amadey | 3e8ae41e05e6ea1741384f390d6e781a270035469ff2cf08678f55e0dae67401

General

Target

file.exe
Size

2.8MB
MD5

9dc0a5ebbf0646a38b1bb1b955db0fa0
SHA1

49d4045a7429e901ca1e549d07aa1e92947d6648
SHA256

3e8ae41e05e6ea1741384f390d6e781a270035469ff2cf08678f55e0dae67401
SHA512

c4aac730ece0c6e55187590727242afad77765c777ea36447ba54cd47c92b49e2c54311f4115f21caff963a3f3a705958e94d96df3a79f3ebf2059f2b80a64a2
SSDEEP

49152:47+vMFnbzAfQORD1U3Ny3Gpdjn1/oWq33pN+OTDZcKkcmO6:4KubcfQORD1U303GpdbZoWq35N+sZXk+

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\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

pid	Process
2832	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	skotes.exe

Loads dropped DLL 2 IoCs

pid	Process
1064	file.exe
1064	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1064	file.exe
2832	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 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

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1064	file.exe
2832	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1064	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2832	1064	file.exe	30
PID 1064 wrote to memory of 2832	1064	file.exe	30
PID 1064 wrote to memory of 2832	1064	file.exe	30
PID 1064 wrote to memory of 2832	1064	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:1064
- 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:2832

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

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

Filesize
2.8MB

MD5
9dc0a5ebbf0646a38b1bb1b955db0fa0

SHA1
49d4045a7429e901ca1e549d07aa1e92947d6648

SHA256
3e8ae41e05e6ea1741384f390d6e781a270035469ff2cf08678f55e0dae67401

SHA512
c4aac730ece0c6e55187590727242afad77765c777ea36447ba54cd47c92b49e2c54311f4115f21caff963a3f3a705958e94d96df3a79f3ebf2059f2b80a64a2

Download Submit
memory/1064-14-0x00000000064F0000-0x00000000067FD000-memory.dmp

Filesize
3.1MB

Download
memory/1064-2-0x00000000009F1000-0x0000000000A1F000-memory.dmp

Filesize
184KB

Download
memory/1064-3-0x00000000009F0000-0x0000000000CFD000-memory.dmp

Filesize
3.1MB

Download
memory/1064-4-0x00000000009F0000-0x0000000000CFD000-memory.dmp

Filesize
3.1MB

Download
memory/1064-1-0x0000000077050000-0x0000000077052000-memory.dmp

Filesize
8KB

Download
memory/1064-0-0x00000000009F0000-0x0000000000CFD000-memory.dmp

Filesize
3.1MB

Download
memory/1064-15-0x0000000004E00000-0x000000000510D000-memory.dmp

Filesize
3.1MB

Download
memory/1064-20-0x00000000009F0000-0x0000000000CFD000-memory.dmp

Filesize
3.1MB

Download
memory/2832-21-0x0000000001000000-0x000000000130D000-memory.dmp

Filesize
3.1MB

Download
memory/2832-23-0x0000000001000000-0x000000000130D000-memory.dmp

Filesize
3.1MB

Download
memory/2832-22-0x0000000001001000-0x000000000102F000-memory.dmp

Filesize
184KB

Download
memory/2832-24-0x0000000001000000-0x000000000130D000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads