amadey | b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502

General

Target

b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe
Size

1.8MB
MD5

e2de3ad7601e5370da34efa79c574892
SHA1

92968a543b0b550f8aee3fbd0dcb09d3a1796c2b
SHA256

b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502
SHA512

6150a9e7f7b040dbfd10c0bcde6fb45c879877a20dc4c0cb5d26f64cf6a2db0f6b3b7d9d3813a0a200ca5dfe88d778275bb3ab1b7581584dffac4c61fe5bd565
SSDEEP

49152:YsM6dHY5O/Wu52bxX92OiWO7a0oS9OESiW49yi9Yc:Ys3dHB/l5wxX9dSagMESidYc

Score

10^/10

amadey 4dd39d evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes

install_dir
ad40971b6b
install_file
explorti.exe
strings_key
a434973ad22def7137dbb5e059b7081e
url_paths
/Hun4Ko/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 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe

Checks BIOS information in registry 2 TTPs 10 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	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe

Executes dropped EXE 4 IoCs

pid	Process
4964	explorti.exe
1048	explorti.exe
3216	explorti.exe
4464	explorti.exe

Identifies Wine through registry keys 2 TTPs 5 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-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
2492	b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe
4964	explorti.exe
1048	explorti.exe
3216	explorti.exe
4464	explorti.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorti.job	b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2492	b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe
2492	b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe
4964	explorti.exe
4964	explorti.exe
1048	explorti.exe
1048	explorti.exe
3216	explorti.exe
3216	explorti.exe
4464	explorti.exe
4464	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 4964	2492	b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe	78
PID 2492 wrote to memory of 4964	2492	b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe	78
PID 2492 wrote to memory of 4964	2492	b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe	78

C:\Users\Admin\AppData\Local\Temp\b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.exe
"C:\Users\Admin\AppData\Local\Temp\b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502.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 WriteProcessMemory
PID:2492
- C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
  "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:4964

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:1048

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:3216

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:4464

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

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

Filesize
1.8MB

MD5
e2de3ad7601e5370da34efa79c574892

SHA1
92968a543b0b550f8aee3fbd0dcb09d3a1796c2b

SHA256
b4e5ea171623572580bb410b04808790db808e3faac36b4da44bfb86daeb3502

SHA512
6150a9e7f7b040dbfd10c0bcde6fb45c879877a20dc4c0cb5d26f64cf6a2db0f6b3b7d9d3813a0a200ca5dfe88d778275bb3ab1b7581584dffac4c61fe5bd565

Download Submit
memory/1048-27-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/1048-29-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/1048-30-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/1048-28-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/2492-16-0x0000000000880000-0x0000000000D51000-memory.dmp

Filesize
4.8MB

Download
memory/2492-5-0x0000000000880000-0x0000000000D51000-memory.dmp

Filesize
4.8MB

Download
memory/2492-0-0x0000000000880000-0x0000000000D51000-memory.dmp

Filesize
4.8MB

Download
memory/2492-3-0x0000000000880000-0x0000000000D51000-memory.dmp

Filesize
4.8MB

Download
memory/2492-2-0x0000000000881000-0x00000000008AF000-memory.dmp

Filesize
184KB

Download
memory/2492-1-0x0000000077E36000-0x0000000077E38000-memory.dmp

Filesize
8KB

Download
memory/3216-39-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/3216-38-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4464-48-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4464-47-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-19-0x0000000000AF1000-0x0000000000B1F000-memory.dmp

Filesize
184KB

Download
memory/4964-36-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-24-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-23-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-31-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-32-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-33-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-34-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-35-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-26-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-22-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-21-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-40-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-41-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-42-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-43-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-44-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-45-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-20-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download
memory/4964-18-0x0000000000AF0000-0x0000000000FC1000-memory.dmp

Filesize
4.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads