amadey | b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f

Analysis

max time kernel
146s
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
30-06-2024 16:50

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General

Target

b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exe
Size

1.8MB
MD5

8d01ae90b889e7d44a397c203c41834a
SHA1

3b399424bc850012afcdf00ada469cadc0b061bf
SHA256

b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f
SHA512

c6d28bb40631dff75581371da2f432be97c2f8fcd6c0bd9755a443be78ebf5497ea1487c49918613908afa008e17e3030ac30f39484d3dc4d8c81a0256f8ef8b
SSDEEP

49152:Vfntm7wifZXMhkq9L/YvIHGcRhUjhy56/0Eqaiw9jFGDukdQ:V12wifi7xqImcRhEh2zBw5FGVd

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:

explorti.exeexplorti.exeb302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.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__	b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.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:

b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.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	b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exe

Executes dropped EXE 3 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exe

pid process

2284 explorti.exe
428 explorti.exe
2888 explorti.exe

pid	process
2284	explorti.exe
428	explorti.exe
2888	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:

b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.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 4 IoCs

Processes:

b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exeexplorti.exeexplorti.exeexplorti.exe

pid process

3000 b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exe
2284 explorti.exe
428 explorti.exe
2888 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exe

description ioc process

File created C:\Windows\Tasks\explorti.job b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.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	b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
3000	b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exe
3000	b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exe
2284	explorti.exe
2284	explorti.exe
428	explorti.exe
428	explorti.exe
2888	explorti.exe
2888	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exe

description	pid	process	target process
PID 3000 wrote to memory of 2284	3000	b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exe	explorti.exe
PID 3000 wrote to memory of 2284	3000	b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exe	explorti.exe
PID 3000 wrote to memory of 2284	3000	b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.exe
"C:\Users\Admin\AppData\Local\Temp\b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f.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:3000

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:2284

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:428

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:2888

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
8d01ae90b889e7d44a397c203c41834a

SHA1
3b399424bc850012afcdf00ada469cadc0b061bf

SHA256
b302c24a9ca520039a37ab16092b16e0d1ba3cbdb3109858eb9f2abf1cf7c17f

SHA512
c6d28bb40631dff75581371da2f432be97c2f8fcd6c0bd9755a443be78ebf5497ea1487c49918613908afa008e17e3030ac30f39484d3dc4d8c81a0256f8ef8b

Download Submit
memory/428-33-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/428-32-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/428-31-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/428-30-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-27-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-39-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-18-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-19-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-20-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-21-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-22-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-23-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-24-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-25-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-26-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-46-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-28-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-45-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-44-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-43-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-38-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-34-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-35-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-36-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2284-37-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2888-41-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/2888-42-0x0000000000330000-0x00000000007C6000-memory.dmp

Filesize
4.6MB

Download
memory/3000-1-0x00000000779F6000-0x00000000779F8000-memory.dmp

Filesize
8KB

Download
memory/3000-17-0x00000000003A0000-0x0000000000836000-memory.dmp

Filesize
4.6MB

Download
memory/3000-2-0x00000000003A1000-0x00000000003CF000-memory.dmp

Filesize
184KB

Download
memory/3000-3-0x00000000003A0000-0x0000000000836000-memory.dmp

Filesize
4.6MB

Download
memory/3000-5-0x00000000003A0000-0x0000000000836000-memory.dmp

Filesize
4.6MB

Download
memory/3000-0-0x00000000003A0000-0x0000000000836000-memory.dmp

Filesize
4.6MB

Download