Analysis
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max time kernel
129s -
max time network
122s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
19-10-2021 05:42
Static task
static1
Behavioral task
behavioral1
Sample
Payment advice copy.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
Payment advice copy.exe
Resource
win10-en-20210920
General
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Target
Payment advice copy.exe
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Size
467KB
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MD5
3ab45f980ca589bdbfd9762e11162e38
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SHA1
f627731c1b0277e31d3969ab2c6fedfad8bf941a
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SHA256
06bc9d1d35aaf5936952229ee7aa9bda01c1804118dd29b28a260f241b1724a8
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SHA512
7267dcd07ba06153954be75531ebd4994b4820b561defb3279b043d343a25ddc9cf40d23deb67d228fc168b410fa02fe09daf00c4fae68c3cdc3cc703e4b9b19
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.vector-kl.com - Port:
587 - Username:
[email protected] - Password:
VickyVectorKL202)
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/524-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/524-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/524-65-0x0000000000436DCE-mapping.dmp family_agenttesla behavioral1/memory/524-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/524-66-0x0000000000400000-0x000000000043C000-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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
Payment advice copy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment advice copy.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment advice copy.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment advice copy.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Payment advice copy.exedescription pid process target process PID 1356 set thread context of 524 1356 Payment advice copy.exe Payment advice copy.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 4 IoCs
Processes:
Payment advice copy.exePayment advice copy.exepid process 1356 Payment advice copy.exe 1356 Payment advice copy.exe 524 Payment advice copy.exe 524 Payment advice copy.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Payment advice copy.exePayment advice copy.exedescription pid process Token: SeDebugPrivilege 1356 Payment advice copy.exe Token: SeDebugPrivilege 524 Payment advice copy.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Payment advice copy.exepid process 524 Payment advice copy.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
Payment advice copy.exedescription pid process target process PID 1356 wrote to memory of 1460 1356 Payment advice copy.exe schtasks.exe PID 1356 wrote to memory of 1460 1356 Payment advice copy.exe schtasks.exe PID 1356 wrote to memory of 1460 1356 Payment advice copy.exe schtasks.exe PID 1356 wrote to memory of 1460 1356 Payment advice copy.exe schtasks.exe PID 1356 wrote to memory of 524 1356 Payment advice copy.exe Payment advice copy.exe PID 1356 wrote to memory of 524 1356 Payment advice copy.exe Payment advice copy.exe PID 1356 wrote to memory of 524 1356 Payment advice copy.exe Payment advice copy.exe PID 1356 wrote to memory of 524 1356 Payment advice copy.exe Payment advice copy.exe PID 1356 wrote to memory of 524 1356 Payment advice copy.exe Payment advice copy.exe PID 1356 wrote to memory of 524 1356 Payment advice copy.exe Payment advice copy.exe PID 1356 wrote to memory of 524 1356 Payment advice copy.exe Payment advice copy.exe PID 1356 wrote to memory of 524 1356 Payment advice copy.exe Payment advice copy.exe PID 1356 wrote to memory of 524 1356 Payment advice copy.exe Payment advice copy.exe -
outlook_office_path 1 IoCs
Processes:
Payment advice copy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment advice copy.exe -
outlook_win_path 1 IoCs
Processes:
Payment advice copy.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 Payment advice copy.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment advice copy.exe"C:\Users\Admin\AppData\Local\Temp\Payment advice copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RPiAdZKXsGonm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp57E0.tmp"2⤵
- Creates scheduled task(s)
PID:1460 -
C:\Users\Admin\AppData\Local\Temp\Payment advice copy.exe"C:\Users\Admin\AppData\Local\Temp\Payment advice copy.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:524