Analysis
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max time kernel
139s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 23:17
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Purchase Order.exe
Resource
win10v2004-20220414-en
General
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Target
Purchase Order.exe
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Size
635KB
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MD5
7abd6ed3261587bcd8714fa62eeaeb22
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SHA1
ad4bc7fc5c9f4558ca781e985a923c45cb48812b
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SHA256
976cef67fbe1b476e5482d0b1c6fad9b76a8b04e241edd6d88de8584d53630a3
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SHA512
002c2a9e705e52dd51de641091e25cbfd31e9c907b52ff4ececb3b7b1e61e67150a97abc78108f917f7378dac053729848fee146c764f718b0ceef412b4175d7
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
babacj1234567890
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1228-62-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1228-63-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1228-64-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1228-65-0x00000000004543EE-mapping.dmp family_agenttesla behavioral1/memory/1228-67-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1228-69-0x0000000000400000-0x000000000045A000-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:
Purchase Order.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Purchase Order.exedescription pid process target process PID 1720 set thread context of 1228 1720 Purchase Order.exe Purchase Order.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Purchase Order.exepid process 1228 Purchase Order.exe 1228 Purchase Order.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Purchase Order.exedescription pid process Token: SeDebugPrivilege 1228 Purchase Order.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Purchase Order.exepid process 1228 Purchase Order.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Purchase Order.exedescription pid process target process PID 1720 wrote to memory of 1228 1720 Purchase Order.exe Purchase Order.exe PID 1720 wrote to memory of 1228 1720 Purchase Order.exe Purchase Order.exe PID 1720 wrote to memory of 1228 1720 Purchase Order.exe Purchase Order.exe PID 1720 wrote to memory of 1228 1720 Purchase Order.exe Purchase Order.exe PID 1720 wrote to memory of 1228 1720 Purchase Order.exe Purchase Order.exe PID 1720 wrote to memory of 1228 1720 Purchase Order.exe Purchase Order.exe PID 1720 wrote to memory of 1228 1720 Purchase Order.exe Purchase Order.exe PID 1720 wrote to memory of 1228 1720 Purchase Order.exe Purchase Order.exe PID 1720 wrote to memory of 1228 1720 Purchase Order.exe Purchase Order.exe -
outlook_office_path 1 IoCs
Processes:
Purchase Order.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe -
outlook_win_path 1 IoCs
Processes:
Purchase Order.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1228-64-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1228-59-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1228-60-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1228-62-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1228-63-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1228-65-0x00000000004543EE-mapping.dmp
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memory/1228-67-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1228-69-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1720-55-0x00000000753B1000-0x00000000753B3000-memory.dmpFilesize
8KB
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memory/1720-56-0x0000000000260000-0x000000000026A000-memory.dmpFilesize
40KB
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memory/1720-57-0x0000000004E00000-0x0000000004E72000-memory.dmpFilesize
456KB
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memory/1720-58-0x0000000004770000-0x00000000047CA000-memory.dmpFilesize
360KB
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memory/1720-54-0x00000000008E0000-0x0000000000986000-memory.dmpFilesize
664KB