amadey | 9994b9e197b422529221de7238dc0e44ae21e66d78c48355f31837c3696ec90e

Analysis

max time kernel
142s
max time network
127s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 05:30

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General

Target

6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe
Size

3.1MB
MD5

e69c275c15ba40b8f4dbdb3923276d5c
SHA1

2ec2666dad3e02f3a81d04410ade3d7ad662e148
SHA256

6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f
SHA512

57f4a9b2963a58c8cbb1331ec5c9f098ac6693aa57f4d3913a6acb117eaa0eba87a10c24c3ae9f4e4ea920bbd27c647cea2978f87f1f1f0e0151bef7dd2904bc
SSDEEP

49152:7f53MTZJ+ALI2bOEzlf3Qt3R5Ylj6q277olNIw8AiPV+:rtMTZJDLI2bOEzlf3AXZjol+jb

Score

10^/10

amadey 9c9aa5 discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

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__	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.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\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

pid	Process
2884	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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

pid	Process
2688	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2688	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe
2884	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.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	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2688	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe
2884	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2688	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2884	2688	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe	30
PID 2688 wrote to memory of 2884	2688	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe	30
PID 2688 wrote to memory of 2884	2688	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe	30
PID 2688 wrote to memory of 2884	2688	6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe	30

C:\Users\Admin\AppData\Local\Temp\6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.exe
"C:\Users\Admin\AppData\Local\Temp\6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f.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:2688
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3.1MB

MD5
e69c275c15ba40b8f4dbdb3923276d5c

SHA1
2ec2666dad3e02f3a81d04410ade3d7ad662e148

SHA256
6a910528454646f73cbab1b93c854a0322111c61063711e49257ff9f6317d13f

SHA512
57f4a9b2963a58c8cbb1331ec5c9f098ac6693aa57f4d3913a6acb117eaa0eba87a10c24c3ae9f4e4ea920bbd27c647cea2978f87f1f1f0e0151bef7dd2904bc

Download Submit
memory/2688-12-0x0000000006990000-0x0000000006CB4000-memory.dmp

Filesize
3.1MB

Download
memory/2688-1-0x0000000000F80000-0x00000000012A4000-memory.dmp

Filesize
3.1MB

Download
memory/2688-2-0x0000000000F80000-0x00000000012A4000-memory.dmp

Filesize
3.1MB

Download
memory/2688-4-0x0000000000F80000-0x00000000012A4000-memory.dmp

Filesize
3.1MB

Download
memory/2688-15-0x0000000000F80000-0x00000000012A4000-memory.dmp

Filesize
3.1MB

Download
memory/2688-0-0x0000000000F80000-0x00000000012A4000-memory.dmp

Filesize
3.1MB

Download
memory/2884-25-0x00000000002F1000-0x0000000000359000-memory.dmp

Filesize
416KB

Download
memory/2884-28-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-18-0x00000000002F1000-0x0000000000359000-memory.dmp

Filesize
416KB

Download
memory/2884-19-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-21-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-22-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-23-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-16-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-24-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-26-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-27-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-17-0x0000000076FE0000-0x0000000076FE2000-memory.dmp

Filesize
8KB

Download
memory/2884-29-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-30-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-31-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-32-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-33-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-34-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-35-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-36-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-37-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-38-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download
memory/2884-39-0x00000000002F0000-0x0000000000614000-memory.dmp

Filesize
3.1MB

Download