amadey | ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 02:54

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General

Target

ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe
Size

1.8MB
MD5

71dd514c0a569e5b41474454618814de
SHA1

a169c976a62bafb43d6513edd0dba801118c9eff
SHA256

ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8
SHA512

df57b220c0e39536e12fcf9dfe3de64035315112b46d2223944b3e35fc74da07cd3c9927b29186dedb9adf1e17ced55667dd2b0f6624fb1e946bdfa658daa006
SSDEEP

49152:1rNiZP75Q/Wa5JVDhsx8mUARQhsYU7jgXqQEz:dcZzoNsx8mUAehsYU70qQEz

Score

10^/10

amadey 4dd39d evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

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 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorti.exeexplorti.exeecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.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

Processes:

explorti.exeexplorti.exeecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
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	ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe
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	explorti.exe

Executes dropped EXE 3 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exe

pid process

248 explorti.exe
4540 explorti.exe
4052 explorti.exe

pid	process
248	explorti.exe
4540	explorti.exe
4052	explorti.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

Processes:

ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exeexplorti.exeexplorti.exeexplorti.exe

pid process

2088 ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe
248 explorti.exe
4540 explorti.exe
4052 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe

description ioc process

File created C:\Windows\Tasks\explorti.job ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Tasks\explorti.job	ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
2088	ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe
2088	ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe
248	explorti.exe
248	explorti.exe
4540	explorti.exe
4540	explorti.exe
4052	explorti.exe
4052	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe

pid process

2088 ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe

description	pid	process	target process
PID 2088 wrote to memory of 248	2088	ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe	explorti.exe
PID 2088 wrote to memory of 248	2088	ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe	explorti.exe
PID 2088 wrote to memory of 248	2088	ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe
"C:\Users\Admin\AppData\Local\Temp\ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2088

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:248

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:4540

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:4052

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
Filesize
1.8MB

MD5
71dd514c0a569e5b41474454618814de

SHA1
a169c976a62bafb43d6513edd0dba801118c9eff

SHA256
ecb8a5d642b1895d92da0f2574168d86795a3cbb4c5646ae7e3623c4af36e9c8

SHA512
df57b220c0e39536e12fcf9dfe3de64035315112b46d2223944b3e35fc74da07cd3c9927b29186dedb9adf1e17ced55667dd2b0f6624fb1e946bdfa658daa006

Download Submit
memory/248-36-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-44-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-26-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-43-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-42-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-18-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-41-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-19-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-20-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-21-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-22-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-23-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-24-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-25-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-37-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-35-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-34-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-33-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/248-32-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2088-2-0x00000000002B1000-0x00000000002DF000-memory.dmp

Filesize
184KB

Download
memory/2088-0-0x00000000002B0000-0x0000000000772000-memory.dmp

Filesize
4.8MB

Download
memory/2088-3-0x00000000002B0000-0x0000000000772000-memory.dmp

Filesize
4.8MB

Download
memory/2088-17-0x00000000002B0000-0x0000000000772000-memory.dmp

Filesize
4.8MB

Download
memory/2088-1-0x00000000778B6000-0x00000000778B8000-memory.dmp

Filesize
8KB

Download
memory/2088-5-0x00000000002B0000-0x0000000000772000-memory.dmp

Filesize
4.8MB

Download
memory/4052-39-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/4052-40-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/4540-31-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/4540-30-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/4540-29-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/4540-28-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download