amadey | a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb

General

Target

a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe
Size

2.9MB
MD5

c9624e4e0c6bbc83b57f844d1dc44102
SHA1

b0f8c247986305f8f1f83ea55bb04f6c748557ce
SHA256

a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb
SHA512

0417b2186a7f284a79016bd2cc473768293f2c262400439dac659b0a46cff82f72018f6fbbb3ba41b6d76eeff1f96110f8cd5c4739989dafb17942dd0e9a0d23
SSDEEP

49152:jyKdaGFwF6TL+v1ndNBCT8HlTxD/S8jeHAleOOOOOOOOOOOOOOOOOOOOOOOOOOOU:XdzFwFYLGbNBCT6lV0ll

Score

10^/10

amadey 9c9aa5 discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes

install_dir
abc3bc1985
install_file
skotes.exe
strings_key
8a35cf2ea38c2817dba29a4b5b25dcf0
url_paths
/Zu7JuNko/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey
Amadey family
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__	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	skotes.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe

Loads dropped DLL 1 IoCs

pid	Process
2432	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2432	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe
2788	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.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	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2432	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe
2788	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2432	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2788	2432	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe	31
PID 2432 wrote to memory of 2788	2432	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe	31
PID 2432 wrote to memory of 2788	2432	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe	31
PID 2432 wrote to memory of 2788	2432	a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe	31

C:\Users\Admin\AppData\Local\Temp\a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.exe
"C:\Users\Admin\AppData\Local\Temp\a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb.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:2432
- C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
  "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.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:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

Filesize
2.9MB

MD5
c9624e4e0c6bbc83b57f844d1dc44102

SHA1
b0f8c247986305f8f1f83ea55bb04f6c748557ce

SHA256
a7a661cf43d7129a809901c641998089aff10f97a09bbdf5874ba16c01db5dfb

SHA512
0417b2186a7f284a79016bd2cc473768293f2c262400439dac659b0a46cff82f72018f6fbbb3ba41b6d76eeff1f96110f8cd5c4739989dafb17942dd0e9a0d23

Download Submit
memory/2432-14-0x0000000006AD0000-0x0000000006DF2000-memory.dmp

Filesize
3.1MB

Download
memory/2432-1-0x0000000077210000-0x0000000077212000-memory.dmp

Filesize
8KB

Download
memory/2432-2-0x0000000000B01000-0x0000000000B2F000-memory.dmp

Filesize
184KB

Download
memory/2432-3-0x0000000000B00000-0x0000000000E22000-memory.dmp

Filesize
3.1MB

Download
memory/2432-4-0x0000000000B00000-0x0000000000E22000-memory.dmp

Filesize
3.1MB

Download
memory/2432-5-0x0000000000B00000-0x0000000000E22000-memory.dmp

Filesize
3.1MB

Download
memory/2432-0-0x0000000000B00000-0x0000000000E22000-memory.dmp

Filesize
3.1MB

Download
memory/2432-17-0x0000000000B00000-0x0000000000E22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-24-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-28-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-20-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-22-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-23-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-18-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-25-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-26-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-27-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-19-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-29-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-30-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-31-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-32-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-33-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-34-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-35-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-36-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-37-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download
memory/2788-38-0x0000000000800000-0x0000000000B22000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads