amadey | a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a

General

Target

a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe
Size

3.1MB
MD5

f2b2123b289c47c223ff20d6e8d633d1
SHA1

8a4649721e824067af084c2a6d27fafb451d4e8a
SHA256

a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a
SHA512

c145eb5bf5062bc6a9093dae2c6a32df88a511f6a7d1d599027fe35543fc166d139c84797ed7e0c5ea88f58cbf09c3efe23620939a2fc2c013d17e6a6a676d73
SSDEEP

49152:DryZQ69HUfX6scALvi5XulDHX2j8VyTbJ0z6ySSGV:DkQ69HaXJcALvi5XulDHXu8E5G6

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__	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.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	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.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
2944	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

pid	Process
1236	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1236	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe
2944	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.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 1 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	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1236	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe
2944	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1236	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 2944	1236	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe	30
PID 1236 wrote to memory of 2944	1236	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe	30
PID 1236 wrote to memory of 2944	1236	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe	30
PID 1236 wrote to memory of 2944	1236	a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe	30

C:\Users\Admin\AppData\Local\Temp\a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.exe
"C:\Users\Admin\AppData\Local\Temp\a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a.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:1236
- 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
  - Suspicious behavior: EnumeratesProcesses
  PID:2944

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

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

Filesize
3.1MB

MD5
f2b2123b289c47c223ff20d6e8d633d1

SHA1
8a4649721e824067af084c2a6d27fafb451d4e8a

SHA256
a9594e93fbf414138494e98766e036037b0e6f0aae486867888f78d77d2ebd0a

SHA512
c145eb5bf5062bc6a9093dae2c6a32df88a511f6a7d1d599027fe35543fc166d139c84797ed7e0c5ea88f58cbf09c3efe23620939a2fc2c013d17e6a6a676d73

Download Submit
memory/1236-16-0x0000000000F40000-0x000000000125F000-memory.dmp

Filesize
3.1MB

Download
memory/1236-0-0x0000000000F40000-0x000000000125F000-memory.dmp

Filesize
3.1MB

Download
memory/1236-3-0x0000000000F40000-0x000000000125F000-memory.dmp

Filesize
3.1MB

Download
memory/1236-4-0x0000000000F40000-0x000000000125F000-memory.dmp

Filesize
3.1MB

Download
memory/1236-9-0x0000000000F40000-0x000000000125F000-memory.dmp

Filesize
3.1MB

Download
memory/1236-1-0x00000000773A0000-0x00000000773A2000-memory.dmp

Filesize
8KB

Download
memory/1236-2-0x0000000000F41000-0x0000000000FA9000-memory.dmp

Filesize
416KB

Download
memory/1236-22-0x0000000000F41000-0x0000000000FA9000-memory.dmp

Filesize
416KB

Download
memory/1236-17-0x0000000006160000-0x000000000647F000-memory.dmp

Filesize
3.1MB

Download
memory/2944-19-0x00000000002E1000-0x0000000000349000-memory.dmp

Filesize
416KB

Download
memory/2944-18-0x00000000002E0000-0x00000000005FF000-memory.dmp

Filesize
3.1MB

Download
memory/2944-20-0x00000000002E0000-0x00000000005FF000-memory.dmp

Filesize
3.1MB

Download
memory/2944-24-0x00000000002E0000-0x00000000005FF000-memory.dmp

Filesize
3.1MB

Download
memory/2944-21-0x00000000002E0000-0x00000000005FF000-memory.dmp

Filesize
3.1MB

Download
memory/2944-25-0x00000000002E1000-0x0000000000349000-memory.dmp

Filesize
416KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads