amadey | d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c

General

Target

d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exe
Size

1.6MB
MD5

f94ae987190bc341138b2ee64dfa9aa4
SHA1

614c9d14ee48b3cca90c417b7b80d0bbf3334e75
SHA256

d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c
SHA512

4f4229d08a05b74ac3ba517cc68e503bc4966d77e0a6c5c83943ae803320d5b9cd40f3cfdf47ac543123f288f634fe3ae984f012637c60a9248060affaf64435
SSDEEP

24576:Qfw/HhjQy+UCSNJjsH0rxWBzSk7xrZdJmpfDPnE4/DJxU9n7j9hPChcMEjKyBdBC:Q4/HIUNZblkSKnbwfDnZ7Jx47j9hGok

Score

10^/10

amadey 18befc evasion themida trojan

Malware Config

Extracted

Family

amadey

Version

4.20

Botnet

18befc

C2

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 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorku.exeexplorku.exeexplorku.exed706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.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__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe

Checks BIOS information in registry 2 TTPs 10 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

explorku.exed706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exeexplorku.exeexplorku.exeexplorku.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	d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.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	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	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:

d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exe

Executes dropped EXE 4 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exeexplorku.exe

pid process

3540 explorku.exe
2920 explorku.exe
1256 explorku.exe
1788 explorku.exe

pid	process
3540	explorku.exe
2920	explorku.exe
1256	explorku.exe
1788	explorku.exe

Themida packer 46 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/4852-1-0x0000000000A60000-0x0000000000F97000-memory.dmp	themida
behavioral1/memory/4852-2-0x0000000000A60000-0x0000000000F97000-memory.dmp	themida
behavioral1/memory/4852-3-0x0000000000A60000-0x0000000000F97000-memory.dmp	themida
behavioral1/memory/4852-0-0x0000000000A60000-0x0000000000F97000-memory.dmp	themida
behavioral1/memory/4852-6-0x0000000000A60000-0x0000000000F97000-memory.dmp	themida
behavioral1/memory/4852-7-0x0000000000A60000-0x0000000000F97000-memory.dmp	themida
behavioral1/memory/4852-4-0x0000000000A60000-0x0000000000F97000-memory.dmp	themida
behavioral1/memory/4852-5-0x0000000000A60000-0x0000000000F97000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/4852-20-0x0000000000A60000-0x0000000000F97000-memory.dmp	themida
behavioral1/memory/3540-21-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/3540-27-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/3540-28-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/3540-26-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/3540-25-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/3540-24-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/3540-23-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/3540-22-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/3540-29-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/2920-31-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/2920-32-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/2920-34-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/2920-33-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/2920-37-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/2920-38-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/2920-36-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/2920-35-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/2920-40-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1256-48-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1256-49-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1256-51-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1256-55-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1256-54-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1256-50-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1256-53-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1256-52-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1256-57-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1788-65-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1788-68-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1788-70-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1788-71-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1788-69-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1788-67-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1788-66-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1788-72-0x0000000000110000-0x0000000000647000-memory.dmp	themida
behavioral1/memory/1788-73-0x0000000000110000-0x0000000000647000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 5 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.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
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe

Drops file in Windows directory 1 IoCs

Processes:

d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exe

description ioc process

File created C:\Windows\Tasks\explorku.job d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.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	d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exe

description	pid	process	target process
PID 4852 wrote to memory of 3540	4852	d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exe	explorku.exe
PID 4852 wrote to memory of 3540	4852	d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exe	explorku.exe
PID 4852 wrote to memory of 3540	4852	d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.exe
"C:\Users\Admin\AppData\Local\Temp\d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c.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:4852

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:3540

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=4404,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4604 /prefetch:8
1⤵
PID:4712

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:2920

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:1256

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:1788

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
Filesize
1.6MB

MD5
f94ae987190bc341138b2ee64dfa9aa4

SHA1
614c9d14ee48b3cca90c417b7b80d0bbf3334e75

SHA256
d706af0f74077d36aed919e9346e7f023077a80ea0150e7789faf1db7101e60c

SHA512
4f4229d08a05b74ac3ba517cc68e503bc4966d77e0a6c5c83943ae803320d5b9cd40f3cfdf47ac543123f288f634fe3ae984f012637c60a9248060affaf64435

Download Submit
memory/1256-52-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1256-48-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1256-51-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1256-57-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1256-55-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1256-54-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1256-50-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1256-53-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1256-49-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1788-71-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1788-67-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1788-66-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1788-73-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1788-70-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1788-72-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1788-69-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1788-65-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/1788-68-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/2920-33-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/2920-31-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/2920-34-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/2920-32-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/2920-37-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/2920-38-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/2920-36-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/2920-35-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/2920-40-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/3540-24-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/3540-21-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/3540-22-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/3540-23-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/3540-29-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/3540-25-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/3540-26-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/3540-28-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/3540-27-0x0000000000110000-0x0000000000647000-memory.dmp

Filesize
5.2MB

Download
memory/4852-1-0x0000000000A60000-0x0000000000F97000-memory.dmp

Filesize
5.2MB

Download
memory/4852-20-0x0000000000A60000-0x0000000000F97000-memory.dmp

Filesize
5.2MB

Download
memory/4852-5-0x0000000000A60000-0x0000000000F97000-memory.dmp

Filesize
5.2MB

Download
memory/4852-4-0x0000000000A60000-0x0000000000F97000-memory.dmp

Filesize
5.2MB

Download
memory/4852-7-0x0000000000A60000-0x0000000000F97000-memory.dmp

Filesize
5.2MB

Download
memory/4852-6-0x0000000000A60000-0x0000000000F97000-memory.dmp

Filesize
5.2MB

Download
memory/4852-0-0x0000000000A60000-0x0000000000F97000-memory.dmp

Filesize
5.2MB

Download
memory/4852-3-0x0000000000A60000-0x0000000000F97000-memory.dmp

Filesize
5.2MB

Download
memory/4852-2-0x0000000000A60000-0x0000000000F97000-memory.dmp

Filesize
5.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads