amadey | 1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0

General

Target

1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe
Size

3.2MB
MD5

5e5d289e1bbea4c6dca582d676078676
SHA1

e861eb341fdafbf6d913bcdfcb968859c4c69f5c
SHA256

1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0
SHA512

76ee491d0c205b03c6e7da48e8c2367d317daae4cf58be91e6c213f4266106475db88dcb26360ad7904c09451d4083a4efd61692445ced9b41ef5de3fb7c3396
SSDEEP

49152:v54+BI03QAfPAvv2t1EZk1RBbzDVj2IBFMCoJ2bm/T3YoxBrTiJOuzFe:WUfPAnKEZYvbfoIBFMCE2byT31HYF

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__	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.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\VideoBiosVersion	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe
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	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe

Executes dropped EXE 1 IoCs

pid	Process
3068	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

pid	Process
1936	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1936	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe
3068	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.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	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1936	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe
3068	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1936	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 3068	1936	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe	30
PID 1936 wrote to memory of 3068	1936	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe	30
PID 1936 wrote to memory of 3068	1936	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe	30
PID 1936 wrote to memory of 3068	1936	1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe	30

C:\Users\Admin\AppData\Local\Temp\1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.exe
"C:\Users\Admin\AppData\Local\Temp\1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0.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:1936
- 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:3068

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
3.2MB

MD5
5e5d289e1bbea4c6dca582d676078676

SHA1
e861eb341fdafbf6d913bcdfcb968859c4c69f5c

SHA256
1f38a17a0a095de48642a8a639fd2c6225440cd594f0de08a6a76e5736181ef0

SHA512
76ee491d0c205b03c6e7da48e8c2367d317daae4cf58be91e6c213f4266106475db88dcb26360ad7904c09451d4083a4efd61692445ced9b41ef5de3fb7c3396

Download Submit
memory/1936-16-0x0000000006B50000-0x0000000006E80000-memory.dmp

Filesize
3.2MB

Download
memory/1936-1-0x0000000077980000-0x0000000077982000-memory.dmp

Filesize
8KB

Download
memory/1936-3-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/1936-2-0x0000000000E91000-0x0000000000EF9000-memory.dmp

Filesize
416KB

Download
memory/1936-5-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/1936-15-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/1936-0-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/1936-18-0x0000000000E91000-0x0000000000EF9000-memory.dmp

Filesize
416KB

Download
memory/3068-24-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-28-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-19-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-23-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-22-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-17-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-25-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-26-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-27-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-20-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-29-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-30-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-31-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-32-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-33-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-34-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-35-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-36-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-37-0x0000000000E90000-0x00000000011C0000-memory.dmp

Filesize
3.2MB

Download
memory/3068-38-0x0000000000E90000-0x00000000011C0000-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