Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
29-03-2024 05:00
General
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Target
Termenii Contractului-pdf.exe
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Size
749KB
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MD5
fe74d6d768032267db6130c0ab9ecae9
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SHA1
fba0b666eeffbb7364dc0f643ec3fe30e139008d
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SHA256
ccab68b5a4548b426960ac5e57511c5511f84868bb28b8a5ebd080632b5cf815
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SHA512
40e544bba9caa89907c36203b78153ddebeefe4c679008c3211020f2d8c51aa691e5cd234bd755097ebf13beccf3d09f678b186289c41c691cb04e364b8d2c42
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SSDEEP
12288:Mo94dD9N0iHdGHRsl1Rqep97+ImTywmHBjLrAP:MG47N/GsDRhzPwOrAP
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.fredy.ee - Port:
21 - Username:
[email protected] - Password:
playingboyz231
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Loads dropped DLL 1 IoCs
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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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Drops file in System32 directory 1 IoCs
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Termenii Contractului-pdf.exe"C:\Users\Admin\AppData\Local\Temp\Termenii Contractului-pdf.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Termenii Contractului-pdf.exe"C:\Users\Admin\AppData\Local\Temp\Termenii Contractului-pdf.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\nsr637E.tmp\System.dllFilesize
12KB
MD50d7ad4f45dc6f5aa87f606d0331c6901
SHA148df0911f0484cbe2a8cdd5362140b63c41ee457
SHA2563eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
SHA512c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
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memory/1920-9-0x0000000077461000-0x0000000077581000-memory.dmpFilesize
1.1MB
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memory/1920-10-0x00000000742C0000-0x00000000742C7000-memory.dmpFilesize
28KB
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memory/2944-11-0x00000000774E8000-0x00000000774E9000-memory.dmpFilesize
4KB
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memory/2944-12-0x0000000077505000-0x0000000077506000-memory.dmpFilesize
4KB
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memory/2944-13-0x00000000004B0000-0x0000000001704000-memory.dmpFilesize
18.3MB
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memory/2944-14-0x0000000077461000-0x0000000077581000-memory.dmpFilesize
1.1MB
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memory/2944-16-0x00000000004B0000-0x00000000004F2000-memory.dmpFilesize
264KB
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memory/2944-15-0x0000000071C80000-0x0000000072430000-memory.dmpFilesize
7.7MB
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memory/2944-17-0x0000000038E50000-0x00000000393F4000-memory.dmpFilesize
5.6MB
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memory/2944-18-0x0000000038E10000-0x0000000038E20000-memory.dmpFilesize
64KB
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memory/2944-19-0x0000000038D90000-0x0000000038DF6000-memory.dmpFilesize
408KB
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memory/2944-20-0x0000000039A00000-0x0000000039A50000-memory.dmpFilesize
320KB
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memory/2944-21-0x0000000039A60000-0x0000000039AF2000-memory.dmpFilesize
584KB
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memory/2944-22-0x0000000039B40000-0x0000000039B4A000-memory.dmpFilesize
40KB
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memory/2944-25-0x0000000071C80000-0x0000000072430000-memory.dmpFilesize
7.7MB
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memory/2944-26-0x0000000038E10000-0x0000000038E20000-memory.dmpFilesize
64KB