amadey | a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef

General

Target

a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe
Size

2.9MB
MD5

838dfe4fdfe00acd5160ed5f7e5fe620
SHA1

67c679c92a0fed7ebd5669645034988fcfc9c16d
SHA256

a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef
SHA512

70c5a95da4687e90e46d55174b854620bc448ee421b1b6007b3768025797dc41a550e9e33628ba146a00945f24c6ad9f220011a5227ee657e7d9b7c3525c7000
SSDEEP

49152:uttBUV5eLR+wRRnPz8AMtO8OTBVqVkBXr35wLo:SwXaR+wRpz8AMtuT3LXT5wL

Score

10^/10

amadey 9c9aa5 discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes

install_dir
abc3bc1985
install_file
skotes.exe
strings_key
8a35cf2ea38c2817dba29a4b5b25dcf0
url_paths
/Zu7JuNko/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey
Amadey family
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__	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.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	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	skotes.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	skotes.exe

Loads dropped DLL 2 IoCs

pid	Process
2484	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe
2484	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2484	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe
2756	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2484	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe
2756	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2484	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2756	2484	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe	30
PID 2484 wrote to memory of 2756	2484	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe	30
PID 2484 wrote to memory of 2756	2484	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe	30
PID 2484 wrote to memory of 2756	2484	a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe	30

C:\Users\Admin\AppData\Local\Temp\a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe
"C:\Users\Admin\AppData\Local\Temp\a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
  "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

Filesize
2.9MB

MD5
838dfe4fdfe00acd5160ed5f7e5fe620

SHA1
67c679c92a0fed7ebd5669645034988fcfc9c16d

SHA256
a1aa2f3960356ac618995c25c51a91cabb963a878a45ac0213bbe5bc478772ef

SHA512
70c5a95da4687e90e46d55174b854620bc448ee421b1b6007b3768025797dc41a550e9e33628ba146a00945f24c6ad9f220011a5227ee657e7d9b7c3525c7000

Download Submit
memory/2484-18-0x0000000000E70000-0x000000000118B000-memory.dmp

Filesize
3.1MB

Download
memory/2484-2-0x0000000000E71000-0x0000000000E9F000-memory.dmp

Filesize
184KB

Download
memory/2484-3-0x0000000000E70000-0x000000000118B000-memory.dmp

Filesize
3.1MB

Download
memory/2484-4-0x0000000000E70000-0x000000000118B000-memory.dmp

Filesize
3.1MB

Download
memory/2484-1-0x00000000778A0000-0x00000000778A2000-memory.dmp

Filesize
8KB

Download
memory/2484-0-0x0000000000E70000-0x000000000118B000-memory.dmp

Filesize
3.1MB

Download
memory/2484-19-0x00000000064D0000-0x00000000067EB000-memory.dmp

Filesize
3.1MB

Download
memory/2484-20-0x00000000064D0000-0x00000000067EB000-memory.dmp

Filesize
3.1MB

Download
memory/2756-21-0x0000000000F10000-0x000000000122B000-memory.dmp

Filesize
3.1MB

Download
memory/2756-23-0x0000000000F10000-0x000000000122B000-memory.dmp

Filesize
3.1MB

Download
memory/2756-22-0x0000000000F11000-0x0000000000F3F000-memory.dmp

Filesize
184KB

Download
memory/2756-24-0x0000000000F10000-0x000000000122B000-memory.dmp

Filesize
3.1MB

Download
memory/2756-25-0x0000000000F10000-0x000000000122B000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads