amadey | e7cad51484c012721dfa9176d49c0997315ee172e7d1a75593784986610b1341

General

Target

random.exe
Size

1.8MB
MD5

a03e20a07660c35c8cd04996da0e5ac2
SHA1

0fc567611de29e2e53508cb1ce496328a6a6615d
SHA256

e7cad51484c012721dfa9176d49c0997315ee172e7d1a75593784986610b1341
SHA512

f5225753f96a7a36974ac9aa7df1f7147bf89b8c45c1be137c77114dff64b7705a92cc862c4c897f3cfc6a50f3b66dd1888620373ae14fc5ff291e73022f8640
SSDEEP

49152:Ms+XGUP9298bv7f3Yr8TwEJoxlkZkj6vd7RMGTnZZL:IXGS929gTqCJU4kul76OnZ5

Score

10^/10

amadey 9c9aa5 defense_evasion discovery 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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	random.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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	random.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	random.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	random.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	skotes.exe

Loads dropped DLL 2 IoCs

pid	Process
3012	random.exe
3012	random.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3012	random.exe
2732	skotes.exe

Drops file in Windows directory 1 IoCs

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

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	random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3012	random.exe
2732	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3012	random.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2732	3012	random.exe	30
PID 3012 wrote to memory of 2732	3012	random.exe	30
PID 3012 wrote to memory of 2732	3012	random.exe	30
PID 3012 wrote to memory of 2732	3012	random.exe	30

C:\Users\Admin\AppData\Local\Temp\random.exe
"C:\Users\Admin\AppData\Local\Temp\random.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:3012
- 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:2732

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

1

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
1.8MB

MD5
a03e20a07660c35c8cd04996da0e5ac2

SHA1
0fc567611de29e2e53508cb1ce496328a6a6615d

SHA256
e7cad51484c012721dfa9176d49c0997315ee172e7d1a75593784986610b1341

SHA512
f5225753f96a7a36974ac9aa7df1f7147bf89b8c45c1be137c77114dff64b7705a92cc862c4c897f3cfc6a50f3b66dd1888620373ae14fc5ff291e73022f8640

Download Submit
memory/2732-34-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-39-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-26-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-40-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-27-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-38-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-37-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-21-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-36-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-22-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-23-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-24-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-41-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-35-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-32-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-29-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-30-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-31-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-28-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/2732-33-0x0000000000DC0000-0x000000000126B000-memory.dmp

Filesize
4.7MB

Download
memory/3012-0-0x0000000000EA0000-0x000000000134B000-memory.dmp

Filesize
4.7MB

Download
memory/3012-2-0x0000000000EA1000-0x0000000000ECF000-memory.dmp

Filesize
184KB

Download
memory/3012-20-0x0000000006910000-0x0000000006DBB000-memory.dmp

Filesize
4.7MB

Download
memory/3012-19-0x0000000000EA0000-0x000000000134B000-memory.dmp

Filesize
4.7MB

Download
memory/3012-1-0x0000000077A20000-0x0000000077A22000-memory.dmp

Filesize
8KB

Download
memory/3012-16-0x0000000006910000-0x0000000006DBB000-memory.dmp

Filesize
4.7MB

Download
memory/3012-4-0x0000000000EA0000-0x000000000134B000-memory.dmp

Filesize
4.7MB

Download
memory/3012-3-0x0000000000EA0000-0x000000000134B000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads