Analysis
-
max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
01-12-2023 06:49
Static task
static1
Behavioral task
behavioral1
Sample
Bytcentrum New Inquiry #57280_PDF.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
Bytcentrum New Inquiry #57280_PDF.exe
Resource
win10v2004-20231127-en
General
-
Target
Bytcentrum New Inquiry #57280_PDF.exe
-
Size
717KB
-
MD5
08ebb1813895b664712ce4b91d3ae1f7
-
SHA1
a2f15bf230124ec8c1cd658a721528e6800e4c9d
-
SHA256
a86ebb515972e0290fe78d073a8a057ae65181ffc8f511f2ddcebe1fb9a47a5e
-
SHA512
7cddbe02536f43949c33de2e084d38aac8baa42fc628bb5dd73293de26ba7e8bc5b5082d5c24ab3ea5e087e0c493c140b327ef7b88bc1834383c00a89b7ea363
-
SSDEEP
12288:ptHnV7rD6PuHzDDGrqMaofNbWQUIHs3siRN:t3DXX4qMaybXBwsi7
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.rmmarine.com.sg - Port:
587 - Username:
[email protected] - Password:
Rmms201809 - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
Bytcentrum New Inquiry #57280_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bytcentrum New Inquiry #57280_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bytcentrum New Inquiry #57280_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bytcentrum New Inquiry #57280_PDF.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Bytcentrum New Inquiry #57280_PDF.exedescription pid process target process PID 2204 set thread context of 2932 2204 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Bytcentrum New Inquiry #57280_PDF.exepid process 2932 Bytcentrum New Inquiry #57280_PDF.exe 2932 Bytcentrum New Inquiry #57280_PDF.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Bytcentrum New Inquiry #57280_PDF.exedescription pid process Token: SeDebugPrivilege 2932 Bytcentrum New Inquiry #57280_PDF.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Bytcentrum New Inquiry #57280_PDF.exedescription pid process target process PID 2204 wrote to memory of 2932 2204 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2204 wrote to memory of 2932 2204 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2204 wrote to memory of 2932 2204 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2204 wrote to memory of 2932 2204 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2204 wrote to memory of 2932 2204 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2204 wrote to memory of 2932 2204 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2204 wrote to memory of 2932 2204 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2204 wrote to memory of 2932 2204 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2204 wrote to memory of 2932 2204 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe -
outlook_office_path 1 IoCs
Processes:
Bytcentrum New Inquiry #57280_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bytcentrum New Inquiry #57280_PDF.exe -
outlook_win_path 1 IoCs
Processes:
Bytcentrum New Inquiry #57280_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bytcentrum New Inquiry #57280_PDF.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Bytcentrum New Inquiry #57280_PDF.exe"C:\Users\Admin\AppData\Local\Temp\Bytcentrum New Inquiry #57280_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Users\Admin\AppData\Local\Temp\Bytcentrum New Inquiry #57280_PDF.exe"C:\Users\Admin\AppData\Local\Temp\Bytcentrum New Inquiry #57280_PDF.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2932