Malware Analysis Report

2025-03-15 06:39

Sample ID 240531-bzcx5sbc93
Target c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe
SHA256 c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c
Tags
gh0strat rat upx
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

c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c

Threat Level: Known bad

The file c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe was found to be: Known bad.

Malicious Activity Summary

gh0strat rat upx

Gh0strat

Gh0st RAT payload

UPX dump on OEP (original entry point)

Detects Windows executables referencing non-Windows User-Agents

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

UPX packed file

Drops file in Program Files directory

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-31 01:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 01:34

Reported

2024-05-31 01:37

Platform

win7-20240221-en

Max time kernel

145s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.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
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N/A N/A N/A N/A

Gh0strat

rat gh0strat

Detects Windows executables referencing non-Windows User-Agents

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

UPX dump on OEP (original entry point)

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\csrss.exe N/A
N/A N/A C:\Users\csrss.exe N/A

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

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Users\csrss.exe N/A
File opened for modification C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Users\csrss.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2 C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\csrss.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2120 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe C:\Users\csrss.exe
PID 2120 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe C:\Users\csrss.exe
PID 2120 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe C:\Users\csrss.exe
PID 2120 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe C:\Users\csrss.exe
PID 2628 wrote to memory of 2500 N/A C:\Users\csrss.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 2628 wrote to memory of 2500 N/A C:\Users\csrss.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 2628 wrote to memory of 2500 N/A C:\Users\csrss.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 2628 wrote to memory of 2500 N/A C:\Users\csrss.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 2476 wrote to memory of 1660 N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 2476 wrote to memory of 1660 N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 2476 wrote to memory of 1660 N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 2476 wrote to memory of 1660 N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe

"C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe"

C:\Users\csrss.exe

"C:\Users\csrss.exe"

C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe

"C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"

C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe

"C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"

C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe

"C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.exiles.site udp
HK 154.201.74.240:9090 www.exiles.site tcp
HK 154.201.74.240:9090 www.exiles.site tcp
HK 154.201.74.240:9090 www.exiles.site tcp
HK 154.201.74.240:9090 www.exiles.site tcp

Files

memory/2628-14-0x0000000000290000-0x0000000000390000-memory.dmp

memory/2628-15-0x0000000001FE0000-0x0000000002041000-memory.dmp

memory/2628-16-0x0000000000400000-0x0000000000461000-memory.dmp

memory/2628-18-0x0000000010000000-0x0000000010362000-memory.dmp

memory/2628-21-0x0000000010000000-0x0000000010362000-memory.dmp

memory/2628-20-0x0000000010000000-0x0000000010362000-memory.dmp

memory/2628-22-0x0000000000400000-0x0000000000863000-memory.dmp

memory/2628-35-0x0000000000400000-0x0000000000863000-memory.dmp

memory/2628-33-0x0000000000400000-0x0000000000461000-memory.dmp

memory/2500-37-0x0000000010000000-0x0000000010362000-memory.dmp

memory/2500-41-0x0000000010000000-0x0000000010362000-memory.dmp

memory/2500-42-0x0000000000400000-0x0000000000863000-memory.dmp

memory/2500-40-0x0000000010000000-0x0000000010362000-memory.dmp

memory/2500-43-0x0000000000400000-0x0000000000863000-memory.dmp

memory/2500-53-0x0000000000400000-0x0000000000863000-memory.dmp

memory/2476-55-0x0000000000400000-0x0000000000863000-memory.dmp

memory/1660-62-0x0000000010000000-0x0000000010362000-memory.dmp

memory/1660-63-0x0000000010000000-0x0000000010362000-memory.dmp

memory/1660-64-0x0000000000400000-0x0000000000863000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 01:34

Reported

2024-05-31 01:37

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.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
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Detects Windows executables referencing non-Windows User-Agents

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

UPX dump on OEP (original entry point)

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation C:\Users\csrss.exe N/A

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

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Users\csrss.exe N/A
File opened for modification C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Users\csrss.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2 C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\csrss.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2748 wrote to memory of 724 N/A C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe C:\Users\csrss.exe
PID 2748 wrote to memory of 724 N/A C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe C:\Users\csrss.exe
PID 2748 wrote to memory of 724 N/A C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe C:\Users\csrss.exe
PID 724 wrote to memory of 1676 N/A C:\Users\csrss.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 724 wrote to memory of 1676 N/A C:\Users\csrss.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 724 wrote to memory of 1676 N/A C:\Users\csrss.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 3344 wrote to memory of 3844 N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 3344 wrote to memory of 3844 N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 3344 wrote to memory of 3844 N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 3344 wrote to memory of 5080 N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 3344 wrote to memory of 5080 N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
PID 3344 wrote to memory of 5080 N/A C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe

"C:\Users\Admin\AppData\Local\Temp\c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c.exe"

C:\Users\csrss.exe

"C:\Users\csrss.exe"

C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe

"C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 724 -ip 724

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 724 -s 1128

C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe

"C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1676 -ip 1676

C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe

"C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"

C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe

"C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3344 -ip 3344

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 580

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3344 -s 568

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5080 -ip 5080

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 552

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 www.exiles.site udp
HK 154.201.74.240:9090 www.exiles.site tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
HK 154.201.74.240:9090 www.exiles.site tcp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
HK 154.201.74.240:9090 www.exiles.site tcp
HK 154.201.74.240:9090 www.exiles.site tcp
US 8.8.8.8:53 235.17.178.52.in-addr.arpa udp

Files

memory/724-13-0x0000000000C00000-0x0000000000E00000-memory.dmp

memory/724-15-0x0000000000400000-0x0000000000461000-memory.dmp

memory/724-14-0x0000000002A00000-0x0000000002A61000-memory.dmp

memory/724-16-0x0000000010000000-0x0000000010362000-memory.dmp

memory/724-20-0x0000000010000000-0x0000000010362000-memory.dmp

memory/724-19-0x0000000010000000-0x0000000010362000-memory.dmp

memory/724-21-0x0000000000400000-0x0000000000863000-memory.dmp

memory/3344-44-0x0000000010000000-0x0000000010362000-memory.dmp

memory/3344-41-0x0000000010000000-0x0000000010362000-memory.dmp

memory/3344-45-0x0000000010000000-0x0000000010362000-memory.dmp

memory/724-47-0x0000000000400000-0x0000000000461000-memory.dmp

memory/724-46-0x0000000000400000-0x0000000000863000-memory.dmp

memory/1676-62-0x0000000000400000-0x0000000000863000-memory.dmp

memory/3344-63-0x0000000000400000-0x0000000000863000-memory.dmp

memory/3844-64-0x0000000010000000-0x0000000010362000-memory.dmp

memory/3844-65-0x0000000010000000-0x0000000010362000-memory.dmp

memory/5080-66-0x0000000000400000-0x0000000000863000-memory.dmp

memory/3844-67-0x0000000000400000-0x0000000000863000-memory.dmp