amadey | 3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd

Analysis

max time kernel
143s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2024 22:29

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General

Target

3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe
Size

1.8MB
MD5

603ff32dcc7cc81c87252c37be3f19f8
SHA1

beab04e8dac5ea3fdaf4ee51800ea1dbccf8fd18
SHA256

3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd
SHA512

5eb5e0b164d8a274e6c343910e6184bca3bb477792922640e30e9ef32253ae0dfb0484a232c9ff50473992a84be02c672a43bc9508574fa63b1d13ce647b721b
SSDEEP

24576:HpSph3Uoaymw/Af+ZavzBrjmvKTAdfhsh9EFtUODNLJcZU/Yb5w8AWc+7mTCxPVf:HpqRgcvj5hLJo5cj+ESVaGrT

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:

3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.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__	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.exe3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.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	3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.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

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:

3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe

Executes dropped EXE 3 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exe

pid process

2380 explorti.exe
1556 explorti.exe
2896 explorti.exe

pid	process
2380	explorti.exe
1556	explorti.exe
2896	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:

explorti.exe3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exeexplorti.exeexplorti.exeexplorti.exe

pid process

4884 3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe
2380 explorti.exe
1556 explorti.exe
2896 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe

description ioc process

File created C:\Windows\Tasks\explorti.job 3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.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	3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
4884	3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe
4884	3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe
2380	explorti.exe
2380	explorti.exe
1556	explorti.exe
1556	explorti.exe
2896	explorti.exe
2896	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe

pid process

4884 3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe

description	pid	process	target process
PID 4884 wrote to memory of 2380	4884	3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe	explorti.exe
PID 4884 wrote to memory of 2380	4884	3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe	explorti.exe
PID 4884 wrote to memory of 2380	4884	3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.exe
"C:\Users\Admin\AppData\Local\Temp\3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4884

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:2380

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:1556

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:2896

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
603ff32dcc7cc81c87252c37be3f19f8

SHA1
beab04e8dac5ea3fdaf4ee51800ea1dbccf8fd18

SHA256
3c31c2c86b307e006bc252f2be1ca23ef04dc3257acc1ae780ad7e44a1337afd

SHA512
5eb5e0b164d8a274e6c343910e6184bca3bb477792922640e30e9ef32253ae0dfb0484a232c9ff50473992a84be02c672a43bc9508574fa63b1d13ce647b721b

Download Submit
memory/1556-28-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/1556-34-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/1556-31-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/1556-32-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/1556-30-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-19-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-29-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-48-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-20-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-21-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-22-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-23-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-24-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-25-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-26-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-47-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-18-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-46-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-45-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-44-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-43-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-35-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-36-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-37-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-38-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2380-39-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2896-42-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/2896-41-0x0000000000BB0000-0x000000000105C000-memory.dmp

Filesize
4.7MB

Download
memory/4884-1-0x0000000077954000-0x0000000077956000-memory.dmp

Filesize
8KB

Download
memory/4884-2-0x0000000000D81000-0x0000000000DAF000-memory.dmp

Filesize
184KB

Download
memory/4884-3-0x0000000000D80000-0x000000000122C000-memory.dmp

Filesize
4.7MB

Download
memory/4884-5-0x0000000000D80000-0x000000000122C000-memory.dmp

Filesize
4.7MB

Download
memory/4884-16-0x0000000000D80000-0x000000000122C000-memory.dmp

Filesize
4.7MB

Download
memory/4884-0-0x0000000000D80000-0x000000000122C000-memory.dmp

Filesize
4.7MB

Download