Analysis
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max time kernel
198s -
max time network
167s -
platform
windows7_x64 -
resource
win7-20240215-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 SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 6 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
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C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"1⤵
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEventsFilesize
3KB
MD54738da620f4b4efb0b89e4320481df39
SHA1e2e55c7e49d0e20e7263d57c7732b07bd3e3d94a
SHA2565309dc04661daf502b39f747c43de3b19ac714ef6be6e78d6a8318988914f9fe
SHA512556202be36445c34d89da7dbeeb4cefa5d61d3fa2a64bc38d8864b34e8d7a0a2a02b9486c194a22d8cf9f9197b253c1843270209b8e812e978cb7e6358da3f5f
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\Users\Admin\AppData\Local\Temp\nso1A17.tmp\System.dllFilesize
12KB
MD50d7ad4f45dc6f5aa87f606d0331c6901
SHA148df0911f0484cbe2a8cdd5362140b63c41ee457
SHA2563eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
SHA512c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
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memory/2008-10-0x00000000775A0000-0x0000000077749000-memory.dmpFilesize
1.7MB
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memory/2008-35-0x0000000077790000-0x0000000077866000-memory.dmpFilesize
856KB
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memory/2008-36-0x0000000074C60000-0x0000000074C67000-memory.dmpFilesize
28KB
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memory/2476-38-0x00000000777C6000-0x00000000777C7000-memory.dmpFilesize
4KB
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memory/2476-37-0x00000000775A0000-0x0000000077749000-memory.dmpFilesize
1.7MB
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memory/2476-39-0x00000000004B0000-0x0000000001512000-memory.dmpFilesize
16.4MB
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memory/2476-41-0x0000000077790000-0x0000000077866000-memory.dmpFilesize
856KB
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memory/2476-43-0x0000000073FD0000-0x00000000746BE000-memory.dmpFilesize
6.9MB
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memory/2476-42-0x00000000004B0000-0x00000000004F2000-memory.dmpFilesize
264KB
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memory/2476-44-0x0000000039190000-0x00000000391D0000-memory.dmpFilesize
256KB
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memory/2476-47-0x0000000073FD0000-0x00000000746BE000-memory.dmpFilesize
6.9MB