amadey | 59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71

General

Target

59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe
Size

1.6MB
MD5

c1e8ef98e5bf0e684aa3f87cda4c47d7
SHA1

440d9a5445e7dc5473123eab18538a8d7377410f
SHA256

59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71
SHA512

a5f998c45efd9ba293bf883363676a4acfa27122d233f65e58284a73746c75688746294edaa5d80468970bbf3dcc5233a64ef26113887df2404bd878f72444af
SSDEEP

24576:A8dcvpe6pBgcWErP6c38GqjyBq1Dfu5mZJr9qeKc6VM2zOcRTEaP26xsveq3m:LevpVBgpErP6u8FqqpumzRdl6Vzz4aV3

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:

59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.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.exe59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.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	59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.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:

59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe

Executes dropped EXE 3 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exe

pid process

2524 explorku.exe
3400 explorku.exe
4672 explorku.exe

pid	process
2524	explorku.exe
3400	explorku.exe
4672	explorku.exe

Themida packer 35 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1184-0-0x0000000000400000-0x000000000093C000-memory.dmp	themida
behavioral1/memory/1184-1-0x0000000000400000-0x000000000093C000-memory.dmp	themida
behavioral1/memory/1184-2-0x0000000000400000-0x000000000093C000-memory.dmp	themida
behavioral1/memory/1184-3-0x0000000000400000-0x000000000093C000-memory.dmp	themida
behavioral1/memory/1184-4-0x0000000000400000-0x000000000093C000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/1184-15-0x0000000000400000-0x000000000093C000-memory.dmp	themida
behavioral1/memory/2524-18-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/2524-19-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/2524-21-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/2524-20-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/2524-23-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/2524-22-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/2524-25-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/2524-24-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/2524-26-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/2524-27-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/3400-32-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/3400-34-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/3400-33-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/3400-35-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/3400-39-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/3400-36-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/3400-40-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/3400-37-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/3400-38-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/3400-42-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/4672-52-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/4672-50-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/4672-51-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/4672-55-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/4672-53-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/4672-54-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/4672-56-0x0000000000490000-0x00000000009CC000-memory.dmp	themida
behavioral1/memory/4672-58-0x0000000000490000-0x00000000009CC000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.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:

59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.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:

59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe

pid process

1184 59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe

description	ioc	process
File created	C:\Windows\Tasks\explorku.job	59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe

pid	process
1184	59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe

description	pid	process	target process
PID 1184 wrote to memory of 2524	1184	59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe	explorku.exe
PID 1184 wrote to memory of 2524	1184	59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe	explorku.exe
PID 1184 wrote to memory of 2524	1184	59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe
"C:\Users\Admin\AppData\Local\Temp\59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.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:1184

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:2524

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 --mojo-platform-channel-handle=1400 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
1⤵
PID:4216

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:3400

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:4672

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
c1e8ef98e5bf0e684aa3f87cda4c47d7

SHA1
440d9a5445e7dc5473123eab18538a8d7377410f

SHA256
59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71

SHA512
a5f998c45efd9ba293bf883363676a4acfa27122d233f65e58284a73746c75688746294edaa5d80468970bbf3dcc5233a64ef26113887df2404bd878f72444af

Download Submit
memory/1184-0-0x0000000000400000-0x000000000093C000-memory.dmp

Filesize
5.2MB

Download
memory/1184-1-0x0000000000400000-0x000000000093C000-memory.dmp

Filesize
5.2MB

Download
memory/1184-2-0x0000000000400000-0x000000000093C000-memory.dmp

Filesize
5.2MB

Download
memory/1184-3-0x0000000000400000-0x000000000093C000-memory.dmp

Filesize
5.2MB

Download
memory/1184-4-0x0000000000400000-0x000000000093C000-memory.dmp

Filesize
5.2MB

Download
memory/1184-15-0x0000000000400000-0x000000000093C000-memory.dmp

Filesize
5.2MB

Download
memory/2524-27-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/2524-19-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/2524-21-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/2524-20-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/2524-23-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/2524-22-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/2524-25-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/2524-24-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/2524-26-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/2524-18-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/3400-35-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/3400-42-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/3400-33-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/3400-32-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/3400-39-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/3400-36-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/3400-40-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/3400-37-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/3400-38-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/3400-34-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/4672-52-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/4672-50-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/4672-51-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/4672-55-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/4672-53-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/4672-54-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/4672-56-0x0000000000490000-0x00000000009CC000-memory.dmp

Filesize
5.2MB

Download
memory/4672-58-0x0000000000490000-0x00000000009CC000-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