Analysis
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max time kernel
113s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 12:41
General
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Target
cotización.PDF________________________.exe
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Size
527KB
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MD5
e73d435515fa8765d7a2992758ad2ef9
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SHA1
277c4e77aabffda266061e0a18f3017bd77a9e71
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SHA256
e1cc292b3eb8e646e0c778966a3150d2f278e1394059cf31106301bb003d273f
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SHA512
a833faf13c4536bffe2c1009d9bbc2185de55737445281bc3d909e231fff27573ce88bfb7412a1eb6c15b2a396a8cef1b5cfdb8e4c9006f2699bd46ca80f8c52
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 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). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\cotización.PDF________________________.exe"C:\Users\Admin\AppData\Local\Temp\cotización.PDF________________________.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XZatKmg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6AA.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\cotización.PDF________________________.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpC6AA.tmpFilesize
1KB
MD5de3adad5a89dbd9f2984bf1ae3d5bd80
SHA13351d363818b2175a9f0d6e774b485bfc957a649
SHA2562bebf740604cf74ad28b941950ed22e3b3349ecf4bb37e0d4ff79ee29869a216
SHA512874730ba6c0147faf1e68f61baa97ca567de73562200160aa7f8992b558be4186a9ceb54153c5d22a4a4f141ca760babd4176b1458afb7c5247fa76563e1a092
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memory/532-54-0x0000000075711000-0x0000000075713000-memory.dmpFilesize
8KB
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memory/532-55-0x0000000073FD0000-0x000000007457B000-memory.dmpFilesize
5.7MB
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memory/852-56-0x0000000000000000-mapping.dmp
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memory/2020-63-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/2020-64-0x00000000004547FE-mapping.dmp
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memory/2020-59-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/2020-62-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/2020-61-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/2020-58-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/2020-68-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/2020-66-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/2020-70-0x0000000073FD0000-0x000000007457B000-memory.dmpFilesize
5.7MB