amadey | 4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36af

General

Target

4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe
Size

3.1MB
MD5

39ff7e279799953cc7b7427f34a64100
SHA1

7a34994eafe0836ad587b19bb1d79244f9a13501
SHA256

4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36af
SHA512

44d68d998849f1487ad13a869bfaf7b99c9a67f85590e566943a5cf4b6471881c0848aabe21b639a70c14b099c398a05b4dfe4675ed50b1542b6f4c7c77b622c
SSDEEP

49152:VZU4IhkOaDxNzMGUnYNO3wjUaBvvJ3jKH:P8WNJJsYNO3ilvvJzK

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 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Checks BIOS information in registry 2 TTPs 6 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	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe

Executes dropped EXE 2 IoCs

pid	Process
4584	skotes.exe
4360	skotes.exe

Identifies Wine through registry keys 2 TTPs 3 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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
1612	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe
4584	skotes.exe
4360	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.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	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1612	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe
1612	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe
4584	skotes.exe
4584	skotes.exe
4360	skotes.exe
4360	skotes.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 4584	1612	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe	83
PID 1612 wrote to memory of 4584	1612	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe	83
PID 1612 wrote to memory of 4584	1612	4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe	83

C:\Users\Admin\AppData\Local\Temp\4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe
"C:\Users\Admin\AppData\Local\Temp\4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36afN.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1612
- 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:4584

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
1⤵
- 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
- Suspicious behavior: EnumeratesProcesses
PID:4360

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

4

T1012

System Information Discovery

3

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
39ff7e279799953cc7b7427f34a64100

SHA1
7a34994eafe0836ad587b19bb1d79244f9a13501

SHA256
4cad2f2d2f0b13197a7cfdfafd629f917bf28e9586f05dfef607ed13e45c36af

SHA512
44d68d998849f1487ad13a869bfaf7b99c9a67f85590e566943a5cf4b6471881c0848aabe21b639a70c14b099c398a05b4dfe4675ed50b1542b6f4c7c77b622c

Download Submit
memory/1612-18-0x0000000000C50000-0x0000000000F6D000-memory.dmp

Filesize
3.1MB

Download
memory/1612-1-0x0000000077D24000-0x0000000077D26000-memory.dmp

Filesize
8KB

Download
memory/1612-2-0x0000000000C51000-0x0000000000CB9000-memory.dmp

Filesize
416KB

Download
memory/1612-3-0x0000000000C50000-0x0000000000F6D000-memory.dmp

Filesize
3.1MB

Download
memory/1612-4-0x0000000000C50000-0x0000000000F6D000-memory.dmp

Filesize
3.1MB

Download
memory/1612-0-0x0000000000C50000-0x0000000000F6D000-memory.dmp

Filesize
3.1MB

Download
memory/1612-19-0x0000000000C51000-0x0000000000CB9000-memory.dmp

Filesize
416KB

Download
memory/4360-33-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4360-34-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4360-38-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4360-36-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-25-0x00000000004F1000-0x0000000000559000-memory.dmp

Filesize
416KB

Download
memory/4584-16-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-20-0x00000000004F1000-0x0000000000559000-memory.dmp

Filesize
416KB

Download
memory/4584-26-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-27-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-28-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-29-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-30-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-31-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-24-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-23-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-35-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-22-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-21-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-39-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-40-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-41-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-42-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download
memory/4584-43-0x00000000004F0000-0x000000000080D000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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