amadey | 486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96

Analysis

max time kernel
150s
max time network
65s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 03:53

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General

Target

486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe
Size

1.8MB
MD5

a7323bcf0df71286fa3156cefb8e3049
SHA1

e9dd309d06cd5f9bff60fc4dc914fe9672193c61
SHA256

486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96
SHA512

9143e73a9ccc52305c8c43a0397f8f47caeaf8a1953a96cf962890bf9757b5a9bb03e3b169612f8e7011757d20698662ae3f18a375c6baf380c792c4e27e6ae1
SSDEEP

49152:QoUMXNA6rEDrof7gzSdeRmeyC/0H9+q3uEoq:QpMXNA6oIeSiJyECH3Qq

Score

10^/10

amadey 4dd39d evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

http://77.91.77.82

Attributes

install_dir
ad40971b6b
install_file
explorti.exe
strings_key
a434973ad22def7137dbb5e059b7081e
url_paths
/Hun4Ko/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:

explorti.exe486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.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:

explorti.exeexplorti.exe486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe

Executes dropped EXE 4 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

4604 explorti.exe
4712 explorti.exe
1776 explorti.exe
2996 explorti.exe

pid	process
4604	explorti.exe
4712	explorti.exe
1776	explorti.exe
2996	explorti.exe

Identifies Wine through registry keys 2 TTPs 4 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exeexplorti.exeexplorti.exeexplorti.exe

pid process

3692 486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe
4604 explorti.exe
4712 explorti.exe
1776 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe

description ioc process

File created C:\Windows\Tasks\explorti.job 486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.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\explorti.job	486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
3692	486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe
3692	486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe
4604	explorti.exe
4604	explorti.exe
4712	explorti.exe
4712	explorti.exe
1776	explorti.exe
1776	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe

description	pid	process	target process
PID 3692 wrote to memory of 4604	3692	486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe	explorti.exe
PID 3692 wrote to memory of 4604	3692	486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe	explorti.exe
PID 3692 wrote to memory of 4604	3692	486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe
"C:\Users\Admin\AppData\Local\Temp\486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3692

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4604

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4712

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1776

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
- Executes dropped EXE
PID:2996

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
Filesize
1.8MB

MD5
a7323bcf0df71286fa3156cefb8e3049

SHA1
e9dd309d06cd5f9bff60fc4dc914fe9672193c61

SHA256
486d31298b8392f4d62679ad3e5bca6f0fff1deda78851367021376c6a3c3d96

SHA512
9143e73a9ccc52305c8c43a0397f8f47caeaf8a1953a96cf962890bf9757b5a9bb03e3b169612f8e7011757d20698662ae3f18a375c6baf380c792c4e27e6ae1

Download Submit
memory/1776-40-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/1776-39-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/2996-50-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/2996-48-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/3692-0-0x0000000000E00000-0x00000000012B7000-memory.dmp

Filesize
4.7MB

Download
memory/3692-1-0x0000000077A16000-0x0000000077A18000-memory.dmp

Filesize
8KB

Download
memory/3692-2-0x0000000000E01000-0x0000000000E2F000-memory.dmp

Filesize
184KB

Download
memory/3692-3-0x0000000000E00000-0x00000000012B7000-memory.dmp

Filesize
4.7MB

Download
memory/3692-5-0x0000000000E00000-0x00000000012B7000-memory.dmp

Filesize
4.7MB

Download
memory/3692-17-0x0000000000E00000-0x00000000012B7000-memory.dmp

Filesize
4.7MB

Download
memory/4604-37-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-41-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-24-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-25-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-18-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-20-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-46-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-45-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-32-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-33-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-34-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-35-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-36-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-22-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-21-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-19-0x0000000000F81000-0x0000000000FAF000-memory.dmp

Filesize
184KB

Download
memory/4604-23-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-42-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-43-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4604-44-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4712-31-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4712-29-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4712-28-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download
memory/4712-27-0x0000000000F80000-0x0000000001437000-memory.dmp

Filesize
4.7MB

Download