amadey | 29a1b2044662e0dd7f3059854ed7d49d2511eca878ecf4aad8664292e62dd2d5

Analysis

max time kernel
30s
max time network
22s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04-06-2024 22:15

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General

Target

Small Malwares/9217037dc9/explortu.exe
Size

1.8MB
MD5

5a4619d13c41a14b933c591abed16e35
SHA1

1b6a0c0e1e1187f6e42980fd3bf7de05b1d4cff1
SHA256

ccdc802404647caa363f5e251cb2c683ea5a8d6f16d682dfb8833a6f77016c6f
SHA512

5c2b22ad8feface5940e54a766d84d22a818bb0a727b5e327556fced1489966f07c80bf7a6050da362048e105273a8fcc55ee010d840aa9e3fcb6b05ee5664d6
SSDEEP

49152:b9rwijl1WSjW3wTAfPWUdsPGYvOzo7YwF:b9cih1WSjW3+AnIOYGoYY

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 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explortu.exeexplortu.exeexplortu.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.exe

Checks BIOS information in registry 2 TTPs 6 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

explortu.exeexplortu.exeexplortu.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.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

Processes:

explortu.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	explortu.exe

Executes dropped EXE 2 IoCs

Processes:

explortu.exeexplortu.exe

pid process

2384 explortu.exe
2368 explortu.exe

pid	process
2384	explortu.exe
2368	explortu.exe

Identifies Wine through registry keys 2 TTPs 3 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

Processes:

explortu.exeexplortu.exeexplortu.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explortu.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

Processes:

explortu.exeexplortu.exeexplortu.exe

pid process

1456 explortu.exe
2384 explortu.exe
2368 explortu.exe
Drops file in Windows directory 1 IoCs

Processes:

explortu.exe

description ioc process

File created C:\Windows\Tasks\explortu.job explortu.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

explortu.exeexplortu.exeexplortu.exe

pid process

1456 explortu.exe
1456 explortu.exe
2384 explortu.exe
2384 explortu.exe
2368 explortu.exe
2368 explortu.exe

pid	process
1456	explortu.exe
2384	explortu.exe
2368	explortu.exe

description	ioc	process
File created	C:\Windows\Tasks\explortu.job	explortu.exe

pid	process
1456	explortu.exe
1456	explortu.exe
2384	explortu.exe
2384	explortu.exe
2368	explortu.exe
2368	explortu.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

explortu.exe

description	pid	process	target process
PID 1456 wrote to memory of 2384	1456	explortu.exe	explortu.exe
PID 1456 wrote to memory of 2384	1456	explortu.exe	explortu.exe
PID 1456 wrote to memory of 2384	1456	explortu.exe	explortu.exe

C:\Users\Admin\AppData\Local\Temp\Small Malwares\9217037dc9\explortu.exe
"C:\Users\Admin\AppData\Local\Temp\Small Malwares\9217037dc9\explortu.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1456
- 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:2384

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:2368

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
5a4619d13c41a14b933c591abed16e35

SHA1
1b6a0c0e1e1187f6e42980fd3bf7de05b1d4cff1

SHA256
ccdc802404647caa363f5e251cb2c683ea5a8d6f16d682dfb8833a6f77016c6f

SHA512
5c2b22ad8feface5940e54a766d84d22a818bb0a727b5e327556fced1489966f07c80bf7a6050da362048e105273a8fcc55ee010d840aa9e3fcb6b05ee5664d6

Download Submit
memory/1456-1-0x0000000076ED4000-0x0000000076ED6000-memory.dmp

Filesize
8KB

Download
memory/1456-2-0x0000000000381000-0x00000000003AF000-memory.dmp

Filesize
184KB

Download
memory/1456-3-0x0000000000380000-0x000000000082D000-memory.dmp

Filesize
4.7MB

Download
memory/1456-5-0x0000000000380000-0x000000000082D000-memory.dmp

Filesize
4.7MB

Download
memory/1456-16-0x0000000000380000-0x000000000082D000-memory.dmp

Filesize
4.7MB

Download
memory/1456-0-0x0000000000380000-0x000000000082D000-memory.dmp

Filesize
4.7MB

Download
memory/2368-25-0x0000000000760000-0x0000000000C0D000-memory.dmp

Filesize
4.7MB

Download
memory/2368-29-0x0000000000760000-0x0000000000C0D000-memory.dmp

Filesize
4.7MB

Download
memory/2368-28-0x0000000000760000-0x0000000000C0D000-memory.dmp

Filesize
4.7MB

Download
memory/2384-20-0x0000000000760000-0x0000000000C0D000-memory.dmp

Filesize
4.7MB

Download
memory/2384-22-0x0000000000760000-0x0000000000C0D000-memory.dmp

Filesize
4.7MB

Download
memory/2384-23-0x0000000000760000-0x0000000000C0D000-memory.dmp

Filesize
4.7MB

Download
memory/2384-21-0x0000000000760000-0x0000000000C0D000-memory.dmp

Filesize
4.7MB

Download
memory/2384-26-0x0000000000760000-0x0000000000C0D000-memory.dmp

Filesize
4.7MB

Download
memory/2384-19-0x0000000000761000-0x000000000078F000-memory.dmp

Filesize
184KB

Download
memory/2384-17-0x0000000000760000-0x0000000000C0D000-memory.dmp

Filesize
4.7MB

Download