amadey | f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0

Analysis

max time kernel
146s
max time network
152s
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 00:26

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General

Target

f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exe
Size

1.8MB
MD5

b9e5b8b978ff50c03583f24e857ec7dc
SHA1

a670618c99f053d73c5f8985ce30fcd7c7dd3eaf
SHA256

f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0
SHA512

74cd7b6b0e094ae438698120063197d8b702936a2a0cbd3a68495d01ddd13fc73683986ac85188d8f54ff2ecdad98fbdae4be91b81f997db8be6ac3096b04cda
SSDEEP

49152:bcH2sbkD8uNOttM4hIb245zgDJodNAnWxzvcWuKM:M5YDaA4hl45cDJGanWRR

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:

f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.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 8 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.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	f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exe

Executes dropped EXE 3 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exe

pid process

2036 explorti.exe
2924 explorti.exe
1312 explorti.exe

pid	process
2036	explorti.exe
2924	explorti.exe
1312	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:

f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.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
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exeexplorti.exeexplorti.exeexplorti.exe

pid process

1280 f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exe
2036 explorti.exe
2924 explorti.exe
1312 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exe

description ioc process

File created C:\Windows\Tasks\explorti.job f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.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	f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
1280	f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exe
1280	f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exe
2036	explorti.exe
2036	explorti.exe
2924	explorti.exe
2924	explorti.exe
1312	explorti.exe
1312	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exe

description	pid	process	target process
PID 1280 wrote to memory of 2036	1280	f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exe	explorti.exe
PID 1280 wrote to memory of 2036	1280	f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exe	explorti.exe
PID 1280 wrote to memory of 2036	1280	f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.exe
"C:\Users\Admin\AppData\Local\Temp\f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0.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:1280

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:2036

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:2924

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:1312

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
b9e5b8b978ff50c03583f24e857ec7dc

SHA1
a670618c99f053d73c5f8985ce30fcd7c7dd3eaf

SHA256
f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0

SHA512
74cd7b6b0e094ae438698120063197d8b702936a2a0cbd3a68495d01ddd13fc73683986ac85188d8f54ff2ecdad98fbdae4be91b81f997db8be6ac3096b04cda

Download Submit
memory/1280-0-0x0000000000700000-0x0000000000BC7000-memory.dmp

Filesize
4.8MB

Download
memory/1280-1-0x0000000077866000-0x0000000077868000-memory.dmp

Filesize
8KB

Download
memory/1280-2-0x0000000000701000-0x000000000072F000-memory.dmp

Filesize
184KB

Download
memory/1280-3-0x0000000000700000-0x0000000000BC7000-memory.dmp

Filesize
4.8MB

Download
memory/1280-5-0x0000000000700000-0x0000000000BC7000-memory.dmp

Filesize
4.8MB

Download
memory/1280-17-0x0000000000700000-0x0000000000BC7000-memory.dmp

Filesize
4.8MB

Download
memory/1312-43-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/1312-42-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-27-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-37-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-22-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-23-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-24-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-25-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-26-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-19-0x0000000000D31000-0x0000000000D5F000-memory.dmp

Filesize
184KB

Download
memory/2036-28-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-45-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-44-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-18-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-31-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-20-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-35-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-36-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-21-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-38-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-39-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2036-41-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2924-34-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2924-32-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2924-33-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download
memory/2924-30-0x0000000000D30000-0x00000000011F7000-memory.dmp

Filesize
4.8MB

Download