Malware Analysis Report

2025-08-05 10:49

Sample ID 241017-celvzszdkk
Target d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da
SHA256 d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da
Tags
gh0strat bootkit discovery persistence rat
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

d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da

Threat Level: Known bad

The file d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da was found to be: Known bad.

Malicious Activity Summary

gh0strat bootkit discovery persistence rat

Gh0st RAT payload

Gh0strat

Loads dropped DLL

Executes dropped EXE

Deletes itself

Writes to the Master Boot Record (MBR)

Drops file in System32 directory

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-17 01:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-17 01:59

Reported

2024-10-17 02:01

Platform

win7-20240708-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da.exe"

Signatures

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Deletes itself

Description Indicator Process Target
N/A N/A \??\c:\users\admin\appdata\local\dmlfgtvnni N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A \??\c:\users\admin\appdata\local\dmlfgtvnni N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\svchost.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\xymjqmnjfg C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\SysWOW64\xhbcypqgrc C:\Windows\SysWOW64\svchost.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language \??\c:\users\admin\appdata\local\dmlfgtvnni N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\svchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\SysWOW64\svchost.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie C:\Windows\SysWOW64\svchost.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A \??\c:\users\admin\appdata\local\dmlfgtvnni N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A \??\c:\users\admin\appdata\local\dmlfgtvnni N/A
Token: SeBackupPrivilege N/A \??\c:\users\admin\appdata\local\dmlfgtvnni N/A
Token: SeBackupPrivilege N/A \??\c:\users\admin\appdata\local\dmlfgtvnni N/A
Token: SeRestorePrivilege N/A \??\c:\users\admin\appdata\local\dmlfgtvnni N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da.exe

"C:\Users\Admin\AppData\Local\Temp\d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da.exe"

\??\c:\users\admin\appdata\local\dmlfgtvnni

"C:\Users\Admin\AppData\Local\Temp\d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da.exe" a -sc:\users\admin\appdata\local\temp\d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da.exe

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k netsvcs

Network

Country Destination Domain Proto
US 8.8.8.8:53 bibo9.8800.org udp
US 8.8.8.8:53 conf.f.360.cn udp
US 8.7.198.46:889 bibo9.8800.org tcp
US 8.8.8.8:53 bibo9.8800.org udp
US 8.7.198.46:889 bibo9.8800.org tcp

Files

memory/2024-2-0x0000000000030000-0x0000000000031000-memory.dmp

memory/2024-1-0x0000000000400000-0x000000000044E2D4-memory.dmp

\Users\Admin\AppData\Local\dmlfgtvnni

MD5 97b96987701e9a9ee570d9c516dccc45
SHA1 46d3e94b2f0cba3dd0593865605f93ae85e58c97
SHA256 77a35e30f6dfefd9b72d182343bc970d8247dd23f1c8ea964f077cb766b03e39
SHA512 03ac1840abd8c333aca6493957760b17839ea933422240d74fc5acdc3394aee4e586e627d6158585c49cff805c88e23da6f0d67bc9b70e8166cbf8c00d9fd14a

memory/1996-16-0x0000000000030000-0x0000000000031000-memory.dmp

memory/1996-15-0x0000000000400000-0x000000000044E2D4-memory.dmp

memory/2024-12-0x0000000000290000-0x00000000002DF000-memory.dmp

memory/2024-11-0x0000000000400000-0x000000000044E2D4-memory.dmp

\??\c:\programdata\application data\storm\update\%sessionname%\mhpxg.cc3

MD5 b94bbc4be04f1363ebdbc3ab1dedcd76
SHA1 70865923f59072870144fb15c59bf7314c0e53b0
SHA256 3e8e9926caa48b1e7905806cee79d12b8906631747905c4c6a5d40a36e61cddb
SHA512 b48ed376f4608e4c1356049d0922ca7ff3637096d7ae50f8c35080822b53331c0b21d118406f9e5dd028ddcf97172911c79e2e9483696925a188c6d818cc614f

memory/1996-21-0x0000000000400000-0x000000000044E2D4-memory.dmp

memory/2792-22-0x00000000002F0000-0x00000000002F1000-memory.dmp

memory/2792-24-0x0000000020000000-0x0000000020027000-memory.dmp

memory/2792-26-0x0000000020000000-0x0000000020027000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-17 01:59

Reported

2024-10-17 02:01

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da.exe"

Signatures

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Deletes itself

Description Indicator Process Target
N/A N/A \??\c:\users\admin\appdata\local\jbponnmwwg N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A \??\c:\users\admin\appdata\local\jbponnmwwg N/A

