amadey | 96a1eea0f525785429d36cff82916e54227be6a3750796e05d594e952a213ec2

General

Target

FSFEK_random.exe
Size

1.8MB
MD5

2c780bd0b93d85afbad23124cf8994c2
SHA1

267288b40a48cdb0aee1bcf8972f4e25ff72f4ff
SHA256

96a1eea0f525785429d36cff82916e54227be6a3750796e05d594e952a213ec2
SHA512

d2eb2bb12b7484a10f9517c2bb1f1095e5d234aedfa7730b9196e95b004d3db0fb79095a97d1643ee13db04b66f1718f9ab1a479e6fa97f811a6fb503b91bbe9
SSDEEP

49152:He5+t/pl8vQaHskaf98eUfLvELLgsuS0QJt5:He5+tRao2skaV8eSLv2gXG

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__	FSFEK_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	FSFEK_random.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	FSFEK_random.exe

Executes dropped EXE 1 IoCs

pid	Process
2456	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	FSFEK_random.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	skotes.exe

Loads dropped DLL 2 IoCs

pid	Process
2100	FSFEK_random.exe
2100	FSFEK_random.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2100	FSFEK_random.exe
2456	skotes.exe

Drops file in Windows directory 1 IoCs

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2100	FSFEK_random.exe
2456	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2100	FSFEK_random.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2456	2100	FSFEK_random.exe	30
PID 2100 wrote to memory of 2456	2100	FSFEK_random.exe	30
PID 2100 wrote to memory of 2456	2100	FSFEK_random.exe	30
PID 2100 wrote to memory of 2456	2100	FSFEK_random.exe	30

C:\Users\Admin\AppData\Local\Temp\FSFEK_random.exe
"C:\Users\Admin\AppData\Local\Temp\FSFEK_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:2100
- 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:2456

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
1.8MB

MD5
2c780bd0b93d85afbad23124cf8994c2

SHA1
267288b40a48cdb0aee1bcf8972f4e25ff72f4ff

SHA256
96a1eea0f525785429d36cff82916e54227be6a3750796e05d594e952a213ec2

SHA512
d2eb2bb12b7484a10f9517c2bb1f1095e5d234aedfa7730b9196e95b004d3db0fb79095a97d1643ee13db04b66f1718f9ab1a479e6fa97f811a6fb503b91bbe9

Download Submit
memory/2100-17-0x0000000000990000-0x0000000000E61000-memory.dmp

Filesize
4.8MB

Download
memory/2100-1-0x0000000077410000-0x0000000077412000-memory.dmp

Filesize
8KB

Download
memory/2100-2-0x0000000000991000-0x00000000009BF000-memory.dmp

Filesize
184KB

Download
memory/2100-3-0x0000000000990000-0x0000000000E61000-memory.dmp

Filesize
4.8MB

Download
memory/2100-5-0x0000000000990000-0x0000000000E61000-memory.dmp

Filesize
4.8MB

Download
memory/2100-19-0x0000000006DC0000-0x0000000007291000-memory.dmp

Filesize
4.8MB

Download
memory/2100-0-0x0000000000990000-0x0000000000E61000-memory.dmp

Filesize
4.8MB

Download
memory/2100-18-0x0000000006DC0000-0x0000000007291000-memory.dmp

Filesize
4.8MB

Download
memory/2456-27-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-31-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-23-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-25-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-26-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-21-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-28-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-29-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-30-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-22-0x00000000011D1000-0x00000000011FF000-memory.dmp

Filesize
184KB

Download
memory/2456-32-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-33-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-34-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-35-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-36-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-37-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-38-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-39-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download
memory/2456-40-0x00000000011D0000-0x00000000016A1000-memory.dmp

Filesize
4.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads