Malware Analysis Report

2025-08-06 01:18

Sample ID 241107-shjsssxjel
Target d7daa887a187f8bb8185baa67a79f2900d2f66b61ce787e9102849027b6472c8N
SHA256 d7daa887a187f8bb8185baa67a79f2900d2f66b61ce787e9102849027b6472c8
Tags
discovery upx
score
7/10

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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

d7daa887a187f8bb8185baa67a79f2900d2f66b61ce787e9102849027b6472c8

Threat Level: Shows suspicious behavior

The file d7daa887a187f8bb8185baa67a79f2900d2f66b61ce787e9102849027b6472c8N was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery upx

Loads dropped DLL

ACProtect 1.3x - 1.4x DLL software

UPX packed file

System Location Discovery: System Language Discovery

Program crash

Enumerates physical storage devices

Unsigned PE

NSIS installer

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 15:07

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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

NSIS installer

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 15:07

Reported

2024-11-07 15:09

Platform

win7-20240708-en

Max time kernel

16s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d7daa887a187f8bb8185baa67a79f2900d2f66b61ce787e9102849027b6472c8N.exe"

Signatures

Enumerates physical storage devices

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\d7daa887a187f8bb8185baa67a79f2900d2f66b61ce787e9102849027b6472c8N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d7daa887a187f8bb8185baa67a79f2900d2f66b61ce787e9102849027b6472c8N.exe

"C:\Users\Admin\AppData\Local\Temp\d7daa887a187f8bb8185baa67a79f2900d2f66b61ce787e9102849027b6472c8N.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 bun.warspade.bid udp
FR 3.165.135.39:80 bun.warspade.bid tcp
US 8.8.8.8:53 down.frontcrowd.bid udp
SE 46.21.101.120:80 down.frontcrowd.bid tcp
US 8.8.8.8:53 win.eggswilderness.bid udp
FR 3.165.135.173:80 win.eggswilderness.bid tcp

Files

\Users\Admin\AppData\Local\Temp\nsjB5AA.tmp\NSISdl.dll

MD5 a5f8399a743ab7f9c88c645c35b1ebb5
SHA1 168f3c158913b0367bf79fa413357fbe97018191
SHA256 dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9
SHA512 824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 15:07

Reported

2024-11-07 15:09

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d7daa887a187f8bb8185baa67a79f2900d2f66b61ce787e9102849027b6472c8N.exe"

Signatures

Enumerates physical storage devices

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\d7daa887a187f8bb8185baa67a79f2900d2f66b61ce787e9102849027b6472c8N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d7daa887a187f8bb8185baa67a79f2900d2f66b61ce787e9102849027b6472c8N.exe

"C:\Users\Admin\AppData\Local\Temp\d7daa887a187f8bb8185baa67a79f2900d2f66b61ce787e9102849027b6472c8N.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 bun.warspade.bid udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
FR 3.165.135.184:80 bun.warspade.bid tcp
US 8.8.8.8:53 down.frontcrowd.bid udp
SE 46.21.101.120:80 down.frontcrowd.bid tcp
US 8.8.8.8:53 win.eggswilderness.bid udp
FR 3.165.135.39:80 win.eggswilderness.bid tcp
US 8.8.8.8:53 184.135.165.3.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 120.101.21.46.in-addr.arpa udp
US 8.8.8.8:53 39.135.165.3.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nsu926D.tmp\NSISdl.dll

MD5 a5f8399a743ab7f9c88c645c35b1ebb5
SHA1 168f3c158913b0367bf79fa413357fbe97018191
SHA256 dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9
SHA512 824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-07 15:07

Reported

2024-11-07 15:09

Platform

win7-20240903-en

Max time kernel

29s

Max time network

16s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

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

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 224

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-07 15:07

Reported

2024-11-07 15:09

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4812 wrote to memory of 4756 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4812 wrote to memory of 4756 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4812 wrote to memory of 4756 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4756 -ip 4756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 624

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-11-07 15:07

Reported

2024-11-07 15:09

Platform

win7-20240903-en

Max time kernel

18s

Max time network

16s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1

Signatures

UPX packed file

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

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

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 220

Network

N/A

Files

memory/2900-1-0x0000000074B80000-0x0000000074B8A000-memory.dmp

memory/2900-2-0x0000000074B90000-0x0000000074B9A000-memory.dmp

memory/2900-0-0x0000000074B90000-0x0000000074B9A000-memory.dmp

memory/2900-3-0x0000000074B80000-0x0000000074B8A000-memory.dmp

memory/2900-4-0x0000000074B80000-0x0000000074B8A000-memory.dmp

Analysis: behavioral6

Detonation Overview

Submitted

2024-11-07 15:07

Reported

2024-11-07 15:09

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1

Signatures

UPX packed file

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3880 wrote to memory of 4196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3880 wrote to memory of 4196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3880 wrote to memory of 4196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4196 -ip 4196

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 600

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/4196-0-0x00000000752C0000-0x00000000752CA000-memory.dmp

memory/4196-2-0x00000000752C0000-0x00000000752CA000-memory.dmp