amadey | ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 19:31

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General

Target

ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe
Size

1.8MB
MD5

7076a0272638693862f34c58198fb9b3
SHA1

ab40554e0f92b8bc3888b5be69deabd93f16e563
SHA256

ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04
SHA512

1a0f2c12439742187ee803675ac0195398e2e386a41265718f8fe31b220d90b23aa49a717bede994103c17e100f2e674f9ebc9f8181fb4ef4b81cb5bc7edd56b
SSDEEP

49152:DzmTXZhMBSAXTGF4kbfFOunSKPmQBUUADV:DIZGGi3VFwUUA

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:

ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.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:

ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe

Executes dropped EXE 3 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exe

pid process

1748 explorti.exe
3420 explorti.exe
3012 explorti.exe

pid	process
1748	explorti.exe
3420	explorti.exe
3012	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:

ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine	ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exeexplorti.exeexplorti.exeexplorti.exe

pid process

1668 ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe
1748 explorti.exe
3420 explorti.exe
3012 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe

description ioc process

File created C:\Windows\Tasks\explorti.job ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.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	ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
1668	ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe
1668	ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe
1748	explorti.exe
1748	explorti.exe
3420	explorti.exe
3420	explorti.exe
3012	explorti.exe
3012	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe

description	pid	process	target process
PID 1668 wrote to memory of 1748	1668	ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe	explorti.exe
PID 1668 wrote to memory of 1748	1668	ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe	explorti.exe
PID 1668 wrote to memory of 1748	1668	ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe
"C:\Users\Admin\AppData\Local\Temp\ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1668

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:1748

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:3420

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:3012

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
7076a0272638693862f34c58198fb9b3

SHA1
ab40554e0f92b8bc3888b5be69deabd93f16e563

SHA256
ccf2d36f20f564d567bfbd238b6fbe47d86b65a096a41ae0ee4a9673003d2f04

SHA512
1a0f2c12439742187ee803675ac0195398e2e386a41265718f8fe31b220d90b23aa49a717bede994103c17e100f2e674f9ebc9f8181fb4ef4b81cb5bc7edd56b

Download Submit
memory/1668-0-0x0000000000FD0000-0x0000000001488000-memory.dmp

Filesize
4.7MB

Download
memory/1668-1-0x0000000077C36000-0x0000000077C38000-memory.dmp

Filesize
8KB

Download
memory/1668-2-0x0000000000FD1000-0x0000000000FFF000-memory.dmp

Filesize
184KB

Download
memory/1668-3-0x0000000000FD0000-0x0000000001488000-memory.dmp

Filesize
4.7MB

Download
memory/1668-5-0x0000000000FD0000-0x0000000001488000-memory.dmp

Filesize
4.7MB

Download
memory/1668-17-0x0000000000FD0000-0x0000000001488000-memory.dmp

Filesize
4.7MB

Download
memory/1748-27-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-38-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-20-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-21-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-22-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-23-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-24-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-25-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-26-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-18-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-46-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-45-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-44-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-43-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-33-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-34-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-35-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-36-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-37-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-19-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/1748-42-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/3012-41-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/3012-40-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/3420-32-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/3420-31-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/3420-30-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download
memory/3420-29-0x0000000000B40000-0x0000000000FF8000-memory.dmp

Filesize
4.7MB

Download