Analysis
- max time kernel
117s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
04/04/2023, 10:59
General
- Target a6ffd66b9b3aa45638bee7e9a43b1110d2ae5b42fd10d0ff316a454ed3ef1d49.exe
- Size 777KB
- Sample230404-m3dvdsed59
- SHA256 a6ffd66b9b3aa45638bee7e9a43b1110d2ae5b42fd10d0ff316a454ed3ef1d49
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.binex.com.my
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Port
587
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Username
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Password
binex#123
Extracted
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agenttesla
-
Protocol
smtp
-
Host
mail.binex.com.my
-
Port
587
-
Username
-
Password
binex#123
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a6ffd66b9b3aa45638bee7e9a43b1110d2ae5b42fd10d0ff316a454ed3ef1d49.exe"C:\Users\Admin\AppData\Local\Temp\a6ffd66b9b3aa45638bee7e9a43b1110d2ae5b42fd10d0ff316a454ed3ef1d49.exe"1⤵
- 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\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mySOgyLJvA.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mySOgyLJvA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp79A4.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\a6ffd66b9b3aa45638bee7e9a43b1110d2ae5b42fd10d0ff316a454ed3ef1d49.exe"C:\Users\Admin\AppData\Local\Temp\a6ffd66b9b3aa45638bee7e9a43b1110d2ae5b42fd10d0ff316a454ed3ef1d49.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
a6ffd66b9b3aa45638bee7e9a43b1110d2ae5b42fd10d0ff316a454ed3ef1d49.exe.log
__PSScriptPolicyTest_gauash4t.ydq.ps1
tmp79A4.tmp
memory/1104-146-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1104-164-0x0000000005150000-0x0000000005160000-memory.dmp
memory/1104-188-0x0000000005150000-0x0000000005160000-memory.dmp
memory/1104-151-0x0000000005010000-0x0000000005076000-memory.dmp
memory/1104-189-0x0000000006BF0000-0x0000000006C40000-memory.dmp
memory/1104-190-0x0000000006E10000-0x0000000006FD2000-memory.dmp
memory/2252-137-0x00000000052B0000-0x00000000052C0000-memory.dmp
memory/2252-133-0x00000000006D0000-0x0000000000798000-memory.dmp
memory/2252-139-0x0000000006DE0000-0x0000000006E7C000-memory.dmp
memory/2252-138-0x00000000052B0000-0x00000000052C0000-memory.dmp
memory/2252-136-0x0000000005210000-0x000000000521A000-memory.dmp
memory/2252-135-0x0000000005160000-0x00000000051F2000-memory.dmp
memory/2252-134-0x0000000005670000-0x0000000005C14000-memory.dmp
memory/4624-145-0x0000000002A10000-0x0000000002A46000-memory.dmp
memory/4624-180-0x0000000007610000-0x000000000762A000-memory.dmp
memory/4624-153-0x0000000005400000-0x0000000005466000-memory.dmp
memory/4624-165-0x0000000002AE0000-0x0000000002AF0000-memory.dmp
memory/4624-166-0x000000007FA50000-0x000000007FA60000-memory.dmp
memory/4624-167-0x00000000072B0000-0x00000000072E2000-memory.dmp
memory/4624-168-0x0000000070FD0000-0x000000007101C000-memory.dmp
memory/4624-178-0x0000000007270000-0x000000000728E000-memory.dmp
memory/4624-179-0x0000000007C60000-0x00000000082DA000-memory.dmp
memory/4624-163-0x0000000006210000-0x000000000622E000-memory.dmp
memory/4624-181-0x0000000007680000-0x000000000768A000-memory.dmp
memory/4624-182-0x0000000007890000-0x0000000007926000-memory.dmp
memory/4624-183-0x0000000007840000-0x000000000784E000-memory.dmp
memory/4624-184-0x0000000007950000-0x000000000796A000-memory.dmp
memory/4624-185-0x0000000007930000-0x0000000007938000-memory.dmp
memory/4624-152-0x0000000005360000-0x0000000005382000-memory.dmp
memory/4624-150-0x0000000002AE0000-0x0000000002AF0000-memory.dmp
memory/4624-149-0x0000000005470000-0x0000000005A98000-memory.dmp