Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
31/01/2023, 08:53
General
- Target 1-18 Produkte aufgelistet.exe
- Size 608KB
- Sample230131-ktb84aff98
- SHA256 76f2e24151a110b474722868aa411baf79605bb0802afd3eb29b1e91217c04dd
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.eurekapools.com.my
-
Port
587
-
Username
-
Password
%Ach8899@!an
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 2 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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1-18 Produkte aufgelistet.exe"C:\Users\Admin\AppData\Local\Temp\1-18 Produkte aufgelistet.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\Local\Temp\1-18 Produkte aufgelistet.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QQtEftZ.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\QQtEftZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1945.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\1-18 Produkte aufgelistet.exe"C:\Users\Admin\AppData\Local\Temp\1-18 Produkte aufgelistet.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
tmp1945.tmp
memory/1800-133-0x0000000005660000-0x0000000005C04000-memory.dmp
memory/1800-134-0x0000000005150000-0x00000000051E2000-memory.dmp
memory/1800-135-0x00000000050D0000-0x00000000050DA000-memory.dmp
memory/1800-136-0x00000000074F0000-0x000000000758C000-memory.dmp
memory/1800-132-0x0000000000690000-0x000000000072C000-memory.dmp
memory/1824-145-0x0000000005390000-0x00000000053B2000-memory.dmp
memory/1824-154-0x0000000007650000-0x000000000766A000-memory.dmp
memory/1824-142-0x00000000054C0000-0x0000000005AE8000-memory.dmp
memory/1824-158-0x0000000007990000-0x00000000079AA000-memory.dmp
memory/1824-157-0x0000000007880000-0x000000000788E000-memory.dmp
memory/1824-156-0x00000000078D0000-0x0000000007966000-memory.dmp
memory/1824-147-0x0000000005AF0000-0x0000000005B56000-memory.dmp
memory/1824-148-0x0000000006350000-0x000000000636E000-memory.dmp
memory/1824-149-0x0000000006910000-0x0000000006942000-memory.dmp
memory/1824-151-0x0000000075840000-0x000000007588C000-memory.dmp
memory/1824-155-0x00000000076C0000-0x00000000076CA000-memory.dmp
memory/1824-152-0x00000000068F0000-0x000000000690E000-memory.dmp
memory/3720-146-0x00000000057C0000-0x0000000005826000-memory.dmp
memory/3720-153-0x0000000007F20000-0x000000000859A000-memory.dmp
memory/3720-150-0x0000000075840000-0x000000007588C000-memory.dmp
memory/3720-140-0x0000000002CB0000-0x0000000002CE6000-memory.dmp
memory/3720-159-0x0000000007C00000-0x0000000007C08000-memory.dmp
memory/4660-144-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4660-162-0x0000000006F40000-0x0000000006F90000-memory.dmp