amadey | 2f66b770e77265722c0de698db8c61e8dcb8c8883100a9f16f5d4b92067c1667

General

Target

file.exe
Size

1.9MB
MD5

15e30b215f9ffa75cb1b5286ab26b6d0
SHA1

80b925698720de26222a4d7415d7a3fd711168e6
SHA256

2f66b770e77265722c0de698db8c61e8dcb8c8883100a9f16f5d4b92067c1667
SHA512

07671ee48bcad3227533758762185fbc7e2368eebd1466360946679cb0a47ce62c0f9b8fbc4c0f06b293bf539b9cf46d82f1b12821b4f0e1f218f61464153311
SSDEEP

49152:SYoLk1jvI12b/7453Q6eRjtw4Vp3D7ZIETY9Axyh7r:9nIz3xKjW4uETY9AY5

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:

file.exeskotes.exe

description ioc process

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

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.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.exefile.exe

description	ioc	process
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

Executes dropped EXE 1 IoCs

Processes:

skotes.exe

pid process

2888 skotes.exe

pid	process
2888	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:

file.exeskotes.exe

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

Loads dropped DLL 1 IoCs

Processes:

file.exe

pid process

2524 file.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

file.exeskotes.exe

pid process

2524 file.exe
2888 skotes.exe
Drops file in Windows directory 1 IoCs

Processes:

file.exe

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 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:

file.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language file.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exeskotes.exe

pid process

2524 file.exe
2888 skotes.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

file.exe

pid process

2524 file.exe

pid	process
2524	file.exe

pid	process
2524	file.exe
2888	skotes.exe

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

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

pid	process
2524	file.exe
2888	skotes.exe

pid	process
2524	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

file.exe

description	pid	process	target process
PID 2524 wrote to memory of 2888	2524	file.exe	skotes.exe
PID 2524 wrote to memory of 2888	2524	file.exe	skotes.exe
PID 2524 wrote to memory of 2888	2524	file.exe	skotes.exe
PID 2524 wrote to memory of 2888	2524	file.exe	skotes.exe

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:2524
- 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:2888

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
1.9MB

MD5
15e30b215f9ffa75cb1b5286ab26b6d0

SHA1
80b925698720de26222a4d7415d7a3fd711168e6

SHA256
2f66b770e77265722c0de698db8c61e8dcb8c8883100a9f16f5d4b92067c1667

SHA512
07671ee48bcad3227533758762185fbc7e2368eebd1466360946679cb0a47ce62c0f9b8fbc4c0f06b293bf539b9cf46d82f1b12821b4f0e1f218f61464153311

Download Submit
memory/2524-11-0x0000000000810000-0x0000000000CE0000-memory.dmp

Filesize
4.8MB

Download
memory/2524-16-0x0000000000810000-0x0000000000CE0000-memory.dmp

Filesize
4.8MB

Download
memory/2524-3-0x0000000000810000-0x0000000000CE0000-memory.dmp

Filesize
4.8MB

Download
memory/2524-4-0x0000000000810000-0x0000000000CE0000-memory.dmp

Filesize
4.8MB

Download
memory/2524-6-0x0000000000810000-0x0000000000CE0000-memory.dmp

Filesize
4.8MB

Download
memory/2524-0-0x0000000000810000-0x0000000000CE0000-memory.dmp

Filesize
4.8MB

Download
memory/2524-1-0x0000000077B00000-0x0000000077B02000-memory.dmp

Filesize
8KB

Download
memory/2524-2-0x0000000000811000-0x000000000083F000-memory.dmp

Filesize
184KB

Download
memory/2524-17-0x0000000006570000-0x0000000006A40000-memory.dmp

Filesize
4.8MB

Download
memory/2888-18-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2888-19-0x0000000001341000-0x000000000136F000-memory.dmp

Filesize
184KB

Download
memory/2888-21-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2888-20-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2888-23-0x0000000001340000-0x0000000001810000-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