amadey | 4baf8a7e88b5ef57ea5ac4db9a9b3ed867170305bf0ddf59f7f87b8d823cfe14

General

Target

random.exe
Size

2.1MB
MD5

57dbb3339312da8b04a3e067ca47dcae
SHA1

2a5c573173a5b8b770a955ade295720e6d634cbb
SHA256

4baf8a7e88b5ef57ea5ac4db9a9b3ed867170305bf0ddf59f7f87b8d823cfe14
SHA512

340ec0e6bfef7e04b11ffa13c838aac83933d6a75869a4c7c41b188df1a501d621c607f40b75aa3516c4a662e0e4c575f5b15cb138721b7cf47e73e7051d50d4
SSDEEP

49152:vIkSVA3kJEuWX8Xzeiqhx+mpiME+a6Xty0afl:vIky7JEuWX8XyiQJfOfl

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\VideoBiosVersion	random.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	random.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	random.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	skotes.exe

Loads dropped DLL 2 IoCs

pid	Process
3032	random.exe
3032	random.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3032	random.exe
2852	skotes.exe

Drops file in Windows directory 1 IoCs

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3032	random.exe
2852	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3032	random.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2852	3032	random.exe	30
PID 3032 wrote to memory of 2852	3032	random.exe	30
PID 3032 wrote to memory of 2852	3032	random.exe	30
PID 3032 wrote to memory of 2852	3032	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:3032
- 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:2852

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
2.1MB

MD5
57dbb3339312da8b04a3e067ca47dcae

SHA1
2a5c573173a5b8b770a955ade295720e6d634cbb

SHA256
4baf8a7e88b5ef57ea5ac4db9a9b3ed867170305bf0ddf59f7f87b8d823cfe14

SHA512
340ec0e6bfef7e04b11ffa13c838aac83933d6a75869a4c7c41b188df1a501d621c607f40b75aa3516c4a662e0e4c575f5b15cb138721b7cf47e73e7051d50d4

Download Submit
memory/2852-28-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2852-29-0x0000000002880000-0x0000000002881000-memory.dmp

Filesize
4KB

Download
memory/2852-33-0x0000000000360000-0x0000000000823000-memory.dmp

Filesize
4.8MB

Download
memory/2852-32-0x0000000000361000-0x00000000003C9000-memory.dmp

Filesize
416KB

Download
memory/2852-24-0x0000000002890000-0x0000000002891000-memory.dmp

Filesize
4KB

Download
memory/2852-25-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

Filesize
4KB

Download
memory/2852-26-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/2852-27-0x0000000002480000-0x0000000002481000-memory.dmp

Filesize
4KB

Download
memory/2852-30-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/2852-34-0x0000000000360000-0x0000000000823000-memory.dmp

Filesize
4.8MB

Download
memory/2852-31-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/2852-23-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/2852-22-0x0000000000360000-0x0000000000823000-memory.dmp

Filesize
4.8MB

Download
memory/2852-35-0x0000000000361000-0x00000000003C9000-memory.dmp

Filesize
416KB

Download
memory/3032-3-0x0000000000B60000-0x0000000001023000-memory.dmp

Filesize
4.8MB

Download
memory/3032-21-0x00000000068C0000-0x0000000006D83000-memory.dmp

Filesize
4.8MB

Download
memory/3032-2-0x0000000000B61000-0x0000000000BC9000-memory.dmp

Filesize
416KB

Download
memory/3032-0-0x0000000000B60000-0x0000000001023000-memory.dmp

Filesize
4.8MB

Download
memory/3032-19-0x00000000068C0000-0x0000000006D83000-memory.dmp

Filesize
4.8MB

Download
memory/3032-20-0x0000000000B61000-0x0000000000BC9000-memory.dmp

Filesize
416KB

Download
memory/3032-18-0x0000000000B60000-0x0000000001023000-memory.dmp

Filesize
4.8MB

Download
memory/3032-1-0x0000000077D20000-0x0000000077D22000-memory.dmp

Filesize
8KB

Download
memory/3032-4-0x0000000000B60000-0x0000000001023000-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