amadey | f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 06:50

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General

Target

f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
Size

1.8MB
MD5

26c54fa4f5ed69d8859287685785b0d0
SHA1

04f8b257ffba66b72562c2bb3eecf6d9e82d5246
SHA256

f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f
SHA512

5740097c1fec94857c409635159fadc46e4e183dcaa1ddb76ec3115eb5499fd79c526a7f675bf3b22fcf78951a50ffe3c600ad46450fd15996952db5117982d2
SSDEEP

49152:O+cfvRv2XSMhuCFh4pVSyAAPmhAicpjF70aJ:OxR+zR6V3/PmhkpN0

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.exef4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.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__	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.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:

f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.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	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.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

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:

f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe

Executes dropped EXE 4 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

4604 explorti.exe
2120 explorti.exe
5008 explorti.exe
2088 explorti.exe

pid	process
4604	explorti.exe
2120	explorti.exe
5008	explorti.exe
2088	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:

f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

3532 f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
4604 explorti.exe
2120 explorti.exe
5008 explorti.exe
2088 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe

description ioc process

File created C:\Windows\Tasks\explorti.job f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.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	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
3532	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
3532	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
4604	explorti.exe
4604	explorti.exe
2120	explorti.exe
2120	explorti.exe
5008	explorti.exe
5008	explorti.exe
2088	explorti.exe
2088	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe

pid process

3532 f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe

description	pid	process	target process
PID 3532 wrote to memory of 4604	3532	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe	explorti.exe
PID 3532 wrote to memory of 4604	3532	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe	explorti.exe
PID 3532 wrote to memory of 4604	3532	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
"C:\Users\Admin\AppData\Local\Temp\f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.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:3532

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:4604

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:2120

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:2732

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:5008

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:2088

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

Replay Monitor

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Downloads

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

MD5
26c54fa4f5ed69d8859287685785b0d0

SHA1
04f8b257ffba66b72562c2bb3eecf6d9e82d5246

SHA256
f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f

SHA512
5740097c1fec94857c409635159fadc46e4e183dcaa1ddb76ec3115eb5499fd79c526a7f675bf3b22fcf78951a50ffe3c600ad46450fd15996952db5117982d2

Download Submit
memory/2088-49-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/2088-50-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/2120-26-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/2120-28-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/2120-27-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/2120-25-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/3532-2-0x0000000000D91000-0x0000000000DBF000-memory.dmp

Filesize
184KB

Download
memory/3532-3-0x0000000000D90000-0x0000000001253000-memory.dmp

Filesize
4.8MB

Download
memory/3532-4-0x0000000000D90000-0x0000000001253000-memory.dmp

Filesize
4.8MB

Download
memory/3532-5-0x0000000000D90000-0x0000000001253000-memory.dmp

Filesize
4.8MB

Download
memory/3532-1-0x0000000077A44000-0x0000000077A46000-memory.dmp

Filesize
8KB

Download
memory/3532-16-0x0000000000D90000-0x0000000001253000-memory.dmp

Filesize
4.8MB

Download
memory/3532-0-0x0000000000D90000-0x0000000001253000-memory.dmp

Filesize
4.8MB

Download
memory/4604-30-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-37-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-22-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-29-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-21-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-31-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-32-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-33-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-34-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-35-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-36-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-24-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-38-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-19-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-20-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-42-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-43-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-44-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-45-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-46-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/4604-47-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/5008-41-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download
memory/5008-40-0x0000000000C60000-0x0000000001123000-memory.dmp

Filesize
4.8MB

Download