amadey | 39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879

General

Target

39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.exe
Size

1.7MB
MD5

0e5490121c872450c3b2da57a3196abf
SHA1

930d5fce18ea3ec714bf7626d497104ea3fbd56c
SHA256

39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879
SHA512

a59f0dcb4ef5e09bf4f38a6207f4033a3fab79a50350cb6a8f722a63a49cc7e6b60c6007a5c85ba36ce821fb51c7de4ded3049d21ab105e6a91467bca61614b7
SSDEEP

49152:V7ZizDzZr/g0IAngw8AdRxmD6z2y5hu9w9M6PVRw:NQz/l/gBYRxP/+9w9lVRw

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.exe39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.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__	39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.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.exe39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.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	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\SystemBiosVersion	39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.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	39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.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:

39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.exe

Executes dropped EXE 4 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exeexplorku.exe

pid process

1072 explorku.exe
1696 explorku.exe
4208 explorku.exe
3412 explorku.exe

pid	process
1072	explorku.exe
1696	explorku.exe
4208	explorku.exe
3412	explorku.exe

Themida packer 47 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/372-1-0x00000000007F0000-0x0000000000D31000-memory.dmp	themida
behavioral1/memory/372-0-0x00000000007F0000-0x0000000000D31000-memory.dmp	themida
behavioral1/memory/372-3-0x00000000007F0000-0x0000000000D31000-memory.dmp	themida
behavioral1/memory/372-2-0x00000000007F0000-0x0000000000D31000-memory.dmp	themida
behavioral1/memory/372-7-0x00000000007F0000-0x0000000000D31000-memory.dmp	themida
behavioral1/memory/372-8-0x00000000007F0000-0x0000000000D31000-memory.dmp	themida
behavioral1/memory/372-6-0x00000000007F0000-0x0000000000D31000-memory.dmp	themida
behavioral1/memory/372-4-0x00000000007F0000-0x0000000000D31000-memory.dmp	themida
behavioral1/memory/372-5-0x00000000007F0000-0x0000000000D31000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/1072-22-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1072-25-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1072-27-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1072-26-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1072-30-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1072-29-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1072-28-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1072-24-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/372-21-0x00000000007F0000-0x0000000000D31000-memory.dmp	themida
behavioral1/memory/1072-23-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1696-32-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1696-34-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1696-35-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1696-33-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1696-37-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1696-36-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1696-40-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1696-39-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1696-38-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1696-41-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/1072-42-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/4208-50-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/4208-53-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/4208-54-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/4208-52-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/4208-51-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/4208-49-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/4208-55-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/4208-56-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/3412-64-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/3412-65-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/3412-69-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/3412-68-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/3412-67-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/3412-66-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/3412-70-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida
behavioral1/memory/3412-72-0x0000000000CF0000-0x0000000001231000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 5 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

explorku.exe39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.exeexplorku.exeexplorku.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	39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.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:

39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.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	39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.exe

description	pid	process	target process
PID 372 wrote to memory of 1072	372	39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.exe	explorku.exe
PID 372 wrote to memory of 1072	372	39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.exe	explorku.exe
PID 372 wrote to memory of 1072	372	39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.exe
"C:\Users\Admin\AppData\Local\Temp\39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879.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:372

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:1072

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:1696

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:4208

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:3412

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
0e5490121c872450c3b2da57a3196abf

SHA1
930d5fce18ea3ec714bf7626d497104ea3fbd56c

SHA256
39225dd77b49b17fa99ac2038a0cb39bd89f6b2b6469f939b321868850922879

SHA512
a59f0dcb4ef5e09bf4f38a6207f4033a3fab79a50350cb6a8f722a63a49cc7e6b60c6007a5c85ba36ce821fb51c7de4ded3049d21ab105e6a91467bca61614b7

Download Submit
memory/372-21-0x00000000007F0000-0x0000000000D31000-memory.dmp

Filesize
5.3MB

Download
memory/372-0-0x00000000007F0000-0x0000000000D31000-memory.dmp

Filesize
5.3MB

Download
memory/372-3-0x00000000007F0000-0x0000000000D31000-memory.dmp

Filesize
5.3MB

Download
memory/372-2-0x00000000007F0000-0x0000000000D31000-memory.dmp

Filesize
5.3MB

Download
memory/372-7-0x00000000007F0000-0x0000000000D31000-memory.dmp

Filesize
5.3MB

Download
memory/372-8-0x00000000007F0000-0x0000000000D31000-memory.dmp

Filesize
5.3MB

Download
memory/372-6-0x00000000007F0000-0x0000000000D31000-memory.dmp

Filesize
5.3MB

Download
memory/372-4-0x00000000007F0000-0x0000000000D31000-memory.dmp

Filesize
5.3MB

Download
memory/372-5-0x00000000007F0000-0x0000000000D31000-memory.dmp

Filesize
5.3MB

Download
memory/372-1-0x00000000007F0000-0x0000000000D31000-memory.dmp

Filesize
5.3MB

Download
memory/1072-22-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1072-27-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1072-26-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1072-30-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1072-29-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1072-28-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1072-24-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1072-25-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1072-23-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1072-42-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1696-35-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1696-34-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1696-33-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1696-37-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1696-36-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1696-40-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1696-39-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1696-38-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1696-41-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/1696-32-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/3412-65-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/3412-64-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/3412-72-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/3412-70-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/3412-66-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/3412-67-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/3412-68-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/3412-69-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/4208-51-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/4208-50-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/4208-56-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/4208-55-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/4208-49-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/4208-53-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/4208-52-0x0000000000CF0000-0x0000000001231000-memory.dmp

Filesize
5.3MB

Download
memory/4208-54-0x0000000000CF0000-0x0000000001231000-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