Malware Analysis Report

2024-11-30 22:05

Sample ID 240704-a2xjwsvdkj
Target file.exe
SHA256 96a32d13cd84073e06f1b0c27c7daf3192bbce58278fbf5c1270bcae4c0eba37
Tags
amadey stealc 4dd39d jony discovery evasion spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

96a32d13cd84073e06f1b0c27c7daf3192bbce58278fbf5c1270bcae4c0eba37

Threat Level: Known bad

The file file.exe was found to be: Known bad.

Malicious Activity Summary

amadey stealc 4dd39d jony discovery evasion spyware stealer trojan

Amadey

Stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Downloads MZ/PE file

Loads dropped DLL

Executes dropped EXE

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Identifies Wine through registry keys

Checks BIOS information in registry

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-04 00:43

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-04 00:43

Reported

2024-07-04 00:45

Platform

win7-20240508-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\file.exe"

Signatures

Amadey

trojan amadey

Stealc

stealer stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A

Downloads MZ/PE file

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\explorti.job C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\file.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\file.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\file.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\1000006001\a5167bf621.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2052 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\SysWOW64\cmd.exe
PID 2052 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\SysWOW64\cmd.exe
PID 2052 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\SysWOW64\cmd.exe
PID 2052 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\SysWOW64\cmd.exe
PID 2052 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\SysWOW64\cmd.exe
PID 2052 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\SysWOW64\cmd.exe
PID 2052 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\SysWOW64\cmd.exe
PID 2052 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\SysWOW64\cmd.exe
PID 2948 wrote to memory of 2712 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe
PID 2948 wrote to memory of 2712 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe
PID 2948 wrote to memory of 2712 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe
PID 2948 wrote to memory of 2712 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe
PID 2712 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
PID 2712 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
PID 2712 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
PID 2712 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
PID 1320 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe C:\Users\Admin\AppData\Local\Temp\1000006001\a5167bf621.exe
PID 1320 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe C:\Users\Admin\AppData\Local\Temp\1000006001\a5167bf621.exe
PID 1320 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe C:\Users\Admin\AppData\Local\Temp\1000006001\a5167bf621.exe
PID 1320 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe C:\Users\Admin\AppData\Local\Temp\1000006001\a5167bf621.exe

Processes

C:\Users\Admin\AppData\Local\Temp\file.exe

"C:\Users\Admin\AppData\Local\Temp\file.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AKFCFBAAEH.exe"

C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe

"C:\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe"

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"

C:\Users\Admin\AppData\Local\Temp\1000006001\a5167bf621.exe

"C:\Users\Admin\AppData\Local\Temp\1000006001\a5167bf621.exe"

Network

Country Destination Domain Proto
RU 85.28.47.4:80 85.28.47.4 tcp
RU 77.91.77.81:80 77.91.77.81 tcp
RU 77.91.77.82:80 77.91.77.82 tcp
RU 77.91.77.81:80 77.91.77.81 tcp
RU 85.28.47.4:80 85.28.47.4 tcp

Files

memory/2052-0-0x0000000000C80000-0x0000000001879000-memory.dmp

memory/2052-1-0x0000000000C80000-0x0000000001879000-memory.dmp

memory/2052-2-0x0000000000C80000-0x0000000001879000-memory.dmp

memory/2052-3-0x0000000061E00000-0x0000000061EF3000-memory.dmp

\ProgramData\nss3.dll

MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

\ProgramData\mozglue.dll

MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

memory/2052-55-0x0000000000C80000-0x0000000001879000-memory.dmp

memory/2052-64-0x0000000000C80000-0x0000000001879000-memory.dmp

memory/2052-67-0x0000000000C80000-0x0000000001879000-memory.dmp

\Users\Admin\AppData\Local\Temp\HIDAKFIJJK.exe

MD5 237d618c4c6714dff8d9c4f7cf39a7ae
SHA1 288cd51ebb40f3e4f7ae8fd38a8c0ee4fe2fe11a
SHA256 30f55b9f45ee962f4184bf944db410a955b116394f5a5a37e5147c5c82fad4d8
SHA512 4ad3ba7e2fa72cb5a6edec44c0baf6604ef62c1ea1970a809c340bdfced606df7cd749cdf1f4e944120786c36b7ffee854136379a5452c01ce1cb2a3ad64b5fb

