amadey | 7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916

General

Target

7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exe
Size

1.6MB
MD5

629ec06a2b2c059b0f7ded3309a5745c
SHA1

da85fc77c85e7a8ac1162bc059a979938bdfc581
SHA256

7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916
SHA512

9664bd8e8bfc96c2f69986381fb1a9967ff815829347884d3df77e160903711c3ed68669a9642930c8e3680c7b14f849b9c2b8b9809e631912aa73433339d62a
SSDEEP

49152:aRdgRS4bS2/4k5Sf6489GCJ+UIrTIWr7Sx:6SRw/k5GdUJJp+TNfo

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.exeexplorku.exe7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.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__	7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.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.exe7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exeexplorku.exe

description	ioc	process
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	7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.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

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:

7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exe

Executes dropped EXE 3 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exe

pid process

3120 explorku.exe
5012 explorku.exe
3148 explorku.exe

pid	process
3120	explorku.exe
5012	explorku.exe
3148	explorku.exe

Themida packer 30 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/4844-2-0x00000000007E0000-0x0000000000CD2000-memory.dmp	themida
behavioral1/memory/4844-1-0x00000000007E0000-0x0000000000CD2000-memory.dmp	themida
behavioral1/memory/4844-3-0x00000000007E0000-0x0000000000CD2000-memory.dmp	themida
behavioral1/memory/4844-6-0x00000000007E0000-0x0000000000CD2000-memory.dmp	themida
behavioral1/memory/4844-4-0x00000000007E0000-0x0000000000CD2000-memory.dmp	themida
behavioral1/memory/4844-5-0x00000000007E0000-0x0000000000CD2000-memory.dmp	themida
behavioral1/memory/4844-0-0x00000000007E0000-0x0000000000CD2000-memory.dmp	themida
behavioral1/memory/4844-7-0x00000000007E0000-0x0000000000CD2000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/3120-22-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3120-26-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3120-21-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3120-27-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3120-28-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3120-25-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3120-24-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3120-23-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/4844-20-0x00000000007E0000-0x0000000000CD2000-memory.dmp	themida
behavioral1/memory/3120-29-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/5012-33-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/5012-35-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3148-43-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3148-45-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3148-47-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3148-49-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3148-48-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3148-44-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3148-46-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3148-50-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida
behavioral1/memory/3148-52-0x0000000000BD0000-0x00000000010C2000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.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:

7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.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	7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exe

description	pid	process	target process
PID 4844 wrote to memory of 3120	4844	7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exe	explorku.exe
PID 4844 wrote to memory of 3120	4844	7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exe	explorku.exe
PID 4844 wrote to memory of 3120	4844	7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.exe
"C:\Users\Admin\AppData\Local\Temp\7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916.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:4844

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:3120

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:5012

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:3148

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
1.6MB

MD5
629ec06a2b2c059b0f7ded3309a5745c

SHA1
da85fc77c85e7a8ac1162bc059a979938bdfc581

SHA256
7a340193e104632195fddeb5511f3004d7d9a5fff9887824d15650c8f7493916

SHA512
9664bd8e8bfc96c2f69986381fb1a9967ff815829347884d3df77e160903711c3ed68669a9642930c8e3680c7b14f849b9c2b8b9809e631912aa73433339d62a

Download Submit
memory/3120-26-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3120-29-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3120-23-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3120-24-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3120-25-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3120-28-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3120-27-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3120-21-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3120-22-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3148-43-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3148-45-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3148-52-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3148-50-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3148-46-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3148-44-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3148-48-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3148-49-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/3148-47-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/4844-6-0x00000000007E0000-0x0000000000CD2000-memory.dmp

Filesize
4.9MB

Download
memory/4844-2-0x00000000007E0000-0x0000000000CD2000-memory.dmp

Filesize
4.9MB

Download
memory/4844-1-0x00000000007E0000-0x0000000000CD2000-memory.dmp

Filesize
4.9MB

Download
memory/4844-20-0x00000000007E0000-0x0000000000CD2000-memory.dmp

Filesize
4.9MB

Download
memory/4844-3-0x00000000007E0000-0x0000000000CD2000-memory.dmp

Filesize
4.9MB

Download
memory/4844-7-0x00000000007E0000-0x0000000000CD2000-memory.dmp

Filesize
4.9MB

Download
memory/4844-4-0x00000000007E0000-0x0000000000CD2000-memory.dmp

Filesize
4.9MB

Download
memory/4844-5-0x00000000007E0000-0x0000000000CD2000-memory.dmp

Filesize
4.9MB

Download
memory/4844-0-0x00000000007E0000-0x0000000000CD2000-memory.dmp

Filesize
4.9MB

Download
memory/5012-35-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download
memory/5012-33-0x0000000000BD0000-0x00000000010C2000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads