amadey | 8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c

Analysis

max time kernel
144s
max time network
126s
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 10:37

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General

Target

8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe
Size

1.7MB
MD5

653b897cafda5217f686de9b480d1fdd
SHA1

0e1c7f346f55887faca7e56bc323054f776628d4
SHA256

8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c
SHA512

136256e4a8a769cbbb769776b5187b52eb417b47b63bc52118b3796dcfa2ab73ecc176b2ba3fec397b397fc333939bf7a9f4ca7f42ff9e8afb1b615551f9d263
SSDEEP

49152:odMp1VeHIlIohxw8d3oMlPUNGqj6bq3ujedpRgNLw8:5/GoYO3dlMc9meCXCw8

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:

explorku.exeexplorku.exe8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exeexplorku.exe

description	ioc	process
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__	8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.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.exe8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exeexplorku.exe

description	ioc	process
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	8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.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

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:

8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe

Executes dropped EXE 3 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exe

pid process

4008 explorku.exe
2016 explorku.exe
2928 explorku.exe

pid	process
4008	explorku.exe
2016	explorku.exe
2928	explorku.exe

Themida packer 39 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2832-0-0x0000000000630000-0x0000000000B85000-memory.dmp	themida
behavioral1/memory/2832-2-0x0000000000630000-0x0000000000B85000-memory.dmp	themida
behavioral1/memory/2832-1-0x0000000000630000-0x0000000000B85000-memory.dmp	themida
behavioral1/memory/2832-4-0x0000000000630000-0x0000000000B85000-memory.dmp	themida
behavioral1/memory/2832-8-0x0000000000630000-0x0000000000B85000-memory.dmp	themida
behavioral1/memory/2832-7-0x0000000000630000-0x0000000000B85000-memory.dmp	themida
behavioral1/memory/2832-6-0x0000000000630000-0x0000000000B85000-memory.dmp	themida
behavioral1/memory/2832-5-0x0000000000630000-0x0000000000B85000-memory.dmp	themida
behavioral1/memory/2832-3-0x0000000000630000-0x0000000000B85000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/2832-21-0x0000000000630000-0x0000000000B85000-memory.dmp	themida
behavioral1/memory/4008-28-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/4008-29-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/4008-30-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/4008-27-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/4008-26-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/4008-24-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/4008-22-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/4008-25-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/4008-23-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/4008-31-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2016-35-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2016-36-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2016-37-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2016-40-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2016-41-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2016-39-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2016-38-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2016-42-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2016-43-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2016-45-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2928-54-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2928-56-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2928-58-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2928-57-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2928-55-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2928-53-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2928-59-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida
behavioral1/memory/2928-61-0x0000000000870000-0x0000000000DC5000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.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:

8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.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	8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe

description	pid	process	target process
PID 2832 wrote to memory of 4008	2832	8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe	explorku.exe
PID 2832 wrote to memory of 4008	2832	8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe	explorku.exe
PID 2832 wrote to memory of 4008	2832	8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe
"C:\Users\Admin\AppData\Local\Temp\8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.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:2832
- 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:4008

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1280,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=3744 /prefetch:8
1⤵
PID:2956

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:2016

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:2928

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

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Downloads

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

Filesize
1.7MB

MD5
653b897cafda5217f686de9b480d1fdd

SHA1
0e1c7f346f55887faca7e56bc323054f776628d4

SHA256
8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c

SHA512
136256e4a8a769cbbb769776b5187b52eb417b47b63bc52118b3796dcfa2ab73ecc176b2ba3fec397b397fc333939bf7a9f4ca7f42ff9e8afb1b615551f9d263

Download Submit
memory/2016-38-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2016-43-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2016-36-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2016-37-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2016-40-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2016-39-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2016-41-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2016-35-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2016-45-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2016-42-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2832-6-0x0000000000630000-0x0000000000B85000-memory.dmp

Filesize
5.3MB

Download
memory/2832-21-0x0000000000630000-0x0000000000B85000-memory.dmp

Filesize
5.3MB

Download
memory/2832-0-0x0000000000630000-0x0000000000B85000-memory.dmp

Filesize
5.3MB

Download
memory/2832-3-0x0000000000630000-0x0000000000B85000-memory.dmp

Filesize
5.3MB

Download
memory/2832-5-0x0000000000630000-0x0000000000B85000-memory.dmp

Filesize
5.3MB

Download
memory/2832-7-0x0000000000630000-0x0000000000B85000-memory.dmp

Filesize
5.3MB

Download
memory/2832-8-0x0000000000630000-0x0000000000B85000-memory.dmp

Filesize
5.3MB

Download
memory/2832-4-0x0000000000630000-0x0000000000B85000-memory.dmp

Filesize
5.3MB

Download
memory/2832-2-0x0000000000630000-0x0000000000B85000-memory.dmp

Filesize
5.3MB

Download
memory/2832-1-0x0000000000630000-0x0000000000B85000-memory.dmp

Filesize
5.3MB

Download
memory/2928-59-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2928-54-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2928-61-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2928-53-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2928-55-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2928-57-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2928-58-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/2928-56-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/4008-27-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/4008-23-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/4008-28-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/4008-29-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/4008-30-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/4008-25-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/4008-26-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/4008-24-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/4008-31-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download
memory/4008-22-0x0000000000870000-0x0000000000DC5000-memory.dmp

Filesize
5.3MB

Download