amadey | c3d0427b8bc9d084ac65b881ec50f55be52650f60850ac05010ccc8d56e3d1cb

General

Target

file.exe
Size

1.8MB
MD5

1daa3a0aa5ed7e06b400a47309ba5003
SHA1

8d475fd4be28ee701dbe5e2fe489fe9e9b3e826d
SHA256

c3d0427b8bc9d084ac65b881ec50f55be52650f60850ac05010ccc8d56e3d1cb
SHA512

bc671cd250579413e693d2a61c2873a776a7c39125addd78b7a39a268c508fb638cd7c552faabd3ac9a53baf4b97086173af09264dd68e2f5a7516b55a3f2ed8
SSDEEP

49152:PMGDMQEgEDs8SLI5GQ3+l1cxRGPfyJgSuOB3X:PMLZuIgQuxpSbF

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
2720	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 1 IoCs

pid	Process
2888	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2888	file.exe
2720	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
2888	file.exe
2720	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2888	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2720	2888	file.exe	30
PID 2888 wrote to memory of 2720	2888	file.exe	30
PID 2888 wrote to memory of 2720	2888	file.exe	30
PID 2888 wrote to memory of 2720	2888	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:2888
- 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:2720

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
1.8MB

MD5
1daa3a0aa5ed7e06b400a47309ba5003

SHA1
8d475fd4be28ee701dbe5e2fe489fe9e9b3e826d

SHA256
c3d0427b8bc9d084ac65b881ec50f55be52650f60850ac05010ccc8d56e3d1cb

SHA512
bc671cd250579413e693d2a61c2873a776a7c39125addd78b7a39a268c508fb638cd7c552faabd3ac9a53baf4b97086173af09264dd68e2f5a7516b55a3f2ed8

Download Submit
memory/2720-16-0x0000000000120000-0x00000000005C8000-memory.dmp

Filesize
4.7MB

Download
memory/2720-17-0x0000000000121000-0x000000000014F000-memory.dmp

Filesize
184KB

Download
memory/2720-18-0x0000000000120000-0x00000000005C8000-memory.dmp

Filesize
4.7MB

Download
memory/2720-20-0x0000000000120000-0x00000000005C8000-memory.dmp

Filesize
4.7MB

Download
memory/2888-0-0x0000000001150000-0x00000000015F8000-memory.dmp

Filesize
4.7MB

Download
memory/2888-1-0x0000000077030000-0x0000000077032000-memory.dmp

Filesize
8KB

Download
memory/2888-2-0x0000000001151000-0x000000000117F000-memory.dmp

Filesize
184KB

Download
memory/2888-3-0x0000000001150000-0x00000000015F8000-memory.dmp

Filesize
4.7MB

Download
memory/2888-4-0x0000000001150000-0x00000000015F8000-memory.dmp

Filesize
4.7MB

Download
memory/2888-15-0x0000000001150000-0x00000000015F8000-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