Malware Analysis Report

2025-08-05 23:54

Sample ID 241230-tdwr8s1ph1
Target 1bf39843cd7e540935076550b226541afe97d57f34cb6265e69df95dc18d32df
SHA256 1bf39843cd7e540935076550b226541afe97d57f34cb6265e69df95dc18d32df
Tags
gh0strat purplefox discovery rat rootkit trojan upx blackmoon banker
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1bf39843cd7e540935076550b226541afe97d57f34cb6265e69df95dc18d32df

Threat Level: Known bad

The file 1bf39843cd7e540935076550b226541afe97d57f34cb6265e69df95dc18d32df was found to be: Known bad.

Malicious Activity Summary

gh0strat purplefox discovery rat rootkit trojan upx blackmoon banker

Blackmoon family

Blackmoon, KrBanker

Detect Blackmoon payload

Detect PurpleFox Rootkit

Gh0strat

Gh0strat family

PurpleFox

Purplefox family

Gh0st RAT payload

ACProtect 1.3x - 1.4x DLL software

Executes dropped EXE

Suspicious use of SetThreadContext

UPX packed file

Drops file in Program Files directory

Unsigned PE

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-30 15:57

Signatures

ACProtect 1.3x - 1.4x DLL software

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

UPX packed file

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-30 15:57

Reported

2024-12-30 15:59

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bf39843cd7e540935076550b226541afe97d57f34cb6265e69df95dc18d32df.dll,#1

Signatures

Detect PurpleFox Rootkit

rootkit
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

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

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

PurpleFox

rootkit trojan purplefox

Purplefox family

purplefox

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\NetMeeting\svchost.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 224 set thread context of 2696 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

UPX packed file

upx
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
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
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Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\NetMeeting\svchost.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Program Files (x86)\NetMeeting\svchost.exe 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\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 808 wrote to memory of 224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 808 wrote to memory of 224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 808 wrote to memory of 224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 224 wrote to memory of 2696 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 224 wrote to memory of 2696 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 224 wrote to memory of 2696 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 224 wrote to memory of 2696 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 224 wrote to memory of 2696 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 224 wrote to memory of 2696 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 224 wrote to memory of 2696 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 224 wrote to memory of 2696 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2696 wrote to memory of 1788 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2696 wrote to memory of 1788 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2696 wrote to memory of 1788 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 1788 wrote to memory of 4212 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1788 wrote to memory of 4212 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1788 wrote to memory of 4212 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bf39843cd7e540935076550b226541afe97d57f34cb6265e69df95dc18d32df.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bf39843cd7e540935076550b226541afe97d57f34cb6265e69df95dc18d32df.dll,#1

C:\Windows\SysWOW64\svchost.exe

svchost.exe fagahawhawhgawccc

C:\Program Files (x86)\NetMeeting\svchost.exe

"C:\Program Files (x86)\NetMeeting\svchost.exe" -auto

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Windows\SysWOW64\svchost.exe > nul

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/224-0-0x0000000010000000-0x00000000100FE000-memory.dmp

memory/2696-1-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2696-3-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2696-10-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2696-12-0x0000000075B50000-0x0000000075C40000-memory.dmp

memory/2696-11-0x0000000075B73000-0x0000000075B74000-memory.dmp

memory/2696-7-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2696-2-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2696-9-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2696-8-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2696-6-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2696-15-0x0000000075B50000-0x0000000075C40000-memory.dmp

memory/2696-16-0x0000000075B50000-0x0000000075C40000-memory.dmp

memory/2696-14-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2696-13-0x0000000010000000-0x00000000101A0000-memory.dmp

memory/2696-17-0x0000000010000000-0x00000000101A0000-memory.dmp

C:\Program Files (x86)\NetMeeting\svchost.exe

MD5 b7c999040d80e5bf87886d70d992c51e
SHA1 a8ed9a51cc14ccf99b670e60ebbc110756504929
SHA256 5c3257b277f160109071e7e716040e67657341d8c42aa68d9afafe1630fcc53e
SHA512 71ba2fbd705e51b488afe3bb33a67212cf297e97e8b1b20ada33e16956f7ec8f89a79e04a4b256fd61a442fada690aff0c807c2bdcc9165a9c7be3de725de309

memory/2696-25-0x0000000075B50000-0x0000000075C40000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-30 15:57

