Analysis
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max time kernel
97s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
24-07-2022 20:52
Static task
static1
Behavioral task
behavioral1
Sample
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe
Resource
win10v2004-20220721-en
General
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Target
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe
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Size
1.5MB
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MD5
572b24052c1d26c031b80a52c47d8af6
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SHA1
6c2faf8bc87ddc6c326f2d574ba5a5d1caea47d0
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SHA256
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12
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SHA512
c730ff51c3db83044ad7ea818939112e786da6a4c75f8de923efdec083c0f08c91d3e28e2ef36279e3deaf3fb4c2a49c47f694273ec31e070ef0d0d1b4ead1ff
Malware Config
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:
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe -
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:
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyOtApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyOtApp\\MyOtApp.exe" b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 19 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exedescription pid Process procid_target PID 1660 set thread context of 3372 1660 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 85 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
Processes:
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000_Classes\Local Settings b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exepid Process 3372 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 3372 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exeb35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exedescription pid Process Token: SeDebugPrivilege 1660 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe Token: SeDebugPrivilege 3372 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exejavaw.exejava.exepid Process 3372 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 3868 javaw.exe 1020 java.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exeb35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exejavaw.exejava.execmd.execmd.exedescription pid Process procid_target PID 1660 wrote to memory of 3372 1660 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 85 PID 1660 wrote to memory of 3372 1660 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 85 PID 1660 wrote to memory of 3372 1660 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 85 PID 1660 wrote to memory of 3372 1660 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 85 PID 1660 wrote to memory of 3372 1660 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 85 PID 1660 wrote to memory of 3372 1660 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 85 PID 1660 wrote to memory of 3372 1660 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 85 PID 1660 wrote to memory of 3372 1660 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 85 PID 3372 wrote to memory of 3868 3372 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 86 PID 3372 wrote to memory of 3868 3372 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe 86 PID 3868 wrote to memory of 1020 3868 javaw.exe 87 PID 3868 wrote to memory of 1020 3868 javaw.exe 87 PID 3868 wrote to memory of 3348 3868 javaw.exe 89 PID 3868 wrote to memory of 3348 3868 javaw.exe 89 PID 1020 wrote to memory of 2424 1020 java.exe 90 PID 1020 wrote to memory of 2424 1020 java.exe 90 PID 2424 wrote to memory of 1788 2424 cmd.exe 94 PID 2424 wrote to memory of 1788 2424 cmd.exe 94 PID 3348 wrote to memory of 2096 3348 cmd.exe 93 PID 3348 wrote to memory of 2096 3348 cmd.exe 93 -
outlook_office_path 1 IoCs
Processes:
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe -
outlook_win_path 1 IoCs
Processes:
b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe"C:\Users\Admin\AppData\Local\Temp\b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Users\Admin\AppData\Local\Temp\b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe"C:\Users\Admin\AppData\Local\Temp\b35c1336a3500ec63601bbf1ea7e62740eaa2dae4ae37dd2f4d3f55fd60aec12.exe"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3372 -
C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\tsd.jar"3⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3868 -
C:\Program Files\Java\jre1.8.0_66\bin\java.exe"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.81210737950390797014276406410368221.class4⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1020 -
C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7723461666724738664.vbs5⤵
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7723461666724738664.vbs6⤵PID:1788
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C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive3385685279513011713.vbs5⤵PID:3112
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C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive3385685279513011713.vbs6⤵PID:4008
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C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive3668966769008928747.vbs4⤵
- Suspicious use of WriteProcessMemory
PID:3348 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive3668966769008928747.vbs5⤵PID:2096
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C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6215090486660275181.vbs4⤵PID:1448
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C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6215090486660275181.vbs5⤵PID:4324
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
50B
MD50a1228956e0d1c1c755f99f391926803
SHA1dec0714c7e8174d497261c5ee32367f585152d25
SHA25675cd23ba0792d4409f0a8fab0712019a1b22c7067ec0f5cbfa6683902c155925
SHA5127426ebf1bc14a0f63bfca9a91233fa8ccf71853d3ecc38dd68f36c015fedb1a5b83622625b26685b25e19b6ac863bb355065c46fbbcc40d11d0fdc0be93b5385
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Filesize
276B
MD53bdfd33017806b85949b6faa7d4b98e4
SHA1f92844fee69ef98db6e68931adfaa9a0a0f8ce66
SHA2569da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6
SHA512ae5e5686ae71edef53e71cd842cb6799e4383b9c238a5c361b81647efa128d2fedf3bf464997771b5b0c47a058fecae7829aeedcd098c80a11008581e5781429
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Filesize
276B
MD53bdfd33017806b85949b6faa7d4b98e4
SHA1f92844fee69ef98db6e68931adfaa9a0a0f8ce66
SHA2569da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6
SHA512ae5e5686ae71edef53e71cd842cb6799e4383b9c238a5c361b81647efa128d2fedf3bf464997771b5b0c47a058fecae7829aeedcd098c80a11008581e5781429
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Filesize
241KB
MD5781fb531354d6f291f1ccab48da6d39f
SHA19ce4518ebcb5be6d1f0b5477fa00c26860fe9a68
SHA25697d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9
SHA5123e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2660308776-3705150086-26593515-1000\83aa4cc77f591dfc2374580bbd95f6ba_b975079f-5511-47c1-a87a-f7cd913ae83c
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
473KB
MD57da7000ca39ce69997bbcad56fa8d180
SHA15178465612c87a838fdfaa03b2148baf05a71768
SHA2569d817b32fd59dbbe3a17f0c73d4be0b3301df89be5389bb2e81532bda93e34f8
SHA5125999a976b75bbc457c1b38fa6e0f8149e9ffeedf3e5895d9b4478ffa94d53bf8d38b1df8aa8238423f6eb5b89c0a4bb36fa342033c6597214d12c6def53887d4