Analysis
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max time kernel
149s -
max time network
29s -
platform
windows7_x64 -
resource
win7v200430 -
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
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 4 IoCs
resource yara_rule behavioral1/memory/1756-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1756-3-0x00000000004471FE-mapping.dmp family_agenttesla behavioral1/memory/1756-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1756-5-0x0000000000400000-0x000000000044C000-memory.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 1356 set thread context of 1756 1356 Neworder20091836pdf.exe 30 -
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 1812 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1356 Neworder20091836pdf.exe 1356 Neworder20091836pdf.exe 1356 Neworder20091836pdf.exe 1756 Neworder20091836pdf.exe 1756 Neworder20091836pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1356 Neworder20091836pdf.exe Token: SeDebugPrivilege 1756 Neworder20091836pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1756 Neworder20091836pdf.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1356 wrote to memory of 1812 1356 Neworder20091836pdf.exe 26 PID 1356 wrote to memory of 1812 1356 Neworder20091836pdf.exe 26 PID 1356 wrote to memory of 1812 1356 Neworder20091836pdf.exe 26 PID 1356 wrote to memory of 1812 1356 Neworder20091836pdf.exe 26 PID 1356 wrote to memory of 1764 1356 Neworder20091836pdf.exe 28 PID 1356 wrote to memory of 1764 1356 Neworder20091836pdf.exe 28 PID 1356 wrote to memory of 1764 1356 Neworder20091836pdf.exe 28 PID 1356 wrote to memory of 1764 1356 Neworder20091836pdf.exe 28 PID 1356 wrote to memory of 1772 1356 Neworder20091836pdf.exe 29 PID 1356 wrote to memory of 1772 1356 Neworder20091836pdf.exe 29 PID 1356 wrote to memory of 1772 1356 Neworder20091836pdf.exe 29 PID 1356 wrote to memory of 1772 1356 Neworder20091836pdf.exe 29 PID 1356 wrote to memory of 1756 1356 Neworder20091836pdf.exe 30 PID 1356 wrote to memory of 1756 1356 Neworder20091836pdf.exe 30 PID 1356 wrote to memory of 1756 1356 Neworder20091836pdf.exe 30 PID 1356 wrote to memory of 1756 1356 Neworder20091836pdf.exe 30 PID 1356 wrote to memory of 1756 1356 Neworder20091836pdf.exe 30 PID 1356 wrote to memory of 1756 1356 Neworder20091836pdf.exe 30 PID 1356 wrote to memory of 1756 1356 Neworder20091836pdf.exe 30 PID 1356 wrote to memory of 1756 1356 Neworder20091836pdf.exe 30 PID 1356 wrote to memory of 1756 1356 Neworder20091836pdf.exe 30
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:1356 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DdhwUfQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7EF.tmp"2⤵
- Creates scheduled task(s)
PID:1812
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C:\Users\Admin\AppData\Local\Temp\Neworder20091836pdf.exe"{path}"2⤵PID:1764
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C:\Users\Admin\AppData\Local\Temp\Neworder20091836pdf.exe"{path}"2⤵PID:1772
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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:1756
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