Analysis
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max time kernel
80s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2022 16:31
Static task
static1
Behavioral task
behavioral1
Sample
SOA.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
SOA.exe
Resource
win10v2004-20220812-en
General
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Target
SOA.exe
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Size
823KB
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MD5
f640aac019a1e4d4c2087787a183ce9e
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SHA1
61e6ffda193221c646528fe23b6934b35967755f
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SHA256
b83277e8c7164257c1077c18eb894209d211d79b0032ad50230553c5b7a1e411
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SHA512
062a338acff66bd608c0e274baa6c697d48bda9b0e13c1e0bbcd47a3c56cda14ab5cd10d540003b350c0cc5a8b5469402ed061e4061a8ae2f8ffaa048ee225f8
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SSDEEP
24576:SzW8WrwhcvcfdY4disSYnRsquUoWPfr6ZcT:jx4disSARPGWPfrJ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.karthikagro.in - Port:
587 - Username:
[email protected] - Password:
Yenks@0910
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
SOA.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation SOA.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:
SOA.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 43 api.ipify.org 44 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SOA.exedescription pid process target process PID 2440 set thread context of 4600 2440 SOA.exe SOA.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 3 IoCs
Processes:
SOA.exepid process 4600 SOA.exe 4600 SOA.exe 4600 SOA.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SOA.exedescription pid process Token: SeDebugPrivilege 4600 SOA.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
SOA.exepid process 4600 SOA.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
SOA.exedescription pid process target process PID 2440 wrote to memory of 4372 2440 SOA.exe schtasks.exe PID 2440 wrote to memory of 4372 2440 SOA.exe schtasks.exe PID 2440 wrote to memory of 4372 2440 SOA.exe schtasks.exe PID 2440 wrote to memory of 4600 2440 SOA.exe SOA.exe PID 2440 wrote to memory of 4600 2440 SOA.exe SOA.exe PID 2440 wrote to memory of 4600 2440 SOA.exe SOA.exe PID 2440 wrote to memory of 4600 2440 SOA.exe SOA.exe PID 2440 wrote to memory of 4600 2440 SOA.exe SOA.exe PID 2440 wrote to memory of 4600 2440 SOA.exe SOA.exe PID 2440 wrote to memory of 4600 2440 SOA.exe SOA.exe PID 2440 wrote to memory of 4600 2440 SOA.exe SOA.exe -
outlook_office_path 1 IoCs
Processes:
SOA.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA.exe -
outlook_win_path 1 IoCs
Processes:
SOA.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OPTvPkKUuRKql" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB10.tmp"2⤵
- Creates scheduled task(s)
PID:4372
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C:\Users\Admin\AppData\Local\Temp\SOA.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:4600
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD56a0acf01327f443288423986773b01ce
SHA186d4b1519d3b0d5909878661382c44a6518c4fc4
SHA256d89e6981b800f17fd86171d24c212dba2fd34a6aa69c245afc2d0bbb5a0cba19
SHA512e3af4c1609a5160a4329b962b034c6b2ca5b602d6d73c2d0a62d880821c46a0815c9eec14783dada0a642a81f3d82fd1888bd9993f6f70d7e065ca89cc3a7a26