Analysis
- user interaction
yes - max time kernel
85s - max time network
85s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
17/08/2026, 03:48
General
- Target b649944f79f7f0e8a1c550f92190015ce473b8841f8c1.exe
- Size 186KB
- Sample260817-ec4dcssgla
- SHA256 b649944f79f7f0e8a1c550f92190015ce473b8841f8c14137a1e07154bf29774
Malware Config
Extracted
-
amadey
-
5.80
-
http://196.251.107.248
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install_dir
96a2578040
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install_file
Yoyotvinm.exe
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strings_key
f7a2b3543f3c4ed94d892e4efc544f8a
-
url_paths
/kont2rt/index.php
Signatures
- Family: Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detects Amadey x86-bit Payload 4 IoCs
- Downloads MZ/PE file 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 1 IoCs
- UPX packed file 7 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b649944f79f7f0e8a1c550f92190015ce473b8841f8c1.exe"C:\Users\Admin\AppData\Local\Temp\b649944f79f7f0e8a1c550f92190015ce473b8841f8c1.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c schtasks /create /tn "WindowsUpdateAssistant" /xml "C:\Users\Admin\AppData\Local\Temp\WindowsUpdateAssistant.xml" /f2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "WindowsUpdateAssistant" /xml "C:\Users\Admin\AppData\Local\Temp\WindowsUpdateAssistant.xml" /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
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C:\Users\Admin\runtimehost.exe"C:\Users\Admin\runtimehost.exe"2⤵
- Executes dropped EXE
-
-
C:\Users\Admin\runtimehost.exeC:\Users\Admin\runtimehost.exe1⤵
- Downloads MZ/PE file
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\13200830101\21.exe"C:\Users\Admin\AppData\Local\Temp\13200830101\21.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-18IJCCJS2J.tmp\21.tmp"C:\Users\Admin\AppData\Local\Temp\is-18IJCCJS2J.tmp\21.tmp" /SL5="$C023E,2708485,999424,C:\Users\Admin\AppData\Local\Temp\13200830101\21.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
21.exe
WindowsUpdateAssistant.xml
21.tmp
_isdecmp.dll
runtimehost.exe
memory/1328-21-0x00000000000D0000-0x0000000000145000-memory.dmp
memory/1328-20-0x00000000000D0000-0x0000000000145000-memory.dmp
memory/3452-47-0x0000000000C90000-0x0000000000D93000-memory.dmp
memory/3452-58-0x0000000000C90000-0x0000000000D93000-memory.dmp
memory/3888-16-0x00000000000D0000-0x0000000000145000-memory.dmp
memory/3888-25-0x00000000000D0000-0x0000000000145000-memory.dmp
memory/3888-22-0x00000000000D0000-0x0000000000145000-memory.dmp
memory/3888-17-0x0000000000144000-0x0000000000145000-memory.dmp
memory/3888-57-0x00000000000D0000-0x0000000000145000-memory.dmp
memory/4972-1-0x0000000005080000-0x00000000050F6000-memory.dmp
memory/4972-2-0x00000000058B0000-0x00000000058C0000-memory.dmp
memory/4972-0-0x0000000000630000-0x0000000000664000-memory.dmp
memory/4972-3-0x0000000005760000-0x000000000577E000-memory.dmp
memory/5500-59-0x0000000000A00000-0x0000000000E61000-memory.dmp