Loads dropped DLL

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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\xqougssefw C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\svchost.exe.txt C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\SysWOW64\xydoovucrr C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\svchost.exe.txt C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\SysWOW64\xhrhwyxafn C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\svchost.exe.txt C:\Windows\SysWOW64\svchost.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language \??\c:\users\admin\appdata\local\jbponnmwwg N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A \??\c:\users\admin\appdata\local\jbponnmwwg N/A
N/A N/A \??\c:\users\admin\appdata\local\jbponnmwwg N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A \??\c:\users\admin\appdata\local\jbponnmwwg N/A
Token: SeBackupPrivilege N/A \??\c:\users\admin\appdata\local\jbponnmwwg N/A
Token: SeBackupPrivilege N/A \??\c:\users\admin\appdata\local\jbponnmwwg N/A
Token: SeRestorePrivilege N/A \??\c:\users\admin\appdata\local\jbponnmwwg N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da.exe

"C:\Users\Admin\AppData\Local\Temp\d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da.exe"

\??\c:\users\admin\appdata\local\jbponnmwwg

"C:\Users\Admin\AppData\Local\Temp\d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da.exe" a -sc:\users\admin\appdata\local\temp\d8cdfaa3df200a38488e37eb608e4dc91931c16409f14a28b842a21ec9fa15da.exe

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1792 -ip 1792

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 1104

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4852 -ip 4852

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 712

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 5012 -ip 5012

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 840

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 conf.f.360.cn udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/1360-0-0x0000000000400000-0x000000000044E2D4-memory.dmp

memory/1360-2-0x00000000001D0000-0x00000000001D1000-memory.dmp

C:\Users\Admin\AppData\Local\jbponnmwwg

MD5 a3a4cca0633bcd32b64dc901e15acfa1
SHA1 6dacc7d37a799c6866de3979e2624f4fd8019435
SHA256 1b33b68f66da95aa654499c06526bfbc9c5676e0c728f80e63d7eb6e1bdec6a2
SHA512 6b6be844ca55bf15c7e8ac54845bea1af637b77c39e538a6d61e5dac699ff987f5d3946ec8fc0d7b54e3405aaf6b75aab1c659828fa97fc2e9e541cbb9dd02b3

memory/1360-7-0x0000000000400000-0x000000000044E2D4-memory.dmp

memory/4544-8-0x0000000000400000-0x000000000044E2D4-memory.dmp

memory/4544-11-0x00000000001D0000-0x00000000001D1000-memory.dmp

\??\c:\programdata\application data\storm\update\%sessionname%\tdspl.cc3

MD5 7d140cbfb4e3560dc0cf2e3942b4496c
SHA1 69d96359a90b4969992c1c9627e2310971945e35
SHA256 12b11d170529895116f6b9df3310c2e57768985691f557b2433e9159117f057e
SHA512 31fcb21cdbaf39f6a1ae64504b779d3ad5a94e5c9279648aad79a2d4c04dd3ad67f7fe148d0e6d511a7b86335436cea51557d65c6bdd86f45132c4d53049b379

memory/4544-16-0x0000000000400000-0x000000000044E2D4-memory.dmp

memory/1792-17-0x00000000013C0000-0x00000000013C1000-memory.dmp

memory/1792-19-0x0000000020000000-0x0000000020027000-memory.dmp

memory/4852-21-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

C:\Windows\SysWOW64\svchost.exe.txt

MD5 7f06803077c5e2b3179782c5b7e0d909
SHA1 44942428883c1e39925973e58e13a88d06967e39
SHA256 a6ad0870e1208bbfb8d5de0799147a2675e9b3547335e30c4b46f808cf617959
SHA512 2a31ea66bccbf5a6f1f3656844dafe9c27dd030e80ec2d32e4e65cf7e97386cb2311ab56ccfe4777a0e4fee8f8bbbac1d1c0161ea4b6dd3cd08a2bacd7b377bb

memory/4852-24-0x0000000020000000-0x0000000020027000-memory.dmp

memory/5012-26-0x0000000001890000-0x0000000001891000-memory.dmp

C:\Windows\SysWOW64\svchost.exe.txt

MD5 cb1e5bc3923f7bf8dac79a4a99db7ecb
SHA1 4965e83e7541bbc2a8123b2456c1cc56b27b9f6e
SHA256 9a1aa771cd016ee97deacc5ad10b8ceec1e3c41bc57d9d0c1a879c44efc130c3
SHA512 d2228695b8557caf50d8560abad2e86140f76d4d791b3575c0b3856482ba05973c4f05e65ac91ef0b435eb3064f32fc979550d419d10c944915df9d498f3db31

memory/5012-29-0x0000000020000000-0x0000000020027000-memory.dmp