Malware Analysis Report

2024-09-11 08:40

Sample ID 240613-rr4nwssfkd
Target 04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe
SHA256 04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1
Tags
gh0strat rat upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1

Threat Level: Known bad

The file 04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe was found to be: Known bad.

Malicious Activity Summary

gh0strat rat upx

Gh0st RAT payload

Gh0strat

Executes dropped EXE

Deletes itself

Loads dropped DLL

UPX packed file

Drops file in Program Files directory

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-13 14:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 14:26

Reported

2024-06-13 14:29

Platform

win7-20240611-en

Max time kernel

133s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe"

Signatures

Gh0st RAT payload

Description Indicator Process Target
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Gh0strat

rat gh0strat

Deletes itself

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe N/A
N/A N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe N/A
N/A N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe N/A
N/A N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe N/A
N/A N/A C:\Windows\SysWOW64\WerFault.exe N/A
N/A N/A C:\Windows\SysWOW64\WerFault.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\AppPatch\8.77.dll C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe N/A
File created C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe N/A
File opened for modification C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe N/A
File created C:\Program Files\AppPatch\8.77.dll C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe N/A

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2312 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe
PID 2312 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe
PID 2312 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe
PID 2312 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe
PID 2868 wrote to memory of 2596 N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe
PID 2868 wrote to memory of 2596 N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe
PID 2868 wrote to memory of 2596 N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe
PID 2868 wrote to memory of 2596 N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe
PID 2868 wrote to memory of 2784 N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe C:\Windows\SysWOW64\WerFault.exe
PID 2868 wrote to memory of 2784 N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe C:\Windows\SysWOW64\WerFault.exe
PID 2868 wrote to memory of 2784 N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe C:\Windows\SysWOW64\WerFault.exe
PID 2868 wrote to memory of 2784 N/A C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe

"C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe"

C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe

"C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe"

C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe

"C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe"

C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe

"C:\Program Files (x86)\Windows NT\conhosstdhlvse.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 344

Network

Country Destination Domain Proto
US 8.8.8.8:53 xiazai.caobibibi.com udp
HK 45.207.168.120:7744 xiazai.caobibibi.com tcp
US 8.8.8.8:53 bj.caobibibi.com udp
HK 45.204.85.28:10087 bj.caobibibi.com tcp
HK 45.204.85.28:10087 bj.caobibibi.com tcp
HK 45.204.85.28:10087 bj.caobibibi.com tcp
HK 45.204.85.28:10087 bj.caobibibi.com tcp

Files

C:\Program Files\AppPatch\8.77.dll

MD5 0a74e0bffbce3cc5466796739cfdeb44
SHA1 c3b50df0a1de18b7053bff1b0293f5512f824055
SHA256 cdabc33a27b23c2060637193a4cbad94e16d31e6a4df7d67bdc6b63c1d056b30
SHA512 9fb4f39d95820f63da2d8767b76f317c512a8db1b86428f04baf4b163d0deaee5c4726c9f66807a3b1c223d575557fabc88e0cde73a4561b304f6edd76b8cc36

memory/2312-8-0x0000000010000000-0x000000001034B000-memory.dmp

memory/2312-5-0x0000000010000000-0x000000001034B000-memory.dmp

memory/2312-10-0x0000000010000000-0x000000001034B000-memory.dmp

memory/2312-9-0x0000000010000000-0x000000001034B000-memory.dmp

memory/2312-11-0x0000000010000000-0x000000001034B000-memory.dmp

\Program Files (x86)\Windows NT\conhosstdhlvse.exe

MD5 1adcf48a05e66c1102e4fb1974e9bbe4
SHA1 e0d9bebb3db9e22ef4693dfb2bc7f337fbbd1d59
SHA256 04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1
SHA512 c55d3f78a26a3e7e20b5aa030ae64ba39c5dae77abd3b31d2a9374b8acfbbaf8ba5b52f43e250b595be16de5ca7568f160edcfcc15e5df3cfe0d4c6767fe11b3

memory/2900-27-0x0000000010000000-0x000000001034B000-memory.dmp

memory/2900-26-0x0000000010000000-0x000000001034B000-memory.dmp

memory/2900-22-0x0000000010000000-0x000000001034B000-memory.dmp

memory/2900-25-0x0000000010000000-0x000000001034B000-memory.dmp

memory/2868-34-0x0000000010000000-0x000000001034B000-memory.dmp

memory/2868-45-0x0000000010000000-0x000000001034B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 14:26

Reported

2024-06-13 14:29

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe"

Signatures

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\AppPatch\8.77.dll C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe

"C:\Users\Admin\AppData\Local\Temp\04e5c9467245df7b1beb4a2646d038e2320147f035fc18629adfb32b4da76ef1.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 xiazai.caobibibi.com udp
US 8.8.8.8:53 xiazai.caobibibi.com udp
US 8.8.8.8:53 xiazai.caobibibi.com udp
US 8.8.8.8:53 xiazai.caobibibi.com udp
US 8.8.8.8:53 xiazai.caobibibi.com udp
US 8.8.8.8:53 xiazai.caobibibi.com udp
US 8.8.8.8:53 xiazai.caobibibi.com udp
US 8.8.8.8:53 xiazai.caobibibi.com udp
US 8.8.8.8:53 xiazai.caobibibi.com udp
US 8.8.8.8:53 xiazai.caobibibi.com udp
US 8.8.8.8:53 xiazai.caobibibi.com udp
US 8.8.8.8:53 xiazai.caobibibi.com udp

Files

N/A