amadey | ce83aa5c8762fed96db6a856e665a69e7b3a296c228fc98885e51d6391ff6bee

General

Target

file.exe
Size

3.1MB
MD5

059d31dae180ed3ce3bc97bdbf011843
SHA1

a55f3a597c0aa542a00f048884e02dec56fbf70d
SHA256

ce83aa5c8762fed96db6a856e665a69e7b3a296c228fc98885e51d6391ff6bee
SHA512

96947668016a99a4496fdfc33fad04d2759549e12799c434d5ca5f697916a28f76931fb0c01adf8450f1f017248add089ae5d0a295e250a625974a1a18c69bb6
SSDEEP

49152:fZWhO/EACdPe9MVILzd7BnZW/HsoKDzmB/i3FWEuK8fy0ItH:RWhOcAYPe9sILhBw/HAzM6FWDdfyd

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 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 6 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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	file.exe

Executes dropped EXE 2 IoCs

pid	Process
4824	skotes.exe
4676	skotes.exe

Identifies Wine through registry keys 2 TTPs 3 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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
3964	file.exe
4824	skotes.exe
4676	skotes.exe

Drops file in Windows directory 1 IoCs

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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
468	4824	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 3 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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3964	file.exe
3964	file.exe
4824	skotes.exe
4824	skotes.exe
4676	skotes.exe
4676	skotes.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 4824	3964	file.exe	87
PID 3964 wrote to memory of 4824	3964	file.exe	87
PID 3964 wrote to memory of 4824	3964	file.exe	87
PID 4824 wrote to memory of 3760	4824	skotes.exe	92
PID 4824 wrote to memory of 3760	4824	skotes.exe	92
PID 4824 wrote to memory of 3760	4824	skotes.exe	92

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3964
- 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
  - Suspicious use of WriteProcessMemory
  PID:4824
- - C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
    "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
    3⤵
    PID:3760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 1452
    3⤵
    - Program crash
    PID:468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4824 -ip 4824
1⤵
PID:4476

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
1⤵
- 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:4676

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

4

T1012

System Information Discovery

3

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
059d31dae180ed3ce3bc97bdbf011843

SHA1
a55f3a597c0aa542a00f048884e02dec56fbf70d

SHA256
ce83aa5c8762fed96db6a856e665a69e7b3a296c228fc98885e51d6391ff6bee

SHA512
96947668016a99a4496fdfc33fad04d2759549e12799c434d5ca5f697916a28f76931fb0c01adf8450f1f017248add089ae5d0a295e250a625974a1a18c69bb6

Download Submit
memory/3964-16-0x0000000000190000-0x00000000004A2000-memory.dmp

Filesize
3.1MB

Download
memory/3964-1-0x0000000077C94000-0x0000000077C96000-memory.dmp

Filesize
8KB

Download
memory/3964-3-0x0000000000190000-0x00000000004A2000-memory.dmp

Filesize
3.1MB

Download
memory/3964-2-0x0000000000191000-0x00000000001F9000-memory.dmp

Filesize
416KB

Download
memory/3964-4-0x0000000000190000-0x00000000004A2000-memory.dmp

Filesize
3.1MB

Download
memory/3964-18-0x0000000000191000-0x00000000001F9000-memory.dmp

Filesize
416KB

Download
memory/3964-0-0x0000000000190000-0x00000000004A2000-memory.dmp

Filesize
3.1MB

Download
memory/4676-41-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-44-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-43-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-42-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-38-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-40-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-39-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-29-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-30-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-31-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-32-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-33-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-34-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-35-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-36-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4676-37-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4824-17-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4824-27-0x0000000000711000-0x0000000000779000-memory.dmp

Filesize
416KB

Download
memory/4824-26-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4824-23-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4824-22-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4824-21-0x0000000000710000-0x0000000000A22000-memory.dmp

Filesize
3.1MB

Download
memory/4824-20-0x0000000000711000-0x0000000000779000-memory.dmp

Filesize
416KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads