amadey | 12df5f413434f02531f88b0727b96ae8d4ed3c278fc81583dbfd4c0145b43e74

General

Target

file.exe
Size

3.2MB
MD5

7638e458b00be1a00936ab9419267621
SHA1

af82d1c612dc47fb72a4798cbc42057bcc941602
SHA256

12df5f413434f02531f88b0727b96ae8d4ed3c278fc81583dbfd4c0145b43e74
SHA512

82bf4d2509a3763e63a5f066e59e401500253ad145f37b4f33d3bad20797fc77e09e97923085ef365d634e5396495269cf7aeb27da14b062ccb1283e0318877a
SSDEEP

49152:BTMxAHE1CwGlAyzR/Bl2fkYdE7u4oUkJrYWH4w7rsF:BBk1hGlAyzR/BwfkYdE64w4

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 4 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

Checks BIOS information in registry 2 TTPs 8 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	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\VideoBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	file.exe

Executes dropped EXE 3 IoCs

pid	Process
3296	skotes.exe
3684	skotes.exe
3736	skotes.exe

Identifies Wine through registry keys 2 TTPs 4 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-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
5032	file.exe
3296	skotes.exe
3684	skotes.exe
3736	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 8 IoCs

pid	Process
5032	file.exe
5032	file.exe
3296	skotes.exe
3296	skotes.exe
3684	skotes.exe
3684	skotes.exe
3736	skotes.exe
3736	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5032	file.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 3296	5032	file.exe	82
PID 5032 wrote to memory of 3296	5032	file.exe	82
PID 5032 wrote to memory of 3296	5032	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:5032
- 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:3296

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:3684

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:3736

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
3.2MB

MD5
7638e458b00be1a00936ab9419267621

SHA1
af82d1c612dc47fb72a4798cbc42057bcc941602

SHA256
12df5f413434f02531f88b0727b96ae8d4ed3c278fc81583dbfd4c0145b43e74

SHA512
82bf4d2509a3763e63a5f066e59e401500253ad145f37b4f33d3bad20797fc77e09e97923085ef365d634e5396495269cf7aeb27da14b062ccb1283e0318877a

Download Submit
memory/3296-29-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-39-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-49-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-48-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-47-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-43-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-42-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-16-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-21-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-20-0x00000000001F1000-0x0000000000259000-memory.dmp

Filesize
416KB

Download
memory/3296-22-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-23-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-24-0x00000000001F1000-0x0000000000259000-memory.dmp

Filesize
416KB

Download
memory/3296-25-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-26-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-27-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-41-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-40-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-30-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-31-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-28-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3296-38-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3684-35-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3684-37-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3684-34-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3684-33-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3736-46-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/3736-45-0x00000000001F0000-0x000000000051C000-memory.dmp

Filesize
3.2MB

Download
memory/5032-19-0x00000000007A1000-0x0000000000809000-memory.dmp

Filesize
416KB

Download
memory/5032-4-0x00000000007A0000-0x0000000000ACC000-memory.dmp

Filesize
3.2MB

Download
memory/5032-0-0x00000000007A0000-0x0000000000ACC000-memory.dmp

Filesize
3.2MB

Download
memory/5032-2-0x00000000007A1000-0x0000000000809000-memory.dmp

Filesize
416KB

Download
memory/5032-1-0x0000000077804000-0x0000000077806000-memory.dmp

Filesize
8KB

Download
memory/5032-18-0x00000000007A0000-0x0000000000ACC000-memory.dmp

Filesize
3.2MB

Download
memory/5032-3-0x00000000007A0000-0x0000000000ACC000-memory.dmp

Filesize
3.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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