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 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorku.exec805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.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

Processes:

c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exeexplorku.exe

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

Executes dropped EXE 1 IoCs

Processes:

explorku.exe

pid process

2604 explorku.exe
Loads dropped DLL 1 IoCs

Processes:

c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

pid process

2388 c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

pid	process
2604	explorku.exe

pid	process
2388	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

Themida packer 20 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2388-2-0x0000000000380000-0x00000000008C4000-memory.dmp	themida
behavioral1/memory/2388-1-0x0000000000380000-0x00000000008C4000-memory.dmp	themida
behavioral1/memory/2388-0-0x0000000000380000-0x00000000008C4000-memory.dmp	themida
behavioral1/memory/2388-3-0x0000000000380000-0x00000000008C4000-memory.dmp	themida
behavioral1/memory/2388-5-0x0000000000380000-0x00000000008C4000-memory.dmp	themida
behavioral1/memory/2388-7-0x0000000000380000-0x00000000008C4000-memory.dmp	themida
behavioral1/memory/2388-6-0x0000000000380000-0x00000000008C4000-memory.dmp	themida
behavioral1/memory/2388-4-0x0000000000380000-0x00000000008C4000-memory.dmp	themida
behavioral1/memory/2388-12-0x0000000000380000-0x00000000008C4000-memory.dmp	themida
\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/2388-19-0x0000000000380000-0x00000000008C4000-memory.dmp	themida
behavioral1/memory/2604-24-0x0000000000FD0000-0x0000000001514000-memory.dmp	themida
behavioral1/memory/2604-25-0x0000000000FD0000-0x0000000001514000-memory.dmp	themida
behavioral1/memory/2604-21-0x0000000000FD0000-0x0000000001514000-memory.dmp	themida
behavioral1/memory/2604-27-0x0000000000FD0000-0x0000000001514000-memory.dmp	themida
behavioral1/memory/2604-28-0x0000000000FD0000-0x0000000001514000-memory.dmp	themida
behavioral1/memory/2604-26-0x0000000000FD0000-0x0000000001514000-memory.dmp	themida
behavioral1/memory/2604-20-0x0000000000FD0000-0x0000000001514000-memory.dmp	themida
behavioral1/memory/2604-30-0x0000000000FD0000-0x0000000001514000-memory.dmp	themida
behavioral1/memory/2388-32-0x0000000004EB0000-0x00000000053F4000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exeexplorku.exe

description	ioc	process
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
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

pid process

2388 c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

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

pid	process
2388	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

description	pid	process	target process
PID 2388 wrote to memory of 2604	2388	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe	explorku.exe
PID 2388 wrote to memory of 2604	2388	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe	explorku.exe
PID 2388 wrote to memory of 2604	2388	c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe	explorku.exe
PID 2388 wrote to memory of 2604	2388	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
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2388
- 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:2604

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

2

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.7MB

MD5
411736c06615c0d8e04dd297af8ba3ea

SHA1
b3f6bb5dd84937e81c1f11b88c9807bd0acff2e6

SHA256
c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2

SHA512
8be401015d93bbae6cf142b0c7802b01e3988afa3013703c5e265d1664a3431358dee776b6e98f28cd06752a2c68043587b64c78e8732961602b1d6ef9f8920c

Download Submit
memory/2388-19-0x0000000000380000-0x00000000008C4000-memory.dmp

Filesize
5.3MB

Download
memory/2388-2-0x0000000000380000-0x00000000008C4000-memory.dmp

Filesize
5.3MB

Download
memory/2388-3-0x0000000000380000-0x00000000008C4000-memory.dmp

Filesize
5.3MB

Download
memory/2388-5-0x0000000000380000-0x00000000008C4000-memory.dmp

Filesize
5.3MB

Download
memory/2388-7-0x0000000000380000-0x00000000008C4000-memory.dmp

Filesize
5.3MB

Download
memory/2388-6-0x0000000000380000-0x00000000008C4000-memory.dmp

Filesize
5.3MB

Download
memory/2388-4-0x0000000000380000-0x00000000008C4000-memory.dmp

Filesize
5.3MB

Download
memory/2388-23-0x0000000004EB0000-0x00000000053F4000-memory.dmp

Filesize
5.3MB

Download
memory/2388-32-0x0000000004EB0000-0x00000000053F4000-memory.dmp

Filesize
5.3MB

Download
memory/2388-0-0x0000000000380000-0x00000000008C4000-memory.dmp

Filesize
5.3MB

Download
memory/2388-12-0x0000000000380000-0x00000000008C4000-memory.dmp

Filesize
5.3MB

Download
memory/2388-1-0x0000000000380000-0x00000000008C4000-memory.dmp

Filesize
5.3MB

Download
memory/2604-20-0x0000000000FD0000-0x0000000001514000-memory.dmp

Filesize
5.3MB

Download
memory/2604-21-0x0000000000FD0000-0x0000000001514000-memory.dmp

Filesize
5.3MB

Download
memory/2604-27-0x0000000000FD0000-0x0000000001514000-memory.dmp

Filesize
5.3MB

Download
memory/2604-28-0x0000000000FD0000-0x0000000001514000-memory.dmp

Filesize
5.3MB

Download
memory/2604-26-0x0000000000FD0000-0x0000000001514000-memory.dmp

Filesize
5.3MB

Download
memory/2604-25-0x0000000000FD0000-0x0000000001514000-memory.dmp

Filesize
5.3MB

Download
memory/2604-30-0x0000000000FD0000-0x0000000001514000-memory.dmp

Filesize
5.3MB

Download
memory/2604-24-0x0000000000FD0000-0x0000000001514000-memory.dmp

Filesize
5.3MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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