amadey | 0ca3bd578610e0bba109b59ad835e530ce55478f68c14ae5026f7ed86ac334c2

General

Target

random.exe
Size

1.8MB
MD5

5a4986d664e5088868835d0f137fcfcf
SHA1

19a3a8b122817fc1ef7f09e98d080dc28fc82414
SHA256

0ca3bd578610e0bba109b59ad835e530ce55478f68c14ae5026f7ed86ac334c2
SHA512

091196c33218f652f05cebae05299ad10b9c925c22a0ccc71553c5874d6022c47dd4ad4092501faf9c68ae92dadad8aef2d611d5dff9e08b01fe6faa4466abca
SSDEEP

49152:sye536u8PMh0miz2H4Acs/OSLR+VHYztHWlgDPhGi3Zf1k:sye53MPMmzJAcsm+eHAt2laJfG

Score

10^/10

amadey 9c9aa5 defense_evasion discovery 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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
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__	random.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	random.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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	random.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-1-5-21-2206060733-4028293381-3488472159-1000\Control Panel\International\Geo\Nation	random.exe

Executes dropped EXE 3 IoCs

pid	Process
3964	skotes.exe
1700	skotes.exe
4376	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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2206060733-4028293381-3488472159-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2206060733-4028293381-3488472159-1000\Software\Wine	random.exe
Key opened	\REGISTRY\USER\S-1-5-21-2206060733-4028293381-3488472159-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2206060733-4028293381-3488472159-1000\Software\Wine	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2940	random.exe
3964	skotes.exe
1700	skotes.exe
4376	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	random.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	random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2940	random.exe
2940	random.exe
3964	skotes.exe
3964	skotes.exe
1700	skotes.exe
1700	skotes.exe
4376	skotes.exe
4376	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2940	random.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 3964	2940	random.exe	83
PID 2940 wrote to memory of 3964	2940	random.exe	83
PID 2940 wrote to memory of 3964	2940	random.exe	83

C:\Users\Admin\AppData\Local\Temp\random.exe
"C:\Users\Admin\AppData\Local\Temp\random.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:2940
- 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:3964

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:1700

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:4376

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.8MB

MD5
5a4986d664e5088868835d0f137fcfcf

SHA1
19a3a8b122817fc1ef7f09e98d080dc28fc82414

SHA256
0ca3bd578610e0bba109b59ad835e530ce55478f68c14ae5026f7ed86ac334c2

SHA512
091196c33218f652f05cebae05299ad10b9c925c22a0ccc71553c5874d6022c47dd4ad4092501faf9c68ae92dadad8aef2d611d5dff9e08b01fe6faa4466abca

Download Submit
memory/1700-24-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/1700-22-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/1700-21-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/1700-20-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/2940-0-0x0000000000C20000-0x00000000010D7000-memory.dmp

Filesize
4.7MB

Download
memory/2940-1-0x0000000077175000-0x0000000077177000-memory.dmp

Filesize
8KB

Download
memory/2940-2-0x0000000000C21000-0x0000000000C4F000-memory.dmp

Filesize
184KB

Download
memory/2940-3-0x0000000000C20000-0x00000000010D7000-memory.dmp

Filesize
4.7MB

Download
memory/2940-4-0x0000000000C20000-0x00000000010D7000-memory.dmp

Filesize
4.7MB

Download
memory/2940-8-0x0000000000C20000-0x00000000010D7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-18-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-26-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-15-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-16-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-17-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-13-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-12-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-11-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-10-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-9-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-25-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-14-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-27-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-28-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-29-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-30-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-36-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-33-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-34-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/3964-35-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download
memory/4376-32-0x0000000000A00000-0x0000000000EB7000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads