amadey | 58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386

General

Target

58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe
Size

1.7MB
MD5

6f04242fe608629caa797126e1a1f06c
SHA1

67dc1e8443603737bfd38b8ede17cfed8a06f4ab
SHA256

58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386
SHA512

20495db67dc5f6a25f1dd02f58e49750e4ac55fed4162e1f81dbb54b7769efa21ee93f293f194319880a829142bbb758431f39169edd6306b0c409b7e67ae378
SSDEEP

49152:Vk6ZoTERvptZRpvzApRHLwdoOuVtMNQG+UL2WwKlfRpun:agAElfrFzApK+OWfULBffRpun

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:

58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.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__	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.exeexplorku.exe58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.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	58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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:

58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe

Executes dropped EXE 3 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exe

pid process

948 explorku.exe
2572 explorku.exe
3732 explorku.exe

pid	process
948	explorku.exe
2572	explorku.exe
3732	explorku.exe

Themida packer 36 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/3748-0-0x0000000000BC0000-0x000000000110A000-memory.dmp	themida
behavioral1/memory/3748-2-0x0000000000BC0000-0x000000000110A000-memory.dmp	themida
behavioral1/memory/3748-3-0x0000000000BC0000-0x000000000110A000-memory.dmp	themida
behavioral1/memory/3748-1-0x0000000000BC0000-0x000000000110A000-memory.dmp	themida
behavioral1/memory/3748-4-0x0000000000BC0000-0x000000000110A000-memory.dmp	themida
behavioral1/memory/3748-6-0x0000000000BC0000-0x000000000110A000-memory.dmp	themida
behavioral1/memory/3748-7-0x0000000000BC0000-0x000000000110A000-memory.dmp	themida
behavioral1/memory/3748-5-0x0000000000BC0000-0x000000000110A000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/948-21-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/3748-20-0x0000000000BC0000-0x000000000110A000-memory.dmp	themida
behavioral1/memory/948-22-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/948-23-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/948-27-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/948-26-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/948-25-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/948-24-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/948-28-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/948-29-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/2572-35-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/2572-37-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/2572-36-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/2572-41-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/2572-42-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/2572-40-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/2572-39-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/2572-38-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/2572-44-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/3732-52-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/3732-53-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/3732-58-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/3732-57-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/3732-55-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/3732-56-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/3732-54-0x0000000000420000-0x000000000096A000-memory.dmp	themida
behavioral1/memory/3732-59-0x0000000000420000-0x000000000096A000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

explorku.exeexplorku.exeexplorku.exe58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.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	58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe

Drops file in Windows directory 1 IoCs

Processes:

58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.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:

58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe

pid process

3748 58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe

description	ioc	process
File created	C:\Windows\Tasks\explorku.job	58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe

pid	process
3748	58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe

description	pid	process	target process
PID 3748 wrote to memory of 948	3748	58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe	explorku.exe
PID 3748 wrote to memory of 948	3748	58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe	explorku.exe
PID 3748 wrote to memory of 948	3748	58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.exe
"C:\Users\Admin\AppData\Local\Temp\58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3748

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:948

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:2572

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:3732

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

3

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

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

MD5
6f04242fe608629caa797126e1a1f06c

SHA1
67dc1e8443603737bfd38b8ede17cfed8a06f4ab

SHA256
58ceac5179a2a39101c8ba12e1aa127c9ed2d2af43689aba79bffaa4ae9d9386

SHA512
20495db67dc5f6a25f1dd02f58e49750e4ac55fed4162e1f81dbb54b7769efa21ee93f293f194319880a829142bbb758431f39169edd6306b0c409b7e67ae378

Download Submit
memory/948-29-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/948-22-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/948-24-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/948-28-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/948-25-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/948-26-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/948-27-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/948-23-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/948-21-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/2572-37-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/2572-44-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/2572-38-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/2572-39-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/2572-35-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/2572-40-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/2572-42-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/2572-41-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/2572-36-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/3732-56-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/3732-52-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/3732-53-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/3732-54-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/3732-59-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/3732-58-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/3732-55-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/3732-57-0x0000000000420000-0x000000000096A000-memory.dmp

Filesize
5.3MB

Download
memory/3748-20-0x0000000000BC0000-0x000000000110A000-memory.dmp

Filesize
5.3MB

Download
memory/3748-7-0x0000000000BC0000-0x000000000110A000-memory.dmp

Filesize
5.3MB

Download
memory/3748-4-0x0000000000BC0000-0x000000000110A000-memory.dmp

Filesize
5.3MB

Download
memory/3748-3-0x0000000000BC0000-0x000000000110A000-memory.dmp

Filesize
5.3MB

Download
memory/3748-2-0x0000000000BC0000-0x000000000110A000-memory.dmp

Filesize
5.3MB

Download
memory/3748-5-0x0000000000BC0000-0x000000000110A000-memory.dmp

Filesize
5.3MB

Download
memory/3748-6-0x0000000000BC0000-0x000000000110A000-memory.dmp

Filesize
5.3MB

Download
memory/3748-0-0x0000000000BC0000-0x000000000110A000-memory.dmp

Filesize
5.3MB

Download
memory/3748-1-0x0000000000BC0000-0x000000000110A000-memory.dmp

Filesize
5.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads