amadey | 41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3

General

Target

41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.exe
Size

1.8MB
MD5

58a5f687a673f156bc43087722eec708
SHA1

036bc60a94c7beb8b135820956f30a64ca4bfe84
SHA256

41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3
SHA512

515b3acc8ddcda9f6c16431b6836d2c46feb70511639e827cd1f265411d4998aa528fe0639caa4b713d4e0bcbb007e9fab416a9f0d73c99fe8f6ac32a260ea6f
SSDEEP

49152:kVm0cSvvsYnPJ4HX5xjP0Y6/ZrQAK7a40iIhacYn1GiQMf:kc0cAvr0P0YCZr1JVar1G5o

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 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.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 8 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	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.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
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	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.exe

Executes dropped EXE 3 IoCs

pid	Process
4048	skotes.exe
1776	skotes.exe
2144	skotes.exe

Identifies Wine through registry keys 2 TTPs 4 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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4804	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.exe
4048	skotes.exe
1776	skotes.exe
2144	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.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	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4804	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.exe
4804	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.exe
4048	skotes.exe
4048	skotes.exe
1776	skotes.exe
1776	skotes.exe
2144	skotes.exe
2144	skotes.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 4048	4804	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.exe	83
PID 4804 wrote to memory of 4048	4804	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.exe	83
PID 4804 wrote to memory of 4048	4804	41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.exe	83

C:\Users\Admin\AppData\Local\Temp\41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.exe
"C:\Users\Admin\AppData\Local\Temp\41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3.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:4804
- 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:4048

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:1776

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:2144

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
1.8MB

MD5
58a5f687a673f156bc43087722eec708

SHA1
036bc60a94c7beb8b135820956f30a64ca4bfe84

SHA256
41c6eb6deedf6fc51d3c80cd6d3fd2b0b1ebe3b96d6efd97da1aa99d719713b3

SHA512
515b3acc8ddcda9f6c16431b6836d2c46feb70511639e827cd1f265411d4998aa528fe0639caa4b713d4e0bcbb007e9fab416a9f0d73c99fe8f6ac32a260ea6f

Download Submit
memory/1776-28-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/1776-32-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/1776-30-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/1776-29-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/2144-40-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-19-0x0000000000B61000-0x0000000000B8F000-memory.dmp

Filesize
184KB

Download
memory/4048-38-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-45-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-20-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-21-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-22-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-23-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-24-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-25-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-26-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-18-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-44-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-43-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-42-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-33-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-34-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-35-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-36-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-37-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4048-41-0x0000000000B60000-0x000000000102A000-memory.dmp

Filesize
4.8MB

Download
memory/4804-1-0x0000000077B54000-0x0000000077B56000-memory.dmp

Filesize
8KB

Download
memory/4804-17-0x0000000000900000-0x0000000000DCA000-memory.dmp

Filesize
4.8MB

Download
memory/4804-2-0x0000000000901000-0x000000000092F000-memory.dmp

Filesize
184KB

Download
memory/4804-3-0x0000000000900000-0x0000000000DCA000-memory.dmp

Filesize
4.8MB

Download
memory/4804-4-0x0000000000900000-0x0000000000DCA000-memory.dmp

Filesize
4.8MB

Download
memory/4804-0-0x0000000000900000-0x0000000000DCA000-memory.dmp

Filesize
4.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads