amadey | 7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af

Analysis

max time kernel
292s
max time network
251s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30/05/2024, 23:08

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General

Target

7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe
Size

1.8MB
MD5

c3b804d5df5114f57e827b6a866e5041
SHA1

95505ebc8505319e479860549aaec1fa5dc22cac
SHA256

7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af
SHA512

75345f1b6a67b650ce3da4616571bd19ae5c8b7966dbffe78e9c5a4162dbb60413a7606ec11a681c21843864971adb6c66d54c9a1fe6848460ac2452c7d7eb35
SSDEEP

49152:UvPLRafGUqxNQvXJAnbeyjcUWlDtJoOV:UksN8SnbKPDoO

Score

10^/10

amadey 0e6740 evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.21

Botnet

0e6740

http://147.45.47.155

Attributes

install_dir
9217037dc9
install_file
explortu.exe
strings_key
8e894a8a4a3d0da8924003a561cfb244
url_paths
/ku4Nor9/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 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.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	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.exe

Executes dropped EXE 1 IoCs

pid	Process
2352	explortu.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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Wine	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Wine	explortu.exe

Loads dropped DLL 1 IoCs

pid	Process
2024	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2024	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe
2352	explortu.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explortu.job	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2024	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe
2352	explortu.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2024	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 2352	2024	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe	28
PID 2024 wrote to memory of 2352	2024	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe	28
PID 2024 wrote to memory of 2352	2024	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe	28
PID 2024 wrote to memory of 2352	2024	7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe	28

C:\Users\Admin\AppData\Local\Temp\7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.exe
"C:\Users\Admin\AppData\Local\Temp\7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
  "C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:2352

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\9217037dc9\explortu.exe

Filesize
1.8MB

MD5
c3b804d5df5114f57e827b6a866e5041

SHA1
95505ebc8505319e479860549aaec1fa5dc22cac

SHA256
7a9cf62728441b8e96b2a3018344132de29b05354ff8089ad49bb7e38556f7af

SHA512
75345f1b6a67b650ce3da4616571bd19ae5c8b7966dbffe78e9c5a4162dbb60413a7606ec11a681c21843864971adb6c66d54c9a1fe6848460ac2452c7d7eb35

Download Submit
memory/2024-16-0x0000000006ED0000-0x0000000007395000-memory.dmp

Filesize
4.8MB

Download
memory/2024-1-0x00000000776F0000-0x00000000776F2000-memory.dmp

Filesize
8KB

Download
memory/2024-2-0x0000000001221000-0x000000000124F000-memory.dmp

Filesize
184KB

Download
memory/2024-3-0x0000000001220000-0x00000000016E5000-memory.dmp

Filesize
4.8MB

Download
memory/2024-5-0x0000000001220000-0x00000000016E5000-memory.dmp

Filesize
4.8MB

Download
memory/2024-14-0x0000000001220000-0x00000000016E5000-memory.dmp

Filesize
4.8MB

Download
memory/2024-0-0x0000000001220000-0x00000000016E5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-30-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-35-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-19-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-21-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-22-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-23-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-24-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-25-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-26-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-27-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-28-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-29-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-17-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-31-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-32-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-33-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-34-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-18-0x0000000000811000-0x000000000083F000-memory.dmp

Filesize
184KB

Download
memory/2352-36-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-37-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-38-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-39-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-40-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-41-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-42-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-43-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-44-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-45-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-46-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-47-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-48-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-49-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-50-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-51-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download
memory/2352-52-0x0000000000810000-0x0000000000CD5000-memory.dmp

Filesize
4.8MB

Download