amadey | 4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2

Resubmissions

27/09/2024, 11:31

240927-nmra8asgnd 10

27/09/2024, 11:30

240927-nl85mszgmr 10

27/09/2024, 11:19

240927-ne7y1asejg 10

27/09/2024, 11:11

240927-nagk9azckj 10

Analysis

max time kernel
21s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 11:19

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General

Target

4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe
Size

1.8MB
MD5

73acb4cc181aca9525ab9f599500b9ca
SHA1

46a29f8b0e10003f85a8eae8a46473d0344650df
SHA256

4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2
SHA512

f84e777e3591e00a8c7ac53ad47554d100aec16f19e143dd69447cd2d3872975c5c673f2ab1a8c66a164d0dec73d8876a7d9064386eb90c0474e55c2187ce5c0
SSDEEP

49152:yndcjiRsr7EcYYIpTdp08efz7c2QL7nqIGg0HlpI4:eZR66TdWfXc2aTDYI

Score

10^/10

amadey fed3aa discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

http://185.215.113.16

Attributes

install_dir
44111dbc49
install_file
axplong.exe
strings_key
8d0ad6945b1a30a186ec2d30be6db0b5
url_paths
/Jo89Ku7d/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__	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.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\SystemBiosVersion	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe

Executes dropped EXE 1 IoCs

pid	Process
2552	axplong.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-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	axplong.exe

Loads dropped DLL 1 IoCs

pid	Process
2776	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2776	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe
2552	axplong.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2776	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe
2552	axplong.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2776	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2552	2776	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe	30
PID 2776 wrote to memory of 2552	2776	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe	30
PID 2776 wrote to memory of 2552	2776	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe	30
PID 2776 wrote to memory of 2552	2776	4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe	30

C:\Users\Admin\AppData\Local\Temp\4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe
"C:\Users\Admin\AppData\Local\Temp\4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
  "C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2552

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:540

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe

Filesize
1.8MB

MD5
73acb4cc181aca9525ab9f599500b9ca

SHA1
46a29f8b0e10003f85a8eae8a46473d0344650df

SHA256
4bc8ab389044aabd25719e924300530feddae8efa8a485cbfd67de8f347132f2

SHA512
f84e777e3591e00a8c7ac53ad47554d100aec16f19e143dd69447cd2d3872975c5c673f2ab1a8c66a164d0dec73d8876a7d9064386eb90c0474e55c2187ce5c0

Download Submit
memory/2552-19-0x0000000000E80000-0x000000000134B000-memory.dmp

Filesize
4.8MB

Download
memory/2552-25-0x0000000000E80000-0x000000000134B000-memory.dmp

Filesize
4.8MB

Download
memory/2552-24-0x0000000000E80000-0x000000000134B000-memory.dmp

Filesize
4.8MB

Download
memory/2552-23-0x0000000000E80000-0x000000000134B000-memory.dmp

Filesize
4.8MB

Download
memory/2552-22-0x0000000000E80000-0x000000000134B000-memory.dmp

Filesize
4.8MB

Download
memory/2552-20-0x0000000000E80000-0x000000000134B000-memory.dmp

Filesize
4.8MB

Download
memory/2552-18-0x0000000000E80000-0x000000000134B000-memory.dmp

Filesize
4.8MB

Download
memory/2776-5-0x0000000000ED0000-0x000000000139B000-memory.dmp

Filesize
4.8MB

Download
memory/2776-14-0x0000000006770000-0x0000000006C3B000-memory.dmp

Filesize
4.8MB

Download
memory/2776-17-0x0000000000ED0000-0x000000000139B000-memory.dmp

Filesize
4.8MB

Download
memory/2776-10-0x0000000000ED0000-0x000000000139B000-memory.dmp

Filesize
4.8MB

Download
memory/2776-0-0x0000000000ED0000-0x000000000139B000-memory.dmp

Filesize
4.8MB

Download
memory/2776-3-0x0000000000ED0000-0x000000000139B000-memory.dmp

Filesize
4.8MB

Download
memory/2776-2-0x0000000000ED1000-0x0000000000EFF000-memory.dmp

Filesize
184KB

Download
memory/2776-1-0x00000000775D0000-0x00000000775D2000-memory.dmp

Filesize
8KB

Download