amadey | c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e

General

Target

c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe
Size

1.9MB
MD5

d43d91d84ec3d88229f5f9a4571c81c3
SHA1

eb5f0914b8a499ceeb116f9a12bebe332a1a446a
SHA256

c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e
SHA512

354f0892a14f249759691e3429b6c4fee920a624f44c8e4ac2bcba4705b039118dce8667b2b8f01c8560eb368fb8434c091e9a3a4c6eabadee121eb81ba2d23f
SSDEEP

49152:SYoLk1jvI12b/7453Q6eRjtw4Vp3D7ZIETY9Axyh7rU:9nIz3xKjW4uETY9AY5w

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

Processes:

c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exeskotes.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.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

Processes:

c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exeskotes.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.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

Processes:

skotes.exe

pid	Process
2756	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

Processes:

c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exeskotes.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

Processes:

c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe

pid	Process
2368	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exeskotes.exe

pid	Process
2368	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe
2756	skotes.exe

Drops file in Windows directory 1 IoCs

Processes:

c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.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

Processes:

c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exeskotes.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exeskotes.exe

pid	Process
2368	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe
2756	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe

pid	Process
2368	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe

description	pid	Process	procid_target
PID 2368 wrote to memory of 2756	2368	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe	30
PID 2368 wrote to memory of 2756	2368	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe	30
PID 2368 wrote to memory of 2756	2368	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe	30
PID 2368 wrote to memory of 2756	2368	c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe	30

C:\Users\Admin\AppData\Local\Temp\c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe
"C:\Users\Admin\AppData\Local\Temp\c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.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:2368
- 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:2756

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.9MB

MD5
d43d91d84ec3d88229f5f9a4571c81c3

SHA1
eb5f0914b8a499ceeb116f9a12bebe332a1a446a

SHA256
c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e

SHA512
354f0892a14f249759691e3429b6c4fee920a624f44c8e4ac2bcba4705b039118dce8667b2b8f01c8560eb368fb8434c091e9a3a4c6eabadee121eb81ba2d23f

Download Submit
memory/2368-0-0x0000000000F10000-0x00000000013E0000-memory.dmp

Filesize
4.8MB

Download
memory/2368-1-0x0000000077A10000-0x0000000077A12000-memory.dmp

Filesize
8KB

Download
memory/2368-2-0x0000000000F11000-0x0000000000F3F000-memory.dmp

Filesize
184KB

Download
memory/2368-3-0x0000000000F10000-0x00000000013E0000-memory.dmp

Filesize
4.8MB

Download
memory/2368-4-0x0000000000F10000-0x00000000013E0000-memory.dmp

Filesize
4.8MB

Download
memory/2368-5-0x0000000000F10000-0x00000000013E0000-memory.dmp

Filesize
4.8MB

Download
memory/2368-7-0x0000000000F10000-0x00000000013E0000-memory.dmp

Filesize
4.8MB

Download
memory/2368-12-0x0000000000F10000-0x00000000013E0000-memory.dmp

Filesize
4.8MB

Download
memory/2368-17-0x0000000000F10000-0x00000000013E0000-memory.dmp

Filesize
4.8MB

Download
memory/2756-20-0x0000000001341000-0x000000000136F000-memory.dmp

Filesize
184KB

Download
memory/2756-29-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-19-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-23-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-24-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-25-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-26-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-27-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-28-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-21-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-30-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-31-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-32-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-33-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-34-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-35-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download
memory/2756-36-0x0000000001340000-0x0000000001810000-memory.dmp

Filesize
4.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads