amadey | c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2

General

Target

c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe
Size

1.7MB
MD5

411736c06615c0d8e04dd297af8ba3ea
SHA1

b3f6bb5dd84937e81c1f11b88c9807bd0acff2e6
SHA256

c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2
SHA512

8be401015d93bbae6cf142b0c7802b01e3988afa3013703c5e265d1664a3431358dee776b6e98f28cd06752a2c68043587b64c78e8732961602b1d6ef9f8920c
SSDEEP

49152:OEyHKpZCJXK5Obh10cWYzsxLuKLJPcSIFci0nZ9cyHb:Ojsr6h/bzqL5NNivyZmSb

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 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorku.exeexplorku.exeexplorku.exec805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exeexplorku.exe

description	ioc	process
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__	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.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:

explorku.exeexplorku.exeexplorku.exeexplorku.exec805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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\SystemBiosVersion	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.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:

c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

Executes dropped EXE 4 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exeexplorku.exe

pid process

1976 explorku.exe
372 explorku.exe
2936 explorku.exe
896 explorku.exe

pid	process
1976	explorku.exe
372	explorku.exe
2936	explorku.exe
896	explorku.exe

Themida packer 43 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/392-1-0x0000000000450000-0x0000000000994000-memory.dmp	themida
behavioral1/memory/392-2-0x0000000000450000-0x0000000000994000-memory.dmp	themida
behavioral1/memory/392-3-0x0000000000450000-0x0000000000994000-memory.dmp	themida
behavioral1/memory/392-0-0x0000000000450000-0x0000000000994000-memory.dmp	themida
behavioral1/memory/392-6-0x0000000000450000-0x0000000000994000-memory.dmp	themida
behavioral1/memory/392-5-0x0000000000450000-0x0000000000994000-memory.dmp	themida
behavioral1/memory/392-4-0x0000000000450000-0x0000000000994000-memory.dmp	themida
behavioral1/memory/392-7-0x0000000000450000-0x0000000000994000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/1976-19-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/1976-23-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/1976-24-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/1976-27-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/1976-26-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/1976-25-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/1976-22-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/392-20-0x0000000000450000-0x0000000000994000-memory.dmp	themida
behavioral1/memory/1976-28-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/1976-29-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/372-33-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/372-32-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/372-35-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/372-38-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/372-39-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/372-37-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/372-36-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/372-34-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/372-41-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/2936-49-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/2936-55-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/2936-56-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/2936-54-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/2936-53-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/2936-51-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/2936-52-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/2936-57-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/896-65-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/896-66-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/896-67-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/896-71-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/896-70-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/896-68-0x0000000000390000-0x00000000008D4000-memory.dmp	themida
behavioral1/memory/896-69-0x0000000000390000-0x00000000008D4000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 5 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

explorku.exeexplorku.exeexplorku.exec805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exeexplorku.exe

description	ioc	process
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	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe

Drops file in Windows directory 1 IoCs

Processes:

c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

description ioc process

File created C:\Windows\Tasks\explorku.job c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.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	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

description	pid	process	target process
PID 392 wrote to memory of 1976	392	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe	explorku.exe
PID 392 wrote to memory of 1976	392	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe	explorku.exe
PID 392 wrote to memory of 1976	392	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe
"C:\Users\Admin\AppData\Local\Temp\c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.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:392

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:1976

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=4244,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4204 /prefetch:8
1⤵
PID:4672

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:372

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:2936

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:896

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
411736c06615c0d8e04dd297af8ba3ea

SHA1
b3f6bb5dd84937e81c1f11b88c9807bd0acff2e6

SHA256
c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2

SHA512
8be401015d93bbae6cf142b0c7802b01e3988afa3013703c5e265d1664a3431358dee776b6e98f28cd06752a2c68043587b64c78e8732961602b1d6ef9f8920c

Download Submit
memory/372-41-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/372-36-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/372-37-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/372-39-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/372-38-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/372-35-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/372-34-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/372-32-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/372-33-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/392-4-0x0000000000450000-0x0000000000994000-memory.dmp

Filesize
5.3MB

Download
memory/392-7-0x0000000000450000-0x0000000000994000-memory.dmp

Filesize
5.3MB

Download
memory/392-2-0x0000000000450000-0x0000000000994000-memory.dmp

Filesize
5.3MB

Download
memory/392-3-0x0000000000450000-0x0000000000994000-memory.dmp

Filesize
5.3MB

Download
memory/392-0-0x0000000000450000-0x0000000000994000-memory.dmp

Filesize
5.3MB

Download
memory/392-6-0x0000000000450000-0x0000000000994000-memory.dmp

Filesize
5.3MB

Download
memory/392-20-0x0000000000450000-0x0000000000994000-memory.dmp

Filesize
5.3MB

Download
memory/392-5-0x0000000000450000-0x0000000000994000-memory.dmp

Filesize
5.3MB

Download
memory/392-1-0x0000000000450000-0x0000000000994000-memory.dmp

Filesize
5.3MB

Download
memory/896-67-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/896-69-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/896-65-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/896-66-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/896-68-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/896-71-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/896-70-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/1976-23-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/1976-28-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/1976-19-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/1976-24-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/1976-27-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/1976-29-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/1976-26-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/1976-25-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/1976-22-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/2936-54-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/2936-57-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/2936-52-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/2936-51-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/2936-53-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/2936-56-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/2936-55-0x0000000000390000-0x00000000008D4000-memory.dmp

Filesize
5.3MB

Download
memory/2936-49-0x0000000000390000-0x00000000008D4000-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