amadey | dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb

General

Target

dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.exe
Size

1.6MB
MD5

fe9bb34ff36091628caaa793c0109d09
SHA1

3b6be0f3abc3cd6dfb1ee7b265602365c83cdbb5
SHA256

dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb
SHA512

b8bdfb3d45831084c9bb9e9e3db7d84349341e75f77b3d272d0bed68578445ec12b6720a1a262d2c41052072d912dbc2feaf5a6050d3ecd8e4ee9c184d1c2aa5
SSDEEP

49152:00fr2Lx4GWAC5P88lhYDiCrS6uRDyMnHvx9:00fZPPzWiCrSdDyevx9

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:

dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.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
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.exedff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.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\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.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\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	dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.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

Executes dropped EXE 6 IoCs

Processes:

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

pid process

3932 explorku.exe
1748 explorku.exe
4224 explorku.exe
3404 explorku.exe
500 explorku.exe
2468 explorku.exe

pid	process
3932	explorku.exe
1748	explorku.exe
4224	explorku.exe
3404	explorku.exe
500	explorku.exe
2468	explorku.exe

Themida packer 50 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/4448-0-0x0000000000A20000-0x0000000000F23000-memory.dmp	themida
behavioral2/memory/4448-2-0x0000000000A20000-0x0000000000F23000-memory.dmp	themida
behavioral2/memory/4448-3-0x0000000000A20000-0x0000000000F23000-memory.dmp	themida
behavioral2/memory/4448-1-0x0000000000A20000-0x0000000000F23000-memory.dmp	themida
behavioral2/memory/4448-6-0x0000000000A20000-0x0000000000F23000-memory.dmp	themida
behavioral2/memory/4448-7-0x0000000000A20000-0x0000000000F23000-memory.dmp	themida
behavioral2/memory/4448-5-0x0000000000A20000-0x0000000000F23000-memory.dmp	themida
behavioral2/memory/4448-4-0x0000000000A20000-0x0000000000F23000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral2/memory/4448-17-0x0000000000A20000-0x0000000000F23000-memory.dmp	themida
behavioral2/memory/3932-18-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3932-20-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3932-19-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3932-21-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3932-24-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3932-22-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3932-23-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3932-25-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3932-26-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/1748-33-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/1748-34-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/1748-38-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/1748-37-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/1748-39-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/1748-35-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/1748-36-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/1748-32-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/1748-41-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/4224-50-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/4224-52-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/4224-54-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/4224-56-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/4224-55-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/4224-53-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/4224-51-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/4224-49-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/4224-57-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3404-65-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3404-67-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3404-68-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3404-66-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3404-70-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3404-72-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3404-71-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3404-69-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/3404-73-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/500-81-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/500-82-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/500-89-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida
behavioral2/memory/2468-105-0x00000000009C0000-0x0000000000EC3000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 7 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

explorku.exedff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.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	dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.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

Drops file in Windows directory 1 IoCs

Processes:

dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.exe

description ioc process

File created C:\Windows\Tasks\explorku.job dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.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	dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.exe

description	pid	process	target process
PID 4448 wrote to memory of 3932	4448	dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.exe	explorku.exe
PID 4448 wrote to memory of 3932	4448	dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.exe	explorku.exe
PID 4448 wrote to memory of 3932	4448	dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.exe
"C:\Users\Admin\AppData\Local\Temp\dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb.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:4448

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:3932

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:1748

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:4224

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:3404

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:500

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:2468

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
1.6MB

MD5
fe9bb34ff36091628caaa793c0109d09

SHA1
3b6be0f3abc3cd6dfb1ee7b265602365c83cdbb5

SHA256
dff9051083cd448e8f22e5953f78d3b7f04a7d5b3ab0d12ed3da61bd645c1cbb

SHA512
b8bdfb3d45831084c9bb9e9e3db7d84349341e75f77b3d272d0bed68578445ec12b6720a1a262d2c41052072d912dbc2feaf5a6050d3ecd8e4ee9c184d1c2aa5

Download Submit
memory/500-81-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/500-89-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/500-82-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/1748-37-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/1748-39-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/1748-41-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/1748-38-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/1748-34-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/1748-33-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/1748-35-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/1748-36-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/1748-32-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/2468-105-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3404-73-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3404-65-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3404-67-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3404-68-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3404-66-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3404-70-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3404-72-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3404-71-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3404-69-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3932-19-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3932-26-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3932-25-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3932-23-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3932-22-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3932-18-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3932-20-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3932-21-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/3932-24-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/4224-57-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/4224-50-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/4224-51-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/4224-49-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/4224-55-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/4224-56-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/4224-54-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/4224-53-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/4224-52-0x00000000009C0000-0x0000000000EC3000-memory.dmp

Filesize
5.0MB

Download
memory/4448-0-0x0000000000A20000-0x0000000000F23000-memory.dmp

Filesize
5.0MB

Download
memory/4448-17-0x0000000000A20000-0x0000000000F23000-memory.dmp

Filesize
5.0MB

Download
memory/4448-4-0x0000000000A20000-0x0000000000F23000-memory.dmp

Filesize
5.0MB

Download
memory/4448-5-0x0000000000A20000-0x0000000000F23000-memory.dmp

Filesize
5.0MB

Download
memory/4448-7-0x0000000000A20000-0x0000000000F23000-memory.dmp

Filesize
5.0MB

Download
memory/4448-6-0x0000000000A20000-0x0000000000F23000-memory.dmp

Filesize
5.0MB

Download
memory/4448-1-0x0000000000A20000-0x0000000000F23000-memory.dmp

Filesize
5.0MB

Download
memory/4448-3-0x0000000000A20000-0x0000000000F23000-memory.dmp

Filesize
5.0MB

Download
memory/4448-2-0x0000000000A20000-0x0000000000F23000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads