amadey | f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 06:51

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General

Target

f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe
Size

1.7MB
MD5

0116babe2c25179e7daaabc23b4e7b89
SHA1

17b72d5dffd9b3f29cb0054bab735a73a25291f8
SHA256

f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435
SHA512

dbe6d5cd9ad76773a08ce850cb61e326fdad6d736334e3e3c2100f669b0366edd1b9336d39e99cbbb20f7e301e069f3d5750b3475ea2c7f5042071adaf404ac5
SSDEEP

49152:7b/evPksZT3QouqKF+vMQc/xx24byN2nmg9:3Wyr+Cxx1scmQ

Score

10^/10

amadey 18befc evasion themida trojan

Malware Config

Extracted

Family

amadey

Version

4.20

Botnet

18befc

http://5.42.96.141

Attributes

install_dir
908f070dff
install_file
explorku.exe
strings_key
b25a9385246248a95c600f9a061438e1
url_paths
/go34ko8/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

Processes:

f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.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

Processes:

f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.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:

f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe

Executes dropped EXE 4 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exeexplorku.exe

pid process

1972 explorku.exe
1920 explorku.exe
5092 explorku.exe
4324 explorku.exe

pid	process
1972	explorku.exe
1920	explorku.exe
5092	explorku.exe
4324	explorku.exe

Themida packer 44 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1156-0-0x0000000000F00000-0x0000000001442000-memory.dmp	themida
behavioral1/memory/1156-1-0x0000000000F00000-0x0000000001442000-memory.dmp	themida
behavioral1/memory/1156-6-0x0000000000F00000-0x0000000001442000-memory.dmp	themida
behavioral1/memory/1156-5-0x0000000000F00000-0x0000000001442000-memory.dmp	themida
behavioral1/memory/1156-4-0x0000000000F00000-0x0000000001442000-memory.dmp	themida
behavioral1/memory/1156-3-0x0000000000F00000-0x0000000001442000-memory.dmp	themida
behavioral1/memory/1156-2-0x0000000000F00000-0x0000000001442000-memory.dmp	themida
behavioral1/memory/1156-7-0x0000000000F00000-0x0000000001442000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/1156-19-0x0000000000F00000-0x0000000001442000-memory.dmp	themida
behavioral1/memory/1972-22-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1972-20-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1972-24-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1972-25-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1972-27-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1972-28-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1972-26-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1972-23-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1972-29-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1920-32-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1920-33-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1920-34-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1920-35-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1920-39-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1920-37-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1920-36-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1920-38-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/1920-41-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/5092-49-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/5092-50-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/5092-55-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/5092-54-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/5092-53-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/5092-52-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/5092-51-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/5092-57-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/4324-65-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/4324-69-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/4324-71-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/4324-70-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/4324-68-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/4324-67-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/4324-66-0x0000000000140000-0x0000000000682000-memory.dmp	themida
behavioral1/memory/4324-72-0x0000000000140000-0x0000000000682000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 5 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe

Drops file in Windows directory 1 IoCs

Processes:

f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe

description ioc process

File created C:\Windows\Tasks\explorku.job f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Tasks\explorku.job	f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe

description	pid	process	target process
PID 1156 wrote to memory of 1972	1156	f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe	explorku.exe
PID 1156 wrote to memory of 1972	1156	f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe	explorku.exe
PID 1156 wrote to memory of 1972	1156	f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe
"C:\Users\Admin\AppData\Local\Temp\f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
  "C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  PID:1972

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:1920

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:5092

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:4324

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe

Filesize
1.7MB

MD5
0116babe2c25179e7daaabc23b4e7b89

SHA1
17b72d5dffd9b3f29cb0054bab735a73a25291f8

SHA256
f1d4591c79a0c9dc671e6be74b69ac3f42b470f493db206ee50741d2c04b2435

SHA512
dbe6d5cd9ad76773a08ce850cb61e326fdad6d736334e3e3c2100f669b0366edd1b9336d39e99cbbb20f7e301e069f3d5750b3475ea2c7f5042071adaf404ac5

Download Submit
memory/1156-4-0x0000000000F00000-0x0000000001442000-memory.dmp

Filesize
5.3MB

Download
memory/1156-5-0x0000000000F00000-0x0000000001442000-memory.dmp

Filesize
5.3MB

Download
memory/1156-19-0x0000000000F00000-0x0000000001442000-memory.dmp

Filesize
5.3MB

Download
memory/1156-0-0x0000000000F00000-0x0000000001442000-memory.dmp

Filesize
5.3MB

Download
memory/1156-3-0x0000000000F00000-0x0000000001442000-memory.dmp

Filesize
5.3MB

Download
memory/1156-2-0x0000000000F00000-0x0000000001442000-memory.dmp

Filesize
5.3MB

Download
memory/1156-7-0x0000000000F00000-0x0000000001442000-memory.dmp

Filesize
5.3MB

Download
memory/1156-1-0x0000000000F00000-0x0000000001442000-memory.dmp

Filesize
5.3MB

Download
memory/1156-6-0x0000000000F00000-0x0000000001442000-memory.dmp

Filesize
5.3MB

Download
memory/1920-33-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1920-32-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1920-38-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1920-36-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1920-37-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1920-39-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1920-35-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1920-34-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1920-41-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1972-20-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1972-29-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1972-23-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1972-26-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1972-28-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1972-27-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1972-25-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1972-24-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/1972-22-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/4324-71-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/4324-65-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/4324-72-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/4324-66-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/4324-67-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/4324-68-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/4324-70-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/4324-69-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/5092-57-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/5092-50-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/5092-49-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/5092-51-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/5092-52-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/5092-53-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/5092-54-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download
memory/5092-55-0x0000000000140000-0x0000000000682000-memory.dmp

Filesize
5.3MB

Download