amadey | 20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9a

General

Target

20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.exe
Size

3.1MB
MD5

ae12ca26c7f27430244aac2b2b1aeb80
SHA1

18da98e07066bd23e0f56436c3e6e3f7d50154db
SHA256

20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9a
SHA512

90489c2fb6cc3fc85dd5974f3a12f2604d83c8c2c1b3cfd94eb899e7591f399747ad6eac42a1f243b81ceb43d2aaf53751c6ffc5ba78f2bd27c3a6fbd47a2759
SSDEEP

49152:JjlvlB+DlVHU8jtrN7886FMw0cBeHtA/G4:JjtlB+DlV08pxQ8rcBeHq

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__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.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\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	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.exe

Executes dropped EXE 3 IoCs

pid	Process
3996	skotes.exe
2600	skotes.exe
2536	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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4632	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.exe
3996	skotes.exe
2600	skotes.exe
2536	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.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	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4632	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.exe
4632	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.exe
3996	skotes.exe
3996	skotes.exe
2600	skotes.exe
2600	skotes.exe
2536	skotes.exe
2536	skotes.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 3996	4632	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.exe	83
PID 4632 wrote to memory of 3996	4632	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.exe	83
PID 4632 wrote to memory of 3996	4632	20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.exe	83

C:\Users\Admin\AppData\Local\Temp\20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.exe
"C:\Users\Admin\AppData\Local\Temp\20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9aN.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:4632
- 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:3996

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:2600

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:2536

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
ae12ca26c7f27430244aac2b2b1aeb80

SHA1
18da98e07066bd23e0f56436c3e6e3f7d50154db

SHA256
20e331394117610d939d3ce5340449862266127baa8b7edf83af63b63a6b2f9a

SHA512
90489c2fb6cc3fc85dd5974f3a12f2604d83c8c2c1b3cfd94eb899e7591f399747ad6eac42a1f243b81ceb43d2aaf53751c6ffc5ba78f2bd27c3a6fbd47a2759

Download Submit
memory/2536-44-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/2600-36-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/2600-34-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/2600-33-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-26-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-28-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-17-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-42-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-20-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-19-0x00000000003D1000-0x0000000000439000-memory.dmp

Filesize
416KB

Download
memory/3996-21-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-22-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-23-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-24-0x00000000003D1000-0x0000000000439000-memory.dmp

Filesize
416KB

Download
memory/3996-25-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-41-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-27-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-40-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-29-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-30-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-31-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-39-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-38-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/3996-37-0x00000000003D0000-0x00000000006EA000-memory.dmp

Filesize
3.1MB

Download
memory/4632-2-0x0000000000761000-0x00000000007C9000-memory.dmp

Filesize
416KB

Download
memory/4632-3-0x0000000000760000-0x0000000000A7A000-memory.dmp

Filesize
3.1MB

Download
memory/4632-4-0x0000000000760000-0x0000000000A7A000-memory.dmp

Filesize
3.1MB

Download
memory/4632-14-0x0000000000760000-0x0000000000A7A000-memory.dmp

Filesize
3.1MB

Download
memory/4632-0-0x0000000000760000-0x0000000000A7A000-memory.dmp

Filesize
3.1MB

Download
memory/4632-16-0x0000000000761000-0x00000000007C9000-memory.dmp

Filesize
416KB

Download
memory/4632-1-0x0000000076FE4000-0x0000000076FE6000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads