amadey | f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
28-04-2024 10:59

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General

Target

f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe
Size

1.8MB
MD5

d229b9f59fb22483d27553712c7c2042
SHA1

ad09965298392356c14528bce165c9b51a771018
SHA256

f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679
SHA512

bf50845a9923974469c569aeaf26cfb0dd606d7c3bdac357b181c056b2988ede2e6d9657f5ac83c18b5521dd908486b39ca5259e5b2e2202e1d0927fcb306582
SSDEEP

49152:jlSYts+0HnyqxME6j/ukP+ZRMIR7ypD4am9fDBGPggdqVwu:jlSY+H3W7jmkPyRMz4awIn6w

Score

10^/10

amadey evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.17

http://193.233.132.167

Attributes

install_dir
4d0ab15804
install_file
chrosha.exe
strings_key
1a9519d7b465e1f4880fa09a6162d768
url_paths
/enigma/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 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe

Identifies Wine through registry keys 2 TTPs 1 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:

f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Wine	f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe

pid process

2752 f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe
Drops file in Windows directory 1 IoCs

Processes:

f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe

description ioc process

File created C:\Windows\Tasks\chrosha.job f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.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\chrosha.job	f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe

pid	process
2752	f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe
2752	f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe

C:\Users\Admin\AppData\Local\Temp\f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.exe
"C:\Users\Admin\AppData\Local\Temp\f037c5fb6c347546b7fca14b26bfdc22bc53b8bf9daed783241501801a5de679.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
PID:2752

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

Replay Monitor

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Downloads

memory/2752-0-0x0000000000A90000-0x0000000000F43000-memory.dmp

Filesize
4.7MB

Download
memory/2752-1-0x00000000770D6000-0x00000000770D8000-memory.dmp

Filesize
8KB

Download
memory/2752-9-0x0000000004B40000-0x0000000004B41000-memory.dmp

Filesize
4KB

Download
memory/2752-2-0x0000000000A90000-0x0000000000F43000-memory.dmp

Filesize
4.7MB

Download
memory/2752-3-0x0000000004B10000-0x0000000004B11000-memory.dmp

Filesize
4KB

Download
memory/2752-4-0x0000000004B20000-0x0000000004B21000-memory.dmp

Filesize
4KB

Download
memory/2752-5-0x0000000004B00000-0x0000000004B01000-memory.dmp

Filesize
4KB

Download
memory/2752-6-0x0000000004B50000-0x0000000004B51000-memory.dmp

Filesize
4KB

Download
memory/2752-7-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

Filesize
4KB

Download
memory/2752-8-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

Filesize
4KB

Download
memory/2752-11-0x0000000004B60000-0x0000000004B61000-memory.dmp

Filesize
4KB

Download
memory/2752-10-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/2752-17-0x0000000000A90000-0x0000000000F43000-memory.dmp

Filesize
4.7MB

Download