amadey | 4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be

General

Target

4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe
Size

2.8MB
MD5

716628fb0fdb94b6038ba082cc6f9386
SHA1

9c6f7fb1d8b84505cc76b9fe395da8586c85a71f
SHA256

4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be
SHA512

4c1a0ffa9665bed763be4bec68006e900a84e40719942d3de8c3378dabcb0df377ee628643fe370fcaca24854c50bc055ecf1ab357098c20f020877285d28153
SSDEEP

49152:nRKbgKDEEUZ7N9OWI9vxpjLsR3aC+ApTkN7Mha2:nRKbgKDEEU5bOWIVPjLsh/u

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__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.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	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.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
2748	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe

Loads dropped DLL 2 IoCs

pid	Process
1148	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe
1148	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1148	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe
2748	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.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	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1148	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe
2748	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1148	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 2748	1148	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe	30
PID 1148 wrote to memory of 2748	1148	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe	30
PID 1148 wrote to memory of 2748	1148	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe	30
PID 1148 wrote to memory of 2748	1148	4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe	30

C:\Users\Admin\AppData\Local\Temp\4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.exe
"C:\Users\Admin\AppData\Local\Temp\4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be.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:1148
- 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:2748

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
2.8MB

MD5
716628fb0fdb94b6038ba082cc6f9386

SHA1
9c6f7fb1d8b84505cc76b9fe395da8586c85a71f

SHA256
4dda99439b1a29a9bc4732918ddcbeaf05d23972f3fb31984b1b31cac19260be

SHA512
4c1a0ffa9665bed763be4bec68006e900a84e40719942d3de8c3378dabcb0df377ee628643fe370fcaca24854c50bc055ecf1ab357098c20f020877285d28153

Download Submit
memory/1148-17-0x0000000006720000-0x0000000006A26000-memory.dmp

Filesize
3.0MB

Download
memory/1148-1-0x0000000077640000-0x0000000077642000-memory.dmp

Filesize
8KB

Download
memory/1148-2-0x0000000000A11000-0x0000000000A3F000-memory.dmp

Filesize
184KB

Download
memory/1148-3-0x0000000000A10000-0x0000000000D16000-memory.dmp

Filesize
3.0MB

Download
memory/1148-5-0x0000000000A10000-0x0000000000D16000-memory.dmp

Filesize
3.0MB

Download
memory/1148-18-0x0000000000A10000-0x0000000000D16000-memory.dmp

Filesize
3.0MB

Download
memory/1148-0-0x0000000000A10000-0x0000000000D16000-memory.dmp

Filesize
3.0MB

Download
memory/2748-27-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-32-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-21-0x0000000001341000-0x000000000136F000-memory.dmp

Filesize
184KB

Download
memory/2748-24-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-25-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-26-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-20-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-28-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-29-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-30-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-31-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-22-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-33-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-34-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-35-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-36-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-37-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-38-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-39-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-40-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download
memory/2748-41-0x0000000001340000-0x0000000001646000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads