Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
11/09/2024, 01:33
General
- Target arpReport.exe
- Size 189KB
- Sample240911-bysbfaxarf
- SHA256 6840e6e2a2b4555db025c331b41d426387e8d6397fd5917fad29d3893fb1886f
Malware Config
Signatures
- Detects PlugX payload 22 IoCs
- PlugX
PlugX is a RAT (Remote Access Trojan) that has been around since 2008.
- Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Deletes itself 1 IoCs
- Drops file in Program Files directory 7 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 2 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious use of AdjustPrivilegeToken 10 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\arpReport.exe"C:\Users\Admin\AppData\Local\Temp\arpReport.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arpReport.exe"C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arpReport.exe" 100 19721⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arpReport.exe"C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arpReport.exe" 200 01⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\Dism.exeC:\Windows\system32\Dism.exe 201 02⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\msdt.exeC:\Windows\system32\msdt.exe 209 21283⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
DIFxAPI.bpl
arpReport.exe
arphadump.dll
memory/1848-41-0x0000000000340000-0x0000000000376000-memory.dmp
memory/1848-37-0x0000000000340000-0x0000000000376000-memory.dmp
memory/1972-57-0x0000000000A50000-0x0000000000A86000-memory.dmp
memory/1972-2-0x0000000000A50000-0x0000000000A86000-memory.dmp
memory/1972-0-0x0000000001290000-0x0000000001390000-memory.dmp
memory/1972-5-0x0000000000A50000-0x0000000000A86000-memory.dmp
memory/1972-4-0x0000000000A50000-0x0000000000A86000-memory.dmp
memory/2128-38-0x0000000000FD0000-0x0000000000FD1000-memory.dmp
memory/2128-40-0x0000000001A40000-0x0000000001A76000-memory.dmp
memory/2128-71-0x0000000001A40000-0x0000000001A76000-memory.dmp
memory/2128-42-0x0000000001A40000-0x0000000001A76000-memory.dmp
memory/2128-55-0x0000000001A40000-0x0000000001A76000-memory.dmp
memory/2128-52-0x0000000000FD0000-0x0000000000FD1000-memory.dmp
memory/2128-54-0x0000000001A40000-0x0000000001A76000-memory.dmp
memory/2128-53-0x0000000001A40000-0x0000000001A76000-memory.dmp
memory/2128-58-0x0000000001A40000-0x0000000001A76000-memory.dmp
memory/2128-60-0x0000000001A40000-0x0000000001A76000-memory.dmp
memory/2252-30-0x00000000005F0000-0x0000000000626000-memory.dmp
memory/2252-64-0x00000000005F0000-0x0000000000626000-memory.dmp
memory/2252-28-0x00000000005F0000-0x0000000000626000-memory.dmp
memory/4552-65-0x0000000002660000-0x0000000002696000-memory.dmp
memory/4552-70-0x0000000002660000-0x0000000002696000-memory.dmp
memory/4552-69-0x0000000002660000-0x0000000002696000-memory.dmp
memory/4552-67-0x0000000000D20000-0x0000000000D21000-memory.dmp
memory/4552-66-0x0000000002660000-0x0000000002696000-memory.dmp
memory/4552-68-0x0000000002660000-0x0000000002696000-memory.dmp