amadey | e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90

Analysis

max time kernel
147s
max time network
150s
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 04:34

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General

Target

e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe
Size

1.8MB
MD5

73a62aa41f004abf1bf5d9e7bf458ca8
SHA1

774baaf0c5dfce3953cf932371ee16ecd48aff6c
SHA256

e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90
SHA512

20319e24f5dd28a1eba1961d6e2f563a654a0c15596761e6511b117cdbdfa466b19912f90da83e72ffdefa90353fc750dc46abb92267d7a639d6799ba694dc44
SSDEEP

24576:gQGeNROSl2+JmrNqd6GRW8X7f6FTEaQTGAPBgRx6F4jV9I1S1jmVjnpR1Su6JSUZ:g9A+NqIG447fqTEHKWGXxEYmNp2

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 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorti.exeexplorti.exee5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exeexplorti.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__	e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.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 10 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.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\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.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
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:

e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe

Executes dropped EXE 4 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

3684 explorti.exe
3160 explorti.exe
4136 explorti.exe
2728 explorti.exe

pid	process
3684	explorti.exe
3160	explorti.exe
4136	explorti.exe
2728	explorti.exe

Identifies Wine through registry keys 2 TTPs 5 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:

e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.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
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 5 IoCs

Processes:

e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

4828 e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe
3684 explorti.exe
3160 explorti.exe
4136 explorti.exe
2728 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe

description ioc process

File created C:\Windows\Tasks\explorti.job e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.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	e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
4828	e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe
4828	e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe
3684	explorti.exe
3684	explorti.exe
3160	explorti.exe
3160	explorti.exe
4136	explorti.exe
4136	explorti.exe
2728	explorti.exe
2728	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe

pid process

4828 e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe

description	pid	process	target process
PID 4828 wrote to memory of 3684	4828	e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe	explorti.exe
PID 4828 wrote to memory of 3684	4828	e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe	explorti.exe
PID 4828 wrote to memory of 3684	4828	e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.exe
"C:\Users\Admin\AppData\Local\Temp\e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90.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:4828

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:3684

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:3160

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:4136

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
73a62aa41f004abf1bf5d9e7bf458ca8

SHA1
774baaf0c5dfce3953cf932371ee16ecd48aff6c

SHA256
e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90

SHA512
20319e24f5dd28a1eba1961d6e2f563a654a0c15596761e6511b117cdbdfa466b19912f90da83e72ffdefa90353fc750dc46abb92267d7a639d6799ba694dc44

Download Submit
memory/2728-45-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/2728-44-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3160-24-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3160-27-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3160-26-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-28-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-31-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-20-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-19-0x0000000000841000-0x000000000086F000-memory.dmp

Filesize
184KB

Download
memory/3684-21-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-22-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-16-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-25-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-46-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-42-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-41-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-29-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-30-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-40-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-32-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-33-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-39-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-38-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/3684-37-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/4136-36-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/4136-35-0x0000000000840000-0x0000000000CDA000-memory.dmp

Filesize
4.6MB

Download
memory/4828-18-0x00000000004F0000-0x000000000098A000-memory.dmp

Filesize
4.6MB

Download
memory/4828-0-0x00000000004F0000-0x000000000098A000-memory.dmp

Filesize
4.6MB

Download
memory/4828-3-0x00000000004F0000-0x000000000098A000-memory.dmp

Filesize
4.6MB

Download
memory/4828-2-0x00000000004F1000-0x000000000051F000-memory.dmp

Filesize
184KB

Download
memory/4828-1-0x0000000077154000-0x0000000077156000-memory.dmp

Filesize
8KB

Download
memory/4828-5-0x00000000004F0000-0x000000000098A000-memory.dmp

Filesize
4.6MB

Download