Analysis
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max time kernel
71s -
max time network
68s -
platform
windows7_x64 -
resource
win7 -
submitted
30-06-2020 06:01
Static task
static1
Behavioral task
behavioral1
Sample
Appointment_Letter_ANCASH QUEEN.pdf.exe
Resource
win7
Behavioral task
behavioral2
Sample
Appointment_Letter_ANCASH QUEEN.pdf.exe
Resource
win10v200430
General
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Target
Appointment_Letter_ANCASH QUEEN.pdf.exe
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Size
533KB
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MD5
5ccdf28a6000793b36c564c43c3c81b9
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SHA1
f9e5d025419b31d8789efb9b48afbed02c22bdbc
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SHA256
09d36fe7fb556c5f30897231a8b0cab021d9fd04896eefc838dbe4dee24eb772
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SHA512
cb7e67b612573f2a2556198c437ca9f131c2fa053bba43d6517bb17390c118a85a2d0952022e059bf1328d2ef22d50aeedf106a5910a4880ccefff7ee93be787
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.foodanddesign-lb.com - Port:
587 - Username:
yarze@foodanddesign-lb.com - Password:
yarze@2018
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/740-0-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/740-1-0x0000000000446B0E-mapping.dmp family_agenttesla behavioral1/memory/740-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/740-3-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Suspicious use of SetThreadContext 1 IoCs
Processes:
Appointment_Letter_ANCASH QUEEN.pdf.exedescription pid process target process PID 112 set thread context of 740 112 Appointment_Letter_ANCASH QUEEN.pdf.exe Appointment_Letter_ANCASH QUEEN.pdf.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Appointment_Letter_ANCASH QUEEN.pdf.exepid process 740 Appointment_Letter_ANCASH QUEEN.pdf.exe 740 Appointment_Letter_ANCASH QUEEN.pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Appointment_Letter_ANCASH QUEEN.pdf.exedescription pid process Token: SeDebugPrivilege 740 Appointment_Letter_ANCASH QUEEN.pdf.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Appointment_Letter_ANCASH QUEEN.pdf.exedescription pid process target process PID 112 wrote to memory of 740 112 Appointment_Letter_ANCASH QUEEN.pdf.exe Appointment_Letter_ANCASH QUEEN.pdf.exe PID 112 wrote to memory of 740 112 Appointment_Letter_ANCASH QUEEN.pdf.exe Appointment_Letter_ANCASH QUEEN.pdf.exe PID 112 wrote to memory of 740 112 Appointment_Letter_ANCASH QUEEN.pdf.exe Appointment_Letter_ANCASH QUEEN.pdf.exe PID 112 wrote to memory of 740 112 Appointment_Letter_ANCASH QUEEN.pdf.exe Appointment_Letter_ANCASH QUEEN.pdf.exe PID 112 wrote to memory of 740 112 Appointment_Letter_ANCASH QUEEN.pdf.exe Appointment_Letter_ANCASH QUEEN.pdf.exe PID 112 wrote to memory of 740 112 Appointment_Letter_ANCASH QUEEN.pdf.exe Appointment_Letter_ANCASH QUEEN.pdf.exe PID 112 wrote to memory of 740 112 Appointment_Letter_ANCASH QUEEN.pdf.exe Appointment_Letter_ANCASH QUEEN.pdf.exe PID 112 wrote to memory of 740 112 Appointment_Letter_ANCASH QUEEN.pdf.exe Appointment_Letter_ANCASH QUEEN.pdf.exe PID 112 wrote to memory of 740 112 Appointment_Letter_ANCASH QUEEN.pdf.exe Appointment_Letter_ANCASH QUEEN.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Appointment_Letter_ANCASH QUEEN.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Appointment_Letter_ANCASH QUEEN.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Appointment_Letter_ANCASH QUEEN.pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/740-0-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/740-1-0x0000000000446B0E-mapping.dmp
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memory/740-2-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/740-3-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB