amadey | e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb

Analysis

max time kernel
143s
max time network
115s
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 16:50

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General

Target

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
Size

1.8MB
MD5

c5389c16aca7d9e433b1acb5684a430c
SHA1

3d5c8bf3e4e94122d7d0f4c2f425edbbfa51fe4d
SHA256

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb
SHA512

bc48746c3391f68d803ae49b21630273acb5d04d2447ee24d1f0eccae7218edfb266a79145ddf50b818fefd9f1818265ebb69e5c99bb5324e0ea9e6eba867e16
SSDEEP

49152:eJWBDlfEr+CvqTByMdTZc6IlaAGcVHKje04:eJ0fEr+mqlyM5IlaADV8e0

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:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.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.exee92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exeexplorti.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	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.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\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:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe

Executes dropped EXE 3 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exe

pid process

5084 explorti.exe
3816 explorti.exe
1900 explorti.exe

pid	process
5084	explorti.exe
3816	explorti.exe
1900	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.exeexplorti.exee92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Wine	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exeexplorti.exeexplorti.exeexplorti.exe

pid process

1620 e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
5084 explorti.exe
3816 explorti.exe
1900 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe

description ioc process

File created C:\Windows\Tasks\explorti.job e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.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	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
1620	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
1620	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
5084	explorti.exe
5084	explorti.exe
3816	explorti.exe
3816	explorti.exe
1900	explorti.exe
1900	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe

pid process

1620 e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe

description	pid	process	target process
PID 1620 wrote to memory of 5084	1620	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe	explorti.exe
PID 1620 wrote to memory of 5084	1620	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe	explorti.exe
PID 1620 wrote to memory of 5084	1620	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
"C:\Users\Admin\AppData\Local\Temp\e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.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:1620

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:5084

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:3816

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:1900

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
c5389c16aca7d9e433b1acb5684a430c

SHA1
3d5c8bf3e4e94122d7d0f4c2f425edbbfa51fe4d

SHA256
e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb

SHA512
bc48746c3391f68d803ae49b21630273acb5d04d2447ee24d1f0eccae7218edfb266a79145ddf50b818fefd9f1818265ebb69e5c99bb5324e0ea9e6eba867e16

Download Submit
memory/1620-17-0x0000000000610000-0x0000000000ABE000-memory.dmp

Filesize
4.7MB

Download
memory/1620-2-0x0000000000611000-0x000000000063F000-memory.dmp

Filesize
184KB

Download
memory/1620-3-0x0000000000610000-0x0000000000ABE000-memory.dmp

Filesize
4.7MB

Download
memory/1620-5-0x0000000000610000-0x0000000000ABE000-memory.dmp

Filesize
4.7MB

Download
memory/1620-1-0x0000000077384000-0x0000000077386000-memory.dmp

Filesize
8KB

Download
memory/1620-0-0x0000000000610000-0x0000000000ABE000-memory.dmp

Filesize
4.7MB

Download
memory/1900-40-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/1900-39-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/3816-28-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/3816-31-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/3816-30-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/3816-29-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-19-0x0000000000631000-0x000000000065F000-memory.dmp

Filesize
184KB

Download
memory/5084-34-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-26-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-24-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-23-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-22-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-21-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-32-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-33-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-25-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-35-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-36-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-37-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-20-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-18-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-41-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-42-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-43-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-44-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download
memory/5084-45-0x0000000000630000-0x0000000000ADE000-memory.dmp

Filesize
4.7MB

Download