amadey | 715223f9d8cbff4640796f95054a54aaba8a06c7215d167a13d9f1ebf8bc1f17

General

Target

file.exe
Size

1.8MB
MD5

bd3c9426f58b0aa58a0622b721f7c17f
SHA1

aadbfb4fcc6a8c76b8cc15a62d8e2d7d139a09f6
SHA256

715223f9d8cbff4640796f95054a54aaba8a06c7215d167a13d9f1ebf8bc1f17
SHA512

9de240534deb097953f8971bc716384c9e4118d4fbd7de5bf943408c9a92e610542538b2f9396d8bf3fab679837d22a8201cad3973fa07d44664a882d8a02c15
SSDEEP

49152:f2WQLeJOxsLgCUbwqBgOlr3LaaQsxkw6k3Jb9Agk0B8r:+leJO6gDbwqBj5+LokRk3Jb9e

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

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

description	ioc	Process
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

Executes dropped EXE 1 IoCs

pid	Process
2468	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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	file.exe

Loads dropped DLL 2 IoCs

pid	Process
2904	file.exe
2904	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2904	file.exe
2468	skotes.exe

Drops file in Windows directory 1 IoCs

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

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 2 IoCs

pid	Process
2904	file.exe
2468	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2904	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2468	2904	file.exe	30
PID 2904 wrote to memory of 2468	2904	file.exe	30
PID 2904 wrote to memory of 2468	2904	file.exe	30
PID 2904 wrote to memory of 2468	2904	file.exe	30

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:2904
- 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:2468

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

1

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
bd3c9426f58b0aa58a0622b721f7c17f

SHA1
aadbfb4fcc6a8c76b8cc15a62d8e2d7d139a09f6

SHA256
715223f9d8cbff4640796f95054a54aaba8a06c7215d167a13d9f1ebf8bc1f17

SHA512
9de240534deb097953f8971bc716384c9e4118d4fbd7de5bf943408c9a92e610542538b2f9396d8bf3fab679837d22a8201cad3973fa07d44664a882d8a02c15

Download Submit
memory/2468-37-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-36-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-28-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-29-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-43-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-42-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-22-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-41-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-40-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-39-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-38-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-30-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-26-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-25-0x0000000001111000-0x000000000113F000-memory.dmp

Filesize
184KB

Download
memory/2468-35-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-44-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-34-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-31-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-32-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2468-33-0x0000000001110000-0x00000000015AE000-memory.dmp

Filesize
4.6MB

Download
memory/2904-2-0x0000000000E31000-0x0000000000E5F000-memory.dmp

Filesize
184KB

Download
memory/2904-3-0x0000000000E30000-0x00000000012CE000-memory.dmp

Filesize
4.6MB

Download
memory/2904-19-0x0000000000E30000-0x00000000012CE000-memory.dmp

Filesize
4.6MB

Download
memory/2904-0-0x0000000000E30000-0x00000000012CE000-memory.dmp

Filesize
4.6MB

Download
memory/2904-20-0x00000000062A0000-0x000000000673E000-memory.dmp

Filesize
4.6MB

Download
memory/2904-24-0x0000000000E30000-0x00000000012CE000-memory.dmp

Filesize
4.6MB

Download
memory/2904-7-0x0000000000E30000-0x00000000012CE000-memory.dmp

Filesize
4.6MB

Download
memory/2904-21-0x00000000062A0000-0x000000000673E000-memory.dmp

Filesize
4.6MB

Download
memory/2904-1-0x00000000770E0000-0x00000000770E2000-memory.dmp

Filesize
8KB

Download
memory/2904-5-0x0000000000E30000-0x00000000012CE000-memory.dmp

Filesize
4.6MB

Download
memory/2904-4-0x0000000000E30000-0x00000000012CE000-memory.dmp

Filesize
4.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads