amadey | ac395b83717805ed5521819d6aa4f6e87556f767bc1a2ec8ceb57d20228fd0d8

General

Target

89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe
Size

2.9MB
MD5

99a7a8ab2463dd70f90e0ab4e0aec4a8
SHA1

b9e2b99b7124d83df3b7cd052231cb35d1d6efcb
SHA256

89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61
SHA512

8e775104cc32b5426fbfe170632ca36949e66701a52b83fd8378b4eca239f928094dfca10ba9ae363c8aaad59f863260427fc5449ea7ca0e22ddda4256326e55
SSDEEP

49152:rXbVHNeIAyjLGBiZQo42rhxAZimUH0wH6faFgmiCk/uIL:rzxXnGBiZQo42rhxAZi0wHymU

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__	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	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	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

pid	Process
2536	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2536	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe
2832	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.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	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2536	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe
2832	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2536	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2832	2536	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe	30
PID 2536 wrote to memory of 2832	2536	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe	30
PID 2536 wrote to memory of 2832	2536	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe	30
PID 2536 wrote to memory of 2832	2536	89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe	30

C:\Users\Admin\AppData\Local\Temp\89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.exe
"C:\Users\Admin\AppData\Local\Temp\89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61.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:2536
- 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:2832

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2.9MB

MD5
99a7a8ab2463dd70f90e0ab4e0aec4a8

SHA1
b9e2b99b7124d83df3b7cd052231cb35d1d6efcb

SHA256
89601168c7196328f763faf4dd415b041c94f6d5fe5c2b7094d49dba69926a61

SHA512
8e775104cc32b5426fbfe170632ca36949e66701a52b83fd8378b4eca239f928094dfca10ba9ae363c8aaad59f863260427fc5449ea7ca0e22ddda4256326e55

Download Submit
memory/2536-0-0x0000000000C70000-0x0000000000F96000-memory.dmp

Filesize
3.1MB

Download
memory/2536-1-0x0000000077050000-0x0000000077052000-memory.dmp

Filesize
8KB

Download
memory/2536-2-0x0000000000C71000-0x0000000000C9F000-memory.dmp

Filesize
184KB

Download
memory/2536-3-0x0000000000C70000-0x0000000000F96000-memory.dmp

Filesize
3.1MB

Download
memory/2536-4-0x0000000000C70000-0x0000000000F96000-memory.dmp

Filesize
3.1MB

Download
memory/2536-16-0x00000000064A0000-0x00000000067C6000-memory.dmp

Filesize
3.1MB

Download
memory/2536-15-0x0000000000C70000-0x0000000000F96000-memory.dmp

Filesize
3.1MB

Download
memory/2832-17-0x0000000000B30000-0x0000000000E56000-memory.dmp

Filesize
3.1MB

Download
memory/2832-18-0x0000000000B30000-0x0000000000E56000-memory.dmp

Filesize
3.1MB

Download
memory/2832-19-0x0000000000B30000-0x0000000000E56000-memory.dmp

Filesize
3.1MB

Download
memory/2832-21-0x0000000000B30000-0x0000000000E56000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads