amadey | 7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd

General

Target

7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe
Size

1.7MB
MD5

54c0d85df83ba39d7c99454810c5af9d
SHA1

e36a0b69ca609d70c190fc782b2739bdfeaf7bef
SHA256

7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd
SHA512

4eb313f1df746ce21b2f6ebe814936729cc4f32af74978be022de810cd17baf136832920122db3b8cb5d94100fa9c94817148d74b40f760ec25a97e42893935d
SSDEEP

49152:8YnZb7fbcSFGh7GNqIxrlUn7/OttWfL56X0LIcjc4vwS:8MZb7Ivl6frM7Ott+7csFvwS

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:

7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.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
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.exe7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.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	7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	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:

7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe

Executes dropped EXE 4 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exeexplorku.exe

pid process

888 explorku.exe
3172 explorku.exe
1080 explorku.exe
636 explorku.exe

pid	process
888	explorku.exe
3172	explorku.exe
1080	explorku.exe
636	explorku.exe

Themida packer 47 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/3212-1-0x00000000005C0000-0x0000000000B00000-memory.dmp	themida
behavioral1/memory/3212-2-0x00000000005C0000-0x0000000000B00000-memory.dmp	themida
behavioral1/memory/3212-5-0x00000000005C0000-0x0000000000B00000-memory.dmp	themida
behavioral1/memory/3212-8-0x00000000005C0000-0x0000000000B00000-memory.dmp	themida
behavioral1/memory/3212-7-0x00000000005C0000-0x0000000000B00000-memory.dmp	themida
behavioral1/memory/3212-6-0x00000000005C0000-0x0000000000B00000-memory.dmp	themida
behavioral1/memory/3212-4-0x00000000005C0000-0x0000000000B00000-memory.dmp	themida
behavioral1/memory/3212-3-0x00000000005C0000-0x0000000000B00000-memory.dmp	themida
behavioral1/memory/3212-0-0x00000000005C0000-0x0000000000B00000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/3212-21-0x00000000005C0000-0x0000000000B00000-memory.dmp	themida
behavioral1/memory/888-27-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/888-29-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/888-30-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/888-28-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/888-26-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/888-25-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/888-24-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/888-23-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/888-22-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/888-31-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/3172-33-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/3172-36-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/3172-38-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/3172-37-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/3172-35-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/3172-34-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/3172-40-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/3172-41-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/3172-39-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/3172-42-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/1080-50-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/1080-52-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/1080-55-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/1080-54-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/1080-53-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/1080-51-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/1080-56-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/1080-57-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/636-66-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/636-67-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/636-65-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/636-69-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/636-71-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/636-70-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/636-68-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida
behavioral1/memory/636-72-0x00000000004D0000-0x0000000000A10000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 5 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

explorku.exeexplorku.exeexplorku.exeexplorku.exe7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.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	explorku.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe

Drops file in Windows directory 1 IoCs

Processes:

7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.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:

7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe

pid process

3212 7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe

description	ioc	process
File created	C:\Windows\Tasks\explorku.job	7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe

pid	process
3212	7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe

description	pid	process	target process
PID 3212 wrote to memory of 888	3212	7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe	explorku.exe
PID 3212 wrote to memory of 888	3212	7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe	explorku.exe
PID 3212 wrote to memory of 888	3212	7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.exe
"C:\Users\Admin\AppData\Local\Temp\7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd.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:3212

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:888

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3452,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4432 /prefetch:8
1⤵
PID:880

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:3172

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:1080

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:636

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
54c0d85df83ba39d7c99454810c5af9d

SHA1
e36a0b69ca609d70c190fc782b2739bdfeaf7bef

SHA256
7d5588166b113d8e9b129decef443f9600a804256a8639bcbbcadcd4389104cd

SHA512
4eb313f1df746ce21b2f6ebe814936729cc4f32af74978be022de810cd17baf136832920122db3b8cb5d94100fa9c94817148d74b40f760ec25a97e42893935d

Download Submit
memory/636-66-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/636-70-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/636-72-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/636-71-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/636-69-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/636-65-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/636-67-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/636-68-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/888-23-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/888-22-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/888-27-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/888-29-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/888-30-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/888-28-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/888-26-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/888-25-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/888-24-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/888-31-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/1080-55-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/1080-57-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/1080-56-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/1080-51-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/1080-53-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/1080-54-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/1080-52-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/1080-50-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/3172-33-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/3172-37-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/3172-39-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/3172-42-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/3172-34-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/3172-35-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/3172-38-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/3172-40-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/3172-36-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/3172-41-0x00000000004D0000-0x0000000000A10000-memory.dmp

Filesize
5.2MB

Download
memory/3212-8-0x00000000005C0000-0x0000000000B00000-memory.dmp

Filesize
5.2MB

Download
memory/3212-21-0x00000000005C0000-0x0000000000B00000-memory.dmp

Filesize
5.2MB

Download
memory/3212-0-0x00000000005C0000-0x0000000000B00000-memory.dmp

Filesize
5.2MB

Download
memory/3212-3-0x00000000005C0000-0x0000000000B00000-memory.dmp

Filesize
5.2MB

Download
memory/3212-4-0x00000000005C0000-0x0000000000B00000-memory.dmp

Filesize
5.2MB

Download
memory/3212-6-0x00000000005C0000-0x0000000000B00000-memory.dmp

Filesize
5.2MB

Download
memory/3212-7-0x00000000005C0000-0x0000000000B00000-memory.dmp

Filesize
5.2MB

Download
memory/3212-2-0x00000000005C0000-0x0000000000B00000-memory.dmp

Filesize
5.2MB

Download
memory/3212-5-0x00000000005C0000-0x0000000000B00000-memory.dmp

Filesize
5.2MB

Download
memory/3212-1-0x00000000005C0000-0x0000000000B00000-memory.dmp

Filesize
5.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads