amadey | 4f30e0285d3aac1a24b85e13a7067a801be9cec1aaf14671bdc96778f70d2aa9

General

Target

file.exe
Size

3.0MB
MD5

2afae348eca56f5a910f8e57dcf0a31f
SHA1

a6ac3775a8e74dd2a3efe190af54b488803464b2
SHA256

4f30e0285d3aac1a24b85e13a7067a801be9cec1aaf14671bdc96778f70d2aa9
SHA512

71bfc9e452507034abf6a9c57c4c0d6d40474c2253501a971728ae29b39a5f44be6ee88df2706422d74ea3cd05ac42b8261d2c4b1b8d3af41fba2f8717538dd1
SSDEEP

49152:xOx8PYLHD4HZrE7CGsP1o7nh8J6LcPsnEUFTjnTK2+vyU5/UwICjV:x7FGsPm7nh8J6Lc0EUo2eyU5/dI

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

Downloads MZ/PE file

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\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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe

Executes dropped EXE 1 IoCs

pid	Process
2452	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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	skotes.exe

Loads dropped DLL 2 IoCs

pid	Process
1580	file.exe
1580	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1580	file.exe
2452	skotes.exe

Drops file in Windows directory 1 IoCs

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 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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1580	file.exe
2452	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1580	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 2452	1580	file.exe	28
PID 1580 wrote to memory of 2452	1580	file.exe	28
PID 1580 wrote to memory of 2452	1580	file.exe	28
PID 1580 wrote to memory of 2452	1580	file.exe	28

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:1580
- 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:2452

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\1014430001\dwVrTdy.exe

Filesize
432KB

MD5
f45beece04e7d258ee8248374ea824da

SHA1
76e93903f0c7b1a1866d022fea53d9138d3b53b3

SHA256
a70d1599700b96e9d7e753979808c71e230335f3b8dd5bc4fb46cd77ea154f2c

SHA512
d12251138f12ecc782419160166550b6f23de7abafd09b598449292a9ec40a969954e932617f5fa9354da5edc11c30979078e8e5e69a85b375e0fd06b9faf5c1

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

Filesize
3.0MB

MD5
2afae348eca56f5a910f8e57dcf0a31f

SHA1
a6ac3775a8e74dd2a3efe190af54b488803464b2

SHA256
4f30e0285d3aac1a24b85e13a7067a801be9cec1aaf14671bdc96778f70d2aa9

SHA512
71bfc9e452507034abf6a9c57c4c0d6d40474c2253501a971728ae29b39a5f44be6ee88df2706422d74ea3cd05ac42b8261d2c4b1b8d3af41fba2f8717538dd1

Download Submit
memory/1580-0-0x0000000000A00000-0x0000000000D07000-memory.dmp

Filesize
3.0MB

Download
memory/1580-1-0x00000000771B0000-0x00000000771B2000-memory.dmp

Filesize
8KB

Download
memory/1580-3-0x0000000000A00000-0x0000000000D07000-memory.dmp

Filesize
3.0MB

Download
memory/1580-2-0x0000000000A01000-0x0000000000A69000-memory.dmp

Filesize
416KB

Download
memory/1580-4-0x0000000000A00000-0x0000000000D07000-memory.dmp

Filesize
3.0MB

Download
memory/1580-19-0x0000000006840000-0x0000000006B47000-memory.dmp

Filesize
3.0MB

Download
memory/1580-22-0x0000000000A01000-0x0000000000A69000-memory.dmp

Filesize
416KB

Download
memory/1580-18-0x0000000006840000-0x0000000006B47000-memory.dmp

Filesize
3.0MB

Download
memory/1580-17-0x0000000000A00000-0x0000000000D07000-memory.dmp

Filesize
3.0MB

Download
memory/2452-29-0x0000000000C21000-0x0000000000C89000-memory.dmp

Filesize
416KB

Download
memory/2452-35-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-25-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-27-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-28-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-24-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-30-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-31-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-32-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-33-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-34-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-23-0x0000000000C21000-0x0000000000C89000-memory.dmp

Filesize
416KB

Download
memory/2452-21-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-46-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-47-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-48-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-49-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-50-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-51-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-52-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-63-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-64-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download
memory/2452-65-0x0000000000C20000-0x0000000000F27000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads