amadey | 9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421

General

Target

9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
Size

1.8MB
MD5

fa6419e8f5a6bee481357f2a1f40efeb
SHA1

666ca974b3918ca19323fe9813a14cb4790f028f
SHA256

9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421
SHA512

862feebede8863728cc3d34b48c0d3acea31279e96c39957a8b4e84f7d771ce65c7620a6fbeb80dd2e8c0bc9d6117e8d6ac63afeac3d0d0b89e28a48e1dc5dfa
SSDEEP

49152:3/1G+rnmxTDSNCpLm3AThjsWq4YYFreG:Po+rnmxTDSYpLhj9ZeG

Score

10^/10

amadey 4dd39d evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes

install_dir
ad40971b6b
install_file
explorti.exe
strings_key
a434973ad22def7137dbb5e059b7081e
url_paths
/Hun4Ko/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan 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__	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.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	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe

Executes dropped EXE 1 IoCs

pid	Process
3024	explorti.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-1-5-21-2737914667-933161113-3798636211-1000\Software\Wine	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Wine	explorti.exe

Loads dropped DLL 1 IoCs

pid	Process
2108	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2108	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
3024	explorti.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorti.job	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2108	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
3024	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2108	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 3024	2108	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe	29
PID 2108 wrote to memory of 3024	2108	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe	29
PID 2108 wrote to memory of 3024	2108	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe	29
PID 2108 wrote to memory of 3024	2108	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe	29

C:\Users\Admin\AppData\Local\Temp\9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
"C:\Users\Admin\AppData\Local\Temp\9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
  "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:3024

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

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

Filesize
1.8MB

MD5
fa6419e8f5a6bee481357f2a1f40efeb

SHA1
666ca974b3918ca19323fe9813a14cb4790f028f

SHA256
9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421

SHA512
862feebede8863728cc3d34b48c0d3acea31279e96c39957a8b4e84f7d771ce65c7620a6fbeb80dd2e8c0bc9d6117e8d6ac63afeac3d0d0b89e28a48e1dc5dfa

Download Submit
memory/2108-15-0x0000000000B80000-0x0000000001038000-memory.dmp

Filesize
4.7MB

Download
memory/2108-1-0x0000000076EA0000-0x0000000076EA2000-memory.dmp

Filesize
8KB

Download
memory/2108-2-0x0000000000B81000-0x0000000000BAF000-memory.dmp

Filesize
184KB

Download
memory/2108-3-0x0000000000B80000-0x0000000001038000-memory.dmp

Filesize
4.7MB

Download
memory/2108-5-0x0000000000B80000-0x0000000001038000-memory.dmp

Filesize
4.7MB

Download
memory/2108-0-0x0000000000B80000-0x0000000001038000-memory.dmp

Filesize
4.7MB

Download
memory/3024-23-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-26-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-18-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-20-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-21-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-16-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-22-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-24-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-25-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-17-0x00000000013B1000-0x00000000013DF000-memory.dmp

Filesize
184KB

Download
memory/3024-27-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-28-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-29-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-30-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-31-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-32-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-33-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-34-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-35-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download
memory/3024-36-0x00000000013B0000-0x0000000001868000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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