecc69cde3d3e3797f807f0b1c80dc27dfcfd86dcf3187e6f5e4634
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.soonlogistics.com - Port:
587 - Username:
[email protected] - Password:
admin6640!
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/664-68-0x0000000000446C9E-mapping.dmp family_agenttesla behavioral1/memory/664-67-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/664-70-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Drawings_pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe" Drawings_pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Drawings_pdf.exedescription pid process target process PID 1348 set thread context of 664 1348 Drawings_pdf.exe Drawings_pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
Drawings_pdf.exepowershell.exeDrawings_pdf.exepid process 1348 Drawings_pdf.exe 1348 Drawings_pdf.exe 1348 Drawings_pdf.exe 1348 Drawings_pdf.exe 1132 powershell.exe 1132 powershell.exe 664 Drawings_pdf.exe 664 Drawings_pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Drawings_pdf.exepowershell.exeDrawings_pdf.exedescription pid process Token: SeDebugPrivilege 1348 Drawings_pdf.exe Token: SeDebugPrivilege 1132 powershell.exe Token: SeDebugPrivilege 664 Drawings_pdf.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
Drawings_pdf.exedescription pid process target process PID 1348 wrote to memory of 1132 1348 Drawings_pdf.exe powershell.exe PID 1348 wrote to memory of 1132 1348 Drawings_pdf.exe powershell.exe PID 1348 wrote to memory of 1132 1348 Drawings_pdf.exe powershell.exe PID 1348 wrote to memory of 1132 1348 Drawings_pdf.exe powershell.exe PID 1348 wrote to memory of 1688 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 1688 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 1688 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 1688 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 900 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 900 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 900 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 900 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 664 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 664 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 664 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 664 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 664 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 664 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 664 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 664 1348 Drawings_pdf.exe Drawings_pdf.exe PID 1348 wrote to memory of 664 1348 Drawings_pdf.exe Drawings_pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1132 -
C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"2⤵PID:1688
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C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"2⤵PID:900
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C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Drawings_pdf.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:664
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/664-68-0x0000000000446C9E-mapping.dmp
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memory/664-74-0x00000000021F0000-0x00000000021F1000-memory.dmpFilesize
4KB
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memory/664-70-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/664-67-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1132-75-0x0000000004970000-0x0000000004971000-memory.dmpFilesize
4KB
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memory/1132-77-0x0000000002590000-0x0000000002591000-memory.dmpFilesize
4KB
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memory/1132-111-0x0000000006310000-0x0000000006311000-memory.dmpFilesize
4KB
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memory/1132-110-0x0000000006300000-0x0000000006301000-memory.dmpFilesize
4KB
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memory/1132-69-0x00000000762C1000-0x00000000762C3000-memory.dmpFilesize
8KB
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memory/1132-96-0x00000000061A0000-0x00000000061A1000-memory.dmpFilesize
4KB
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memory/1132-72-0x0000000000850000-0x0000000000851000-memory.dmpFilesize
4KB
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memory/1132-73-0x00000000049B0000-0x00000000049B1000-memory.dmpFilesize
4KB
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memory/1132-95-0x0000000006280000-0x0000000006281000-memory.dmpFilesize
4KB
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memory/1132-88-0x00000000060F0000-0x00000000060F1000-memory.dmpFilesize
4KB
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memory/1132-76-0x0000000004972000-0x0000000004973000-memory.dmpFilesize
4KB
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memory/1132-66-0x0000000000000000-mapping.dmp
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memory/1132-78-0x0000000002710000-0x0000000002711000-memory.dmpFilesize
4KB
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memory/1132-81-0x0000000005650000-0x0000000005651000-memory.dmpFilesize
4KB
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memory/1132-86-0x00000000056B0000-0x00000000056B1000-memory.dmpFilesize
4KB
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memory/1132-87-0x000000007EF30000-0x000000007EF31000-memory.dmpFilesize
4KB
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memory/1348-62-0x0000000004C70000-0x0000000004C71000-memory.dmpFilesize
4KB
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memory/1348-60-0x0000000000290000-0x0000000000291000-memory.dmpFilesize
4KB
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memory/1348-63-0x0000000000380000-0x0000000000389000-memory.dmpFilesize
36KB
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memory/1348-64-0x0000000005170000-0x00000000051FC000-memory.dmpFilesize
560KB
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memory/1348-65-0x00000000050D0000-0x0000000005127000-memory.dmpFilesize
348KB