amadey | 83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8

General

Target

83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe
Size

3.1MB
MD5

d74ad64e699ef329cc7d1dcdc0274f50
SHA1

53350efe004a426edb4157b6bd584f39ba53c8d8
SHA256

83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8
SHA512

a7af3d21527b8c4f9697ba067983018d5bdb4cb28eb805651441b1c17136d5bc894be2be31cb0d77c0ec76b97898af70304953060a3bb7d1e76cf7e15fcdd9ed
SSDEEP

49152:bTSphcq0Lrw4Gbc/RS0JvkyTdQVJuJqiWjd:b+Sq0Lc486A2vkyxlJqi

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__	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.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	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.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
2740	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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1732	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe
2740	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.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	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1732	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe
2740	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1732	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2740	1732	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe	30
PID 1732 wrote to memory of 2740	1732	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe	30
PID 1732 wrote to memory of 2740	1732	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe	30
PID 1732 wrote to memory of 2740	1732	83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe	30

C:\Users\Admin\AppData\Local\Temp\83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.exe
"C:\Users\Admin\AppData\Local\Temp\83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8N.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:1732
- 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:2740

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
3.1MB

MD5
d74ad64e699ef329cc7d1dcdc0274f50

SHA1
53350efe004a426edb4157b6bd584f39ba53c8d8

SHA256
83a55e22c5b5f7f5fe8e4288964fe219cf5dff1320db728796a4335233d6efd8

SHA512
a7af3d21527b8c4f9697ba067983018d5bdb4cb28eb805651441b1c17136d5bc894be2be31cb0d77c0ec76b97898af70304953060a3bb7d1e76cf7e15fcdd9ed

Download Submit
memory/1732-0-0x0000000000990000-0x0000000000CB8000-memory.dmp

Filesize
3.2MB

Download
memory/1732-1-0x0000000077650000-0x0000000077652000-memory.dmp

Filesize
8KB

Download
memory/1732-2-0x0000000000991000-0x00000000009F9000-memory.dmp

Filesize
416KB

Download
memory/1732-3-0x0000000000990000-0x0000000000CB8000-memory.dmp

Filesize
3.2MB

Download
memory/1732-4-0x0000000000990000-0x0000000000CB8000-memory.dmp

Filesize
3.2MB

Download
memory/1732-14-0x0000000000990000-0x0000000000CB8000-memory.dmp

Filesize
3.2MB

Download
memory/1732-16-0x0000000000991000-0x00000000009F9000-memory.dmp

Filesize
416KB

Download
memory/2740-22-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-28-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-19-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-21-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-17-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-23-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-24-0x0000000000321000-0x0000000000389000-memory.dmp

Filesize
416KB

Download
memory/2740-25-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-27-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-18-0x0000000000321000-0x0000000000389000-memory.dmp

Filesize
416KB

Download
memory/2740-29-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-30-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-31-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-32-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-33-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-34-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-35-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download
memory/2740-36-0x0000000000320000-0x0000000000648000-memory.dmp

Filesize
3.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads