amadey | cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b

General

Target

cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.exe
Size

1.7MB
MD5

f64d559e0b56442b38d49463f4b94fb1
SHA1

cf66d63b94b628e87967500b4b542214ba8b0bfb
SHA256

cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b
SHA512

9e7c2ca18abe33cc49a8a9b9cfa0fe7e168662445d890ccce5d61a7d367739679a4683d3f3a519db46669823b03b025f475d3c5ae5ab4f14f4d33a9523a4784e
SSDEEP

24576:zy6Vm95lzxp6iP4uW8OA/D3xBS/SfvaZAn9AUWaxlivZ8H6Azg1WwUHEl6OLGJ7J:2kmRznily7nSIBnSzuPar3RMlgQxea

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__	cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.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	cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.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
1664	explorta.exe

Loads dropped DLL 1 IoCs

pid	Process
3008	cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.exe

Themida packer 19 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/3008-0-0x0000000000BF0000-0x0000000001139000-memory.dmp	themida
behavioral1/memory/3008-2-0x0000000000BF0000-0x0000000001139000-memory.dmp	themida
behavioral1/memory/3008-1-0x0000000000BF0000-0x0000000001139000-memory.dmp	themida
behavioral1/memory/3008-3-0x0000000000BF0000-0x0000000001139000-memory.dmp	themida
behavioral1/memory/3008-6-0x0000000000BF0000-0x0000000001139000-memory.dmp	themida
behavioral1/memory/3008-5-0x0000000000BF0000-0x0000000001139000-memory.dmp	themida
behavioral1/memory/3008-4-0x0000000000BF0000-0x0000000001139000-memory.dmp	themida
behavioral1/memory/3008-7-0x0000000000BF0000-0x0000000001139000-memory.dmp	themida
behavioral1/files/0x000800000001566b-15.dat	themida
behavioral1/memory/3008-19-0x0000000000BF0000-0x0000000001139000-memory.dmp	themida
behavioral1/memory/1664-25-0x0000000000F60000-0x00000000014A9000-memory.dmp	themida
behavioral1/memory/1664-27-0x0000000000F60000-0x00000000014A9000-memory.dmp	themida
behavioral1/memory/1664-23-0x0000000000F60000-0x00000000014A9000-memory.dmp	themida
behavioral1/memory/1664-21-0x0000000000F60000-0x00000000014A9000-memory.dmp	themida
behavioral1/memory/1664-20-0x0000000000F60000-0x00000000014A9000-memory.dmp	themida
behavioral1/memory/1664-24-0x0000000000F60000-0x00000000014A9000-memory.dmp	themida
behavioral1/memory/1664-22-0x0000000000F60000-0x00000000014A9000-memory.dmp	themida
behavioral1/memory/1664-26-0x0000000000F60000-0x00000000014A9000-memory.dmp	themida
behavioral1/memory/1664-29-0x0000000000F60000-0x00000000014A9000-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	cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.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	cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.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
3008	cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 1664	3008	cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.exe	28
PID 3008 wrote to memory of 1664	3008	cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.exe	28
PID 3008 wrote to memory of 1664	3008	cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.exe	28
PID 3008 wrote to memory of 1664	3008	cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.exe	28

C:\Users\Admin\AppData\Local\Temp\cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.exe
"C:\Users\Admin\AppData\Local\Temp\cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b.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:3008
- 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:1664

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\5454e6f062\explorta.exe

Filesize
1.7MB

MD5
f64d559e0b56442b38d49463f4b94fb1

SHA1
cf66d63b94b628e87967500b4b542214ba8b0bfb

SHA256
cbbf0f3ef60d36f4dacec456669bf6b5264a56ec4a88a7ca251fe0163c066c5b

SHA512
9e7c2ca18abe33cc49a8a9b9cfa0fe7e168662445d890ccce5d61a7d367739679a4683d3f3a519db46669823b03b025f475d3c5ae5ab4f14f4d33a9523a4784e

Download Submit
memory/1664-25-0x0000000000F60000-0x00000000014A9000-memory.dmp

Filesize
5.3MB

Download
memory/1664-29-0x0000000000F60000-0x00000000014A9000-memory.dmp

Filesize
5.3MB

Download
memory/1664-26-0x0000000000F60000-0x00000000014A9000-memory.dmp

Filesize
5.3MB

Download
memory/1664-22-0x0000000000F60000-0x00000000014A9000-memory.dmp

Filesize
5.3MB

Download
memory/1664-24-0x0000000000F60000-0x00000000014A9000-memory.dmp

Filesize
5.3MB

Download
memory/1664-20-0x0000000000F60000-0x00000000014A9000-memory.dmp

Filesize
5.3MB

Download
memory/1664-21-0x0000000000F60000-0x00000000014A9000-memory.dmp

Filesize
5.3MB

Download
memory/1664-23-0x0000000000F60000-0x00000000014A9000-memory.dmp

Filesize
5.3MB

Download
memory/1664-27-0x0000000000F60000-0x00000000014A9000-memory.dmp

Filesize
5.3MB

Download
memory/3008-5-0x0000000000BF0000-0x0000000001139000-memory.dmp

Filesize
5.3MB

Download
memory/3008-19-0x0000000000BF0000-0x0000000001139000-memory.dmp

Filesize
5.3MB

Download
memory/3008-9-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/3008-7-0x0000000000BF0000-0x0000000001139000-memory.dmp

Filesize
5.3MB

Download
memory/3008-4-0x0000000000BF0000-0x0000000001139000-memory.dmp

Filesize
5.3MB

Download
memory/3008-0-0x0000000000BF0000-0x0000000001139000-memory.dmp

Filesize
5.3MB

Download
memory/3008-6-0x0000000000BF0000-0x0000000001139000-memory.dmp

Filesize
5.3MB

Download
memory/3008-3-0x0000000000BF0000-0x0000000001139000-memory.dmp

Filesize
5.3MB

Download
memory/3008-1-0x0000000000BF0000-0x0000000001139000-memory.dmp

Filesize
5.3MB

Download
memory/3008-2-0x0000000000BF0000-0x0000000001139000-memory.dmp

Filesize
5.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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