amadey | 5d6ad40672e983babdcec63f661fe3090b5b419f61b537223496a24225f07dc3

General

Target

file.exe
Size

1.9MB
MD5

c801c7a0284db76d7e8774811061ec52
SHA1

856a65d648fa4f89ec16f4e68703314445b601a9
SHA256

5d6ad40672e983babdcec63f661fe3090b5b419f61b537223496a24225f07dc3
SHA512

0c2197f830aa8fc57cd0904a17847ec4d956d0aeefd76da7d594c7320cc5bdd251474df06ced72b42241c9e097395abe9374ffff317009d2d422b2ebc5835282
SSDEEP

49152:DAPad9zzlGb1kW6gLzW1qngDOg0ZPzh2qQM2VBj:DMa/lGv6GzW2gDOggPZQM2V

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
1272	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	skotes.exe

Loads dropped DLL 2 IoCs

pid	Process
2156	file.exe
2156	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2156	file.exe
1272	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
2156	file.exe
1272	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2156	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 1272	2156	file.exe	30
PID 2156 wrote to memory of 1272	2156	file.exe	30
PID 2156 wrote to memory of 1272	2156	file.exe	30
PID 2156 wrote to memory of 1272	2156	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:2156
- 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:1272

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

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

Filesize
1.9MB

MD5
c801c7a0284db76d7e8774811061ec52

SHA1
856a65d648fa4f89ec16f4e68703314445b601a9

SHA256
5d6ad40672e983babdcec63f661fe3090b5b419f61b537223496a24225f07dc3

SHA512
0c2197f830aa8fc57cd0904a17847ec4d956d0aeefd76da7d594c7320cc5bdd251474df06ced72b42241c9e097395abe9374ffff317009d2d422b2ebc5835282

Download Submit
memory/1272-34-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-40-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-26-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-27-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-39-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-38-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-37-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-21-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-36-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-22-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-23-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-25-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-28-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-33-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-35-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-29-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-30-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-31-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/1272-32-0x0000000000F10000-0x00000000013F1000-memory.dmp

Filesize
4.9MB

Download
memory/2156-2-0x00000000010E1000-0x000000000110F000-memory.dmp

Filesize
184KB

Download
memory/2156-0-0x00000000010E0000-0x00000000015C1000-memory.dmp

Filesize
4.9MB

Download
memory/2156-3-0x00000000010E0000-0x00000000015C1000-memory.dmp

Filesize
4.9MB

Download
memory/2156-20-0x00000000067C0000-0x0000000006CA1000-memory.dmp

Filesize
4.9MB

Download
memory/2156-19-0x00000000010E0000-0x00000000015C1000-memory.dmp

Filesize
4.9MB

Download
memory/2156-1-0x0000000077410000-0x0000000077412000-memory.dmp

Filesize
8KB

Download
memory/2156-10-0x00000000010E0000-0x00000000015C1000-memory.dmp

Filesize
4.9MB

Download
memory/2156-5-0x00000000010E0000-0x00000000015C1000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads