amadey | 9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776

General

Target

9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe
Size

1.5MB
MD5

4cda626e5d806bc3b093bc56dd829bee
SHA1

8984f6d064511a679011bd814f613861b6761e40
SHA256

9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776
SHA512

c71baf61ff08d3d1e1a1faacd83f9eb7a3eb5e41607bbaea1dcf20d021a7fc8d7a4f207701adf8603058d90529b809882165627d4ef0ce87330497a3f07b4030
SSDEEP

49152:RLtuTLgBzg6mqr7AUc9bqu4daUecj6gxc7wT6i+vK:TufCvr7PTu4UTM5iG6iZ

Score

10^/10

amadey evasion themida trojan

Malware Config

Extracted

Family

amadey

Version

4.20

C2

http://193.233.132.139

Attributes

install_dir
5454e6f062
install_file
explorta.exe
strings_key
c7a869c5ba1d72480093ec207994e2bf
url_paths
/sev56rkm/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 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe

Executes dropped EXE 1 IoCs

pid	Process
2368	explorta.exe

Loads dropped DLL 1 IoCs

pid	Process
1784	9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe

Themida packer 19 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1784-0-0x0000000000840000-0x0000000000D2C000-memory.dmp	themida
behavioral1/memory/1784-1-0x0000000000840000-0x0000000000D2C000-memory.dmp	themida
behavioral1/memory/1784-3-0x0000000000840000-0x0000000000D2C000-memory.dmp	themida
behavioral1/memory/1784-2-0x0000000000840000-0x0000000000D2C000-memory.dmp	themida
behavioral1/memory/1784-7-0x0000000000840000-0x0000000000D2C000-memory.dmp	themida
behavioral1/memory/1784-6-0x0000000000840000-0x0000000000D2C000-memory.dmp	themida
behavioral1/memory/1784-5-0x0000000000840000-0x0000000000D2C000-memory.dmp	themida
behavioral1/memory/1784-4-0x0000000000840000-0x0000000000D2C000-memory.dmp	themida
behavioral1/files/0x0008000000013a15-14.dat	themida
behavioral1/memory/2368-21-0x0000000000170000-0x000000000065C000-memory.dmp	themida
behavioral1/memory/1784-20-0x0000000000840000-0x0000000000D2C000-memory.dmp	themida
behavioral1/memory/2368-22-0x0000000000170000-0x000000000065C000-memory.dmp	themida
behavioral1/memory/2368-24-0x0000000000170000-0x000000000065C000-memory.dmp	themida
behavioral1/memory/2368-27-0x0000000000170000-0x000000000065C000-memory.dmp	themida
behavioral1/memory/2368-28-0x0000000000170000-0x000000000065C000-memory.dmp	themida
behavioral1/memory/2368-26-0x0000000000170000-0x000000000065C000-memory.dmp	themida
behavioral1/memory/2368-25-0x0000000000170000-0x000000000065C000-memory.dmp	themida
behavioral1/memory/2368-23-0x0000000000170000-0x000000000065C000-memory.dmp	themida
behavioral1/memory/2368-30-0x0000000000170000-0x000000000065C000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorta.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorta.job	9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.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

pid	Process
1784	9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 2368	1784	9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe	28
PID 1784 wrote to memory of 2368	1784	9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe	28
PID 1784 wrote to memory of 2368	1784	9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe	28
PID 1784 wrote to memory of 2368	1784	9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe	28

C:\Users\Admin\AppData\Local\Temp\9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe
"C:\Users\Admin\AppData\Local\Temp\9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
  "C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:2368

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

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe

Filesize
1.5MB

MD5
4cda626e5d806bc3b093bc56dd829bee

SHA1
8984f6d064511a679011bd814f613861b6761e40

SHA256
9535a58350da019d2a856233a71d35c8d8cf4596da6086f543b8db4e1ea82776

SHA512
c71baf61ff08d3d1e1a1faacd83f9eb7a3eb5e41607bbaea1dcf20d021a7fc8d7a4f207701adf8603058d90529b809882165627d4ef0ce87330497a3f07b4030

Download Submit
memory/1784-17-0x0000000004C70000-0x000000000515C000-memory.dmp

Filesize
4.9MB

Download
memory/1784-20-0x0000000000840000-0x0000000000D2C000-memory.dmp

Filesize
4.9MB

Download
memory/1784-2-0x0000000000840000-0x0000000000D2C000-memory.dmp

Filesize
4.9MB

Download
memory/1784-7-0x0000000000840000-0x0000000000D2C000-memory.dmp

Filesize
4.9MB

Download
memory/1784-6-0x0000000000840000-0x0000000000D2C000-memory.dmp

Filesize
4.9MB

Download
memory/1784-5-0x0000000000840000-0x0000000000D2C000-memory.dmp

Filesize
4.9MB

Download
memory/1784-4-0x0000000000840000-0x0000000000D2C000-memory.dmp

Filesize
4.9MB

Download
memory/1784-1-0x0000000000840000-0x0000000000D2C000-memory.dmp

Filesize
4.9MB

Download
memory/1784-0-0x0000000000840000-0x0000000000D2C000-memory.dmp

Filesize
4.9MB

Download
memory/1784-3-0x0000000000840000-0x0000000000D2C000-memory.dmp

Filesize
4.9MB

Download
memory/1784-9-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2368-25-0x0000000000170000-0x000000000065C000-memory.dmp

Filesize
4.9MB

Download
memory/2368-22-0x0000000000170000-0x000000000065C000-memory.dmp

Filesize
4.9MB

Download
memory/2368-24-0x0000000000170000-0x000000000065C000-memory.dmp

Filesize
4.9MB

Download
memory/2368-27-0x0000000000170000-0x000000000065C000-memory.dmp

Filesize
4.9MB

Download
memory/2368-28-0x0000000000170000-0x000000000065C000-memory.dmp

Filesize
4.9MB

Download
memory/2368-26-0x0000000000170000-0x000000000065C000-memory.dmp

Filesize
4.9MB

Download
memory/2368-30-0x0000000000170000-0x000000000065C000-memory.dmp

Filesize
4.9MB

Download
memory/2368-23-0x0000000000170000-0x000000000065C000-memory.dmp

Filesize
4.9MB

Download
memory/2368-21-0x0000000000170000-0x000000000065C000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads