Analysis
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max time kernel
174s -
max time network
216s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
30-05-2022 18:11
General
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Target
098f0abe6aa81a26b7f8c7377b673da27b639e19444633161a487d07428abc1d.exe
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Size
469KB
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MD5
61c1a54a3e28bdbba33206f53d116605
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SHA1
47af2a90883e0fc55adb5d2e6b26a00157bc657d
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SHA256
098f0abe6aa81a26b7f8c7377b673da27b639e19444633161a487d07428abc1d
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SHA512
4ca2e5e8f288ef8f50bb04800f98835dce69b2d1e786cba483b44d43d3b745fdaf1697ce0682d117e73197c0db3b6beea2ebe95eb95eb7b920107b9a13ac7bd7
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.pipingzone.com - Port:
587 - Username:
sales@pipingzone.com - Password:
PQ^vN@^wm6
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 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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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 2 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 11 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\098f0abe6aa81a26b7f8c7377b673da27b639e19444633161a487d07428abc1d.exe"C:\Users\Admin\AppData\Local\Temp\098f0abe6aa81a26b7f8c7377b673da27b639e19444633161a487d07428abc1d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TKhNlNc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9172.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\098f0abe6aa81a26b7f8c7377b673da27b639e19444633161a487d07428abc1d.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- 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\tmp9172.tmpFilesize
1KB
MD5f522c0005c2e6c40f61d4fe015c96427
SHA1ede49823584f19dc7eab98dea51c3317cd251a99
SHA25620ed5982f47cf9578f0464a44b67bde94fef3a47607b6e4da9faef6c1dc5a4a6
SHA5125434843de1c6f4e1be71fa577a07b8ae17939546d99ca373ba999aa6f63afc13a3b4f9e708ddabe6ac211034ca47ccb6cc3233810a3935082db88cffc814e912
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memory/3680-135-0x0000000000000000-mapping.dmp
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memory/3716-137-0x0000000000000000-mapping.dmp
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memory/3716-138-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/3716-139-0x0000000006330000-0x0000000006396000-memory.dmpFilesize
408KB
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memory/3716-140-0x00000000069D0000-0x0000000006A20000-memory.dmpFilesize
320KB
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memory/4220-130-0x00000000002D0000-0x000000000034C000-memory.dmpFilesize
496KB
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memory/4220-131-0x00000000051F0000-0x0000000005794000-memory.dmpFilesize
5.6MB
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memory/4220-132-0x0000000004D20000-0x0000000004DB2000-memory.dmpFilesize
584KB
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memory/4220-133-0x0000000004D10000-0x0000000004D1A000-memory.dmpFilesize
40KB
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memory/4220-134-0x00000000071E0000-0x000000000727C000-memory.dmpFilesize
624KB