amadey | ab8133e3940b8494475f0a2d041d44b45460bbf40867e318b6bbe57f0564ca89

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2024 22:23

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General

Target

file.exe
Size

3.0MB
MD5

ada8f459ea3db29814821af3a2856194
SHA1

911c7cb758c0a2916f15634f04ce5b89764b65d2
SHA256

ab8133e3940b8494475f0a2d041d44b45460bbf40867e318b6bbe57f0564ca89
SHA512

f9197fb7288855944750939ca5cc6c86ed749be4c7b4619e0f59554de66604d553e00c9c7db9c5b9fcaed1b46b051b042609889482be58eb1b5784c246044c20
SSDEEP

49152:UiLVtU6cgVSi3snIoi3GWus2J1SblVvcoqX+KCV30lreOEd+Y:Zz6ysn63nu5J1SZ5cD+KBJE

Score

10^/10

amadey 9c9aa5 discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

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__	file.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

Downloads MZ/PE file

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	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	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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	file.exe

Executes dropped EXE 3 IoCs

pid	Process
4520	skotes.exe
4204	skotes.exe
3516	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-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4844	file.exe
4520	skotes.exe
4204	skotes.exe
3516	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 8 IoCs

pid	Process
4844	file.exe
4844	file.exe
4520	skotes.exe
4520	skotes.exe
4204	skotes.exe
4204	skotes.exe
3516	skotes.exe
3516	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4844	file.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 4520	4844	file.exe	91
PID 4844 wrote to memory of 4520	4844	file.exe	91
PID 4844 wrote to memory of 4520	4844	file.exe	91

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
- 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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4844
- 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:4520

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:4204

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:3516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3.0MB

MD5
ada8f459ea3db29814821af3a2856194

SHA1
911c7cb758c0a2916f15634f04ce5b89764b65d2

SHA256
ab8133e3940b8494475f0a2d041d44b45460bbf40867e318b6bbe57f0564ca89

SHA512
f9197fb7288855944750939ca5cc6c86ed749be4c7b4619e0f59554de66604d553e00c9c7db9c5b9fcaed1b46b051b042609889482be58eb1b5784c246044c20

Download Submit
memory/3516-60-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/3516-58-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4204-49-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4204-48-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4204-47-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4204-46-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-52-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-54-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-64-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-21-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-63-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-22-0x0000000000981000-0x00000000009E9000-memory.dmp

Filesize
416KB

Download
memory/4520-23-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-24-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-25-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-39-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-40-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-41-0x0000000000981000-0x00000000009E9000-memory.dmp

Filesize
416KB

Download
memory/4520-42-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-43-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-44-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-62-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-61-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-56-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-55-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-51-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4520-53-0x0000000000980000-0x0000000000C8C000-memory.dmp

Filesize
3.0MB

Download
memory/4844-0-0x00000000001B0000-0x00000000004BC000-memory.dmp

Filesize
3.0MB

Download
memory/4844-18-0x00000000001B0000-0x00000000004BC000-memory.dmp

Filesize
3.0MB

Download
memory/4844-4-0x00000000001B0000-0x00000000004BC000-memory.dmp

Filesize
3.0MB

Download
memory/4844-3-0x00000000001B0000-0x00000000004BC000-memory.dmp

Filesize
3.0MB

Download
memory/4844-2-0x00000000001B1000-0x0000000000219000-memory.dmp

Filesize
416KB

Download
memory/4844-1-0x00000000779D4000-0x00000000779D6000-memory.dmp

Filesize
8KB

Download
memory/4844-6-0x00000000001B0000-0x00000000004BC000-memory.dmp

Filesize
3.0MB

Download
memory/4844-7-0x00000000001B0000-0x00000000004BC000-memory.dmp

Filesize
3.0MB

Download
memory/4844-20-0x00000000001B1000-0x0000000000219000-memory.dmp

Filesize
416KB

Download
memory/4844-19-0x00000000001B0000-0x00000000004BC000-memory.dmp

Filesize
3.0MB

Download