memory/2948-96-0x0000000002140000-0x0000000002612000-memory.dmp

memory/2712-103-0x0000000000800000-0x0000000000CD2000-memory.dmp

memory/2712-118-0x0000000000800000-0x0000000000CD2000-memory.dmp

memory/1320-119-0x00000000002B0000-0x0000000000782000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\1000006001\a5167bf621.exe

MD5 1323616c7b4228edd3735c144d4632c2
SHA1 34c45567ebdfcfeeb9d950aa527bf3bac2709a41
SHA256 96a32d13cd84073e06f1b0c27c7daf3192bbce58278fbf5c1270bcae4c0eba37
SHA512 d023ba0ec57b3a80fdba972c259b60f4f3779a0d9692317e3e009507b8adf9bb66b63aa09214677dd8294750d7e8d6250722b5687fcca1e9eb7da16718c6a079

memory/1320-141-0x0000000006CF0000-0x00000000078E9000-memory.dmp

memory/1320-143-0x0000000006CF0000-0x00000000078E9000-memory.dmp

memory/2716-142-0x0000000000C50000-0x0000000001849000-memory.dmp

memory/2716-145-0x0000000000C50000-0x0000000001849000-memory.dmp

memory/1320-146-0x00000000002B0000-0x0000000000782000-memory.dmp

memory/1320-147-0x00000000002B0000-0x0000000000782000-memory.dmp

memory/1320-148-0x00000000002B0000-0x0000000000782000-memory.dmp

memory/1320-149-0x0000000006CF0000-0x00000000078E9000-memory.dmp

memory/1320-150-0x00000000002B0000-0x0000000000782000-memory.dmp

memory/1320-151-0x00000000002B0000-0x0000000000782000-memory.dmp

memory/1320-152-0x00000000002B0000-0x0000000000782000-memory.dmp

memory/1320-153-0x00000000002B0000-0x0000000000782000-memory.dmp

memory/1320-154-0x00000000002B0000-0x0000000000782000-memory.dmp

memory/1320-155-0x00000000002B0000-0x0000000000782000-memory.dmp

memory/1320-156-0x00000000002B0000-0x0000000000782000-memory.dmp

memory/1320-157-0x00000000002B0000-0x0000000000782000-memory.dmp

memory/1320-158-0x00000000002B0000-0x0000000000782000-memory.dmp

memory/1320-159-0x00000000002B0000-0x0000000000782000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-04 00:43

Reported

2024-07-04 00:45

Platform

win10v2004-20240508-en

Max time kernel

133s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\file.exe"

Signatures

Stealc

stealer stealc

Checks installed software on the system

discovery

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\file.exe

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\file.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\file.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\file.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\file.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\file.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\file.exe

"C:\Users\Admin\AppData\Local\Temp\file.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4628 -ip 4628

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 1380

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RU 85.28.47.4:80 tcp
RU 85.28.47.4:80 tcp
RU 85.28.47.4:80 tcp
RU 85.28.47.4:80 tcp
RU 85.28.47.4:80 tcp
RU 85.28.47.4:80 tcp

Files

memory/4628-0-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-1-0x000000007F720000-0x000000007FAF1000-memory.dmp

memory/4628-2-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-3-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-4-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-5-0x000000007F720000-0x000000007FAF1000-memory.dmp

memory/4628-6-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-7-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-8-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-9-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-10-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-11-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-12-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-13-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-14-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-15-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-16-0x0000000000130000-0x0000000000D29000-memory.dmp

memory/4628-17-0x0000000000130000-0x0000000000D29000-memory.dmp