amadey | 0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa

General

Target

0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exe
Size

1.7MB
MD5

d002bd5e2394b2dd56121a6c9ddbdaa3
SHA1

b199ce3e50041d9b3de02a06b97fc559f858e9f0
SHA256

0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa
SHA512

e0b34715b8bcd1f42d96270ec1a3d07fd2856151db40f05fb695dc6513c47b99b220d17f7948f44b68781474f9e9cd9239bb0fe716d3dbdc7001f703ff792e92
SSDEEP

49152:aa/95YJ7v1FIvye07UBKW1ZQOMNOCbCVAMM4t:awSJRCvg7UBQvjm/n

Score

10^/10

amadey 18befc evasion themida trojan

Malware Config

Extracted

Family

amadey

Version

4.20

Botnet

18befc

C2

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 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.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 8 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

explorku.exe0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exeexplorku.exeexplorku.exe

description	ioc	process
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	0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.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

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:

0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exe

Executes dropped EXE 3 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exe

pid process

3640 explorku.exe
3264 explorku.exe
4868 explorku.exe

pid	process
3640	explorku.exe
3264	explorku.exe
4868	explorku.exe

Themida packer 39 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/464-0-0x0000000000100000-0x0000000000655000-memory.dmp	themida
behavioral1/memory/464-2-0x0000000000100000-0x0000000000655000-memory.dmp	themida
behavioral1/memory/464-1-0x0000000000100000-0x0000000000655000-memory.dmp	themida
behavioral1/memory/464-3-0x0000000000100000-0x0000000000655000-memory.dmp	themida
behavioral1/memory/464-8-0x0000000000100000-0x0000000000655000-memory.dmp	themida
behavioral1/memory/464-7-0x0000000000100000-0x0000000000655000-memory.dmp	themida
behavioral1/memory/464-5-0x0000000000100000-0x0000000000655000-memory.dmp	themida
behavioral1/memory/464-4-0x0000000000100000-0x0000000000655000-memory.dmp	themida
behavioral1/memory/464-6-0x0000000000100000-0x0000000000655000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/464-21-0x0000000000100000-0x0000000000655000-memory.dmp	themida
behavioral1/memory/3640-25-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3640-22-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3640-27-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3640-29-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3640-30-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3640-28-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3640-26-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3640-23-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3640-24-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3640-31-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3264-34-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3264-35-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3264-37-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3264-39-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3264-42-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3264-41-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3264-40-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3264-38-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3264-36-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/3264-44-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/4868-52-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/4868-54-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/4868-57-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/4868-58-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/4868-56-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/4868-55-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/4868-53-0x0000000000140000-0x0000000000695000-memory.dmp	themida
behavioral1/memory/4868-59-0x0000000000140000-0x0000000000695000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.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:

0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.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	0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exe

description	pid	process	target process
PID 464 wrote to memory of 3640	464	0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exe	explorku.exe
PID 464 wrote to memory of 3640	464	0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exe	explorku.exe
PID 464 wrote to memory of 3640	464	0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.exe
"C:\Users\Admin\AppData\Local\Temp\0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa.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:464

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:3640

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4360,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=1320 /prefetch:8
1⤵
PID:3984

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:3264

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:4868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
Filesize
1.7MB

MD5
d002bd5e2394b2dd56121a6c9ddbdaa3

SHA1
b199ce3e50041d9b3de02a06b97fc559f858e9f0

SHA256
0a9def520f54c0176fce8eea35ab0a11d34246490e171f664dc7b80e940cfaaa

SHA512
e0b34715b8bcd1f42d96270ec1a3d07fd2856151db40f05fb695dc6513c47b99b220d17f7948f44b68781474f9e9cd9239bb0fe716d3dbdc7001f703ff792e92

Download Submit
memory/464-0-0x0000000000100000-0x0000000000655000-memory.dmp

Filesize
5.3MB

Download
memory/464-2-0x0000000000100000-0x0000000000655000-memory.dmp

Filesize
5.3MB

Download
memory/464-1-0x0000000000100000-0x0000000000655000-memory.dmp

Filesize
5.3MB

Download
memory/464-3-0x0000000000100000-0x0000000000655000-memory.dmp

Filesize
5.3MB

Download
memory/464-8-0x0000000000100000-0x0000000000655000-memory.dmp

Filesize
5.3MB

Download
memory/464-7-0x0000000000100000-0x0000000000655000-memory.dmp

Filesize
5.3MB

Download
memory/464-5-0x0000000000100000-0x0000000000655000-memory.dmp

Filesize
5.3MB

Download
memory/464-4-0x0000000000100000-0x0000000000655000-memory.dmp

Filesize
5.3MB

Download
memory/464-6-0x0000000000100000-0x0000000000655000-memory.dmp

Filesize
5.3MB

Download
memory/464-21-0x0000000000100000-0x0000000000655000-memory.dmp

Filesize
5.3MB

Download
memory/3264-40-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3264-44-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3264-36-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3264-38-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3264-41-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3264-42-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3264-39-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3264-37-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3264-35-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3264-34-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3640-27-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3640-23-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3640-22-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3640-31-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3640-28-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3640-30-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3640-25-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3640-29-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3640-26-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/3640-24-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/4868-59-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/4868-54-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/4868-57-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/4868-58-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/4868-56-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/4868-55-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/4868-53-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download
memory/4868-52-0x0000000000140000-0x0000000000695000-memory.dmp

Filesize
5.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads