Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
02-12-2023 02:01
Static task
static1
Behavioral task
behavioral1
Sample
SPECIFIC.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
SPECIFIC.exe
Resource
win10v2004-20231130-en
General
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Target
SPECIFIC.exe
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Size
784KB
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MD5
36c3e031bafb66e40a1291ea6fce0e72
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SHA1
f789f2e93c889ce67b272b83b8d0b5fb83a0dc04
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SHA256
eb6cc1987627340fcb7ba34ebad9174a770e28f43ae5b6eae6270f197d0a7e10
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SHA512
621a7a5c3ab1b0d298b329be2e0bbb6918e50d64578adc761572af880fd969cd5afc0c9dab3cce7b42c0a4a97be9984ce9af5c85e677e8932f83d107c70ddd89
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SSDEEP
12288:oNLIWyVyBY3/yW2r7gKw1lEOb969zpZAUsXoiMnf1NuxyvKXZazFr:oNjed3qDrMlEQQ9zdsUNuxIYZq
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.mailo.com - Port:
587 - Username:
[email protected] - Password:
Jesus234 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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:
SPECIFIC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SPECIFIC.exe Key opened \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SPECIFIC.exe Key opened \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SPECIFIC.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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SPECIFIC.exedescription pid process target process PID 3068 set thread context of 2632 3068 SPECIFIC.exe SPECIFIC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 6 IoCs
Processes:
SPECIFIC.exeSPECIFIC.exepowershell.exepowershell.exepid process 3068 SPECIFIC.exe 3068 SPECIFIC.exe 2632 SPECIFIC.exe 2632 SPECIFIC.exe 2616 powershell.exe 2340 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
SPECIFIC.exeSPECIFIC.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 3068 SPECIFIC.exe Token: SeDebugPrivilege 2632 SPECIFIC.exe Token: SeDebugPrivilege 2616 powershell.exe Token: SeDebugPrivilege 2340 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
SPECIFIC.exepid process 2632 SPECIFIC.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
SPECIFIC.exedescription pid process target process PID 3068 wrote to memory of 2616 3068 SPECIFIC.exe powershell.exe PID 3068 wrote to memory of 2616 3068 SPECIFIC.exe powershell.exe PID 3068 wrote to memory of 2616 3068 SPECIFIC.exe powershell.exe PID 3068 wrote to memory of 2616 3068 SPECIFIC.exe powershell.exe PID 3068 wrote to memory of 2340 3068 SPECIFIC.exe powershell.exe PID 3068 wrote to memory of 2340 3068 SPECIFIC.exe powershell.exe PID 3068 wrote to memory of 2340 3068 SPECIFIC.exe powershell.exe PID 3068 wrote to memory of 2340 3068 SPECIFIC.exe powershell.exe PID 3068 wrote to memory of 2788 3068 SPECIFIC.exe schtasks.exe PID 3068 wrote to memory of 2788 3068 SPECIFIC.exe schtasks.exe PID 3068 wrote to memory of 2788 3068 SPECIFIC.exe schtasks.exe PID 3068 wrote to memory of 2788 3068 SPECIFIC.exe schtasks.exe PID 3068 wrote to memory of 2632 3068 SPECIFIC.exe SPECIFIC.exe PID 3068 wrote to memory of 2632 3068 SPECIFIC.exe SPECIFIC.exe PID 3068 wrote to memory of 2632 3068 SPECIFIC.exe SPECIFIC.exe PID 3068 wrote to memory of 2632 3068 SPECIFIC.exe SPECIFIC.exe PID 3068 wrote to memory of 2632 3068 SPECIFIC.exe SPECIFIC.exe PID 3068 wrote to memory of 2632 3068 SPECIFIC.exe SPECIFIC.exe PID 3068 wrote to memory of 2632 3068 SPECIFIC.exe SPECIFIC.exe PID 3068 wrote to memory of 2632 3068 SPECIFIC.exe SPECIFIC.exe PID 3068 wrote to memory of 2632 3068 SPECIFIC.exe SPECIFIC.exe -
outlook_office_path 1 IoCs
Processes:
SPECIFIC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SPECIFIC.exe -
outlook_win_path 1 IoCs
Processes:
SPECIFIC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SPECIFIC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SPECIFIC.exe"C:\Users\Admin\AppData\Local\Temp\SPECIFIC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SPECIFIC.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2616 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eAeuidhLEQ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2340 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eAeuidhLEQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9463.tmp"2⤵
- Creates scheduled task(s)
PID:2788 -
C:\Users\Admin\AppData\Local\Temp\SPECIFIC.exe"C:\Users\Admin\AppData\Local\Temp\SPECIFIC.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2632
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5e8e1991a5d6ffc4763fdc6b2fb0717cd
SHA1d2c8125fa6a129f66ebd133a7dbf3df36c889bb2
SHA256829ba15041cb7b9576581babe532bd665f6d30d9c5581dac804463b2ba9ffaa0
SHA512122491c6543ad11f6b6ede81f8f1fe9878d0b06bfa09e9b2ae1893a8837a8655f7ab293d6005e42a58439ab15e5ac4697dbf77b6ba22c2d3ee07ddd839e98dfc
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\T7C4USZ3WR2NP3PMPST6.temp
Filesize7KB
MD5234d902c226d2931b8c6dee314fa1149
SHA163d76dee1da9d7f72dae93fdb1596a498712e982
SHA256888ec0c241b5dc5779975f5faa160bb83992458f25f0f12aac25f896527cfdde
SHA51290bb38a08bb61165625c0a9af543a669f1bc699e4b797d9a488307ea3539f2d861c054e349d8af5bdd8aeefc1a1f8f9dacfc12608019f27a53bb38ad7b905480
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5234d902c226d2931b8c6dee314fa1149
SHA163d76dee1da9d7f72dae93fdb1596a498712e982
SHA256888ec0c241b5dc5779975f5faa160bb83992458f25f0f12aac25f896527cfdde
SHA51290bb38a08bb61165625c0a9af543a669f1bc699e4b797d9a488307ea3539f2d861c054e349d8af5bdd8aeefc1a1f8f9dacfc12608019f27a53bb38ad7b905480