amadey | ff7b32c4800fb94bfd1cd6b2380b85009a9655a4f7018d117e3285f9d5b2986f

General

Target

file.exe
Size

1.8MB
MD5

60f886c3617266309ac54c0775b86a1e
SHA1

41f813ff0d3455bd4edc34770c6b96066a35ad8c
SHA256

ff7b32c4800fb94bfd1cd6b2380b85009a9655a4f7018d117e3285f9d5b2986f
SHA512

658b6db64dc96a1212fec4bda02beaeb0a41a29c5fb89a854a15999ba0e632754a9fa5ab647084dec78b6d757318d6a7917c19e7e3ef1cc66789d02e6bf4e097
SSDEEP

49152:bqzY90Y24zHWuK0C7RmyKQ1LpxWST1EUtdIrXd4BjjI:OqCUC7Rv7sSWUnIrtmfI

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

Processes:

file.exeskotes.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ file.exe
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ skotes.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.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

Processes:

file.exeskotes.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.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

Processes:

skotes.exe

pid process

2744 skotes.exe

pid	process
2744	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

Processes:

file.exeskotes.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

Processes:

file.exe

pid process

2220 file.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

file.exeskotes.exe

pid process

2220 file.exe
2744 skotes.exe
Drops file in Windows directory 1 IoCs

Processes:

file.exe

description ioc process

File created C:\Windows\Tasks\skotes.job file.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 1 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

Processes:

file.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language file.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exeskotes.exe

pid process

2220 file.exe
2744 skotes.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

file.exe

pid process

2220 file.exe

pid	process
2220	file.exe

pid	process
2220	file.exe
2744	skotes.exe

description	ioc	process
File created	C:\Windows\Tasks\skotes.job	file.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe

pid	process
2220	file.exe
2744	skotes.exe

pid	process
2220	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

file.exe

description	pid	process	target process
PID 2220 wrote to memory of 2744	2220	file.exe	skotes.exe
PID 2220 wrote to memory of 2744	2220	file.exe	skotes.exe
PID 2220 wrote to memory of 2744	2220	file.exe	skotes.exe
PID 2220 wrote to memory of 2744	2220	file.exe	skotes.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:2220
- 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
  - Suspicious behavior: EnumeratesProcesses
  PID:2744

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

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

Filesize
1.8MB

MD5
60f886c3617266309ac54c0775b86a1e

SHA1
41f813ff0d3455bd4edc34770c6b96066a35ad8c

SHA256
ff7b32c4800fb94bfd1cd6b2380b85009a9655a4f7018d117e3285f9d5b2986f

SHA512
658b6db64dc96a1212fec4bda02beaeb0a41a29c5fb89a854a15999ba0e632754a9fa5ab647084dec78b6d757318d6a7917c19e7e3ef1cc66789d02e6bf4e097

Download Submit
memory/2220-0-0x0000000000DE0000-0x000000000128F000-memory.dmp

Filesize
4.7MB

Download
memory/2220-1-0x0000000077500000-0x0000000077502000-memory.dmp

Filesize
8KB

Download
memory/2220-2-0x0000000000DE1000-0x0000000000E0F000-memory.dmp

Filesize
184KB

Download
memory/2220-3-0x0000000000DE0000-0x000000000128F000-memory.dmp

Filesize
4.7MB

Download
memory/2220-4-0x0000000000DE0000-0x000000000128F000-memory.dmp

Filesize
4.7MB

Download
memory/2220-15-0x0000000000DE0000-0x000000000128F000-memory.dmp

Filesize
4.7MB

Download
memory/2744-16-0x0000000000150000-0x00000000005FF000-memory.dmp

Filesize
4.7MB

Download
memory/2744-17-0x0000000000151000-0x000000000017F000-memory.dmp

Filesize
184KB

Download
memory/2744-18-0x0000000000150000-0x00000000005FF000-memory.dmp

Filesize
4.7MB

Download
memory/2744-20-0x0000000000150000-0x00000000005FF000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads