amadey | 23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6

General

Target

23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe
Size

3.1MB
MD5

61775ecf18376d9ae135273b6f2e6aee
SHA1

1be27a9f3ea1f86e11555ad4a9b37745ced3c5e5
SHA256

23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6
SHA512

e6d633779bbdc3f4be33b572578c176d6f49afa2bd20f7189ff0c59980831530b9ac7c01d51f4025030fd59a8dcd553f365ac3927f76123811a6965a35272ca7
SSDEEP

49152:hG7Fjqh4Da9ndRCqsJMYRGWjaepBGo2ldk5ff:huFjqh4u9ndRCqsJMiGWjxPGoCk5n

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__	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.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	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.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

pid	Process
3032	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

pid	Process
3048	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3048	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe
3032	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.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	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3048	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe
3032	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3048	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 3032	3048	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe	30
PID 3048 wrote to memory of 3032	3048	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe	30
PID 3048 wrote to memory of 3032	3048	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe	30
PID 3048 wrote to memory of 3032	3048	23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe	30

C:\Users\Admin\AppData\Local\Temp\23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.exe
"C:\Users\Admin\AppData\Local\Temp\23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6.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:3048
- 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:3032

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
3.1MB

MD5
61775ecf18376d9ae135273b6f2e6aee

SHA1
1be27a9f3ea1f86e11555ad4a9b37745ced3c5e5

SHA256
23fa67dae3581b07f20cd23ed910a6227fb775fad578d83545ccd4aae4a0b3b6

SHA512
e6d633779bbdc3f4be33b572578c176d6f49afa2bd20f7189ff0c59980831530b9ac7c01d51f4025030fd59a8dcd553f365ac3927f76123811a6965a35272ca7

Download Submit
memory/3032-31-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-27-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-25-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-39-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-26-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-17-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-38-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-37-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-36-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-19-0x0000000000B91000-0x0000000000BF9000-memory.dmp

Filesize
416KB

Download
memory/3032-20-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-32-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-23-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-24-0x0000000000B91000-0x0000000000BF9000-memory.dmp

Filesize
416KB

Download
memory/3032-35-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-34-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-22-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-28-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-29-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-30-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3032-33-0x0000000000B90000-0x0000000000EA5000-memory.dmp

Filesize
3.1MB

Download
memory/3048-14-0x0000000000850000-0x0000000000B65000-memory.dmp

Filesize
3.1MB

Download
memory/3048-0-0x0000000000850000-0x0000000000B65000-memory.dmp

Filesize
3.1MB

Download
memory/3048-1-0x0000000077660000-0x0000000077662000-memory.dmp

Filesize
8KB

Download
memory/3048-3-0x0000000000850000-0x0000000000B65000-memory.dmp

Filesize
3.1MB

Download
memory/3048-2-0x0000000000851000-0x00000000008B9000-memory.dmp

Filesize
416KB

Download
memory/3048-15-0x0000000006680000-0x0000000006995000-memory.dmp

Filesize
3.1MB

Download
memory/3048-18-0x0000000000851000-0x00000000008B9000-memory.dmp

Filesize
416KB

Download
memory/3048-5-0x0000000000850000-0x0000000000B65000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads