Analysis
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max time kernel
145s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
27-03-2024 11:01
General
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Target
WARUNKI UMOWY-pdf.exe
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Size
739KB
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MD5
79065c8c4f996baea30bebc6bf7cc616
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SHA1
dbce48ee0e1146f0831542e40e7ca8eac967619e
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SHA256
326cd3ed29e56d54e045a0bc9ba0a85fb6d39f6d01dcd553754295556827d3f6
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SHA512
1b6a608aeb90671bcc350c17a7f21efedc552aca914af3ef260625bfcab7cdda92db04c34e2074525eb9f9000d0a3bf0fce574bcb019010c7250a78f42e78b8e
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SSDEEP
6144:E5lz/i8Ta7q5IMHhyqOTUJtQByogYXroFAegt8mTyGyQmHEdGxgg5ic9rAy:Mo97q5nhy10AyPWIbmTywmHBjLrAy
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 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\WARUNKI UMOWY-pdf.exe"C:\Users\Admin\AppData\Local\Temp\WARUNKI UMOWY-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\WARUNKI UMOWY-pdf.exe"C:\Users\Admin\AppData\Local\Temp\WARUNKI UMOWY-pdf.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\nsd1B5E.tmp\System.dllFilesize
12KB
MD50d7ad4f45dc6f5aa87f606d0331c6901
SHA148df0911f0484cbe2a8cdd5362140b63c41ee457
SHA2563eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
SHA512c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
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memory/2632-18-0x00000000004B0000-0x00000000004F2000-memory.dmpFilesize
264KB
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memory/2632-13-0x00000000770A0000-0x0000000077249000-memory.dmpFilesize
1.7MB
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memory/2632-14-0x00000000772C6000-0x00000000772C7000-memory.dmpFilesize
4KB
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memory/2632-15-0x00000000004B0000-0x0000000001512000-memory.dmpFilesize
16.4MB
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memory/2632-16-0x00000000004B0000-0x0000000001512000-memory.dmpFilesize
16.4MB
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memory/2632-17-0x0000000077290000-0x0000000077366000-memory.dmpFilesize
856KB
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memory/2632-19-0x0000000073AD0000-0x00000000741BE000-memory.dmpFilesize
6.9MB
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memory/2632-20-0x0000000036940000-0x0000000036980000-memory.dmpFilesize
256KB
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memory/2632-23-0x0000000073AD0000-0x00000000741BE000-memory.dmpFilesize
6.9MB
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memory/2632-24-0x0000000036940000-0x0000000036980000-memory.dmpFilesize
256KB
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memory/2936-11-0x0000000077290000-0x0000000077366000-memory.dmpFilesize
856KB
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memory/2936-12-0x0000000074BA0000-0x0000000074BA7000-memory.dmpFilesize
28KB
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memory/2936-10-0x00000000770A0000-0x0000000077249000-memory.dmpFilesize
1.7MB