amadey | b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
23/04/2024, 06:26

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General

Target

b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe
Size

1.8MB
MD5

aa0f8f64f54a8d34abcd26fdb0363965
SHA1

330879ad9208d1b8e5acfd1166f2bcb3be7cdc77
SHA256

b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a
SHA512

d9d32d51ff98893b6df098d811d0bc0ae02dfc20fd835d5ccda6a013fc1eb5cddcd54abe1fb985434cb48f80a400a4dd4ae7ab0c4562b9552fa1d0b13be7498e
SSDEEP

49152:E3/bn41nP3EAv9KAa3Yf1sh1zjzRmsTc6W+Uco6:Ejn4BUAVSYfOhq4c6j

Score

10^/10

amadey evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.20

http://193.233.132.139

Attributes

install_dir
5454e6f062
install_file
explorta.exe
strings_key
c7a869c5ba1d72480093ec207994e2bf
url_paths
/sev56rkm/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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe

Executes dropped EXE 3 IoCs

pid	Process
4356	explorta.exe
2244	explorta.exe
1124	explorta.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Wine	b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe
Key opened	\REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Wine	explorta.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
932	b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe
4356	explorta.exe
2244	explorta.exe
1124	explorta.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorta.job	b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
932	b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe
932	b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe
4356	explorta.exe
4356	explorta.exe
2244	explorta.exe
2244	explorta.exe
1124	explorta.exe
1124	explorta.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 932 wrote to memory of 4356	932	b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe	78
PID 932 wrote to memory of 4356	932	b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe	78
PID 932 wrote to memory of 4356	932	b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe	78

C:\Users\Admin\AppData\Local\Temp\b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.exe
"C:\Users\Admin\AppData\Local\Temp\b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a.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:932
- C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
  "C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:4356

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:2244

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:1124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe

Filesize
1.8MB

MD5
aa0f8f64f54a8d34abcd26fdb0363965

SHA1
330879ad9208d1b8e5acfd1166f2bcb3be7cdc77

SHA256
b3ae142a09befb0775b411fced220b4d978f78688ff9b74195d28c4fe5c4137a

SHA512
d9d32d51ff98893b6df098d811d0bc0ae02dfc20fd835d5ccda6a013fc1eb5cddcd54abe1fb985434cb48f80a400a4dd4ae7ab0c4562b9552fa1d0b13be7498e

Download Submit
memory/932-0-0x0000000000970000-0x0000000000E1C000-memory.dmp

Filesize
4.7MB

Download
memory/932-1-0x00000000779A6000-0x00000000779A8000-memory.dmp

Filesize
8KB

Download
memory/932-3-0x0000000004E30000-0x0000000004E31000-memory.dmp

Filesize
4KB

Download
memory/932-2-0x0000000004E40000-0x0000000004E41000-memory.dmp

Filesize
4KB

Download
memory/932-5-0x0000000004E10000-0x0000000004E11000-memory.dmp

Filesize
4KB

Download
memory/932-4-0x0000000004E70000-0x0000000004E71000-memory.dmp

Filesize
4KB

Download
memory/932-6-0x0000000004E20000-0x0000000004E21000-memory.dmp

Filesize
4KB

Download
memory/932-7-0x0000000004E50000-0x0000000004E51000-memory.dmp

Filesize
4KB

Download
memory/932-8-0x0000000004E90000-0x0000000004E91000-memory.dmp

Filesize
4KB

Download
memory/932-9-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/932-20-0x0000000000970000-0x0000000000E1C000-memory.dmp

Filesize
4.7MB

Download
memory/1124-58-0x00000000055A0000-0x00000000055A1000-memory.dmp

Filesize
4KB

Download
memory/1124-53-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/1124-60-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/1124-57-0x0000000005590000-0x0000000005591000-memory.dmp

Filesize
4KB

Download
memory/1124-56-0x00000000055F0000-0x00000000055F1000-memory.dmp

Filesize
4KB

Download
memory/1124-55-0x00000000055B0000-0x00000000055B1000-memory.dmp

Filesize
4KB

Download
memory/1124-54-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

Download
memory/1124-59-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/2244-45-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/2244-44-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download
memory/2244-43-0x0000000005200000-0x0000000005201000-memory.dmp

Filesize
4KB

Download
memory/2244-42-0x0000000005260000-0x0000000005261000-memory.dmp

Filesize
4KB

Download
memory/2244-41-0x0000000005220000-0x0000000005221000-memory.dmp

Filesize
4KB

Download
memory/2244-40-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/2244-39-0x0000000005230000-0x0000000005231000-memory.dmp

Filesize
4KB

Download
memory/2244-38-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-35-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-36-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-34-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-33-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-32-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-31-0x0000000005960000-0x0000000005961000-memory.dmp

Filesize
4KB

Download
memory/4356-30-0x0000000005970000-0x0000000005971000-memory.dmp

Filesize
4KB

Download
memory/4356-46-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-47-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-48-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-49-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-50-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-51-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-29-0x0000000005940000-0x0000000005941000-memory.dmp

Filesize
4KB

Download
memory/4356-28-0x00000000058F0000-0x00000000058F1000-memory.dmp

Filesize
4KB

Download
memory/4356-27-0x00000000058E0000-0x00000000058E1000-memory.dmp

Filesize
4KB

Download
memory/4356-26-0x0000000005950000-0x0000000005951000-memory.dmp

Filesize
4KB

Download
memory/4356-25-0x0000000005900000-0x0000000005901000-memory.dmp

Filesize
4KB

Download
memory/4356-23-0x0000000005910000-0x0000000005911000-memory.dmp

Filesize
4KB

Download
memory/4356-24-0x0000000005920000-0x0000000005921000-memory.dmp

Filesize
4KB

Download
memory/4356-22-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-61-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-62-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-63-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download
memory/4356-64-0x0000000000EA0000-0x000000000134C000-memory.dmp

Filesize
4.7MB

Download