amadey | 558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
29-06-2024 06:50

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General

Target

558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe
Size

1.8MB
MD5

6a8ce4b708ced711f2f85ad852993283
SHA1

ddfa842d4b8cb41cb2c011e62d57e162423438df
SHA256

558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a
SHA512

e8a7cb324afaaf911ea27540f192f14d1ccbb5204aa6c49d9287053779ba5e0e0e9ca8dea35727505c8758c659a0b8f26bf7f5e4af968960164510d62e841298
SSDEEP

24576:dUYOBWvGxUOZqObho4+RH5UvufEk7/lQrNkDKqpQhi86xFhrDIfaJStXxHjs0Q/T:WJWW5YmhoNEG/ZPKuQw86lXAtBHsKH8

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:

558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.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__	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:

558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.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\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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

4428 explorti.exe
4008 explorti.exe
2928 explorti.exe
1032 explorti.exe

pid	process
4428	explorti.exe
4008	explorti.exe
2928	explorti.exe
1032	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:

558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

3716 558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe
4428 explorti.exe
4008 explorti.exe
2928 explorti.exe
1032 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe

description ioc process

File created C:\Windows\Tasks\explorti.job 558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.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	558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
3716	558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe
3716	558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe
4428	explorti.exe
4428	explorti.exe
4008	explorti.exe
4008	explorti.exe
2928	explorti.exe
2928	explorti.exe
1032	explorti.exe
1032	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe

description	pid	process	target process
PID 3716 wrote to memory of 4428	3716	558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe	explorti.exe
PID 3716 wrote to memory of 4428	3716	558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe	explorti.exe
PID 3716 wrote to memory of 4428	3716	558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe
"C:\Users\Admin\AppData\Local\Temp\558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.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:3716

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:4428

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:4008

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:2928

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:1032

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
6a8ce4b708ced711f2f85ad852993283

SHA1
ddfa842d4b8cb41cb2c011e62d57e162423438df

SHA256
558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a

SHA512
e8a7cb324afaaf911ea27540f192f14d1ccbb5204aa6c49d9287053779ba5e0e0e9ca8dea35727505c8758c659a0b8f26bf7f5e4af968960164510d62e841298

Download Submit
memory/1032-47-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/1032-46-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/2928-38-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/2928-37-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/3716-0-0x00000000009F0000-0x0000000000E9F000-memory.dmp

Filesize
4.7MB

Download
memory/3716-1-0x0000000077DF6000-0x0000000077DF8000-memory.dmp

Filesize
8KB

Download
memory/3716-2-0x00000000009F1000-0x0000000000A1F000-memory.dmp

Filesize
184KB

Download
memory/3716-3-0x00000000009F0000-0x0000000000E9F000-memory.dmp

Filesize
4.7MB

Download
memory/3716-5-0x00000000009F0000-0x0000000000E9F000-memory.dmp

Filesize
4.7MB

Download
memory/3716-16-0x00000000009F0000-0x0000000000E9F000-memory.dmp

Filesize
4.7MB

Download
memory/4008-28-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4008-27-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4008-29-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-34-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-35-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-22-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-24-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-30-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-31-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-32-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-33-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-23-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-26-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-21-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-20-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-39-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-40-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-41-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-42-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-43-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-44-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download
memory/4428-19-0x0000000000A21000-0x0000000000A4F000-memory.dmp

Filesize
184KB

Download
memory/4428-18-0x0000000000A20000-0x0000000000ECF000-memory.dmp

Filesize
4.7MB

Download