amadey | 631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91

General

Target

631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe
Size

1.8MB
MD5

6c647887fa50b1e2b11f313871f854f9
SHA1

d267af26188dc62cbe2759f851c9abff765e130d
SHA256

631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91
SHA512

78e82405f4249c39b8051faefe58eb77142a70815e1ece8b7a7a76f44362408aa3aa4fdc7b48dac47e50aca1909ab9ff345234460f1bf534706d505496dd2254
SSDEEP

24576:XFWKcW3OuZZL3c7j2u5nWvgAB9zmAk+2+Y8PMLq/5vzsSH0F1nq00wrRz9eLtUko:E7WVZZLs7j2hvgWt1JHPsc0L86EU3P

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:

631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exeskotes.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.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:

skotes.exe631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

Processes:

skotes.exe

pid process

2664 skotes.exe

pid	process
2664	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:

631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exeskotes.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	skotes.exe

Loads dropped DLL 2 IoCs

Processes:

631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe

pid	process
2892	631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe
2892	631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exeskotes.exe

pid process

2892 631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe
2664 skotes.exe
Drops file in Windows directory 1 IoCs

Processes:

631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe

description ioc process

File created C:\Windows\Tasks\skotes.job 631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Tasks\skotes.job	631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe

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:

631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exeskotes.exe

pid process

2892 631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe
2664 skotes.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe

pid process

2892 631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe

description	pid	process	target process
PID 2892 wrote to memory of 2664	2892	631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe	skotes.exe
PID 2892 wrote to memory of 2664	2892	631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe	skotes.exe
PID 2892 wrote to memory of 2664	2892	631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe	skotes.exe
PID 2892 wrote to memory of 2664	2892	631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe	skotes.exe

C:\Users\Admin\AppData\Local\Temp\631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.exe
"C:\Users\Admin\AppData\Local\Temp\631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91.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:2892
- 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:2664

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\abc3bc1985\skotes.exe

Filesize
1.8MB

MD5
6c647887fa50b1e2b11f313871f854f9

SHA1
d267af26188dc62cbe2759f851c9abff765e130d

SHA256
631461baff2c972a573b06942ac6587b3b0e47d8692cb7b5847fec32b35c4e91

SHA512
78e82405f4249c39b8051faefe58eb77142a70815e1ece8b7a7a76f44362408aa3aa4fdc7b48dac47e50aca1909ab9ff345234460f1bf534706d505496dd2254

Download Submit
memory/2664-21-0x00000000010C0000-0x0000000001573000-memory.dmp

Filesize
4.7MB

Download
memory/2664-22-0x00000000010C1000-0x00000000010EF000-memory.dmp

Filesize
184KB

Download
memory/2664-23-0x00000000010C0000-0x0000000001573000-memory.dmp

Filesize
4.7MB

Download
memory/2664-24-0x00000000010C0000-0x0000000001573000-memory.dmp

Filesize
4.7MB

Download
memory/2892-2-0x0000000000C21000-0x0000000000C4F000-memory.dmp

Filesize
184KB

Download
memory/2892-3-0x0000000000C20000-0x00000000010D3000-memory.dmp

Filesize
4.7MB

Download
memory/2892-4-0x0000000000C20000-0x00000000010D3000-memory.dmp

Filesize
4.7MB

Download
memory/2892-9-0x0000000000C20000-0x00000000010D3000-memory.dmp

Filesize
4.7MB

Download
memory/2892-1-0x0000000077030000-0x0000000077032000-memory.dmp

Filesize
8KB

Download
memory/2892-20-0x0000000006880000-0x0000000006D33000-memory.dmp

Filesize
4.7MB

Download
memory/2892-19-0x0000000000C20000-0x00000000010D3000-memory.dmp

Filesize
4.7MB

Download
memory/2892-0-0x0000000000C20000-0x00000000010D3000-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