amadey | b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283

General

Target

b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe
Size

3.1MB
MD5

783775b86ebd55c9b7d10b44728f6466
SHA1

0681604f097cf598de5e9bc267d33cf9854f4503
SHA256

b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283
SHA512

33c9087c4150091f68aa9858d70f0419f8b02ba187951c2de4c2954d73b41585ace660d9eb797f0117a463adcf4983f2043253bfd6c7a447b2d2aefda076bfe5
SSDEEP

98304:uD1OIq0EEkuVK4XDEhRqQi4eSIWnCQgIDmQSzq/4MO9B:uYtGJB

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 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Checks BIOS information in registry 2 TTPs 8 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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe

Executes dropped EXE 3 IoCs

pid	Process
3928	skotes.exe
4912	skotes.exe
1316	skotes.exe

Identifies Wine through registry keys 2 TTPs 4 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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
1748	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe
3928	skotes.exe
4912	skotes.exe
1316	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.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	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1748	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe
1748	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe
3928	skotes.exe
3928	skotes.exe
4912	skotes.exe
4912	skotes.exe
1316	skotes.exe
1316	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1748	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 3928	1748	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe	83
PID 1748 wrote to memory of 3928	1748	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe	83
PID 1748 wrote to memory of 3928	1748	b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe	83

C:\Users\Admin\AppData\Local\Temp\b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.exe
"C:\Users\Admin\AppData\Local\Temp\b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1748
- 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:3928

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
- Suspicious behavior: EnumeratesProcesses
PID:4912

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
- Suspicious behavior: EnumeratesProcesses
PID:1316

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
783775b86ebd55c9b7d10b44728f6466

SHA1
0681604f097cf598de5e9bc267d33cf9854f4503

SHA256
b620f8e504b494f5ca15470d095d913914703bd94ee5fbdb2cbab67f48d17283

SHA512
33c9087c4150091f68aa9858d70f0419f8b02ba187951c2de4c2954d73b41585ace660d9eb797f0117a463adcf4983f2043253bfd6c7a447b2d2aefda076bfe5

Download Submit
memory/1316-42-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/1748-0-0x00000000003D0000-0x00000000006F8000-memory.dmp

Filesize
3.2MB

Download
memory/1748-1-0x0000000076F14000-0x0000000076F16000-memory.dmp

Filesize
8KB

Download
memory/1748-2-0x00000000003D1000-0x0000000000439000-memory.dmp

Filesize
416KB

Download
memory/1748-3-0x00000000003D0000-0x00000000006F8000-memory.dmp

Filesize
3.2MB

Download
memory/1748-4-0x00000000003D0000-0x00000000006F8000-memory.dmp

Filesize
3.2MB

Download
memory/1748-19-0x00000000003D1000-0x0000000000439000-memory.dmp

Filesize
416KB

Download
memory/1748-18-0x00000000003D0000-0x00000000006F8000-memory.dmp

Filesize
3.2MB

Download
memory/3928-27-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-35-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-22-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-23-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-24-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-26-0x0000000000701000-0x0000000000769000-memory.dmp

Filesize
416KB

Download
memory/3928-25-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-21-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-28-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-47-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-46-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-45-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-44-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-20-0x0000000000701000-0x0000000000769000-memory.dmp

Filesize
416KB

Download
memory/3928-36-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-37-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-38-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-39-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-40-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-16-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/3928-43-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/4912-34-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/4912-32-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/4912-31-0x0000000000700000-0x0000000000A28000-memory.dmp

Filesize
3.2MB

Download
memory/4912-30-0x0000000000700000-0x0000000000A28000-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