amadey | 1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00

General

Target

1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00.exe
Size

3.6MB
MD5

210444e5c9bb7a0e60900251cf3836cd
SHA1

6e63727ad8d97a4314bacf715045a9f845fb1f69
SHA256

1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00
SHA512

ac15b8d15966bdfe038ef7c7c77b9395c542e857c4bee60faed18bc52d2d5503361092aba69d455532ba158dba1eb5a2ed1b50bd696e8c8dd4cab848dd62b367
SSDEEP

49152:ZxUsRjupscg5yDBwRu8s/PJEiUJU3LhmQf6JSiQD81LhHXNof+BkERCWD8X4Vijd:XUsVupscgpJgm0iVj9W+L8WDFV+Moy3o

Score

10^/10

amadey 4dd39d discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes

install_dir
ad40971b6b
install_file
explorti.exe
strings_key
a434973ad22def7137dbb5e059b7081e
url_paths
/Hun4Ko/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 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	古韵外传(合击)2.exe

Checks BIOS information in registry 2 TTPs 2 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	古韵外传(合击)2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	古韵外传(合击)2.exe

Executes dropped EXE 1 IoCs

pid	Process
2620	古韵外传(合击)2.exe

Identifies Wine through registry keys 2 TTPs 1 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-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	古韵外传(合击)2.exe

Loads dropped DLL 1 IoCs

pid	Process
2716	1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2620	古韵外传(合击)2.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorti.job	古韵外传(合击)2.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 2 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	1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	古韵外传(合击)2.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2620	古韵外传(合击)2.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2716	1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00.exe
2620	古韵外传(合击)2.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2716	1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2620	2716	1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00.exe	30
PID 2716 wrote to memory of 2620	2716	1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00.exe	30
PID 2716 wrote to memory of 2620	2716	1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00.exe	30
PID 2716 wrote to memory of 2620	2716	1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00.exe	30

C:\Users\Admin\AppData\Local\Temp\1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00.exe
"C:\Users\Admin\AppData\Local\Temp\1a6bfde328a3fafb86fa74cac8a25393986ac0ab06f3c86e2591ec50a712da00.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Roaming\古韵外传(合击)2.exe
  C:\Users\Admin\AppData\Roaming\古韵外传(合击)2.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
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  PID:2620

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\Roaming\古韵外传(合击)2.exe

Filesize
1.8MB

MD5
b0abfe65f6de9238e3b03b6d5e115706

SHA1
217ab85c40c8b968fd5193eaba20b841bb09e891

SHA256
64d60ef089b79cb8815f8d802b23f5ac7179e02b85bde8f71afb7658221aedeb

SHA512
87b8ca733d9ca2909b022a6b891c84833b240d9d3ab0c5e4af5b8aa099084e462faa7db7f784d89ceb525edde1497fa40b98ee1127429453cf95d2285703718c

Download Submit
memory/2620-10-0x0000000000FC0000-0x0000000001480000-memory.dmp

Filesize
4.8MB

Download
memory/2620-11-0x0000000076EE0000-0x0000000076EE2000-memory.dmp

Filesize
8KB

Download
memory/2620-12-0x0000000000FC1000-0x0000000000FEF000-memory.dmp

Filesize
184KB

Download
memory/2620-13-0x0000000000FC0000-0x0000000001480000-memory.dmp

Filesize
4.8MB

Download
memory/2620-15-0x0000000000FC0000-0x0000000001480000-memory.dmp

Filesize
4.8MB

Download
memory/2620-20-0x0000000000FC0000-0x0000000001480000-memory.dmp

Filesize
4.8MB

Download
memory/2716-9-0x00000000046E0000-0x0000000004BA0000-memory.dmp

Filesize
4.8MB

Download
memory/2716-21-0x00000000046E0000-0x0000000004BA0000-memory.dmp

Filesize
4.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads