Malware Analysis Report

2025-08-05 13:32

Sample ID 220117-m342kshfe3
Target 7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624
SHA256 7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624
Tags
arkei homesteadr discovery spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624

Threat Level: Known bad

The file 7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624 was found to be: Known bad.

Malicious Activity Summary

arkei homesteadr discovery spyware stealer

Arkei

Suspicious use of NtCreateProcessExOtherParentProcess

Arkei Stealer Payload

Downloads MZ/PE file

Checks computer location settings

Loads dropped DLL

Reads user/profile data of web browsers

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Enumerates physical storage devices

Program crash

Checks processor information in registry

Delays execution with timeout.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-01-17 11:00

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-01-17 11:00

Reported

2022-01-17 11:02

Platform

win10v2004-en-20220112

Max time kernel

4265058s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe"

Signatures

Arkei

stealer arkei

Suspicious use of NtCreateProcessExOtherParentProcess

Description Indicator Process Target
PID 3580 created 2712 N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe

Arkei Stealer Payload

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

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe N/A

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\SysWOW64\WerFault.exe N/A
Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\system32\MusNotification.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\system32\MusNotification.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Windows\SysWOW64\WerFault.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\SysWOW64\WerFault.exe N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Windows\SysWOW64\WerFault.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Windows\SysWOW64\WerFault.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe N/A
N/A N/A C:\Windows\SysWOW64\WerFault.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\system32\MusNotification.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\MusNotification.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe

"C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe"

C:\Windows\system32\MusNotification.exe

C:\Windows\system32\MusNotification.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7adc964978fc6d07051540dce92572970ce1564f239bbefcdf823ae6b00d8624.exe" & exit

C:\Windows\SysWOW64\timeout.exe

timeout /t 5

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2712 -ip 2712

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 1412

Network

Country Destination Domain Proto
US 8.8.8.8:53 arc.msn.com udp
US 52.184.215.140:443 arc.msn.com tcp
US 8.8.8.8:53 time.windows.com udp
US 8.8.8.8:53 slscr.update.microsoft.com udp
US 52.242.101.226:443 slscr.update.microsoft.com tcp
US 8.8.8.8:53 fe3cr.delivery.mp.microsoft.com udp
US 8.8.8.8:53 fe3cr.delivery.mp.microsoft.com udp
IE 20.54.89.15:443 fe3cr.delivery.mp.microsoft.com tcp
US 8.8.8.8:53 slscr.update.microsoft.com udp
US 52.242.101.226:443 slscr.update.microsoft.com tcp
NL 40.119.148.38:123 time.windows.com udp
US 52.242.101.226:443 slscr.update.microsoft.com tcp
US 8.8.8.8:53 ris.api.iris.microsoft.com udp
US 52.252.42.28:443 ris.api.iris.microsoft.com tcp
US 8.8.8.8:53 img-prod-cms-rt-microsoft-com.akamaized.net udp
FR 2.22.147.40:443 img-prod-cms-rt-microsoft-com.akamaized.net tcp
US 8.8.8.8:53 homesteadr.link udp
US 47.251.43.193:80 homesteadr.link tcp
US 47.251.43.193:80 homesteadr.link tcp
US 47.251.43.193:80 homesteadr.link tcp
US 47.251.43.193:80 homesteadr.link tcp
US 47.251.43.193:80 homesteadr.link tcp
US 47.251.43.193:80 homesteadr.link tcp
US 47.251.43.193:80 homesteadr.link tcp
US 47.251.43.193:80 homesteadr.link tcp
US 47.251.43.193:80 homesteadr.link tcp

Files

memory/2712-130-0x00000000007F8000-0x0000000000809000-memory.dmp

memory/2712-132-0x0000000000400000-0x00000000005DC000-memory.dmp

memory/2712-131-0x0000000000780000-0x000000000079C000-memory.dmp

C:\ProgramData\sqlite3.dll

MD5 e477a96c8f2b18d6b5c27bde49c990bf
SHA1 e980c9bf41330d1e5bd04556db4646a0210f7409
SHA256 16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660
SHA512 335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

C:\ProgramData\nss3.dll

MD5 bfac4e3c5908856ba17d41edcd455a51
SHA1 8eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256 e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA512 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

C:\ProgramData\mozglue.dll

MD5 8f73c08a9660691143661bf7332c3c27
SHA1 37fa65dd737c50fda710fdbde89e51374d0c204a
SHA256 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA512 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

memory/1288-136-0x0000000000000000-mapping.dmp

memory/3556-137-0x0000000000000000-mapping.dmp