Analysis
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max time kernel
149s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 11:17
General
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Target
News-Update.scr
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Size
566KB
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MD5
8db27a63baec87e325fe3245f6778790
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SHA1
c639dd9daf6f010142a37ef1fac0fbd8a00c3efd
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SHA256
8c254637c5c98fe6755a44e5ea6feba18d0a17c4ad53e8d791277390060c29e5
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SHA512
423c2b2d5400079f21025c5c2f0242aba1aeaa3fd9844b06678246e20fc65ae027dbad161ddbb2be10ca61fa992903b21e0d29cd3c415145b760e047377c1201
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 15 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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 SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 14 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\News-Update.scr"C:\Users\Admin\AppData\Local\Temp\News-Update.scr" /S1⤵
- Checks computer location settings
- 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\YThapGcLkG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D38.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\News-Update.scr"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\News-Update.scr"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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\Microsoft\CLR_v4.0_32\UsageLogs\News-Update.scr.logFilesize
507B
MD576ffb2f33cb32ade8fc862a67599e9d8
SHA1920cc4ab75b36d2f9f6e979b74db568973c49130
SHA256f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310
SHA512f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e
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C:\Users\Admin\AppData\Local\Temp\tmp3D38.tmpFilesize
1KB
MD5a7320f51b18d085bc3ada35a65ba81f0
SHA1d73b39dfd25703a9a400a8add5dcb2436dfa4a0e
SHA256a3097c1ca7da63b09631e2bec10b40b59e989264d132f37eddd5a00f6e392982
SHA512b661ef45406f5a0276bd4860ee7372878a3af26dabeda70cb7c810fd38bdf169aaf9c8af974924b1f8e9d9fa0a133aafc5b8f8e2b1baf07c1f18431f6b98aa8a
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memory/916-134-0x0000000000000000-mapping.dmp
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memory/1384-151-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-152-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-163-0x0000000006A30000-0x0000000006A3A000-memory.dmpFilesize
40KB
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memory/1384-162-0x00000000070C0000-0x0000000007110000-memory.dmpFilesize
320KB
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memory/1384-137-0x0000000000000000-mapping.dmp
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memory/1384-138-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-161-0x0000000006280000-0x00000000062E6000-memory.dmpFilesize
408KB
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memory/1384-141-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-142-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-143-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-144-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-145-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-146-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-147-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-149-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-160-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-158-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-155-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1384-157-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2944-133-0x0000000007910000-0x00000000079AC000-memory.dmpFilesize
624KB
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memory/2944-130-0x00000000008B0000-0x0000000000944000-memory.dmpFilesize
592KB
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memory/2944-131-0x0000000007CA0000-0x0000000008244000-memory.dmpFilesize
5.6MB
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memory/2944-132-0x00000000077D0000-0x0000000007862000-memory.dmpFilesize
584KB
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memory/4812-136-0x0000000000000000-mapping.dmp