amadey | c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84

General

Target

c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe
Size

3.1MB
MD5

508064f8c094760247427a712f69a754
SHA1

893027b1c300f07f9a4a9dd700157ac7647924b4
SHA256

c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84
SHA512

964c5a1644782ec0f0ab129f5a5ec94f8ae3d5d4c5d873f13426bc47b32e4b393cae3576a848068a0a5f0878868ce4be8d07d418e2985c7a7f1d3e42aed3f954
SSDEEP

49152:n4516fHmQv7t8Cr20GT3Q3c3/BmNiR/Z4n8y:n4q7t8Cr2RTgsPxBo8y

Score

10^/10

amadey 9c9aa5 discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes

install_dir
abc3bc1985
install_file
skotes.exe
strings_key
8a35cf2ea38c2817dba29a4b5b25dcf0
url_paths
/Zu7JuNko/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey
Amadey family
amadey

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

pid	Process
1896	skotes.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

pid	Process
2756	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2756	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe
1896	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2756	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe
1896	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2756	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 1896	2756	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe	31
PID 2756 wrote to memory of 1896	2756	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe	31
PID 2756 wrote to memory of 1896	2756	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe	31
PID 2756 wrote to memory of 1896	2756	c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe	31

C:\Users\Admin\AppData\Local\Temp\c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe
"C:\Users\Admin\AppData\Local\Temp\c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
  "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

Filesize
3.1MB

MD5
508064f8c094760247427a712f69a754

SHA1
893027b1c300f07f9a4a9dd700157ac7647924b4

SHA256
c7e81bfa2f12b4ad749a3587e3e22e4d9d57735549b11bc40da9229ad3476c84

SHA512
964c5a1644782ec0f0ab129f5a5ec94f8ae3d5d4c5d873f13426bc47b32e4b393cae3576a848068a0a5f0878868ce4be8d07d418e2985c7a7f1d3e42aed3f954

Download Submit
memory/1896-24-0x0000000000E11000-0x0000000000E79000-memory.dmp

Filesize
416KB

Download
memory/1896-33-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-25-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-39-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-26-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-38-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-16-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-37-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-19-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-18-0x0000000000E11000-0x0000000000E79000-memory.dmp

Filesize
416KB

Download
memory/1896-21-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-27-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-23-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-36-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-35-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-34-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-22-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-28-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-29-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-30-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-31-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/1896-32-0x0000000000E10000-0x0000000001124000-memory.dmp

Filesize
3.1MB

Download
memory/2756-2-0x0000000000811000-0x0000000000879000-memory.dmp

Filesize
416KB

Download
memory/2756-1-0x0000000076F30000-0x0000000076F32000-memory.dmp

Filesize
8KB

Download
memory/2756-3-0x0000000000810000-0x0000000000B24000-memory.dmp

Filesize
3.1MB

Download
memory/2756-0-0x0000000000810000-0x0000000000B24000-memory.dmp

Filesize
3.1MB

Download
memory/2756-15-0x0000000000810000-0x0000000000B24000-memory.dmp

Filesize
3.1MB

Download
memory/2756-17-0x0000000000811000-0x0000000000879000-memory.dmp

Filesize
416KB

Download
memory/2756-5-0x0000000000810000-0x0000000000B24000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads