amadey | 13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038

Analysis

max time kernel
142s
max time network
119s
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 23:52

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General

Target

13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe
Size

1.8MB
MD5

22316f731fd9d3bd796e5c1eda5b0207
SHA1

742c48529b755e8c01addfb0de3c7bc0dc86abfe
SHA256

13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038
SHA512

0598ab319fbbc5efd0b30b6ed4386c93bd2667226a8b39c6d1f727d2fc40938db8e9f295881888537fffa1cf760f5c5d3fd6dd2f7b604ebcfab9402f60a6a254
SSDEEP

24576:e0TPLCjTXAnBZuQHFqzHM0QcukaX95giAjPQNbRwRa/YblJPNFf294nLzYwY0e/F:FSjT+kaqzH5dC9579RUvHfLEwFe/

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:

13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.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:

explorti.exeexplorti.exeexplorti.exe13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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	13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.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	13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe

Executes dropped EXE 4 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

4884 explorti.exe
2328 explorti.exe
912 explorti.exe
1864 explorti.exe

pid	process
4884	explorti.exe
2328	explorti.exe
912	explorti.exe
1864	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.exeexplorti.exeexplorti.exe13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

2692 13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe
4884 explorti.exe
2328 explorti.exe
912 explorti.exe
1864 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe

description ioc process

File created C:\Windows\Tasks\explorti.job 13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.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	13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
2692	13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe
2692	13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe
4884	explorti.exe
4884	explorti.exe
2328	explorti.exe
2328	explorti.exe
912	explorti.exe
912	explorti.exe
1864	explorti.exe
1864	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe

description	pid	process	target process
PID 2692 wrote to memory of 4884	2692	13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe	explorti.exe
PID 2692 wrote to memory of 4884	2692	13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe	explorti.exe
PID 2692 wrote to memory of 4884	2692	13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.exe
"C:\Users\Admin\AppData\Local\Temp\13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038.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:2692

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:4884

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:2328

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:912

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:1864

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
22316f731fd9d3bd796e5c1eda5b0207

SHA1
742c48529b755e8c01addfb0de3c7bc0dc86abfe

SHA256
13f22edb0593ceae04fa2352bc06279bccfdfa47903a391c47bdbbd212032038

SHA512
0598ab319fbbc5efd0b30b6ed4386c93bd2667226a8b39c6d1f727d2fc40938db8e9f295881888537fffa1cf760f5c5d3fd6dd2f7b604ebcfab9402f60a6a254

Download Submit
memory/912-39-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/912-38-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/1864-48-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/1864-47-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/2328-29-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/2328-24-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/2328-26-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/2692-0-0x0000000000BA0000-0x000000000105D000-memory.dmp

Filesize
4.7MB

Download
memory/2692-1-0x0000000077306000-0x0000000077308000-memory.dmp

Filesize
8KB

Download
memory/2692-2-0x0000000000BA1000-0x0000000000BCF000-memory.dmp

Filesize
184KB

Download
memory/2692-3-0x0000000000BA0000-0x000000000105D000-memory.dmp

Filesize
4.7MB

Download
memory/2692-5-0x0000000000BA0000-0x000000000105D000-memory.dmp

Filesize
4.7MB

Download
memory/2692-17-0x0000000000BA0000-0x000000000105D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-33-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-19-0x0000000000691000-0x00000000006BF000-memory.dmp

Filesize
184KB

Download
memory/4884-25-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-31-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-30-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-32-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-22-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-34-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-35-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-36-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-21-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-27-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-40-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-41-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-42-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-43-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-44-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-45-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-20-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-18-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download
memory/4884-49-0x0000000000690000-0x0000000000B4D000-memory.dmp

Filesize
4.7MB

Download