Analysis
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max time kernel
132s -
max time network
124s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
19-10-2021 10:05
Static task
static1
Behavioral task
behavioral1
Sample
21501120100258 RFQ_PDF.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
21501120100258 RFQ_PDF.exe
Resource
win10-en-20210920
General
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Target
21501120100258 RFQ_PDF.exe
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Size
523KB
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MD5
ecca05475f3048ed5d2b4ad2b4613cc2
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SHA1
5e3730879b2f8c38c3811cef6d135f045406d60e
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SHA256
74c28e96289cef60d4a8c5ff350deff3ad83efb794dcb4a1ec599016c3dbbeb1
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SHA512
c634b9a67560559065e888a7520b919e11af72be7e515969cb008e0a849e516df4c87f58766c407d4de3d7d96fa349c6f917c38af5856394f7d683918ecd436d
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.medicare-equipment.com - Port:
587 - Username:
[email protected] - Password:
AllTheBest777
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
Processes:
resource yara_rule behavioral2/memory/3312-129-0x000000000043764E-mapping.dmp family_agenttesla behavioral2/memory/3312-128-0x0000000000400000-0x000000000043C000-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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
21501120100258 RFQ_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 21501120100258 RFQ_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 21501120100258 RFQ_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 21501120100258 RFQ_PDF.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
21501120100258 RFQ_PDF.exedescription pid process target process PID 2116 set thread context of 3312 2116 21501120100258 RFQ_PDF.exe 21501120100258 RFQ_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 4 IoCs
Processes:
21501120100258 RFQ_PDF.exe21501120100258 RFQ_PDF.exepid process 2116 21501120100258 RFQ_PDF.exe 2116 21501120100258 RFQ_PDF.exe 3312 21501120100258 RFQ_PDF.exe 3312 21501120100258 RFQ_PDF.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
21501120100258 RFQ_PDF.exe21501120100258 RFQ_PDF.exedescription pid process Token: SeDebugPrivilege 2116 21501120100258 RFQ_PDF.exe Token: SeDebugPrivilege 3312 21501120100258 RFQ_PDF.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
21501120100258 RFQ_PDF.exe21501120100258 RFQ_PDF.exepid process 2116 21501120100258 RFQ_PDF.exe 2116 21501120100258 RFQ_PDF.exe 3312 21501120100258 RFQ_PDF.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
21501120100258 RFQ_PDF.exedescription pid process target process PID 2116 wrote to memory of 396 2116 21501120100258 RFQ_PDF.exe schtasks.exe PID 2116 wrote to memory of 396 2116 21501120100258 RFQ_PDF.exe schtasks.exe PID 2116 wrote to memory of 396 2116 21501120100258 RFQ_PDF.exe schtasks.exe PID 2116 wrote to memory of 3312 2116 21501120100258 RFQ_PDF.exe 21501120100258 RFQ_PDF.exe PID 2116 wrote to memory of 3312 2116 21501120100258 RFQ_PDF.exe 21501120100258 RFQ_PDF.exe PID 2116 wrote to memory of 3312 2116 21501120100258 RFQ_PDF.exe 21501120100258 RFQ_PDF.exe PID 2116 wrote to memory of 3312 2116 21501120100258 RFQ_PDF.exe 21501120100258 RFQ_PDF.exe PID 2116 wrote to memory of 3312 2116 21501120100258 RFQ_PDF.exe 21501120100258 RFQ_PDF.exe PID 2116 wrote to memory of 3312 2116 21501120100258 RFQ_PDF.exe 21501120100258 RFQ_PDF.exe PID 2116 wrote to memory of 3312 2116 21501120100258 RFQ_PDF.exe 21501120100258 RFQ_PDF.exe PID 2116 wrote to memory of 3312 2116 21501120100258 RFQ_PDF.exe 21501120100258 RFQ_PDF.exe -
outlook_office_path 1 IoCs
Processes:
21501120100258 RFQ_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 21501120100258 RFQ_PDF.exe -
outlook_win_path 1 IoCs
Processes:
21501120100258 RFQ_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 21501120100258 RFQ_PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\21501120100258 RFQ_PDF.exe"C:\Users\Admin\AppData\Local\Temp\21501120100258 RFQ_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NaTTui" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3CF5.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\21501120100258 RFQ_PDF.exe"C:\Users\Admin\AppData\Local\Temp\21501120100258 RFQ_PDF.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\21501120100258 RFQ_PDF.exe.logMD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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memory/396-127-0x0000000000000000-mapping.dmp
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memory/2116-125-0x0000000009980000-0x0000000009981000-memory.dmpFilesize
4KB
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memory/2116-126-0x0000000009A20000-0x0000000009A78000-memory.dmpFilesize
352KB
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memory/2116-121-0x00000000055D0000-0x0000000005ACE000-memory.dmpFilesize
5.0MB
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memory/2116-122-0x00000000098C0000-0x00000000098C8000-memory.dmpFilesize
32KB
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memory/2116-123-0x00000000055D0000-0x0000000005ACE000-memory.dmpFilesize
5.0MB
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memory/2116-124-0x00000000055D0000-0x0000000005ACE000-memory.dmpFilesize
5.0MB
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memory/2116-116-0x0000000000CF0000-0x0000000000CF1000-memory.dmpFilesize
4KB
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memory/2116-120-0x00000000055B0000-0x00000000055B1000-memory.dmpFilesize
4KB
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memory/2116-119-0x00000000055D0000-0x00000000055D1000-memory.dmpFilesize
4KB
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memory/2116-118-0x0000000005AD0000-0x0000000005AD1000-memory.dmpFilesize
4KB
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memory/3312-128-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3312-129-0x000000000043764E-mapping.dmp
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memory/3312-135-0x00000000052A0000-0x00000000052A1000-memory.dmpFilesize
4KB
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memory/3312-136-0x0000000005380000-0x0000000005381000-memory.dmpFilesize
4KB
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memory/3312-137-0x0000000005FB0000-0x0000000005FB1000-memory.dmpFilesize
4KB
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memory/3312-140-0x00000000052A1000-0x00000000052A2000-memory.dmpFilesize
4KB