amadey | c71570b0770028ad3e31c790390ab3ed7cb582b561cb5a775ea1bb541eb6967e

General

Target

file.exe
Size

1.8MB
MD5

833012c3fea2d5fe7974d1cbba4fc697
SHA1

1633e040bdf2fea553b1fa782b152081c86f403c
SHA256

c71570b0770028ad3e31c790390ab3ed7cb582b561cb5a775ea1bb541eb6967e
SHA512

e05c555409607ce7046c0994619879d8aa1eebaca61b8f0aa9a78ac342601d3b8f7c52665afc59356138118d0c715ffb6d01d86e7cf9737f9d5b6070cb0efe96
SSDEEP

49152:YnKbQQ4tvTNUlSLM0Ikk0FXbPc5JxxMZwsS/:LbNKLSl3kkULk5JxxMZws

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

Processes:

file.exeskotes.exe

description ioc process

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

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

Processes:

file.exeskotes.exe

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

Processes:

skotes.exe

pid process

3040 skotes.exe

pid	process
3040	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

Processes:

file.exeskotes.exe

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

Processes:

file.exe

pid process

2548 file.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

file.exeskotes.exe

pid process

2548 file.exe
3040 skotes.exe
Drops file in Windows directory 1 IoCs

Processes:

file.exe

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

Processes:

file.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language file.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exeskotes.exe

pid process

2548 file.exe
3040 skotes.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

file.exe

pid process

2548 file.exe

pid	process
2548	file.exe

pid	process
2548	file.exe
3040	skotes.exe

description	ioc	process
File created	C:\Windows\Tasks\skotes.job	file.exe

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

pid	process
2548	file.exe
3040	skotes.exe

pid	process
2548	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

file.exe

description	pid	process	target process
PID 2548 wrote to memory of 3040	2548	file.exe	skotes.exe
PID 2548 wrote to memory of 3040	2548	file.exe	skotes.exe
PID 2548 wrote to memory of 3040	2548	file.exe	skotes.exe
PID 2548 wrote to memory of 3040	2548	file.exe	skotes.exe

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:2548
- 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:3040

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

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

Filesize
1.8MB

MD5
833012c3fea2d5fe7974d1cbba4fc697

SHA1
1633e040bdf2fea553b1fa782b152081c86f403c

SHA256
c71570b0770028ad3e31c790390ab3ed7cb582b561cb5a775ea1bb541eb6967e

SHA512
e05c555409607ce7046c0994619879d8aa1eebaca61b8f0aa9a78ac342601d3b8f7c52665afc59356138118d0c715ffb6d01d86e7cf9737f9d5b6070cb0efe96

Download Submit
memory/2548-0-0x0000000001320000-0x00000000017D2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-1-0x0000000077B00000-0x0000000077B02000-memory.dmp

Filesize
8KB

Download
memory/2548-2-0x0000000001321000-0x000000000134F000-memory.dmp

Filesize
184KB

Download
memory/2548-3-0x0000000001320000-0x00000000017D2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-5-0x0000000001320000-0x00000000017D2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-14-0x00000000066E0000-0x0000000006B92000-memory.dmp

Filesize
4.7MB

Download
memory/2548-17-0x0000000001320000-0x00000000017D2000-memory.dmp

Filesize
4.7MB

Download
memory/3040-16-0x0000000000160000-0x0000000000612000-memory.dmp

Filesize
4.7MB

Download
memory/3040-18-0x0000000000161000-0x000000000018F000-memory.dmp

Filesize
184KB

Download
memory/3040-19-0x0000000000160000-0x0000000000612000-memory.dmp

Filesize
4.7MB

Download
memory/3040-21-0x0000000000160000-0x0000000000612000-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