amadey | a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2

Analysis

max time kernel
296s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
01-05-2024 23:40

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General

Target

a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2.exe
Size

1.9MB
MD5

b78838eaf3d9dca814c22a572ac77e12
SHA1

9201428617f59ad1dce8f956e53b35a289680192
SHA256

a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2
SHA512

3ef132a5735ffb53ad2c19fd97fea3f02ab1c3d6bec9718810d0101c2227b0c0425156921cf7f5cb5d143439cf78d3266a14664d9050fe932025b12959318edb
SSDEEP

49152:eFfD0E5103fhMdsliN+TnuKLCQjiL91IGvDnrNmvdat:ed1+Mqo0TnuKuQ2LvIGbrNmvI

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 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	chrosha.exe

Checks BIOS information in registry 2 TTPs 4 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	a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	chrosha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	chrosha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2.exe

Executes dropped EXE 1 IoCs

pid	Process
2508	chrosha.exe

Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine	a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2.exe
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine	chrosha.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2912	a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2.exe
2508	chrosha.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\chrosha.job	a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2912	a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2.exe
2912	a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2.exe
2508	chrosha.exe
2508	chrosha.exe

C:\Users\Admin\AppData\Local\Temp\a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2.exe
"C:\Users\Admin\AppData\Local\Temp\a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2.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:2912

C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.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:2508

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\4d0ab15804\chrosha.exe

Filesize
1.9MB

MD5
b78838eaf3d9dca814c22a572ac77e12

SHA1
9201428617f59ad1dce8f956e53b35a289680192

SHA256
a7483c83b2b9b341fbe762184aeccf288219e8f5530923cf055cfda9358a63b2

SHA512
3ef132a5735ffb53ad2c19fd97fea3f02ab1c3d6bec9718810d0101c2227b0c0425156921cf7f5cb5d143439cf78d3266a14664d9050fe932025b12959318edb

Download Submit
memory/2508-23-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-42-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-43-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-25-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-41-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-40-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-12-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-13-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-24-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-15-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-16-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-17-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-18-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-19-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-20-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-21-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-22-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-39-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-14-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-38-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-31-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-27-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-28-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-29-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-30-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-26-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-32-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-33-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-34-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-35-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-36-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2508-37-0x0000000000D20000-0x00000000011F4000-memory.dmp

Filesize
4.8MB

Download
memory/2912-2-0x0000000001151000-0x000000000117F000-memory.dmp

Filesize
184KB

Download
memory/2912-0-0x0000000001150000-0x0000000001624000-memory.dmp

Filesize
4.8MB

Download
memory/2912-1-0x0000000077764000-0x0000000077765000-memory.dmp

Filesize
4KB

Download
memory/2912-9-0x0000000001150000-0x0000000001624000-memory.dmp

Filesize
4.8MB

Download
memory/2912-5-0x0000000001150000-0x0000000001624000-memory.dmp

Filesize
4.8MB

Download
memory/2912-3-0x0000000001150000-0x0000000001624000-memory.dmp

Filesize
4.8MB

Download