amadey | 16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 21:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe
Size

1.7MB
MD5

f84e1c6e7020715931bcfb4f8448b1a9
SHA1

0ae3325b01d9a92623ef501a04a4b15463757b3e
SHA256

16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be
SHA512

0f949cf2ecd29d1390eeb27da19861e6a8ad8b2ada0f45a9e944a2ebfc6ecadb6eb25cf1e96b6751920001df02d15a7c1b6325614d82e41d18187bf5baf42cbf
SSDEEP

49152:1RrSTmOvvWYWe/fOIJ8vAT1mL8A0W21ZAo4kk26:1VSfvvfr/fOIJ8o1kfIXf4Zz

Score

10^/10

amadey 18befc evasion themida trojan

Malware Config

Extracted

Family

amadey

Version

4.20

Botnet

18befc

http://5.42.96.141

Attributes

install_dir
908f070dff
install_file
explorku.exe
strings_key
b25a9385246248a95c600f9a061438e1
url_paths
/go34ko8/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe

Checks BIOS information in registry 2 TTPs 8 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

explorku.exeexplorku.exeexplorku.exe16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe

Executes dropped EXE 3 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exe

pid process

5048 explorku.exe
2728 explorku.exe
1972 explorku.exe

pid	process
5048	explorku.exe
2728	explorku.exe
1972	explorku.exe

Themida packer 39 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1916-0-0x00000000005D0000-0x0000000000B1F000-memory.dmp	themida
behavioral1/memory/1916-3-0x00000000005D0000-0x0000000000B1F000-memory.dmp	themida
behavioral1/memory/1916-7-0x00000000005D0000-0x0000000000B1F000-memory.dmp	themida
behavioral1/memory/1916-8-0x00000000005D0000-0x0000000000B1F000-memory.dmp	themida
behavioral1/memory/1916-6-0x00000000005D0000-0x0000000000B1F000-memory.dmp	themida
behavioral1/memory/1916-5-0x00000000005D0000-0x0000000000B1F000-memory.dmp	themida
behavioral1/memory/1916-4-0x00000000005D0000-0x0000000000B1F000-memory.dmp	themida
behavioral1/memory/1916-1-0x00000000005D0000-0x0000000000B1F000-memory.dmp	themida
behavioral1/memory/1916-2-0x00000000005D0000-0x0000000000B1F000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/1916-20-0x00000000005D0000-0x0000000000B1F000-memory.dmp	themida
behavioral1/memory/5048-22-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/5048-23-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/5048-24-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/5048-29-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/5048-30-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/5048-28-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/5048-26-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/5048-27-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/5048-25-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/5048-31-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/2728-37-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/2728-39-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/2728-40-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/2728-38-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/2728-41-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/2728-42-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/2728-45-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/2728-44-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/2728-43-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/2728-47-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/1972-59-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/1972-61-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/1972-60-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/1972-58-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/1972-57-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/1972-55-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/1972-56-0x0000000000090000-0x00000000005DF000-memory.dmp	themida
behavioral1/memory/1972-63-0x0000000000090000-0x00000000005DF000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe

Drops file in Windows directory 1 IoCs

Processes:

16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Tasks\explorku.job	16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe

description	pid	process	target process
PID 1916 wrote to memory of 5048	1916	16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe	explorku.exe
PID 1916 wrote to memory of 5048	1916	16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe	explorku.exe
PID 1916 wrote to memory of 5048	1916	16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe
"C:\Users\Admin\AppData\Local\Temp\16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
  "C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  PID:5048

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:2728

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:1972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe

Filesize
1.7MB

MD5
f84e1c6e7020715931bcfb4f8448b1a9

SHA1
0ae3325b01d9a92623ef501a04a4b15463757b3e

SHA256
16d65d578328e7b79625f737360d7ec3371946a48f3e17e7afaf8e4f131904be

SHA512
0f949cf2ecd29d1390eeb27da19861e6a8ad8b2ada0f45a9e944a2ebfc6ecadb6eb25cf1e96b6751920001df02d15a7c1b6325614d82e41d18187bf5baf42cbf

Download Submit
memory/1916-2-0x00000000005D0000-0x0000000000B1F000-memory.dmp

Filesize
5.3MB

Download
memory/1916-8-0x00000000005D0000-0x0000000000B1F000-memory.dmp

Filesize
5.3MB

Download
memory/1916-20-0x00000000005D0000-0x0000000000B1F000-memory.dmp

Filesize
5.3MB

Download
memory/1916-3-0x00000000005D0000-0x0000000000B1F000-memory.dmp

Filesize
5.3MB

Download
memory/1916-5-0x00000000005D0000-0x0000000000B1F000-memory.dmp

Filesize
5.3MB

Download
memory/1916-4-0x00000000005D0000-0x0000000000B1F000-memory.dmp

Filesize
5.3MB

Download
memory/1916-1-0x00000000005D0000-0x0000000000B1F000-memory.dmp

Filesize
5.3MB

Download
memory/1916-0-0x00000000005D0000-0x0000000000B1F000-memory.dmp

Filesize
5.3MB

Download
memory/1916-6-0x00000000005D0000-0x0000000000B1F000-memory.dmp

Filesize
5.3MB

Download
memory/1916-7-0x00000000005D0000-0x0000000000B1F000-memory.dmp

Filesize
5.3MB

Download
memory/1972-59-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/1972-56-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/1972-55-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/1972-57-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/1972-58-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/1972-60-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/1972-61-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/1972-63-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/2728-45-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/2728-44-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/2728-37-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/2728-39-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/2728-40-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/2728-38-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/2728-41-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/2728-42-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/2728-47-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/2728-43-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/5048-31-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/5048-25-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/5048-27-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/5048-26-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/5048-28-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/5048-30-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/5048-29-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/5048-24-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/5048-23-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download
memory/5048-22-0x0000000000090000-0x00000000005DF000-memory.dmp

Filesize
5.3MB

Download