Reported

2024-12-30 15:59

Platform

win7-20241023-en

Max time kernel

117s

Max time network

117s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bf39843cd7e540935076550b226541afe97d57f34cb6265e69df95dc18d32df.dll,#1

Signatures

Blackmoon family

blackmoon

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

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

Detect PurpleFox Rootkit

rootkit
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

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

Gh0strat family

gh0strat

PurpleFox

rootkit trojan purplefox

Purplefox family

purplefox

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\NetMeeting\svchost.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2600 set thread context of 2648 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

UPX packed file

upx
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
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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
N/A N/A N/A N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\NetMeeting\svchost.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Program Files (x86)\NetMeeting\svchost.exe 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\rundll32.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\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2416 wrote to memory of 2600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2600 wrote to memory of 2648 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2600 wrote to memory of 2648 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2600 wrote to memory of 2648 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2600 wrote to memory of 2648 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2600 wrote to memory of 2648 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2600 wrote to memory of 2648 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2600 wrote to memory of 2648 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2600 wrote to memory of 2648 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2648 wrote to memory of 2808 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2648 wrote to memory of 2808 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2648 wrote to memory of 2808 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2648 wrote to memory of 2808 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmd.exe
PID 2808 wrote to memory of 2928 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2808 wrote to memory of 2928 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2808 wrote to memory of 2928 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2808 wrote to memory of 2928 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bf39843cd7e540935076550b226541afe97d57f34cb6265e69df95dc18d32df.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bf39843cd7e540935076550b226541afe97d57f34cb6265e69df95dc18d32df.dll,#1

C:\Windows\SysWOW64\svchost.exe

svchost.exe fagahawhawhgawccc

C:\Program Files (x86)\NetMeeting\svchost.exe

"C:\Program Files (x86)\NetMeeting\svchost.exe" -auto

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Windows\SysWOW64\svchost.exe > nul

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

Network

N/A

Files

memory/2600-3-0x0000000010000000-0x00000000100FE000-memory.dmp

memory/2600-2-0x0000000010000000-0x00000000100FE000-memory.dmp

memory/2600-1-0x0000000010000000-0x00000000100FE000-memory.dmp

memory/2600-0-0x0000000010000000-0x00000000100FE000-memory.dmp

memory/2648-4-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2600-21-0x0000000010000000-0x00000000100FE000-memory.dmp

memory/2648-23-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2648-22-0x0000000010000000-0x00000000101A0000-memory.dmp

memory/2600-20-0x0000000010006000-0x0000000010007000-memory.dmp

memory/2648-19-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2648-18-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2648-17-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2648-16-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2648-15-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2648-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2648-10-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2648-24-0x0000000010000000-0x00000000101A0000-memory.dmp

memory/2648-8-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2648-6-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2648-32-0x000000007573E000-0x000000007573F000-memory.dmp

memory/2648-31-0x0000000000400000-0x0000000000543000-memory.dmp

memory/2648-33-0x0000000075710000-0x0000000075820000-memory.dmp

C:\Program Files (x86)\NetMeeting\svchost.exe

MD5 54a47f6b5e09a77e61649109c6a08866
SHA1 4af001b3c3816b860660cf2de2c0fd3c1dfb4878
SHA256 121118a0f5e0e8c933efd28c9901e54e42792619a8a3a6d11e1f0025a7324bc2
SHA512 88ee0ef5af1b0b38c19ab4c307636352fc403ea74f3bfb17e246f7fd815ac042183086133cd9fe805bd47e15854776871bb7d384e419862c91503eeb82bfb419

memory/2648-35-0x0000000075710000-0x0000000075820000-memory.dmp

memory/2600-36-0x0000000010000000-0x00000000100FE000-memory.dmp