amadey | 373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb

General

Target

373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe
Size

1.8MB
MD5

3ca635061fa9685d799784f665850565
SHA1

549bb2808560d826b7be8ea502b46e3cdc101ce3
SHA256

373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb
SHA512

7812edb799fc4ac60c856c61ecd793fb5499ffe433c9bf60e251d4e3e9d5bb4df8d8f2873bb643036ccbb5bc611cc339ad8e8789feec3b3c5834bb72ed887792
SSDEEP

24576:9w/gXXZLf9FpuSVA83ZIaoOD8BR98BpLOKKxsGaC3x5MY0s9r3k7in9tFvGH:9kKpVu8pIO+D8rLOKHRQ5MYR3mV

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__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

pid	Process
2880	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe

Loads dropped DLL 2 IoCs

pid	Process
2544	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe
2544	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2544	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe
2880	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.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	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2544	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe
2880	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2544	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2880	2544	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe	31
PID 2544 wrote to memory of 2880	2544	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe	31
PID 2544 wrote to memory of 2880	2544	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe	31
PID 2544 wrote to memory of 2880	2544	373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe	31

C:\Users\Admin\AppData\Local\Temp\373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.exe
"C:\Users\Admin\AppData\Local\Temp\373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb.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:2544
- 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:2880

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
1.8MB

MD5
3ca635061fa9685d799784f665850565

SHA1
549bb2808560d826b7be8ea502b46e3cdc101ce3

SHA256
373ffb138b7376264a307837ef5bd51bd02380376f9fdd27350cf1b65a28bcbb

SHA512
7812edb799fc4ac60c856c61ecd793fb5499ffe433c9bf60e251d4e3e9d5bb4df8d8f2873bb643036ccbb5bc611cc339ad8e8789feec3b3c5834bb72ed887792

Download Submit
memory/2544-18-0x0000000006A70000-0x0000000006F19000-memory.dmp

Filesize
4.7MB

Download
memory/2544-2-0x0000000000DE1000-0x0000000000E0F000-memory.dmp

Filesize
184KB

Download
memory/2544-0-0x0000000000DE0000-0x0000000001289000-memory.dmp

Filesize
4.7MB

Download
memory/2544-5-0x0000000000DE0000-0x0000000001289000-memory.dmp

Filesize
4.7MB

Download
memory/2544-10-0x0000000000DE0000-0x0000000001289000-memory.dmp

Filesize
4.7MB

Download
memory/2544-1-0x0000000077230000-0x0000000077232000-memory.dmp

Filesize
8KB

Download
memory/2544-21-0x0000000006A70000-0x0000000006F19000-memory.dmp

Filesize
4.7MB

Download
memory/2544-20-0x0000000000DE0000-0x0000000001289000-memory.dmp

Filesize
4.7MB

Download
memory/2544-3-0x0000000000DE0000-0x0000000001289000-memory.dmp

Filesize
4.7MB

Download
memory/2880-32-0x0000000000E80000-0x0000000001329000-memory.dmp

Filesize
4.7MB

Download
memory/2880-28-0x0000000000E81000-0x0000000000EAF000-memory.dmp

Filesize
184KB

Download
memory/2880-29-0x0000000000E80000-0x0000000001329000-memory.dmp

Filesize
4.7MB

Download
memory/2880-27-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/2880-26-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/2880-25-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/2880-24-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download
memory/2880-23-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/2880-30-0x0000000000E80000-0x0000000001329000-memory.dmp

Filesize
4.7MB

Download
memory/2880-22-0x0000000000E80000-0x0000000001329000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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