amadey | 21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551

General

Target

21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe
Size

2.9MB
MD5

f5a45bbd0f3499d7289ff6716cfa314b
SHA1

5f6847af9b3f90f416b92f3fdd10050fc7b781bb
SHA256

21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551
SHA512

aa697ac9c08fc4d80e0cad59358662d428f4200899e06189f63a4e7b4637ba885cc3f3d5ab3d3b0249293e354cbf6b242e5756c76bb48a0126a141743ca60241
SSDEEP

49152:5IJBMVgg2xO0S2pztuq6yhy+hlO5wkVnTCLp+EgOPXMMUvwG:qJB6ggx0S2pzoq6tuO5wkVnTOp+OPXXy

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__	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.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	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

pid	Process
1868	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1868	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe
2700	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.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	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1868	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe
2700	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1868	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2700	1868	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe	30
PID 1868 wrote to memory of 2700	1868	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe	30
PID 1868 wrote to memory of 2700	1868	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe	30
PID 1868 wrote to memory of 2700	1868	21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe	30

C:\Users\Admin\AppData\Local\Temp\21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.exe
"C:\Users\Admin\AppData\Local\Temp\21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551.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:1868
- 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:2700

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
2.9MB

MD5
f5a45bbd0f3499d7289ff6716cfa314b

SHA1
5f6847af9b3f90f416b92f3fdd10050fc7b781bb

SHA256
21e68acd2b24f8ffdd2b03eba18955a41d47ca2b356cefd983f1c089054f7551

SHA512
aa697ac9c08fc4d80e0cad59358662d428f4200899e06189f63a4e7b4637ba885cc3f3d5ab3d3b0249293e354cbf6b242e5756c76bb48a0126a141743ca60241

Download Submit
memory/1868-15-0x0000000001260000-0x000000000157F000-memory.dmp

Filesize
3.1MB

Download
memory/1868-1-0x0000000077690000-0x0000000077692000-memory.dmp

Filesize
8KB

Download
memory/1868-2-0x0000000001261000-0x000000000128F000-memory.dmp

Filesize
184KB

Download
memory/1868-3-0x0000000001260000-0x000000000157F000-memory.dmp

Filesize
3.1MB

Download
memory/1868-5-0x0000000001260000-0x000000000157F000-memory.dmp

Filesize
3.1MB

Download
memory/1868-0-0x0000000001260000-0x000000000157F000-memory.dmp

Filesize
3.1MB

Download
memory/1868-16-0x0000000006370000-0x000000000668F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-24-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-27-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-19-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-21-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-22-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-23-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-17-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-25-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-26-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-18-0x0000000000311000-0x000000000033F000-memory.dmp

Filesize
184KB

Download
memory/2700-28-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-29-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-30-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-31-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-32-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-33-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-34-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-35-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-36-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download
memory/2700-37-0x0000000000310000-0x000000000062F000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads