Analysis
- max time kernel
147s - max time network
149s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
13/06/2024, 06:58
General
- Target a45093c46a998137b18e4ec60a7341da_JaffaCakes118.ps1
- Size 2.5MB
- Sample240613-hrqycssdrr
- SHA256 a3b029d42bd7d807c09240ae9002750c41f0e7e840ac97e7c069d3123510f098
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
alexurch.ddns.net:7416
-
2e8144aa-eb59-4c72-89f2-7a135841085d
-
activate_away_mode
true
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2019-03-09T16:13:18.568639836Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
7416
-
default_group
Default
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
2e8144aa-eb59-4c72-89f2-7a135841085d
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
alexurch.ddns.net
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
true
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- AgentTesla payload 14 IoCs
- Drops startup file 1 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Checks whether UAC is enabled 1 TTPs 1 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.
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: SetClipboardViewer 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\a45093c46a998137b18e4ec60a7341da_JaffaCakes118.ps11⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Public\iwfx.exe"C:\Users\Public\iwfx.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: SetClipboardViewer
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NANO no startup.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NANO no startup.exe"4⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
iwfx.exe
NANO no startup.exe
memory/2352-4-0x000007FEF628E000-0x000007FEF628F000-memory.dmp
memory/2352-5-0x000000001B600000-0x000000001B8E2000-memory.dmp
memory/2352-7-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp
memory/2352-11-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp
memory/2352-10-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp
memory/2352-9-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp
memory/2352-8-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp
memory/2352-6-0x0000000001F70000-0x0000000001F78000-memory.dmp
memory/2352-17-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp
memory/2376-21-0x00000000000B0000-0x00000000000B1000-memory.dmp
memory/2728-23-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-39-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-29-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-30-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-31-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-47-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-45-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-44-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-42-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2728-38-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-36-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-34-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-33-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-32-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-22-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2728-58-0x0000000000BC0000-0x0000000000BCA000-memory.dmp