amadey | a4e844ff190e6bb8c0afab32f76630758d7b196ae40062765ab8ff457bf1b9b3

General

Target

file.exe
Size

3.1MB
MD5

326ad6c04a850bb9ba3ce77d62df16e9
SHA1

0368902cb7250e0aef40b8d67606234d5934f5fd
SHA256

a4e844ff190e6bb8c0afab32f76630758d7b196ae40062765ab8ff457bf1b9b3
SHA512

e886e5ea85ce951e89b534edf82f2025c99ea7775c7a35ad66faa005e1cdb66b0634ed61ef4186e68ca555771e5f45c6419b9d6026fd472d38c6d8c6b10af142
SSDEEP

49152:8JEY62WSKePgawimNdQ6i4+n4kJtV6lw8VL:s6XSKeoawimNdQa04kjV61L

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 5 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
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Checks BIOS information in registry 2 TTPs 10 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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
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\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	file.exe

Executes dropped EXE 4 IoCs

pid	Process
1480	skotes.exe
2240	skotes.exe
3512	skotes.exe
4372	skotes.exe

Identifies Wine through registry keys 2 TTPs 5 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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
2356	file.exe
1480	skotes.exe
2240	skotes.exe
3512	skotes.exe
4372	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 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 10 IoCs

pid	Process
2356	file.exe
2356	file.exe
1480	skotes.exe
1480	skotes.exe
2240	skotes.exe
2240	skotes.exe
3512	skotes.exe
3512	skotes.exe
4372	skotes.exe
4372	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2356	file.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 1480	2356	file.exe	82
PID 2356 wrote to memory of 1480	2356	file.exe	82
PID 2356 wrote to memory of 1480	2356	file.exe	82

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
- Checks computer location settings
- Identifies Wine through registry keys
- 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:2356
- 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:1480

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
1⤵
- 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:2240

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
1⤵
- 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:3512

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
1⤵
- 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:4372

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

4

T1012

System Information Discovery

3

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
3.1MB

MD5
326ad6c04a850bb9ba3ce77d62df16e9

SHA1
0368902cb7250e0aef40b8d67606234d5934f5fd

SHA256
a4e844ff190e6bb8c0afab32f76630758d7b196ae40062765ab8ff457bf1b9b3

SHA512
e886e5ea85ce951e89b534edf82f2025c99ea7775c7a35ad66faa005e1cdb66b0634ed61ef4186e68ca555771e5f45c6419b9d6026fd472d38c6d8c6b10af142

Download Submit
memory/1480-41-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-25-0x0000000000021000-0x0000000000089000-memory.dmp

Filesize
416KB

Download
memory/1480-50-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-43-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-37-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-32-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-46-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-45-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-21-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-20-0x0000000000021000-0x0000000000089000-memory.dmp

Filesize
416KB

Download
memory/1480-22-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-23-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-26-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-42-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-36-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-35-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-49-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-44-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-16-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-33-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/1480-34-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/2240-28-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/2240-27-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/2240-29-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/2240-31-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/2356-4-0x0000000000680000-0x00000000009A9000-memory.dmp

Filesize
3.2MB

Download
memory/2356-0-0x0000000000680000-0x00000000009A9000-memory.dmp

Filesize
3.2MB

Download
memory/2356-2-0x0000000000681000-0x00000000006E9000-memory.dmp

Filesize
416KB

Download
memory/2356-18-0x0000000000680000-0x00000000009A9000-memory.dmp

Filesize
3.2MB

Download
memory/2356-19-0x0000000000681000-0x00000000006E9000-memory.dmp

Filesize
416KB

Download
memory/2356-1-0x00000000779D4000-0x00000000779D6000-memory.dmp

Filesize
8KB

Download
memory/2356-3-0x0000000000680000-0x00000000009A9000-memory.dmp

Filesize
3.2MB

Download
memory/3512-40-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/3512-39-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download
memory/4372-48-0x0000000000020000-0x0000000000349000-memory.dmp

Filesize
3.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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