amadey | 70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f

General

Target

70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exe
Size

1.7MB
MD5

e60809eaefeb841956149770a42425ac
SHA1

7a5a59381f5726d685b2b9fd71851e21629f8820
SHA256

70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f
SHA512

c684bb5fbba02172f2b2d569042c1e67fd3842587b15fa0444a858ea2cf3d55a6cbb36f0d7c4aed84c3f335bb4a2dc7107e9627045eb434a8db2b03bd26dac62
SSDEEP

49152:VbySgDhvkhAxBfkdIbUEgCPzM3O+p1XZH/0J:NmOUBpRgCoe+p1Xx/0J

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:

explorku.exeexplorku.exeexplorku.exe70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.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__	70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.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.exeexplorku.exe70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exeexplorku.exe

description	ioc	process
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	70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.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

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:

70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exe

Executes dropped EXE 3 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exe

pid process

4220 explorku.exe
4476 explorku.exe
3500 explorku.exe

pid	process
4220	explorku.exe
4476	explorku.exe
3500	explorku.exe

Themida packer 35 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/3248-4-0x0000000000240000-0x0000000000789000-memory.dmp	themida
behavioral1/memory/3248-3-0x0000000000240000-0x0000000000789000-memory.dmp	themida
behavioral1/memory/3248-0-0x0000000000240000-0x0000000000789000-memory.dmp	themida
behavioral1/memory/3248-6-0x0000000000240000-0x0000000000789000-memory.dmp	themida
behavioral1/memory/3248-7-0x0000000000240000-0x0000000000789000-memory.dmp	themida
behavioral1/memory/3248-5-0x0000000000240000-0x0000000000789000-memory.dmp	themida
behavioral1/memory/3248-2-0x0000000000240000-0x0000000000789000-memory.dmp	themida
behavioral1/memory/3248-1-0x0000000000240000-0x0000000000789000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/3248-19-0x0000000000240000-0x0000000000789000-memory.dmp	themida
behavioral1/memory/4220-20-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4220-22-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4220-26-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4220-28-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4220-27-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4220-25-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4220-23-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4220-24-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4220-29-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4476-40-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4476-39-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4476-41-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4476-38-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4476-42-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4476-36-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4476-37-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/4476-43-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/3500-51-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/3500-53-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/3500-52-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/3500-56-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/3500-57-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/3500-55-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/3500-54-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida
behavioral1/memory/3500-58-0x0000000000FD0000-0x0000000001519000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.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:

70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.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	70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exe

description	pid	process	target process
PID 3248 wrote to memory of 4220	3248	70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exe	explorku.exe
PID 3248 wrote to memory of 4220	3248	70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exe	explorku.exe
PID 3248 wrote to memory of 4220	3248	70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.exe
"C:\Users\Admin\AppData\Local\Temp\70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f.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:3248

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:4220

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:4476

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:3500

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
e60809eaefeb841956149770a42425ac

SHA1
7a5a59381f5726d685b2b9fd71851e21629f8820

SHA256
70f91b4313208a2fe64f343219aaab06ab2e8a1ecdec9b1ac69384fa98861e8f

SHA512
c684bb5fbba02172f2b2d569042c1e67fd3842587b15fa0444a858ea2cf3d55a6cbb36f0d7c4aed84c3f335bb4a2dc7107e9627045eb434a8db2b03bd26dac62

Download Submit
memory/3248-7-0x0000000000240000-0x0000000000789000-memory.dmp

Filesize
5.3MB

Download
memory/3248-5-0x0000000000240000-0x0000000000789000-memory.dmp

Filesize
5.3MB

Download
memory/3248-19-0x0000000000240000-0x0000000000789000-memory.dmp

Filesize
5.3MB

Download
memory/3248-4-0x0000000000240000-0x0000000000789000-memory.dmp

Filesize
5.3MB

Download
memory/3248-3-0x0000000000240000-0x0000000000789000-memory.dmp

Filesize
5.3MB

Download
memory/3248-2-0x0000000000240000-0x0000000000789000-memory.dmp

Filesize
5.3MB

Download
memory/3248-1-0x0000000000240000-0x0000000000789000-memory.dmp

Filesize
5.3MB

Download
memory/3248-0-0x0000000000240000-0x0000000000789000-memory.dmp

Filesize
5.3MB

Download
memory/3248-6-0x0000000000240000-0x0000000000789000-memory.dmp

Filesize
5.3MB

Download
memory/3500-54-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/3500-58-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/3500-55-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/3500-57-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/3500-56-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/3500-52-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/3500-51-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/3500-53-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4220-23-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4220-28-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4220-20-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4220-22-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4220-26-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4220-27-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4220-25-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4220-24-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4220-29-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4476-43-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4476-37-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4476-36-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4476-42-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4476-40-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4476-38-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4476-41-0x0000000000FD0000-0x0000000001519000-memory.dmp

Filesize
5.3MB

Download
memory/4476-39-0x0000000000FD0000-0x0000000001519000-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