Analysis
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max time kernel
131s -
max time network
117s -
platform
windows10_x64 -
resource
win10 -
submitted
13/07/2020, 06:35
Static task
static1
Behavioral task
behavioral1
Sample
Neworder20091836pdf.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
Neworder20091836pdf.exe
Resource
win10
General
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Target
Neworder20091836pdf.exe
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Size
335KB
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MD5
8348644813539dd2c4d0a126fe5fd4d6
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SHA1
6796854dbdb4ac32d19f097e82b7694f2462af47
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SHA256
6a1315d55a66812deddffd96c7f113289b3f21b085f830d8332844b4c9d5e4bc
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SHA512
a7a46ef7182314249454f5b62ad10478014b1b8e0424b5716a44e8c212039e53e9cdc7475bb0f92d1459058db2d562bf28da6b04002ddbcb43337db7f59a0591
Malware Config
Extracted
Protocol: smtp- Host:
webmail.saritatravels.com - Port:
587 - Username:
[email protected] - Password:
sameerb%$321
Extracted
agenttesla
Protocol: smtp- Host:
webmail.saritatravels.com - Port:
587 - Username:
[email protected] - Password:
sameerb%$321
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/408-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral2/memory/408-3-0x00000000004471FE-mapping.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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 344 set thread context of 408 344 Neworder20091836pdf.exe 76 -
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.
pid Process 640 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 344 Neworder20091836pdf.exe 408 Neworder20091836pdf.exe 408 Neworder20091836pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 344 Neworder20091836pdf.exe Token: SeDebugPrivilege 408 Neworder20091836pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 408 Neworder20091836pdf.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 344 wrote to memory of 640 344 Neworder20091836pdf.exe 74 PID 344 wrote to memory of 640 344 Neworder20091836pdf.exe 74 PID 344 wrote to memory of 640 344 Neworder20091836pdf.exe 74 PID 344 wrote to memory of 408 344 Neworder20091836pdf.exe 76 PID 344 wrote to memory of 408 344 Neworder20091836pdf.exe 76 PID 344 wrote to memory of 408 344 Neworder20091836pdf.exe 76 PID 344 wrote to memory of 408 344 Neworder20091836pdf.exe 76 PID 344 wrote to memory of 408 344 Neworder20091836pdf.exe 76 PID 344 wrote to memory of 408 344 Neworder20091836pdf.exe 76 PID 344 wrote to memory of 408 344 Neworder20091836pdf.exe 76 PID 344 wrote to memory of 408 344 Neworder20091836pdf.exe 76
Processes
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C:\Users\Admin\AppData\Local\Temp\Neworder20091836pdf.exe"C:\Users\Admin\AppData\Local\Temp\Neworder20091836pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:344 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DdhwUfQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DEE.tmp"2⤵
- Creates scheduled task(s)
PID:640
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C:\Users\Admin\AppData\Local\Temp\Neworder20091836pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:408
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C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exeC:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe1⤵PID:3884