amadey | c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9

Analysis

max time kernel
143s
max time network
121s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
22/04/2024, 17:25

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General

Target

c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe
Size

1.9MB
MD5

efaebb4c659dabcf30c26718156448b3
SHA1

abfd80159a35c3efde469962fdf52be639dc6a53
SHA256

c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9
SHA512

ffc880388be0e60536b93cc7f4e766583aef523c91a56a0f7516ca434fc6e1a36647d3f4635c096869420e9bc11b5505f02227f239c8f4f3084f0113db3b110a
SSDEEP

49152:Z3/bnJDIEZ7tfbDJhTCe8k3O+RfPdNEE5KP77OXyP:ZjnRtfb1hTZ8qOUXdNEECaq

Score

10^/10

amadey evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.20

http://193.233.132.139

Attributes

install_dir
5454e6f062
install_file
explorta.exe
strings_key
c7a869c5ba1d72480093ec207994e2bf
url_paths
/sev56rkm/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan 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__	c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.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	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe

Executes dropped EXE 3 IoCs

pid	Process
3764	explorta.exe
5056	explorta.exe
4012	explorta.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-1-5-21-3777591257-2471171023-3629228286-1000\Software\Wine	c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe
Key opened	\REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Wine	explorta.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4848	c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe
3764	explorta.exe
5056	explorta.exe
4012	explorta.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorta.job	c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4848	c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe
4848	c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe
3764	explorta.exe
3764	explorta.exe
5056	explorta.exe
5056	explorta.exe
4012	explorta.exe
4012	explorta.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4848	c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 3764	4848	c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe	82
PID 4848 wrote to memory of 3764	4848	c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe	82
PID 4848 wrote to memory of 3764	4848	c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe	82

C:\Users\Admin\AppData\Local\Temp\c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe
"C:\Users\Admin\AppData\Local\Temp\c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
  "C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:3764

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:5056

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:4012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe

Filesize
1.9MB

MD5
efaebb4c659dabcf30c26718156448b3

SHA1
abfd80159a35c3efde469962fdf52be639dc6a53

SHA256
c4bfea5f762bee17e6a1261956cc0c36fbb55c79c65492b73d58be4ef9e14dd9

SHA512
ffc880388be0e60536b93cc7f4e766583aef523c91a56a0f7516ca434fc6e1a36647d3f4635c096869420e9bc11b5505f02227f239c8f4f3084f0113db3b110a

Download Submit
memory/3764-50-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-49-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-63-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-62-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-61-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-51-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-35-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-48-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-46-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-47-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-22-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-34-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-28-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

Filesize
4KB

Download
memory/3764-27-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

Filesize
4KB

Download
memory/3764-26-0x0000000004B40000-0x0000000004B41000-memory.dmp

Filesize
4KB

Download
memory/3764-25-0x0000000004B00000-0x0000000004B01000-memory.dmp

Filesize
4KB

Download
memory/3764-24-0x0000000004B20000-0x0000000004B21000-memory.dmp

Filesize
4KB

Download
memory/3764-23-0x0000000004B10000-0x0000000004B11000-memory.dmp

Filesize
4KB

Download
memory/3764-29-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/3764-30-0x0000000004B60000-0x0000000004B61000-memory.dmp

Filesize
4KB

Download
memory/3764-31-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-32-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/3764-33-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/4012-56-0x0000000004C40000-0x0000000004C41000-memory.dmp

Filesize
4KB

Download
memory/4012-57-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

Filesize
4KB

Download
memory/4012-58-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

Filesize
4KB

Download
memory/4012-59-0x0000000004C20000-0x0000000004C21000-memory.dmp

Filesize
4KB

Download
memory/4012-53-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/4012-60-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/4012-55-0x0000000004C00000-0x0000000004C01000-memory.dmp

Filesize
4KB

Download
memory/4012-54-0x0000000004C10000-0x0000000004C11000-memory.dmp

Filesize
4KB

Download
memory/4848-4-0x0000000005280000-0x0000000005281000-memory.dmp

Filesize
4KB

Download
memory/4848-3-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/4848-1-0x00000000776E6000-0x00000000776E8000-memory.dmp

Filesize
8KB

Download
memory/4848-9-0x00000000052A0000-0x00000000052A1000-memory.dmp

Filesize
4KB

Download
memory/4848-0-0x0000000000B40000-0x0000000001011000-memory.dmp

Filesize
4.8MB

Download
memory/4848-21-0x0000000000B40000-0x0000000001011000-memory.dmp

Filesize
4.8MB

Download
memory/4848-5-0x0000000005220000-0x0000000005221000-memory.dmp

Filesize
4KB

Download
memory/4848-8-0x00000000052B0000-0x00000000052B1000-memory.dmp

Filesize
4KB

Download
memory/4848-6-0x0000000005230000-0x0000000005231000-memory.dmp

Filesize
4KB

Download
memory/4848-2-0x0000000005250000-0x0000000005251000-memory.dmp

Filesize
4KB

Download
memory/4848-7-0x0000000005260000-0x0000000005261000-memory.dmp

Filesize
4KB

Download
memory/5056-42-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/5056-39-0x0000000004D30000-0x0000000004D31000-memory.dmp

Filesize
4KB

Download
memory/5056-37-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/5056-45-0x0000000000060000-0x0000000000531000-memory.dmp

Filesize
4.8MB

Download
memory/5056-44-0x0000000004D50000-0x0000000004D51000-memory.dmp

Filesize
4KB

Download
memory/5056-43-0x0000000004D00000-0x0000000004D01000-memory.dmp

Filesize
4KB

Download
memory/5056-41-0x0000000004D60000-0x0000000004D61000-memory.dmp

Filesize
4KB

Download
memory/5056-40-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/5056-38-0x0000000004D20000-0x0000000004D21000-memory.dmp

Filesize
4KB

Download