Analysis
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max time kernel
114s -
max time network
120s -
platform
windows7_x64 -
resource
win7 -
submitted
08-07-2020 06:33
Static task
static1
Behavioral task
behavioral1
Sample
InquiryPo 08 07 020_PDF.exe
Resource
win7
Behavioral task
behavioral2
Sample
InquiryPo 08 07 020_PDF.exe
Resource
win10
General
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Target
InquiryPo 08 07 020_PDF.exe
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Size
874KB
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MD5
4f7a9ac854a2f793af939a85e0907a50
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SHA1
ec1fc7da2d96b18e09cb5fad0f65fdf344bcb901
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SHA256
033e072066199b1ad85444191f19a03d8b15ec628930b4e86d7b5fb5e0a0baae
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SHA512
8889dce81db6b401f1c20c202d41d0e926969f834a7892f2b73c217f19f591cd8bc993a4e069a2bad485cc6103638e36c3774701846b96140cc4da7adc748a8c
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.mosaiclayouts.com - Port:
587 - Username:
[email protected] - Password:
UY$W4+]^+9;)7CF5
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
Processes:
resource yara_rule behavioral1/memory/540-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/540-5-0x000000000044797E-mapping.dmp family_agenttesla behavioral1/memory/540-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/540-7-0x0000000000400000-0x000000000044C000-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
Processes:
InquiryPo 08 07 020_PDF.exedescription pid process target process PID 1124 set thread context of 540 1124 InquiryPo 08 07 020_PDF.exe InquiryPo 08 07 020_PDF.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 2 IoCs
Processes:
InquiryPo 08 07 020_PDF.exepid process 540 InquiryPo 08 07 020_PDF.exe 540 InquiryPo 08 07 020_PDF.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
InquiryPo 08 07 020_PDF.exeInquiryPo 08 07 020_PDF.exedescription pid process Token: SeDebugPrivilege 1124 InquiryPo 08 07 020_PDF.exe Token: SeDebugPrivilege 540 InquiryPo 08 07 020_PDF.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
InquiryPo 08 07 020_PDF.exepid process 540 InquiryPo 08 07 020_PDF.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
InquiryPo 08 07 020_PDF.exedescription pid process target process PID 1124 wrote to memory of 912 1124 InquiryPo 08 07 020_PDF.exe schtasks.exe PID 1124 wrote to memory of 912 1124 InquiryPo 08 07 020_PDF.exe schtasks.exe PID 1124 wrote to memory of 912 1124 InquiryPo 08 07 020_PDF.exe schtasks.exe PID 1124 wrote to memory of 912 1124 InquiryPo 08 07 020_PDF.exe schtasks.exe PID 1124 wrote to memory of 540 1124 InquiryPo 08 07 020_PDF.exe InquiryPo 08 07 020_PDF.exe PID 1124 wrote to memory of 540 1124 InquiryPo 08 07 020_PDF.exe InquiryPo 08 07 020_PDF.exe PID 1124 wrote to memory of 540 1124 InquiryPo 08 07 020_PDF.exe InquiryPo 08 07 020_PDF.exe PID 1124 wrote to memory of 540 1124 InquiryPo 08 07 020_PDF.exe InquiryPo 08 07 020_PDF.exe PID 1124 wrote to memory of 540 1124 InquiryPo 08 07 020_PDF.exe InquiryPo 08 07 020_PDF.exe PID 1124 wrote to memory of 540 1124 InquiryPo 08 07 020_PDF.exe InquiryPo 08 07 020_PDF.exe PID 1124 wrote to memory of 540 1124 InquiryPo 08 07 020_PDF.exe InquiryPo 08 07 020_PDF.exe PID 1124 wrote to memory of 540 1124 InquiryPo 08 07 020_PDF.exe InquiryPo 08 07 020_PDF.exe PID 1124 wrote to memory of 540 1124 InquiryPo 08 07 020_PDF.exe InquiryPo 08 07 020_PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\InquiryPo 08 07 020_PDF.exe"C:\Users\Admin\AppData\Local\Temp\InquiryPo 08 07 020_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ueZzAScceWp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp845B.tmp"2⤵
- Creates scheduled task(s)
PID:912 -
C:\Users\Admin\AppData\Local\Temp\InquiryPo 08 07 020_PDF.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:540
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
74d6f19f3a452f9f8af8cfdffa3707c5
SHA14a9f73da46ad6b612ca266f7fa6efda89263f046
SHA256f1c5eb7bea77ddb86c863e93226741c973bbe2ba8600498d12671f5e96cce722
SHA512db7beafa918fee6205418369a5f898eecae5d2cf37d903d490e3d3a472a73e923da565668582c1aca92e52b9049a62ec4a38f25673e0f369f54863795a4597ce