amadey | aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a

General

Target

aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.exe
Size

1.7MB
MD5

b2aed8272a5c53f6e986c9f60d169a74
SHA1

36e1b58aaec0971379040c0cfffacba86f1936d9
SHA256

aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a
SHA512

1086a1f0f80344c8e3a4d0410ad8aa4425c4e6093aa8e4846bbcd1435d00589f2020bad020da8c4715f3eefa969eeba938d6789bb2c0dab9bfcbc16e038f3945
SSDEEP

49152:u6KZ2v9GVnNGMWJDgocEjEpKvDf0tih0e8wDpY0NWIaE7:u6ejVNU5YofJh38wmczaE7

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.exeaa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.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__	aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.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.exeaa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.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	aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.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

Executes dropped EXE 3 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exe

pid process

4128 explorku.exe
3828 explorku.exe
1828 explorku.exe

pid	process
4128	explorku.exe
3828	explorku.exe
1828	explorku.exe

Themida packer 37 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2656-2-0x0000000000970000-0x0000000000EC1000-memory.dmp	themida
behavioral2/memory/2656-3-0x0000000000970000-0x0000000000EC1000-memory.dmp	themida
behavioral2/memory/2656-0-0x0000000000970000-0x0000000000EC1000-memory.dmp	themida
behavioral2/memory/2656-1-0x0000000000970000-0x0000000000EC1000-memory.dmp	themida
behavioral2/memory/2656-4-0x0000000000970000-0x0000000000EC1000-memory.dmp	themida
behavioral2/memory/2656-6-0x0000000000970000-0x0000000000EC1000-memory.dmp	themida
behavioral2/memory/2656-5-0x0000000000970000-0x0000000000EC1000-memory.dmp	themida
behavioral2/memory/2656-7-0x0000000000970000-0x0000000000EC1000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral2/memory/4128-21-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/4128-23-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/4128-26-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/4128-24-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/4128-27-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/4128-28-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/4128-25-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/4128-22-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/2656-20-0x0000000000970000-0x0000000000EC1000-memory.dmp	themida
behavioral2/memory/4128-29-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/3828-33-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/3828-34-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/3828-39-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/3828-40-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/3828-37-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/3828-36-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/3828-38-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/3828-35-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/3828-42-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/1828-50-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/1828-52-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/1828-55-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/1828-57-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/1828-56-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/1828-54-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/1828-53-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/1828-51-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida
behavioral2/memory/1828-58-0x0000000000BC0000-0x0000000001111000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.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:

aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.exe

description ioc process

File created C:\Windows\Tasks\explorku.job aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.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	aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.exe

description	pid	process	target process
PID 2656 wrote to memory of 4128	2656	aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.exe	explorku.exe
PID 2656 wrote to memory of 4128	2656	aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.exe	explorku.exe
PID 2656 wrote to memory of 4128	2656	aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.exe
"C:\Users\Admin\AppData\Local\Temp\aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2656

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:4128

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:3828

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:1828

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
b2aed8272a5c53f6e986c9f60d169a74

SHA1
36e1b58aaec0971379040c0cfffacba86f1936d9

SHA256
aa2c9b985d0ce5e1aedea617722bf1790e4ea6fa2e8cf5460e6a65169bae647a

SHA512
1086a1f0f80344c8e3a4d0410ad8aa4425c4e6093aa8e4846bbcd1435d00589f2020bad020da8c4715f3eefa969eeba938d6789bb2c0dab9bfcbc16e038f3945

Download Submit
memory/1828-58-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/1828-52-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/1828-55-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/1828-57-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/1828-56-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/1828-54-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/1828-53-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/1828-50-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/1828-51-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/2656-7-0x0000000000970000-0x0000000000EC1000-memory.dmp

Filesize
5.3MB

Download
memory/2656-2-0x0000000000970000-0x0000000000EC1000-memory.dmp

Filesize
5.3MB

Download
memory/2656-5-0x0000000000970000-0x0000000000EC1000-memory.dmp

Filesize
5.3MB

Download
memory/2656-6-0x0000000000970000-0x0000000000EC1000-memory.dmp

Filesize
5.3MB

Download
memory/2656-4-0x0000000000970000-0x0000000000EC1000-memory.dmp

Filesize
5.3MB

Download
memory/2656-1-0x0000000000970000-0x0000000000EC1000-memory.dmp

Filesize
5.3MB

Download
memory/2656-0-0x0000000000970000-0x0000000000EC1000-memory.dmp

Filesize
5.3MB

Download
memory/2656-20-0x0000000000970000-0x0000000000EC1000-memory.dmp

Filesize
5.3MB

Download
memory/2656-3-0x0000000000970000-0x0000000000EC1000-memory.dmp

Filesize
5.3MB

Download
memory/3828-33-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/3828-34-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/3828-39-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/3828-40-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/3828-37-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/3828-36-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/3828-38-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/3828-35-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/3828-42-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/4128-21-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/4128-29-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/4128-22-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/4128-25-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/4128-28-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/4128-27-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/4128-24-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/4128-26-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download
memory/4128-23-0x0000000000BC0000-0x0000000001111000-memory.dmp

Filesize
5.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads