Malware Analysis Report

2025-01-22 12:59

Sample ID 240626-mq6dwatdnn
Target 11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118
SHA256 189e0ced0a024d3af5ffef40132db7d09b1488d912b69cfaae10f6f7f93b1d57
Tags
vmprotect
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 Overview

score
7/10

SHA256

189e0ced0a024d3af5ffef40132db7d09b1488d912b69cfaae10f6f7f93b1d57

Threat Level: Shows suspicious behavior

The file 11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Unsigned PE

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-26 10:41

Signatures

VMProtect packed file

vmprotect
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

2024-06-26 10:41

Reported

2024-06-26 10:43

Platform

win7-20240611-en

Max time kernel

118s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe"

Signatures

VMProtect packed file

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

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1704 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1704 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1704 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1704 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2588 wrote to memory of 2668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 2588 wrote to memory of 2668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 2588 wrote to memory of 2668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 2588 wrote to memory of 2668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 2588 wrote to memory of 2956 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2588 wrote to memory of 2956 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2588 wrote to memory of 2956 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2588 wrote to memory of 2956 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2588 wrote to memory of 2612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 2588 wrote to memory of 2612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 2588 wrote to memory of 2612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 2588 wrote to memory of 2612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 2588 wrote to memory of 2096 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 2588 wrote to memory of 2096 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 2588 wrote to memory of 2096 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 2588 wrote to memory of 2096 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe

Processes

C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c C:\IELOCK.bat

C:\Windows\SysWOW64\at.exe

at /delete /y

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c time /t

C:\Windows\SysWOW64\at.exe

at 10:41 /interactive /every:m,t,w,th,f,s,su "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.shenlan520.cn

C:\Windows\SysWOW64\at.exe

at 11:41 /interactive /every:m,t,w,th,f,s,su "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.92qyw.com

Network

Country Destination Domain Proto
US 8.8.8.8:53 wo.llv8.net udp
US 8.8.8.8:53 www.shenxiandao.cn udp
HK 154.80.186.243:80 www.shenxiandao.cn tcp
US 8.8.8.8:53 www.92vp.com udp

Files

memory/1704-0-0x0000000000400000-0x0000000000650000-memory.dmp

C:\IELOCK.bat

MD5 eab895f7de20b92da0412f006069f3bd
SHA1 75ff405267f375d77bd469953149e9023ba30e95
SHA256 58a44568dec6833d28f88ce9c9dd00a4d10d7f4ed0eb00f0812fabdfe7bb266a
SHA512 857523dc9bf6fabbfcb302572eb1013b223c24e38c0ad1e9cf1915c7744334fa30ea7af8c58d04039d824ee7e277a9d209b7e55a3b787221ae2523ec30474d03

\??\PIPE\atsvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 10:41

Reported

2024-06-26 10:43

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe"

Signatures

VMProtect packed file

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4972 wrote to memory of 892 N/A C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 4972 wrote to memory of 892 N/A C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 4972 wrote to memory of 892 N/A C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 892 wrote to memory of 1404 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 892 wrote to memory of 1404 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 892 wrote to memory of 1404 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 892 wrote to memory of 3884 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 892 wrote to memory of 3884 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 892 wrote to memory of 3884 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 892 wrote to memory of 4544 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 892 wrote to memory of 4544 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 892 wrote to memory of 4544 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 892 wrote to memory of 4944 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 892 wrote to memory of 4944 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe
PID 892 wrote to memory of 4944 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\at.exe

Processes

C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\11b8dec4860e18494fd077f5e1e1ea96_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c C:\IELOCK.bat

C:\Windows\SysWOW64\at.exe

at /delete /y

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c time /t

C:\Windows\SysWOW64\at.exe

at 10:41 /interactive /every:m,t,w,th,f,s,su "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.shenlan520.cn

C:\Windows\SysWOW64\at.exe

at 11:41 /interactive /every:m,t,w,th,f,s,su "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.92qyw.com

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 wo.llv8.net udp
US 8.8.8.8:53 www.shenxiandao.cn udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
HK 154.80.186.243:80 www.shenxiandao.cn tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 243.186.80.154.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.187.202:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 202.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp

Files

memory/4972-0-0x0000000000400000-0x0000000000650000-memory.dmp

memory/4972-1-0x000000000062E000-0x000000000062F000-memory.dmp

C:\IELOCK.bat

MD5 eab895f7de20b92da0412f006069f3bd
SHA1 75ff405267f375d77bd469953149e9023ba30e95
SHA256 58a44568dec6833d28f88ce9c9dd00a4d10d7f4ed0eb00f0812fabdfe7bb266a
SHA512 857523dc9bf6fabbfcb302572eb1013b223c24e38c0ad1e9cf1915c7744334fa30ea7af8c58d04039d824ee7e277a9d209b7e55a3b787221ae2523ec30474d03

memory/4972-15-0x000000000062E000-0x000000000062F000-memory.dmp