amadey | f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888

General

Target

f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exe
Size

1.6MB
MD5

f17679189b5330e19e23f5361be24941
SHA1

80ae244b98690f5e56ad09d9e9a14e08665acf9d
SHA256

f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888
SHA512

213d2dd7515f9191f17bb55b165c311d30ee091b98caf7d97f654d9ae6c10bd3cd2d21a1ae5eb46a34c96ec013b8e5ee6673436d476193ce09ab093d63b94fd2
SSDEEP

49152:Xh99RRri+7iIQiF92ban9GE/PzBTsxz73z/OO:XX9fG71ivhGE/P1Cz/OO

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:

f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.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
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.exeexplorku.exeexplorku.exef8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.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	f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.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

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:

f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exe

Executes dropped EXE 4 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exeexplorku.exe

pid process

1520 explorku.exe
3960 explorku.exe
4960 explorku.exe
1788 explorku.exe

pid	process
1520	explorku.exe
3960	explorku.exe
4960	explorku.exe
1788	explorku.exe

Themida packer 49 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/4648-6-0x0000000000480000-0x0000000000982000-memory.dmp	themida
behavioral1/memory/4648-8-0x0000000000480000-0x0000000000982000-memory.dmp	themida
behavioral1/memory/4648-7-0x0000000000480000-0x0000000000982000-memory.dmp	themida
behavioral1/memory/4648-5-0x0000000000480000-0x0000000000982000-memory.dmp	themida
behavioral1/memory/4648-4-0x0000000000480000-0x0000000000982000-memory.dmp	themida
behavioral1/memory/4648-2-0x0000000000480000-0x0000000000982000-memory.dmp	themida
behavioral1/memory/4648-3-0x0000000000480000-0x0000000000982000-memory.dmp	themida
behavioral1/memory/4648-1-0x0000000000480000-0x0000000000982000-memory.dmp	themida
behavioral1/memory/4648-0-0x0000000000480000-0x0000000000982000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/1520-24-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1520-28-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1520-23-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1520-22-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/4648-21-0x0000000000480000-0x0000000000982000-memory.dmp	themida
behavioral1/memory/1520-30-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1520-29-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1520-27-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1520-26-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1520-25-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1520-31-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/3960-36-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/3960-41-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/3960-42-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/3960-40-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/3960-38-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/3960-39-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/3960-35-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/3960-34-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/3960-37-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/3960-44-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/4960-53-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/4960-54-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/4960-55-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/4960-59-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/4960-57-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/4960-58-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/4960-56-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/4960-52-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/4960-60-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1788-68-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1788-69-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1788-70-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1788-74-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1788-72-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1788-73-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1788-71-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1788-75-0x0000000000B90000-0x0000000001092000-memory.dmp	themida
behavioral1/memory/1788-77-0x0000000000B90000-0x0000000001092000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 5 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.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:

f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exe

description ioc process

File created C:\Windows\Tasks\explorku.job f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.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	f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exe

description	pid	process	target process
PID 4648 wrote to memory of 1520	4648	f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exe	explorku.exe
PID 4648 wrote to memory of 1520	4648	f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exe	explorku.exe
PID 4648 wrote to memory of 1520	4648	f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.exe
"C:\Users\Admin\AppData\Local\Temp\f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888.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:4648

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:1520

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:3960

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:4960

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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

1

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
1.6MB

MD5
f17679189b5330e19e23f5361be24941

SHA1
80ae244b98690f5e56ad09d9e9a14e08665acf9d

SHA256
f8e2bda10cd1a85887af1f5e20369d47571f7bfa721b6ffc4569e717bbc56888

SHA512
213d2dd7515f9191f17bb55b165c311d30ee091b98caf7d97f654d9ae6c10bd3cd2d21a1ae5eb46a34c96ec013b8e5ee6673436d476193ce09ab093d63b94fd2

Download Submit
memory/1520-30-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1520-23-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1520-24-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1520-26-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1520-27-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1520-29-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1520-31-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1520-22-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1520-28-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1520-25-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1788-74-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1788-71-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1788-69-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1788-68-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1788-70-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1788-75-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1788-72-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1788-73-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/1788-77-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/3960-40-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/3960-44-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/3960-41-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/3960-42-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/3960-36-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/3960-38-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/3960-39-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/3960-35-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/3960-34-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/3960-37-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/4648-1-0x0000000000480000-0x0000000000982000-memory.dmp

Filesize
5.0MB

Download
memory/4648-21-0x0000000000480000-0x0000000000982000-memory.dmp

Filesize
5.0MB

Download
memory/4648-8-0x0000000000480000-0x0000000000982000-memory.dmp

Filesize
5.0MB

Download
memory/4648-7-0x0000000000480000-0x0000000000982000-memory.dmp

Filesize
5.0MB

Download
memory/4648-5-0x0000000000480000-0x0000000000982000-memory.dmp

Filesize
5.0MB

Download
memory/4648-4-0x0000000000480000-0x0000000000982000-memory.dmp

Filesize
5.0MB

Download
memory/4648-2-0x0000000000480000-0x0000000000982000-memory.dmp

Filesize
5.0MB

Download
memory/4648-3-0x0000000000480000-0x0000000000982000-memory.dmp

Filesize
5.0MB

Download
memory/4648-6-0x0000000000480000-0x0000000000982000-memory.dmp

Filesize
5.0MB

Download
memory/4648-0-0x0000000000480000-0x0000000000982000-memory.dmp

Filesize
5.0MB

Download
memory/4960-57-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/4960-60-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/4960-52-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/4960-56-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/4960-58-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/4960-53-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/4960-59-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/4960-55-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download
memory/4960-54-0x0000000000B90000-0x0000000001092000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads