amadey | 50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315

General

Target

50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe
Size

1.5MB
MD5

4097974a2c514d3b1feacd8749e98c3c
SHA1

83270abf417c64cc7edfe9270b2b176174d3aca4
SHA256

50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315
SHA512

9f1e4a659323d4ef80d82023373d714f137aa94417fd672a932a95aa437ea64c8bde0dee9230188327b77ce1f11946dc6045ccf2dfe55fd02071df4a3d37bd4f
SSDEEP

49152:XXn4/8uZG3gNtvcAe6q59Q9ITktllPWi9CN:XyG3ceAe6qQyTClleisN

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 7 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorku.exeexplorku.exeexplorku.exeexplorku.exe50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exeexplorku.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__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.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 14 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

explorku.exeexplorku.exeexplorku.exe50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exeexplorku.exeexplorku.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	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	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\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\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe

Executes dropped EXE 6 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exe

pid process

2180 explorku.exe
5104 explorku.exe
4664 explorku.exe
588 explorku.exe
2404 explorku.exe
1268 explorku.exe

pid	process
2180	explorku.exe
5104	explorku.exe
4664	explorku.exe
588	explorku.exe
2404	explorku.exe
1268	explorku.exe

Themida packer 54 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/512-0-0x0000000000F60000-0x000000000144F000-memory.dmp	themida
behavioral2/memory/512-1-0x0000000000F60000-0x000000000144F000-memory.dmp	themida
behavioral2/memory/512-3-0x0000000000F60000-0x000000000144F000-memory.dmp	themida
behavioral2/memory/512-4-0x0000000000F60000-0x000000000144F000-memory.dmp	themida
behavioral2/memory/512-7-0x0000000000F60000-0x000000000144F000-memory.dmp	themida
behavioral2/memory/512-6-0x0000000000F60000-0x000000000144F000-memory.dmp	themida
behavioral2/memory/512-2-0x0000000000F60000-0x000000000144F000-memory.dmp	themida
behavioral2/memory/512-5-0x0000000000F60000-0x000000000144F000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral2/memory/512-17-0x0000000000F60000-0x000000000144F000-memory.dmp	themida
behavioral2/memory/2180-16-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2180-20-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2180-21-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2180-19-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2180-23-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2180-24-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2180-22-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2180-25-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/5104-28-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/5104-29-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/5104-33-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/5104-35-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/5104-34-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/5104-32-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/5104-31-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2180-27-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/5104-30-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/5104-37-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/4664-45-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/4664-49-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/4664-51-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/4664-50-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/4664-48-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/4664-46-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/4664-47-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/4664-52-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/4664-53-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/588-62-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/588-65-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/588-67-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/588-68-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/588-66-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/588-64-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/588-63-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/588-61-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/588-70-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2404-78-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2404-80-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2404-79-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2404-81-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2404-83-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2404-82-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/2404-86-0x0000000001300000-0x00000000017EF000-memory.dmp	themida
behavioral2/memory/1268-102-0x0000000001300000-0x00000000017EF000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 7 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

explorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exe50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe

description	ioc	process
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
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	50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe

Drops file in Windows directory 1 IoCs

Processes:

50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.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	50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe

description	pid	process	target process
PID 512 wrote to memory of 2180	512	50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe	explorku.exe
PID 512 wrote to memory of 2180	512	50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe	explorku.exe
PID 512 wrote to memory of 2180	512	50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe
"C:\Users\Admin\AppData\Local\Temp\50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:512

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:2180

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:5104

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:4664

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:588

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:2404

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:1268

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

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

3

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
1.5MB

MD5
4097974a2c514d3b1feacd8749e98c3c

SHA1
83270abf417c64cc7edfe9270b2b176174d3aca4

SHA256
50a0b1f13ecc693a781b25c0bfb7e32bd4585bf6cc0c45655331df0d8ed03315

SHA512
9f1e4a659323d4ef80d82023373d714f137aa94417fd672a932a95aa437ea64c8bde0dee9230188327b77ce1f11946dc6045ccf2dfe55fd02071df4a3d37bd4f

Download Submit
memory/512-0-0x0000000000F60000-0x000000000144F000-memory.dmp

Filesize
4.9MB

Download
memory/512-1-0x0000000000F60000-0x000000000144F000-memory.dmp

Filesize
4.9MB

Download
memory/512-3-0x0000000000F60000-0x000000000144F000-memory.dmp

Filesize
4.9MB

Download
memory/512-4-0x0000000000F60000-0x000000000144F000-memory.dmp

Filesize
4.9MB

Download
memory/512-7-0x0000000000F60000-0x000000000144F000-memory.dmp

Filesize
4.9MB

Download
memory/512-6-0x0000000000F60000-0x000000000144F000-memory.dmp

Filesize
4.9MB

Download
memory/512-2-0x0000000000F60000-0x000000000144F000-memory.dmp

Filesize
4.9MB

Download
memory/512-5-0x0000000000F60000-0x000000000144F000-memory.dmp

Filesize
4.9MB

Download
memory/512-17-0x0000000000F60000-0x000000000144F000-memory.dmp

Filesize
4.9MB

Download
memory/588-64-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/588-70-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/588-61-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/588-63-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/588-62-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/588-66-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/588-68-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/588-67-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/588-65-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/1268-102-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2180-19-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2180-20-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2180-16-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2180-22-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2180-24-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2180-27-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2180-23-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2180-25-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2180-21-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2404-81-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2404-78-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2404-80-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2404-79-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2404-83-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2404-82-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/2404-86-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/4664-49-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/4664-50-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/4664-45-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/4664-51-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/4664-53-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/4664-52-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/4664-47-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/4664-46-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/4664-48-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/5104-33-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/5104-28-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/5104-35-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/5104-29-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/5104-37-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/5104-30-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/5104-31-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/5104-32-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download
memory/5104-34-0x0000000001300000-0x00000000017EF000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads