amadey | 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
02-07-2024 15:53

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General

Target

0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe
Size

1.9MB
MD5

f4725cf3a9c819a354f92e948fd2b232
SHA1

00461514d81b209e3678cf018607a1e740dd4477
SHA256

0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187
SHA512

f5f9964981283f443b9cbc67ad2b36f431319a1936fd68e5151c6d49b6e09871acf89a8e8ce068495d7f7bf8eadafdcf3e886d06853d31540ab30f664b40521d
SSDEEP

49152:ZJJxMgkzxDh7ShkFtssfF3dw5c6S7UMMGW:1TkFPffFtsD

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.exeexplorti.exeexplorti.exe0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.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__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.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:

0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.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	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.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

Executes dropped EXE 4 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

3620 explorti.exe
3220 explorti.exe
4496 explorti.exe
3720 explorti.exe

pid	process
3620	explorti.exe
3220	explorti.exe
4496	explorti.exe
3720	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:

explorti.exeexplorti.exe0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

2492 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe
3620 explorti.exe
3220 explorti.exe
4496 explorti.exe
3720 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe

description ioc process

File created C:\Windows\Tasks\explorti.job 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.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	0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
2492	0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe
2492	0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe
3620	explorti.exe
3620	explorti.exe
3220	explorti.exe
3220	explorti.exe
4496	explorti.exe
4496	explorti.exe
3720	explorti.exe
3720	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe

description	pid	process	target process
PID 2492 wrote to memory of 3620	2492	0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe	explorti.exe
PID 2492 wrote to memory of 3620	2492	0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe	explorti.exe
PID 2492 wrote to memory of 3620	2492	0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe
"C:\Users\Admin\AppData\Local\Temp\0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.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:2492

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:3620

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:3220

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:4496

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:3720

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
1.9MB

MD5
f4725cf3a9c819a354f92e948fd2b232

SHA1
00461514d81b209e3678cf018607a1e740dd4477

SHA256
0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187

SHA512
f5f9964981283f443b9cbc67ad2b36f431319a1936fd68e5151c6d49b6e09871acf89a8e8ce068495d7f7bf8eadafdcf3e886d06853d31540ab30f664b40521d

Download Submit
memory/2492-1-0x0000000077E36000-0x0000000077E38000-memory.dmp

Filesize
8KB

Download
memory/2492-2-0x0000000000DE1000-0x0000000000E0F000-memory.dmp

Filesize
184KB

Download
memory/2492-3-0x0000000000DE0000-0x00000000012B8000-memory.dmp

Filesize
4.8MB

Download
memory/2492-5-0x0000000000DE0000-0x00000000012B8000-memory.dmp

Filesize
4.8MB

Download
memory/2492-0-0x0000000000DE0000-0x00000000012B8000-memory.dmp

Filesize
4.8MB

Download
memory/2492-17-0x0000000000DE0000-0x00000000012B8000-memory.dmp

Filesize
4.8MB

Download
memory/3220-23-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3220-26-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3220-25-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3220-24-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-30-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-43-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-20-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-19-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-27-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-28-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-29-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-18-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-31-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-32-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-33-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-34-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-35-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-49-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-48-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-39-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-40-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-41-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-42-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-21-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3620-44-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3720-46-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/3720-47-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/4496-38-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download
memory/4496-37-0x0000000000CD0000-0x00000000011A8000-memory.dmp

Filesize
4.8MB

Download