Analysis
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max time kernel
116s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-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
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Target
Bytcentrum New Inquiry #57280_PDF.exe
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Size
717KB
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MD5
08ebb1813895b664712ce4b91d3ae1f7
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SHA1
a2f15bf230124ec8c1cd658a721528e6800e4c9d
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SHA256
a86ebb515972e0290fe78d073a8a057ae65181ffc8f511f2ddcebe1fb9a47a5e
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SHA512
7cddbe02536f43949c33de2e084d38aac8baa42fc628bb5dd73293de26ba7e8bc5b5082d5c24ab3ea5e087e0c493c140b327ef7b88bc1834383c00a89b7ea363
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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
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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:
Bytcentrum New Inquiry #57280_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bytcentrum New Inquiry #57280_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bytcentrum New Inquiry #57280_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\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 2540 set thread context of 1324 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
Bytcentrum New Inquiry #57280_PDF.exeBytcentrum New Inquiry #57280_PDF.exepid process 2540 Bytcentrum New Inquiry #57280_PDF.exe 2540 Bytcentrum New Inquiry #57280_PDF.exe 2540 Bytcentrum New Inquiry #57280_PDF.exe 2540 Bytcentrum New Inquiry #57280_PDF.exe 1324 Bytcentrum New Inquiry #57280_PDF.exe 1324 Bytcentrum New Inquiry #57280_PDF.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Bytcentrum New Inquiry #57280_PDF.exeBytcentrum New Inquiry #57280_PDF.exedescription pid process Token: SeDebugPrivilege 2540 Bytcentrum New Inquiry #57280_PDF.exe Token: SeDebugPrivilege 1324 Bytcentrum New Inquiry #57280_PDF.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
Bytcentrum New Inquiry #57280_PDF.exedescription pid process target process PID 2540 wrote to memory of 336 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 336 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 336 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 3600 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 3600 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 3600 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 1324 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 1324 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 1324 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 1324 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 1324 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 1324 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 1324 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe PID 2540 wrote to memory of 1324 2540 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-1-5-21-1067295379-1486014338-1703171060-1000\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-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bytcentrum New Inquiry #57280_PDF.exe
Processes
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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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540 -
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⤵PID:336
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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⤵PID:3600
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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:1324
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Bytcentrum New Inquiry #57280_PDF.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3