Malware Analysis Report

2025-01-22 12:43

Sample ID 240622-1l8v4avhke
Target 03f7ab04a139f3abc39737bfc4401b89_JaffaCakes118
SHA256 24c34a4090819adff7e3012f6ce65f04b78a2e7742b85854b3847c7fea6a339e
Tags
aspackv2
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
7/10

SHA256

24c34a4090819adff7e3012f6ce65f04b78a2e7742b85854b3847c7fea6a339e

Threat Level: Shows suspicious behavior

The file 03f7ab04a139f3abc39737bfc4401b89_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2

ASPack v2.12-2.42

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-22 21:45

Signatures

ASPack v2.12-2.42

aspackv2
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: behavioral1

Detonation Overview

Submitted

2024-06-22 21:45

Reported

2024-06-22 21:47

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\03f7ab04a139f3abc39737bfc4401b89_JaffaCakes118.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\03f7ab04a139f3abc39737bfc4401b89_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\03f7ab04a139f3abc39737bfc4401b89_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 280

Network

N/A

Files

memory/1744-0-0x0000000074870000-0x00000000748D1000-memory.dmp

memory/1744-2-0x0000000074820000-0x0000000074881000-memory.dmp

memory/1744-1-0x0000000074890000-0x00000000748F1000-memory.dmp

memory/1744-3-0x00000000748A9000-0x00000000748AA000-memory.dmp

memory/1744-5-0x0000000074890000-0x00000000748F1000-memory.dmp

memory/1744-4-0x0000000074890000-0x00000000748F1000-memory.dmp

memory/1744-6-0x0000000074890000-0x00000000748F1000-memory.dmp

memory/1744-7-0x00000000030E0000-0x00000000030E1000-memory.dmp

memory/1744-8-0x00000000006C0000-0x00000000006C1000-memory.dmp

memory/1744-9-0x00000000030D0000-0x00000000030D2000-memory.dmp

memory/1744-17-0x00000000006B0000-0x00000000006B1000-memory.dmp

memory/1744-16-0x00000000030F0000-0x00000000030F1000-memory.dmp

memory/1744-15-0x0000000003100000-0x0000000003101000-memory.dmp

memory/1744-14-0x0000000003110000-0x0000000003111000-memory.dmp

memory/1744-13-0x0000000000250000-0x0000000000251000-memory.dmp

memory/1744-12-0x0000000000200000-0x0000000000201000-memory.dmp

memory/1744-11-0x0000000003120000-0x00000000031A0000-memory.dmp

memory/1744-10-0x0000000003120000-0x00000000031A0000-memory.dmp

memory/1744-18-0x0000000074890000-0x00000000748F1000-memory.dmp

memory/1744-20-0x0000000074820000-0x0000000074881000-memory.dmp

memory/1744-19-0x0000000074870000-0x00000000748D1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-22 21:45

Reported

2024-06-22 21:47

Platform

win10v2004-20240611-en

Max time kernel

140s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\03f7ab04a139f3abc39737bfc4401b89_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1972 wrote to memory of 1804 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1972 wrote to memory of 1804 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1972 wrote to memory of 1804 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\03f7ab04a139f3abc39737bfc4401b89_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\03f7ab04a139f3abc39737bfc4401b89_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1804 -ip 1804

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 616

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1804 -ip 1804

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 888

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp

Files

memory/1804-0-0x0000000074EB0000-0x0000000074F11000-memory.dmp

memory/1804-17-0x0000000002570000-0x0000000002571000-memory.dmp

memory/1804-33-0x0000000003400000-0x0000000003401000-memory.dmp

memory/1804-32-0x0000000003410000-0x0000000003411000-memory.dmp

memory/1804-31-0x0000000003420000-0x0000000003421000-memory.dmp

memory/1804-30-0x0000000000B70000-0x0000000000B71000-memory.dmp

memory/1804-29-0x0000000000880000-0x0000000000881000-memory.dmp

memory/1804-28-0x0000000003430000-0x0000000003431000-memory.dmp

memory/1804-27-0x0000000003430000-0x0000000003431000-memory.dmp

memory/1804-26-0x0000000003430000-0x0000000003431000-memory.dmp

memory/1804-25-0x0000000003430000-0x0000000003431000-memory.dmp

memory/1804-24-0x0000000003430000-0x0000000003431000-memory.dmp

memory/1804-23-0x00000000025C0000-0x00000000025C1000-memory.dmp

memory/1804-22-0x0000000002650000-0x0000000002651000-memory.dmp

memory/1804-21-0x0000000002620000-0x0000000002621000-memory.dmp

memory/1804-20-0x0000000002610000-0x0000000002611000-memory.dmp

memory/1804-19-0x0000000002660000-0x0000000002661000-memory.dmp

memory/1804-18-0x0000000002640000-0x0000000002641000-memory.dmp

memory/1804-16-0x00000000025B0000-0x00000000025B1000-memory.dmp

memory/1804-15-0x00000000025F0000-0x00000000025F1000-memory.dmp

memory/1804-14-0x00000000025D0000-0x00000000025D1000-memory.dmp

memory/1804-13-0x00000000025E0000-0x00000000025E1000-memory.dmp

memory/1804-12-0x0000000002590000-0x0000000002591000-memory.dmp

memory/1804-11-0x00000000033E0000-0x00000000033E2000-memory.dmp

memory/1804-10-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

memory/1804-9-0x00000000033F0000-0x00000000033F1000-memory.dmp

memory/1804-8-0x0000000000B90000-0x0000000000B91000-memory.dmp

memory/1804-7-0x0000000002540000-0x0000000002541000-memory.dmp

memory/1804-6-0x0000000000B80000-0x0000000000B81000-memory.dmp

memory/1804-5-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

memory/1804-4-0x0000000002520000-0x0000000002521000-memory.dmp

memory/1804-3-0x0000000002530000-0x0000000002531000-memory.dmp

memory/1804-2-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

memory/1804-1-0x00000000023C0000-0x000000000241A000-memory.dmp

memory/1804-34-0x00000000023C0000-0x000000000241A000-memory.dmp