Malware Analysis Report

2025-03-14 23:42

Sample ID 240407-xg4h2abg74
Target e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118
SHA256 ab4a32f2985665d5989872dcac330a4396f0e0102f13ff9789f9bd0662401473
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

ab4a32f2985665d5989872dcac330a4396f0e0102f13ff9789f9bd0662401473

Threat Level: Shows suspicious behavior

The file e59dac2cbe5d714c144542e95383fb9c_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

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 18:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 18:50

Reported

2024-04-07 18:53

Platform

win7-20240319-en

Max time kernel

150s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe"

Signatures

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows\CurrentVersion\Run\KOQMLYTPE7 = "C:\\Windows\\Rxivaa.exe" C:\Windows\Rxivaa.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe N/A
File created C:\Windows\Rxivaa.exe C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe N/A
File opened for modification C:\Windows\Rxivaa.exe C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe N/A
File created C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Windows\Rxivaa.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\Rxivaa.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\International C:\Windows\Rxivaa.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Processes

C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe"

C:\Windows\Rxivaa.exe

C:\Windows\Rxivaa.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 fantasticarena.com udp
US 8.8.8.8:53 blogdemand.com udp

Files

memory/1784-0-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1784-1-0x0000000000280000-0x0000000000281000-memory.dmp

memory/1784-2-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Windows\Rxivaa.exe

MD5 e59dac2cbe5d714c144542e95383fb9c
SHA1 f018d020825e1a3d73f9de1ac11771d97929976b
SHA256 ab4a32f2985665d5989872dcac330a4396f0e0102f13ff9789f9bd0662401473
SHA512 30c0ce08e88f300ce38a137c27d86dadfc3f20fea645561236e26a84f0b8c032d4a60f41eec8136f7fbbeab1de52ef2b0a055c08381942d95a63163d7caf943e

memory/2044-9-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2044-10-0x0000000000400000-0x000000000043C000-memory.dmp

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

MD5 0d6d16afeba28b48cf349dbe42b779ce
SHA1 86f712b7681b244f43fba991947406357c506621
SHA256 28f863a7145ca427e84dd2d26a50bf6c0eaad67d17fc1101945b17f9d96ea7cf
SHA512 d1f8c91517f61c20e5f18a55a855733b163eece26349d0d29e2caa78de8bd951862fc6fc202179778ab7b3a5ea29e22eadaed7dc5e746ef4e13a99fda410e316

memory/1784-8801-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2044-24282-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1784-30616-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2044-39074-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2044-43919-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2044-51745-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2044-51746-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2044-51747-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2044-51749-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2044-51753-0x0000000000400000-0x000000000043C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 18:50

Reported

2024-04-07 18:53

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe"

Signatures

Executes dropped EXE

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

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job C:\Windows\Urulia.exe N/A
File created C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe N/A
File opened for modification C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe N/A
File created C:\Windows\Urulia.exe C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe N/A
File opened for modification C:\Windows\Urulia.exe C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe N/A
File created C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job C:\Windows\Urulia.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Windows\Urulia.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\International C:\Windows\Urulia.exe N/A
Key created \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\Urulia.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Processes

C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e59dac2cbe5d714c144542e95383fb9c_JaffaCakes118.exe"

C:\Windows\Urulia.exe

C:\Windows\Urulia.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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 blogdemand.com udp
US 8.8.8.8:53 fantasticarena.com udp
US 8.8.8.8:53 fantasticarena.com udp
US 8.8.8.8:53 blogdemand.com udp
US 8.8.8.8:53 fantasticarena.com udp
US 8.8.8.8:53 blogdemand.com udp
US 8.8.8.8:53 fantasticarena.com udp
US 8.8.8.8:53 blogdemand.com udp
US 8.8.8.8:53 174.117.168.52.in-addr.arpa udp

Files

memory/3252-0-0x0000000000400000-0x000000000043C000-memory.dmp

memory/3252-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

memory/3252-2-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Windows\Urulia.exe

MD5 e59dac2cbe5d714c144542e95383fb9c
SHA1 f018d020825e1a3d73f9de1ac11771d97929976b
SHA256 ab4a32f2985665d5989872dcac330a4396f0e0102f13ff9789f9bd0662401473
SHA512 30c0ce08e88f300ce38a137c27d86dadfc3f20fea645561236e26a84f0b8c032d4a60f41eec8136f7fbbeab1de52ef2b0a055c08381942d95a63163d7caf943e

memory/4732-9-0x0000000000400000-0x000000000043C000-memory.dmp

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

MD5 2c8465a6b78c68392b6be107b4876356
SHA1 1ed15f6b812ccc04a671efa75b3479c26df0a4c1
SHA256 d09f60a77d6e17dabc39e0f2666cc497d7e5b055ec0f2e47069663c2cde0e60d
SHA512 ceb47ca2c4608b7c7299269fe00af170c8672d42e5880e33cf3ca4bdd4e7636f86fcb6d558307d731c994691c4f7888250afc193eddf2d410ca7f89152082ef6

memory/3252-12107-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4732-18811-0x0000000000400000-0x000000000043C000-memory.dmp

memory/3252-32422-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4732-44914-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4732-56549-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4732-69151-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4732-94714-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4732-120958-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4732-143753-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4732-145640-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4732-145641-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4732-145643-0x0000000000400000-0x000000000043C000-memory.dmp

memory/4732-145647-0x0000000000400000-0x000000000043C000-memory.dmp