Analysis
- max time kernel
147s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
19/04/2023, 08:37
General
- Target new-order_20191102_073809_405251-PDF.exe
- Size 730KB
- Sample230419-kh522abc2w
- SHA256 b4360f2d64d4b59c5dd1b56ccb7ed8233eeddd871fff3dd4ca9f9bead820cdb8
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 2 IoCs
- 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.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\new-order_20191102_073809_405251-PDF.exe"C:\Users\Admin\AppData\Local\Temp\new-order_20191102_073809_405251-PDF.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ftqjwve.exe"C:\Users\Admin\AppData\Local\Temp\ftqjwve.exe" C:\Users\Admin\AppData\Local\Temp\kmsiwtjwgxf.ksq2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ftqjwve.exe"C:\Users\Admin\AppData\Local\Temp\ftqjwve.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
cagtsze.nme
ftqjwve.exe
ftqjwve.exe
ftqjwve.exe
kmsiwtjwgxf.ksq
memory/484-140-0x00000000021D0000-0x00000000021D2000-memory.dmp
memory/4664-150-0x0000000004950000-0x0000000004960000-memory.dmp
memory/4664-153-0x0000000004950000-0x0000000004960000-memory.dmp
memory/4664-145-0x0000000000400000-0x0000000000441000-memory.dmp
memory/4664-147-0x0000000000400000-0x0000000000441000-memory.dmp
memory/4664-148-0x0000000004970000-0x0000000004F14000-memory.dmp
memory/4664-149-0x0000000004950000-0x0000000004960000-memory.dmp
memory/4664-142-0x0000000000400000-0x0000000000441000-memory.dmp
memory/4664-151-0x0000000004950000-0x0000000004960000-memory.dmp
memory/4664-152-0x0000000004FB0000-0x0000000005016000-memory.dmp
memory/4664-144-0x0000000000400000-0x0000000000441000-memory.dmp
memory/4664-154-0x0000000006040000-0x00000000060D2000-memory.dmp
memory/4664-155-0x00000000062C0000-0x00000000062CA000-memory.dmp
memory/4664-156-0x0000000005E80000-0x0000000005ED0000-memory.dmp
memory/4664-158-0x0000000006390000-0x0000000006552000-memory.dmp
memory/4664-159-0x0000000004950000-0x0000000004960000-memory.dmp
memory/4664-160-0x0000000004950000-0x0000000004960000-memory.dmp
memory/4664-161-0x0000000004950000-0x0000000004960000-memory.dmp
memory/4664-162-0x0000000004950000-0x0000000004960000-memory.dmp