amadey | 3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f

General

Target

3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe
Size

1.8MB
MD5

c8f76661917a285c247d9e475832eaf2
SHA1

17673ae7cac3487ba4ffba1bc7b957cda524b3cd
SHA256

3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f
SHA512

300fd86c687fbcdf6873fdd6665692923e853b4f3cbe4e4d22fcce4867d86bcf7efc3d6bd9be75dcd70f3cb0f8c3743c18b9b3ee16ea06017bd8f4696f8dba84
SSDEEP

49152:lrMbEKQFD45av5DhU8ycxyvZbaN7vIk+8ypmeutOu:lgAj5lUOxaZbCHypmJx

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__	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.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	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.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

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe

Executes dropped EXE 3 IoCs

pid	Process
2544	skotes.exe
3216	skotes.exe
2076	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-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2588	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe
2544	skotes.exe
3216	skotes.exe
2076	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.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	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2588	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe
2588	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe
2544	skotes.exe
2544	skotes.exe
3216	skotes.exe
3216	skotes.exe
2076	skotes.exe
2076	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2588	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 2544	2588	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe	83
PID 2588 wrote to memory of 2544	2588	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe	83
PID 2588 wrote to memory of 2544	2588	3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe	83

C:\Users\Admin\AppData\Local\Temp\3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.exe
"C:\Users\Admin\AppData\Local\Temp\3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f.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:2588
- 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:2544

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:3216

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:2076

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
1.8MB

MD5
c8f76661917a285c247d9e475832eaf2

SHA1
17673ae7cac3487ba4ffba1bc7b957cda524b3cd

SHA256
3a8f8791b6b07ac68c37bb5b5e8b13942cdc73210da44c9557ca9463ce847c4f

SHA512
300fd86c687fbcdf6873fdd6665692923e853b4f3cbe4e4d22fcce4867d86bcf7efc3d6bd9be75dcd70f3cb0f8c3743c18b9b3ee16ea06017bd8f4696f8dba84

Download Submit
memory/2076-42-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-27-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-46-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-28-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-45-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-16-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-44-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-19-0x0000000000C41000-0x0000000000C6F000-memory.dmp

Filesize
184KB

Download
memory/2544-20-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-21-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-22-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-23-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-24-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-25-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-26-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-43-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-40-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-39-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-38-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-37-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-36-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2544-35-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/2588-3-0x00000000009C0000-0x0000000000E7B000-memory.dmp

Filesize
4.7MB

Download
memory/2588-1-0x0000000077964000-0x0000000077966000-memory.dmp

Filesize
8KB

Download
memory/2588-5-0x00000000009C0000-0x0000000000E7B000-memory.dmp

Filesize
4.7MB

Download
memory/2588-18-0x00000000009C0000-0x0000000000E7B000-memory.dmp

Filesize
4.7MB

Download
memory/2588-2-0x00000000009C1000-0x00000000009EF000-memory.dmp

Filesize
184KB

Download
memory/2588-0-0x00000000009C0000-0x0000000000E7B000-memory.dmp

Filesize
4.7MB

Download
memory/3216-34-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/3216-32-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/3216-31-0x0000000000C40000-0x00000000010FB000-memory.dmp

Filesize
4.7MB

Download
memory/3216-30-0x0000000000C40000-0x00000000010FB000-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