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Analysis
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max time kernel
129s -
max time network
136s -
platform
windows7_x64 -
resource
win7 -
submitted
08/07/2020, 12:53
Static task
static1
Behavioral task
behavioral1
Sample
Invoice00846.pif.exe
Resource
win7
Behavioral task
behavioral2
Sample
Invoice00846.pif.exe
Resource
win10v200430
General
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Target
Invoice00846.pif.exe
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Size
879KB
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MD5
2946020f2dc046aceff16b15d84d5122
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SHA1
3e6c8a4d954923a608e3b4a6a02e6f6b010cb32e
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SHA256
c897bb6c238b8990b86fd2c2a543b631e1cde061033da452c02d8037c6a19fe1
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SHA512
c4f91e5302d0f00973a923102c58a66e7db9fb694904e6a19b3616b292f89602f51d69d7a622d81a64739a669d0824afb8e60f3a0992e09226465e6d14377821
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.ionos.es - Port:
587 - Username:
[email protected] - Password:
EWP552255EWP
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
resource yara_rule behavioral1/memory/1164-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1164-5-0x0000000000446EEE-mapping.dmp family_agenttesla behavioral1/memory/1164-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1164-7-0x0000000000400000-0x000000000044C000-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
description pid Process procid_target PID 1376 set thread context of 1164 1376 Invoice00846.pif.exe 26 -
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.
pid Process 1612 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1164 Invoice00846.pif.exe 1164 Invoice00846.pif.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1164 Invoice00846.pif.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1164 Invoice00846.pif.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1376 wrote to memory of 1612 1376 Invoice00846.pif.exe 24 PID 1376 wrote to memory of 1612 1376 Invoice00846.pif.exe 24 PID 1376 wrote to memory of 1612 1376 Invoice00846.pif.exe 24 PID 1376 wrote to memory of 1612 1376 Invoice00846.pif.exe 24 PID 1376 wrote to memory of 1164 1376 Invoice00846.pif.exe 26 PID 1376 wrote to memory of 1164 1376 Invoice00846.pif.exe 26 PID 1376 wrote to memory of 1164 1376 Invoice00846.pif.exe 26 PID 1376 wrote to memory of 1164 1376 Invoice00846.pif.exe 26 PID 1376 wrote to memory of 1164 1376 Invoice00846.pif.exe 26 PID 1376 wrote to memory of 1164 1376 Invoice00846.pif.exe 26 PID 1376 wrote to memory of 1164 1376 Invoice00846.pif.exe 26 PID 1376 wrote to memory of 1164 1376 Invoice00846.pif.exe 26 PID 1376 wrote to memory of 1164 1376 Invoice00846.pif.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice00846.pif.exe"C:\Users\Admin\AppData\Local\Temp\Invoice00846.pif.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bCKekA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B6D.tmp"2⤵
- Creates scheduled task(s)
PID:1612
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C:\Users\Admin\AppData\Local\Temp\Invoice00846.pif.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1164
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