amadey | 280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf

Analysis

max time kernel
143s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 04:25

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General

Target

280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe
Size

1.8MB
MD5

f426761322658d2ceb6517edfb8881f8
SHA1

522e1500ebb76d23ae7d0dd06e6b4b28c2c986a9
SHA256

280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf
SHA512

a82aa4baa9e0ff1d64e20eec92971b6eeb6d67073f8a89921b43823448de48df7f4461fff54f72ef56452bcc4798011ec80debb27d1019d6b129273f56e33a62
SSDEEP

49152:XiRS1P/XYIR7yWKM15PJsctYIacbisMWcIjn6kfb:XR1tR7yWhJscZKUj

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.exeexplorti.exe280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.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__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.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.exe280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exeexplorti.exe

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	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.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

Processes:

280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe

Executes dropped EXE 3 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exe

pid process

2304 explorti.exe
1400 explorti.exe
2728 explorti.exe

pid	process
2304	explorti.exe
1400	explorti.exe
2728	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:

280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exeexplorti.exeexplorti.exeexplorti.exe

pid process

2284 280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe
2304 explorti.exe
1400 explorti.exe
2728 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe

description ioc process

File created C:\Windows\Tasks\explorti.job 280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.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	280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
2284	280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe
2284	280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe
2304	explorti.exe
2304	explorti.exe
1400	explorti.exe
1400	explorti.exe
2728	explorti.exe
2728	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe

description	pid	process	target process
PID 2284 wrote to memory of 2304	2284	280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe	explorti.exe
PID 2284 wrote to memory of 2304	2284	280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe	explorti.exe
PID 2284 wrote to memory of 2304	2284	280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.exe
"C:\Users\Admin\AppData\Local\Temp\280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2284

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:2304

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:1400

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:2728

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
f426761322658d2ceb6517edfb8881f8

SHA1
522e1500ebb76d23ae7d0dd06e6b4b28c2c986a9

SHA256
280e13bfc91b47484214316392515ead3bcfe4c3dfa794b7618346bd560126bf

SHA512
a82aa4baa9e0ff1d64e20eec92971b6eeb6d67073f8a89921b43823448de48df7f4461fff54f72ef56452bcc4798011ec80debb27d1019d6b129273f56e33a62

Download Submit
memory/1400-28-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/1400-31-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/1400-30-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/1400-29-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2284-1-0x00000000775D4000-0x00000000775D6000-memory.dmp

Filesize
8KB

Download
memory/2284-2-0x0000000000EC1000-0x0000000000EEF000-memory.dmp

Filesize
184KB

Download
memory/2284-3-0x0000000000EC0000-0x0000000001385000-memory.dmp

Filesize
4.8MB

Download
memory/2284-5-0x0000000000EC0000-0x0000000001385000-memory.dmp

Filesize
4.8MB

Download
memory/2284-17-0x0000000000EC0000-0x0000000001385000-memory.dmp

Filesize
4.8MB

Download
memory/2284-0-0x0000000000EC0000-0x0000000001385000-memory.dmp

Filesize
4.8MB

Download
memory/2304-19-0x0000000000811000-0x000000000083F000-memory.dmp

Filesize
184KB

Download
memory/2304-34-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-24-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-25-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-26-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-22-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-21-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-20-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-18-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-32-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-33-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-23-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-35-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-36-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-37-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-45-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-44-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-41-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-42-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2304-43-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2728-40-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2728-39-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download