amadey | 203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7

General

Target

203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe
Size

1.8MB
MD5

c873c0af86d36318f23bf63377181cdd
SHA1

1277d3f0a9ceb8260fbe396f2a7369381bfb7406
SHA256

203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7
SHA512

abcfd087c56daf93ae7da1ac7d13aff04be70eab6c2b256fca1b4fa3884771b8da8a1fe4af9a754c5de97f6bb68b1213ba1e1f282e439a1c314b52b46f82add5
SSDEEP

49152:3UD21gzSJUaD6nFX4q0KPulTJW1gERg6tIev8bYe:3UaUSJUabpKP4kIe1

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__	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.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	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe

Executes dropped EXE 3 IoCs

pid	Process
900	skotes.exe
3224	skotes.exe
4824	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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
3028	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe
900	skotes.exe
3224	skotes.exe
4824	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.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	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3028	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe
3028	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe
900	skotes.exe
900	skotes.exe
3224	skotes.exe
3224	skotes.exe
4824	skotes.exe
4824	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3028	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 900	3028	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe	83
PID 3028 wrote to memory of 900	3028	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe	83
PID 3028 wrote to memory of 900	3028	203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe	83

C:\Users\Admin\AppData\Local\Temp\203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.exe
"C:\Users\Admin\AppData\Local\Temp\203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7.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:3028
- 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:900

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:3224

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:4824

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
c873c0af86d36318f23bf63377181cdd

SHA1
1277d3f0a9ceb8260fbe396f2a7369381bfb7406

SHA256
203a5b531b8803628b6aa37e8a7e08a0c83e3f10bba6155e2529cc0bc97548f7

SHA512
abcfd087c56daf93ae7da1ac7d13aff04be70eab6c2b256fca1b4fa3884771b8da8a1fe4af9a754c5de97f6bb68b1213ba1e1f282e439a1c314b52b46f82add5

Download Submit
memory/900-27-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-45-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-26-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-46-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-41-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-16-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-28-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-19-0x0000000000DA1000-0x0000000000DCF000-memory.dmp

Filesize
184KB

Download
memory/900-20-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-21-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-22-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-23-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-24-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-25-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-47-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-40-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-39-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-29-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-38-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-37-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/900-36-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/3028-18-0x0000000000550000-0x0000000000A0A000-memory.dmp

Filesize
4.7MB

Download
memory/3028-2-0x0000000000551000-0x000000000057F000-memory.dmp

Filesize
184KB

Download
memory/3028-1-0x0000000077D54000-0x0000000077D56000-memory.dmp

Filesize
8KB

Download
memory/3028-0-0x0000000000550000-0x0000000000A0A000-memory.dmp

Filesize
4.7MB

Download
memory/3028-4-0x0000000000550000-0x0000000000A0A000-memory.dmp

Filesize
4.7MB

Download
memory/3028-3-0x0000000000550000-0x0000000000A0A000-memory.dmp

Filesize
4.7MB

Download
memory/3224-35-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/3224-33-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/3224-32-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/3224-31-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download
memory/4824-44-0x0000000000DA0000-0x000000000125A000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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