Malware Analysis Report

2024-11-30 22:06

Sample ID 240703-xqvx9averh
Target bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13
SHA256 bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13
Tags
stealc jony discovery stealer amadey 4dd39d evasion spyware 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

bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13

Threat Level: Known bad

The file bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13 was found to be: Known bad.

Malicious Activity Summary

stealc jony discovery stealer amadey 4dd39d evasion spyware trojan

Stealc

Amadey

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

Downloads MZ/PE file

Checks BIOS information in registry

Loads dropped DLL

Reads data files stored by FTP clients

Identifies Wine through registry keys

Reads user/profile data of web browsers

Executes dropped EXE

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-03 19:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-03 19:03

Reported

2024-07-03 19:06

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe"

Signatures

Stealc

stealer stealc

Checks installed software on the system

discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe

"C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4864 -ip 4864

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 1404

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/4864-0-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-1-0x000000007F490000-0x000000007F861000-memory.dmp

memory/4864-2-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-3-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-4-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-5-0x000000007F490000-0x000000007F861000-memory.dmp

memory/4864-6-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-7-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-8-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-9-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-10-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-11-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-12-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-13-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-14-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-15-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-16-0x0000000000880000-0x000000000145F000-memory.dmp

memory/4864-17-0x0000000000880000-0x000000000145F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-03 19:03

Reported

2024-07-03 19:06

Platform

win11-20240611-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.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\BKKKEGIDBG.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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\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
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
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
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\BKKKEGIDBG.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\BKKKEGIDBG.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\BKKKEGIDBG.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\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\BKKKEGIDBG.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\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4460 wrote to memory of 1000 N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe C:\Windows\SysWOW64\cmd.exe
PID 4460 wrote to memory of 1000 N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe C:\Windows\SysWOW64\cmd.exe
PID 4460 wrote to memory of 1000 N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe C:\Windows\SysWOW64\cmd.exe
PID 4460 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe C:\Windows\SysWOW64\cmd.exe
PID 4460 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe C:\Windows\SysWOW64\cmd.exe
PID 4460 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe C:\Windows\SysWOW64\cmd.exe
PID 1000 wrote to memory of 1432 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\BKKKEGIDBG.exe
PID 1000 wrote to memory of 1432 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\BKKKEGIDBG.exe
PID 1000 wrote to memory of 1432 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\BKKKEGIDBG.exe
PID 1432 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\BKKKEGIDBG.exe C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
PID 1432 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\BKKKEGIDBG.exe C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
PID 1432 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\BKKKEGIDBG.exe C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
PID 1384 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe C:\Users\Admin\AppData\Local\Temp\1000006001\f68583d236.exe
PID 1384 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe C:\Users\Admin\AppData\Local\Temp\1000006001\f68583d236.exe
PID 1384 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe C:\Users\Admin\AppData\Local\Temp\1000006001\f68583d236.exe

Processes

C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe

"C:\Users\Admin\AppData\Local\Temp\bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13.exe"

C:\Windows\SysWOW64\cmd.exe

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

C:\Windows\SysWOW64\cmd.exe

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

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

"C:\Users\Admin\AppData\Local\Temp\BKKKEGIDBG.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\f68583d236.exe

"C:\Users\Admin\AppData\Local\Temp\1000006001\f68583d236.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\ad40971b6b\explorti.exe

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

Network

Country Destination Domain Proto
RU 85.28.47.4:80 85.28.47.4 tcp
US 8.8.8.8:53 4.47.28.85.in-addr.arpa udp
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
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp

Files

memory/4460-0-0x0000000000510000-0x00000000010EF000-memory.dmp

memory/4460-1-0x000000007EAD0000-0x000000007EEA1000-memory.dmp

memory/4460-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

C:\ProgramData\nss3.dll

MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

C:\ProgramData\mozglue.dll

MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

memory/4460-76-0x0000000000510000-0x00000000010EF000-memory.dmp

memory/4460-77-0x000000007EAD0000-0x000000007EEA1000-memory.dmp

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

MD5 5e33887744d5344a28c8d5f16702af26
SHA1 75a1791a1819ebaa602202a82e8e969081cee2e4
SHA256 c07406805d442d5d9cdf4b80f9568d8b0e16652292e3c7a0eb0487dc0ede8721
SHA512 de95b45ab2cdf2090f18065bfadb72b9d581eb2c59045b02127329d31364ca8de63371f34dc0c5f6dab00f36c2ebb213de5225a3d63e4535bc9b397d522554ab

memory/1432-81-0x00000000007A0000-0x0000000000C46000-memory.dmp

memory/1432-92-0x00000000007A0000-0x0000000000C46000-memory.dmp

memory/1384-94-0x0000000000040000-0x00000000004E6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\1000006001\f68583d236.exe

MD5 05dda1c444fe4feda4771f75598d55d7
SHA1 3369deefd76ea12c621aad635547be857720d7d8
SHA256 9a501e3c19a488ab6672598e26af59a019c471aaf67adcd1dba4734d7a2b9e48
SHA512 01c7897fa5995332c466035f62e45faf12ff0cead90655df53c0b493833656c177b53594a0d8300c792fc43d2f6daa577e3f949f6e9118c950472d1a85ac6160

memory/4176-110-0x0000000000640000-0x000000000123B000-memory.dmp

memory/4176-111-0x0000000000640000-0x000000000123B000-memory.dmp

memory/1384-112-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/1384-113-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/1384-114-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/1384-115-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/2760-117-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/2760-118-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/1384-119-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/1384-120-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/1384-121-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/1384-122-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/1384-123-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/1384-124-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/3036-126-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/3036-127-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/1384-128-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/1384-129-0x0000000000040000-0x00000000004E6000-memory.dmp

memory/1384-130-0x0000000000040000-0x00000000004E6000-memory.dmp