Analysis
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max time kernel
132s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 00:27
Static task
static1
Behavioral task
behavioral1
Sample
INQ#10932.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
INQ#10932.exe
Resource
win10v2004-20220414-en
General
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Target
INQ#10932.exe
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Size
910KB
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MD5
ab173fc941b3ff29b61a7c367a20f0c9
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SHA1
7c2d64b587f9f61e4db8c51684194ce090c0325a
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SHA256
dc33d410898885b637ad8dd510d290ff2c00ae00069f28a60a282364faf0384e
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SHA512
2101db46bdd426ccd977db05324910c6d1b33eaab02a3fd88d3b2e74b404b1243abf1f7d4e34536d02a2e308428eaa15d6c4d8ada44a4c317d00ec68c57533f1
Malware Config
Extracted
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
@Mexico1.,
Extracted
agenttesla
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
@Mexico1.,
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/116-138-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
INQ#10932.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation INQ#10932.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:
INQ#10932.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQ#10932.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQ#10932.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQ#10932.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
INQ#10932.exedescription pid process target process PID 324 set thread context of 116 324 INQ#10932.exe INQ#10932.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 2 IoCs
Processes:
INQ#10932.exepid process 116 INQ#10932.exe 116 INQ#10932.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
INQ#10932.exedescription pid process Token: SeDebugPrivilege 116 INQ#10932.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
INQ#10932.exepid process 116 INQ#10932.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
INQ#10932.exedescription pid process target process PID 324 wrote to memory of 4704 324 INQ#10932.exe schtasks.exe PID 324 wrote to memory of 4704 324 INQ#10932.exe schtasks.exe PID 324 wrote to memory of 4704 324 INQ#10932.exe schtasks.exe PID 324 wrote to memory of 116 324 INQ#10932.exe INQ#10932.exe PID 324 wrote to memory of 116 324 INQ#10932.exe INQ#10932.exe PID 324 wrote to memory of 116 324 INQ#10932.exe INQ#10932.exe PID 324 wrote to memory of 116 324 INQ#10932.exe INQ#10932.exe PID 324 wrote to memory of 116 324 INQ#10932.exe INQ#10932.exe PID 324 wrote to memory of 116 324 INQ#10932.exe INQ#10932.exe PID 324 wrote to memory of 116 324 INQ#10932.exe INQ#10932.exe PID 324 wrote to memory of 116 324 INQ#10932.exe INQ#10932.exe -
outlook_office_path 1 IoCs
Processes:
INQ#10932.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQ#10932.exe -
outlook_win_path 1 IoCs
Processes:
INQ#10932.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQ#10932.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INQ#10932.exe"C:\Users\Admin\AppData\Local\Temp\INQ#10932.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\emnGSvCqPQSKI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD561.tmp"2⤵
- Creates scheduled task(s)
PID:4704 -
C:\Users\Admin\AppData\Local\Temp\INQ#10932.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:116
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5987aa36df2fc0a572b2cd913c20bf99a
SHA16778168bb1c86e814a1f014779d6e443b1a80a28
SHA256b872575cdf95166db8ad102a318877842ceeec8b00c910ca66ef94e52cd5bd3d
SHA5120dfa7d3872ef07d032ae24321600974ab44479b1d14913eae230fbee4649cca90914291d7ab7973be7f0b89cee6e0a7ca166533c4a3f5ed0f30ef5f9cb0ffa42