Analysis
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max time kernel
131s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:13
Static task
static1
Behavioral task
behavioral1
Sample
Payment Advice.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Payment Advice.exe
Resource
win10v2004-20220414-en
General
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Target
Payment Advice.exe
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Size
691KB
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MD5
26af78ad5b6bde747cb7c5b6798d13f7
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SHA1
28ebe93177032569db769b91ccd9e0992b76149d
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SHA256
c937a2903274b2498a1d488de6d7cf11811d9dc51749e4c4256262e1236473f8
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SHA512
159f1f5a13df5bb408376429278955d723117bd46097a7e1ecccfb248a0dbc0ef22708a76e5c6cf14c9b2b5ec2458505b01e9788fd3da734726b565e048023c6
Malware Config
Extracted
Protocol: smtp- Host:
mail.grandtours.gr - Port:
587 - Username:
[email protected] - Password:
!Bitter-bullet-chuck-major!
Extracted
agenttesla
Protocol: smtp- Host:
mail.grandtours.gr - Port:
587 - Username:
[email protected] - Password:
!Bitter-bullet-chuck-major!
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/3736-139-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Payment Advice.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation Payment Advice.exe -
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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
Payment Advice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Advice.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Advice.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Advice.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Payment Advice.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xxspw = "C:\\Users\\Admin\\AppData\\Roaming\\xxspw\\xxspw.exe" Payment Advice.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Payment Advice.exedescription pid process target process PID 1884 set thread context of 3736 1884 Payment Advice.exe Payment Advice.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:
Payment Advice.exePayment Advice.exepid process 1884 Payment Advice.exe 1884 Payment Advice.exe 1884 Payment Advice.exe 3736 Payment Advice.exe 3736 Payment Advice.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Payment Advice.exePayment Advice.exedescription pid process Token: SeDebugPrivilege 1884 Payment Advice.exe Token: SeDebugPrivilege 3736 Payment Advice.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Payment Advice.exedescription pid process target process PID 1884 wrote to memory of 1332 1884 Payment Advice.exe schtasks.exe PID 1884 wrote to memory of 1332 1884 Payment Advice.exe schtasks.exe PID 1884 wrote to memory of 1332 1884 Payment Advice.exe schtasks.exe PID 1884 wrote to memory of 3736 1884 Payment Advice.exe Payment Advice.exe PID 1884 wrote to memory of 3736 1884 Payment Advice.exe Payment Advice.exe PID 1884 wrote to memory of 3736 1884 Payment Advice.exe Payment Advice.exe PID 1884 wrote to memory of 3736 1884 Payment Advice.exe Payment Advice.exe PID 1884 wrote to memory of 3736 1884 Payment Advice.exe Payment Advice.exe PID 1884 wrote to memory of 3736 1884 Payment Advice.exe Payment Advice.exe PID 1884 wrote to memory of 3736 1884 Payment Advice.exe Payment Advice.exe PID 1884 wrote to memory of 3736 1884 Payment Advice.exe Payment Advice.exe -
outlook_office_path 1 IoCs
Processes:
Payment Advice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Advice.exe -
outlook_win_path 1 IoCs
Processes:
Payment Advice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Advice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dYsSYgDjRqcG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8D9.tmp"2⤵
- Creates scheduled task(s)
PID:1332 -
C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3736
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD52dc88967f8ab98d834998c930371997a
SHA1fe54fd90824e71d0df04a47f460e1f72b9e1ffc4
SHA256454ef7333f3fcdfff8957611a2bc97b3ab5aca972406b6d323e407424f2e7da9
SHA512975af2932004d1f90474b2e0be35143e1c824c51d92b504cffb52036a4f37f1b62256c5c536089b570f23ada2cf37bbd3af96b14ebfdcfaacf7a65ba406cda77
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Filesize
1KB
MD5b3ec6f3232dc08f7b732e655898bbee1
SHA1fcf31750e2f0dafdeda18b69c406a887fac23ace
SHA25651b526304bcb288bbdf5bbbb36ea4ea2311b4fbf31d2543638f29a176dda7587
SHA5124e4bee4fd550e05fc7942c1024642bb189d044d88024e0edd137272c968bf2e409a4367bef988da18995e7e90d97313d63aefaf5c17ee14b224bfc87318bb2bc