amadey | 62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002

Analysis

max time kernel
291s
max time network
269s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 22:33

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General

Target

62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe
Size

1.8MB
MD5

e7e993e227df277d7c59722dba1d44f0
SHA1

f1c84da199752fad6a1ef064ccb99dc09c0e81ae
SHA256

62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002
SHA512

033875f13d2096ae15c4265862a076ebb72d1b96121158f0d3dde1f75b7ca9fbffd428e2abb18ff864e42698560eae24ffdc0afa2f44a3770b6f4ddafef954b4
SSDEEP

49152:kh21ppRGwsJ2wBVqPSqWeLm3FB2vxU+XGFuhlBrLQ1:DpU8wBVwxLm3FO26

Score

10^/10

amadey 9c9aa5 discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

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

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__	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.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\SystemBiosVersion	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

pid	Process
2492	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	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

pid	Process
2692	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2692	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe
2492	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.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	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2692	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe
2492	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2692	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2492	2692	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe	30
PID 2692 wrote to memory of 2492	2692	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe	30
PID 2692 wrote to memory of 2492	2692	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe	30
PID 2692 wrote to memory of 2492	2692	62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe	30

C:\Users\Admin\AppData\Local\Temp\62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.exe
"C:\Users\Admin\AppData\Local\Temp\62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002.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:2692
- 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:2492

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\abc3bc1985\skotes.exe

Filesize
1.8MB

MD5
e7e993e227df277d7c59722dba1d44f0

SHA1
f1c84da199752fad6a1ef064ccb99dc09c0e81ae

SHA256
62efbcb39b3a11652bec4357241dfbe099eb91ee56d6856a531ce7c29c2eb002

SHA512
033875f13d2096ae15c4265862a076ebb72d1b96121158f0d3dde1f75b7ca9fbffd428e2abb18ff864e42698560eae24ffdc0afa2f44a3770b6f4ddafef954b4

Download Submit
memory/2492-30-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-32-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-51-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-50-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-49-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-48-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-16-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-17-0x00000000009E1000-0x0000000000A0F000-memory.dmp

Filesize
184KB

Download
memory/2492-18-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-20-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-21-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-22-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-23-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-24-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-25-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-26-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-27-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-28-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-29-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-47-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-46-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-33-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-31-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-34-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-35-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-36-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-37-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-38-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-39-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-40-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-41-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-42-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-43-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-44-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2492-45-0x00000000009E0000-0x0000000000E83000-memory.dmp

Filesize
4.6MB

Download
memory/2692-2-0x0000000000291000-0x00000000002BF000-memory.dmp

Filesize
184KB

Download
memory/2692-0-0x0000000000290000-0x0000000000733000-memory.dmp

Filesize
4.6MB

Download
memory/2692-1-0x0000000077100000-0x0000000077102000-memory.dmp

Filesize
8KB

Download
memory/2692-14-0x0000000000290000-0x0000000000733000-memory.dmp

Filesize
4.6MB

Download
memory/2692-5-0x0000000000290000-0x0000000000733000-memory.dmp

Filesize
4.6MB

Download
memory/2692-3-0x0000000000290000-0x0000000000733000-memory.dmp

Filesize
4.6MB

Download