amadey | 3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305

General

Target

3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.exe
Size

1.7MB
MD5

fb7340addbdf16157febe06c00d39641
SHA1

24a9c1e19de21286e8e247c98f7edb1f7c7d6fde
SHA256

3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305
SHA512

9606a6b5d3ba933f63d7d389d0193f184df38651f736dc30afac5fef3e47eeff0b207e9410a157748568acaee0035006dc03801b54ecc34cf01f775ed8440fa0
SSDEEP

49152:zqjxF2HylFHm+pZxg+pp23zrG40Ohw04X4/RtmRD:OjxF2Yhm+jE/N0OhI4/roD

Score

10^/10

amadey evasion themida trojan

Malware Config

Extracted

Family

amadey

Version

4.20

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 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.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 8 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

explorku.exe3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.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	3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.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

Executes dropped EXE 3 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exe

pid process

2808 explorku.exe
1936 explorku.exe
1452 explorku.exe

pid	process
2808	explorku.exe
1936	explorku.exe
1452	explorku.exe

Themida packer 36 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/4368-0-0x0000000000280000-0x00000000007CC000-memory.dmp	themida
behavioral2/memory/4368-6-0x0000000000280000-0x00000000007CC000-memory.dmp	themida
behavioral2/memory/4368-7-0x0000000000280000-0x00000000007CC000-memory.dmp	themida
behavioral2/memory/4368-5-0x0000000000280000-0x00000000007CC000-memory.dmp	themida
behavioral2/memory/4368-4-0x0000000000280000-0x00000000007CC000-memory.dmp	themida
behavioral2/memory/4368-3-0x0000000000280000-0x00000000007CC000-memory.dmp	themida
behavioral2/memory/4368-1-0x0000000000280000-0x00000000007CC000-memory.dmp	themida
behavioral2/memory/4368-2-0x0000000000280000-0x00000000007CC000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral2/memory/4368-18-0x0000000000280000-0x00000000007CC000-memory.dmp	themida
behavioral2/memory/2808-23-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/2808-27-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/2808-28-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/2808-26-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/2808-25-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/2808-24-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/2808-22-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/2808-20-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/2808-29-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1936-35-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1936-33-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1936-34-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1936-37-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1936-39-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1936-36-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1936-38-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1936-41-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1452-49-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1452-50-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1452-55-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1452-54-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1452-53-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1452-51-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1452-52-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1452-56-0x00000000002D0000-0x000000000081C000-memory.dmp	themida
behavioral2/memory/1452-57-0x00000000002D0000-0x000000000081C000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.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:

3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.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	3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.exe

description	pid	process	target process
PID 4368 wrote to memory of 2808	4368	3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.exe	explorku.exe
PID 4368 wrote to memory of 2808	4368	3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.exe	explorku.exe
PID 4368 wrote to memory of 2808	4368	3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.exe
"C:\Users\Admin\AppData\Local\Temp\3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305.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:4368

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:2808

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:1936

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:1452

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
Filesize
1.7MB

MD5
fb7340addbdf16157febe06c00d39641

SHA1
24a9c1e19de21286e8e247c98f7edb1f7c7d6fde

SHA256
3c49c4b49a70a6a22dc7d77b536e3dca0778cbeb6591f229ceb0f8b081195305

SHA512
9606a6b5d3ba933f63d7d389d0193f184df38651f736dc30afac5fef3e47eeff0b207e9410a157748568acaee0035006dc03801b54ecc34cf01f775ed8440fa0

Download Submit
memory/1452-51-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1452-53-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1452-50-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1452-57-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1452-49-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1452-54-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1452-55-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1452-56-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1452-52-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1936-41-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1936-35-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1936-38-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1936-36-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1936-39-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1936-37-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1936-34-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/1936-33-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/2808-29-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/2808-23-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/2808-20-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/2808-22-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/2808-24-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/2808-25-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/2808-26-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/2808-28-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/2808-27-0x00000000002D0000-0x000000000081C000-memory.dmp

Filesize
5.3MB

Download
memory/4368-0-0x0000000000280000-0x00000000007CC000-memory.dmp

Filesize
5.3MB

Download
memory/4368-18-0x0000000000280000-0x00000000007CC000-memory.dmp

Filesize
5.3MB

Download
memory/4368-2-0x0000000000280000-0x00000000007CC000-memory.dmp

Filesize
5.3MB

Download
memory/4368-1-0x0000000000280000-0x00000000007CC000-memory.dmp

Filesize
5.3MB

Download
memory/4368-3-0x0000000000280000-0x00000000007CC000-memory.dmp

Filesize
5.3MB

Download
memory/4368-4-0x0000000000280000-0x00000000007CC000-memory.dmp

Filesize
5.3MB

Download
memory/4368-5-0x0000000000280000-0x00000000007CC000-memory.dmp

Filesize
5.3MB

Download
memory/4368-7-0x0000000000280000-0x00000000007CC000-memory.dmp

Filesize
5.3MB

Download
memory/4368-6-0x0000000000280000-0x00000000007CC000-memory.dmp

Filesize
5.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads