Malware Analysis Report

2025-03-14 22:36

Sample ID 240406-rz4zmace6x
Target e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118
SHA256 35d6b94e7241f7d2c670098004afb3c049d546cb8ee39669700d14c1f6e5f2cb
Tags
persistence
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

35d6b94e7241f7d2c670098004afb3c049d546cb8ee39669700d14c1f6e5f2cb

Threat Level: Shows suspicious behavior

The file e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Executes dropped EXE

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

Suspicious use of WriteProcessMemory

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-06 14:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 14:38

Reported

2024-04-06 14:41

Platform

win7-20240221-en

Max time kernel

150s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\Hcujya.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\W1WIWQ1NPG = "C:\\Windows\\Hcujya.exe" C:\Windows\Hcujya.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe N/A
File opened for modification C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe N/A
File created C:\Windows\Hcujya.exe C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe N/A
File opened for modification C:\Windows\Hcujya.exe C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\Hcujya.exe N/A
Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\International C:\Windows\Hcujya.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A
N/A N/A C:\Windows\Hcujya.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe"

C:\Windows\Hcujya.exe

C:\Windows\Hcujya.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 wikileaks.org udp
US 8.8.8.8:53 articlesbase.com udp
US 8.8.8.8:53 10086.cn udp
US 8.8.8.8:53 rochesterresidential.com udp
US 8.8.8.8:53 cardcabaret.com udp
US 8.8.8.8:53 blogdemand.com udp

Files

memory/2212-2-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2212-1-0x0000000000270000-0x0000000000271000-memory.dmp

memory/2212-0-0x0000000000400000-0x000000000043E000-memory.dmp

C:\Windows\Hcujya.exe

MD5 e2c277bc12ee1291ee2d745b38df3719
SHA1 be42a58db423a364c9a469de01cd1aafb63fc463
SHA256 35d6b94e7241f7d2c670098004afb3c049d546cb8ee39669700d14c1f6e5f2cb
SHA512 78919c053b93eab7aa58b4fb9ac5e0d384544969cad584a50cb1f88e7bcc29184f0301107cb8191867d1bd3269ae2b327c0bb4cb8bbc8e2b6d355440ecf13e2f

memory/2324-9-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2324-10-0x0000000000400000-0x000000000043E000-memory.dmp

C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job

MD5 11c78e6b551ef28b91c4503a5eb7c40d
SHA1 82bfb3f61b5c201affe3b2c01f75c3e554b927b8
SHA256 50e006f702efb3a959dc74b7db8ec54341116202d98a60f85cbb3d7485db7b46
SHA512 fd208691b12281b31167d757525302d803d565986ae6208449aba9b9f3b88356d0d1391d499c8dea89fbd5851c3b9c12c0d717151827e0d2dd359b25452c19e6

memory/2212-14070-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2324-25113-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2212-32003-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2324-40744-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2324-51672-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2324-51673-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2324-51674-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2324-51675-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2324-51676-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2324-51678-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2324-51679-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2324-51683-0x0000000000400000-0x000000000043E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 14:38

Reported

2024-04-06 14:41

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\Pxoloa.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job C:\Windows\Pxoloa.exe N/A
File opened for modification C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job C:\Windows\Pxoloa.exe N/A
File created C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe N/A
File opened for modification C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe N/A
File created C:\Windows\Pxoloa.exe C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe N/A
File opened for modification C:\Windows\Pxoloa.exe C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\Pxoloa.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\International C:\Windows\Pxoloa.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A
N/A N/A C:\Windows\Pxoloa.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e2c277bc12ee1291ee2d745b38df3719_JaffaCakes118.exe"

C:\Windows\Pxoloa.exe

C:\Windows\Pxoloa.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 wikileaks.org udp
US 8.8.8.8:53 articlesbase.com udp
US 8.8.8.8:53 10086.cn udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 rochesterresidential.com udp
US 8.8.8.8:53 cardcabaret.com udp
US 8.8.8.8:53 blogdemand.com udp
US 8.8.8.8:53 rochesterresidential.com udp
US 8.8.8.8:53 cardcabaret.com udp
US 8.8.8.8:53 blogdemand.com udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 rochesterresidential.com udp
US 8.8.8.8:53 cardcabaret.com udp
US 8.8.8.8:53 blogdemand.com udp
US 8.8.8.8:53 rochesterresidential.com udp
US 8.8.8.8:53 cardcabaret.com udp
US 8.8.8.8:53 blogdemand.com udp

Files

memory/4512-0-0x0000000000400000-0x000000000043E000-memory.dmp

memory/4512-1-0x0000000000610000-0x0000000000611000-memory.dmp

memory/4512-2-0x0000000000400000-0x000000000043E000-memory.dmp

C:\Windows\Pxoloa.exe

MD5 e2c277bc12ee1291ee2d745b38df3719
SHA1 be42a58db423a364c9a469de01cd1aafb63fc463
SHA256 35d6b94e7241f7d2c670098004afb3c049d546cb8ee39669700d14c1f6e5f2cb
SHA512 78919c053b93eab7aa58b4fb9ac5e0d384544969cad584a50cb1f88e7bcc29184f0301107cb8191867d1bd3269ae2b327c0bb4cb8bbc8e2b6d355440ecf13e2f

memory/2708-9-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-10-0x0000000000400000-0x000000000043E000-memory.dmp

C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job

MD5 db09a8b9452b66265dc67ed9f42e34c6
SHA1 806a030a42f1c7a9211c83b833b14c78e595e7b7
SHA256 8f51f7007cab661f950c87bf1d1db54ca9b2ab1205f5c5907f0a011b94df51a7
SHA512 ee07536892f2f62c783f11a4cba50a23304d70e6e9d1f87e7f5c2723dc7f7d1ba7322a3794c1b109d57d4a6417a7ee8a0c3091043676a81ee5ce95e06321bfc4

memory/4512-12980-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-18566-0x0000000000400000-0x000000000043E000-memory.dmp

memory/4512-32493-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-38979-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-46331-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-58208-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-70153-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-95353-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-123583-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-152141-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-158672-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-158673-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-158675-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2708-158679-0x0000000000400000-0x000000000043E000-memory.dmp