amadey | 4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef

General

Target

4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.exe
Size

1.7MB
MD5

9cfb4f803076a321d61e8493374be103
SHA1

f3e4007305eb66b412e0ef8e1999f780f2abaf44
SHA256

4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef
SHA512

13d942f1e0c7c3368aabff5cdbb30a6a6ec75cee8e31a25d3e1c531d0e3029c0f44c27ac36a2b959bc62040b1e1133d25f9d62c74974d5acff4a96b45e0b7265
SSDEEP

24576:JXeFlzFIx2oCfkVhhm5iCHtT2pcv3MbpcwGu+vLQ6goB+R9rS5777GaJb1f:JX2l3oYkVgxHOcvmAxv1/B+K57fGSZ

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__	4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.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\SystemBiosVersion	4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe

Executes dropped EXE 1 IoCs

pid	Process
2648	explorta.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.exe

Themida packer 22 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1732-0-0x0000000000920000-0x0000000000E69000-memory.dmp	themida
behavioral1/memory/1732-3-0x0000000000920000-0x0000000000E69000-memory.dmp	themida
behavioral1/memory/1732-2-0x0000000000920000-0x0000000000E69000-memory.dmp	themida
behavioral1/memory/1732-1-0x0000000000920000-0x0000000000E69000-memory.dmp	themida
behavioral1/memory/1732-4-0x0000000000920000-0x0000000000E69000-memory.dmp	themida
behavioral1/memory/1732-7-0x0000000000920000-0x0000000000E69000-memory.dmp	themida
behavioral1/memory/1732-8-0x0000000000920000-0x0000000000E69000-memory.dmp	themida
behavioral1/memory/1732-6-0x0000000000920000-0x0000000000E69000-memory.dmp	themida
behavioral1/memory/1732-5-0x0000000000920000-0x0000000000E69000-memory.dmp	themida
behavioral1/files/0x002d00000001325f-15.dat	themida
behavioral1/memory/2648-21-0x0000000000AE0000-0x0000000001029000-memory.dmp	themida
behavioral1/memory/2648-29-0x0000000000AE0000-0x0000000001029000-memory.dmp	themida
behavioral1/memory/2648-28-0x0000000000AE0000-0x0000000001029000-memory.dmp	themida
behavioral1/memory/2648-27-0x0000000000AE0000-0x0000000001029000-memory.dmp	themida
behavioral1/memory/2648-26-0x0000000000AE0000-0x0000000001029000-memory.dmp	themida
behavioral1/memory/1732-25-0x0000000000920000-0x0000000000E69000-memory.dmp	themida
behavioral1/memory/2648-23-0x0000000000AE0000-0x0000000001029000-memory.dmp	themida
behavioral1/memory/2648-20-0x0000000000AE0000-0x0000000001029000-memory.dmp	themida
behavioral1/memory/1732-18-0x0000000004BD0000-0x0000000005119000-memory.dmp	themida
behavioral1/memory/2648-22-0x0000000000AE0000-0x0000000001029000-memory.dmp	themida
behavioral1/memory/2648-30-0x0000000000AE0000-0x0000000001029000-memory.dmp	themida
behavioral1/memory/2648-32-0x0000000000AE0000-0x0000000001029000-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	4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.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	4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.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
1732	4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2648	1732	4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.exe	28
PID 1732 wrote to memory of 2648	1732	4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.exe	28
PID 1732 wrote to memory of 2648	1732	4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.exe	28
PID 1732 wrote to memory of 2648	1732	4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.exe	28

C:\Users\Admin\AppData\Local\Temp\4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.exe
"C:\Users\Admin\AppData\Local\Temp\4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef.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:1732
- 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:2648

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

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

Filesize
1.7MB

MD5
9cfb4f803076a321d61e8493374be103

SHA1
f3e4007305eb66b412e0ef8e1999f780f2abaf44

SHA256
4f59cf1f566021a6fa0ce0dc63ec40060baf970db3062a10ef25fce2f4304cef

SHA512
13d942f1e0c7c3368aabff5cdbb30a6a6ec75cee8e31a25d3e1c531d0e3029c0f44c27ac36a2b959bc62040b1e1133d25f9d62c74974d5acff4a96b45e0b7265

Download Submit
memory/1732-7-0x0000000000920000-0x0000000000E69000-memory.dmp

Filesize
5.3MB

Download
memory/1732-1-0x0000000000920000-0x0000000000E69000-memory.dmp

Filesize
5.3MB

Download
memory/1732-18-0x0000000004BD0000-0x0000000005119000-memory.dmp

Filesize
5.3MB

Download
memory/1732-4-0x0000000000920000-0x0000000000E69000-memory.dmp

Filesize
5.3MB

Download
memory/1732-0-0x0000000000920000-0x0000000000E69000-memory.dmp

Filesize
5.3MB

Download
memory/1732-8-0x0000000000920000-0x0000000000E69000-memory.dmp

Filesize
5.3MB

Download
memory/1732-6-0x0000000000920000-0x0000000000E69000-memory.dmp

Filesize
5.3MB

Download
memory/1732-5-0x0000000000920000-0x0000000000E69000-memory.dmp

Filesize
5.3MB

Download
memory/1732-25-0x0000000000920000-0x0000000000E69000-memory.dmp

Filesize
5.3MB

Download
memory/1732-3-0x0000000000920000-0x0000000000E69000-memory.dmp

Filesize
5.3MB

Download
memory/1732-10-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1732-2-0x0000000000920000-0x0000000000E69000-memory.dmp

Filesize
5.3MB

Download
memory/2648-32-0x0000000000AE0000-0x0000000001029000-memory.dmp

Filesize
5.3MB

Download
memory/2648-27-0x0000000000AE0000-0x0000000001029000-memory.dmp

Filesize
5.3MB

Download
memory/2648-26-0x0000000000AE0000-0x0000000001029000-memory.dmp

Filesize
5.3MB

Download
memory/2648-28-0x0000000000AE0000-0x0000000001029000-memory.dmp

Filesize
5.3MB

Download
memory/2648-23-0x0000000000AE0000-0x0000000001029000-memory.dmp

Filesize
5.3MB

Download
memory/2648-20-0x0000000000AE0000-0x0000000001029000-memory.dmp

Filesize
5.3MB

Download
memory/2648-29-0x0000000000AE0000-0x0000000001029000-memory.dmp

Filesize
5.3MB

Download
memory/2648-22-0x0000000000AE0000-0x0000000001029000-memory.dmp

Filesize
5.3MB

Download
memory/2648-30-0x0000000000AE0000-0x0000000001029000-memory.dmp

Filesize
5.3MB

Download
memory/2648-21-0x0000000000AE0000-0x0000000001029000-memory.dmp

Filesize
5.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads