amadey | 99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d

General

Target

99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.exe
Size

1.6MB
MD5

001be162d542c660f606af631a96a943
SHA1

5d9ddc2c639aa967474fff665f786fdd3b53f6eb
SHA256

99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d
SHA512

160285ea718dfec555990bcc43cf4e2dac3cf067cbfb00b4a77c96de5a5977f42965f14a25d6c6f1aadd5187d9e8d3916826a431b098fde61cba4064ac97ddca
SSDEEP

49152:3tlPaig3iDLdwtzVrQO10UNu16fjbC+gCOeC:9lCD3iDRwvrsUNu167WVx

Score

10^/10

amadey evasion themida trojan

Malware Config

Extracted

Family

amadey

Version

4.20

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.exe99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.exeexplorku.exeexplorku.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.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:

99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.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
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

4504 explorku.exe
1300 explorku.exe
1616 explorku.exe

pid	process
4504	explorku.exe
1300	explorku.exe
1616	explorku.exe

Themida packer 36 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/4528-1-0x0000000000C20000-0x0000000001155000-memory.dmp	themida
behavioral2/memory/4528-3-0x0000000000C20000-0x0000000001155000-memory.dmp	themida
behavioral2/memory/4528-7-0x0000000000C20000-0x0000000001155000-memory.dmp	themida
behavioral2/memory/4528-5-0x0000000000C20000-0x0000000001155000-memory.dmp	themida
behavioral2/memory/4528-4-0x0000000000C20000-0x0000000001155000-memory.dmp	themida
behavioral2/memory/4528-6-0x0000000000C20000-0x0000000001155000-memory.dmp	themida
behavioral2/memory/4528-2-0x0000000000C20000-0x0000000001155000-memory.dmp	themida
behavioral2/memory/4528-0-0x0000000000C20000-0x0000000001155000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral2/memory/4504-21-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/4504-26-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/4504-27-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/4504-25-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/4504-24-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/4504-22-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/4528-20-0x0000000000C20000-0x0000000001155000-memory.dmp	themida
behavioral2/memory/4504-23-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/4504-28-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/4504-29-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1300-35-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1300-37-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1300-42-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1300-40-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1300-39-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1300-38-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1300-36-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1300-41-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1300-43-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1616-56-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1616-57-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1616-55-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1616-54-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1616-53-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1616-52-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1616-51-0x0000000000340000-0x0000000000875000-memory.dmp	themida
behavioral2/memory/1616-58-0x0000000000340000-0x0000000000875000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.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:

99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.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	99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.exe

description	pid	process	target process
PID 4528 wrote to memory of 4504	4528	99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.exe	explorku.exe
PID 4528 wrote to memory of 4504	4528	99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.exe	explorku.exe
PID 4528 wrote to memory of 4504	4528	99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.exe
"C:\Users\Admin\AppData\Local\Temp\99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d.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:4528

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:4504

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:1300

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:1616

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

2

T1012

System Information Discovery

3

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
1.6MB

MD5
001be162d542c660f606af631a96a943

SHA1
5d9ddc2c639aa967474fff665f786fdd3b53f6eb

SHA256
99515ba8406bd2bbd7c705f91bdc3fa5b3c6f2f0bdefde82d82d5445898f9a5d

SHA512
160285ea718dfec555990bcc43cf4e2dac3cf067cbfb00b4a77c96de5a5977f42965f14a25d6c6f1aadd5187d9e8d3916826a431b098fde61cba4064ac97ddca

Download Submit
memory/1300-36-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1300-35-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1300-37-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1300-42-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1300-43-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1300-40-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1300-39-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1300-41-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1300-38-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1616-55-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1616-58-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1616-54-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1616-52-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1616-57-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1616-51-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1616-53-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/1616-56-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/4504-21-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/4504-26-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/4504-28-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/4504-23-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/4504-29-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/4504-22-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/4504-24-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/4504-25-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/4504-27-0x0000000000340000-0x0000000000875000-memory.dmp

Filesize
5.2MB

Download
memory/4528-20-0x0000000000C20000-0x0000000001155000-memory.dmp

Filesize
5.2MB

Download
memory/4528-1-0x0000000000C20000-0x0000000001155000-memory.dmp

Filesize
5.2MB

Download
memory/4528-0-0x0000000000C20000-0x0000000001155000-memory.dmp

Filesize
5.2MB

Download
memory/4528-2-0x0000000000C20000-0x0000000001155000-memory.dmp

Filesize
5.2MB

Download
memory/4528-6-0x0000000000C20000-0x0000000001155000-memory.dmp

Filesize
5.2MB

Download
memory/4528-4-0x0000000000C20000-0x0000000001155000-memory.dmp

Filesize
5.2MB

Download
memory/4528-5-0x0000000000C20000-0x0000000001155000-memory.dmp

Filesize
5.2MB

Download
memory/4528-7-0x0000000000C20000-0x0000000001155000-memory.dmp

Filesize
5.2MB

Download
memory/4528-3-0x0000000000C20000-0x0000000001155000-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