Analysis
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max time kernel
151s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:04
General
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Target
نسخة الدفع. pdf.exe
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Size
497KB
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MD5
f3823acd3e8a4dcf21da8c206e13f257
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SHA1
98f1a9eff1ad1e2f274ac4100e6670f2e95431c6
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SHA256
c315112980543e9046f7b3167586d3a5ba25734aac85679542adaca7867f3ef7
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SHA512
702423cebf17f43925e50244c7caf3255472715caa7f1cb15dfe25dd81da5d6788fcd1bd4aa8f7771821f5ceb0305612f0a0d370b7bb2432349c2bc1a53c2212
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
vikash12345
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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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 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\نسخة الدفع. pdf.exe"C:\Users\Admin\AppData\Local\Temp\نسخة الدفع. pdf.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\XrehCc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B51.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\نسخة الدفع. pdf.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp4B51.tmpFilesize
1KB
MD5321a90ffb78ff2d57fe214346c477711
SHA1b38541425e5683cd766c2fbdbe407dd0656ee65a
SHA25667b8371bb266451782a2493b3e77f150918ebd972737b90548ca981bc1ec9556
SHA5121ada332ca41df56f8d1dfe0780961a4e2d79e7770cfe3dd18ee40fa96a2fea1a323aad80f6d5d801284cd7669ee14dba5d0d4455c36351e78d3fd69ea9d11268
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memory/2600-130-0x0000000000DD0000-0x0000000000E52000-memory.dmpFilesize
520KB
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memory/2600-131-0x0000000005DB0000-0x0000000006354000-memory.dmpFilesize
5.6MB
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memory/2600-132-0x0000000005800000-0x0000000005892000-memory.dmpFilesize
584KB
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memory/2600-133-0x00000000059B0000-0x00000000059BA000-memory.dmpFilesize
40KB
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memory/2600-134-0x0000000007D70000-0x0000000007E0C000-memory.dmpFilesize
624KB
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memory/3404-141-0x0000000000000000-mapping.dmp
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memory/4392-135-0x0000000000000000-mapping.dmp
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memory/5016-137-0x0000000000000000-mapping.dmp
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memory/5016-138-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/5016-139-0x0000000005E00000-0x0000000005E66000-memory.dmpFilesize
408KB
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memory/5016-140-0x0000000006BB0000-0x0000000006C00000-memory.dmpFilesize
320KB