Malware Analysis Report

2025-06-16 00:54

Sample ID 241031-sv3fnsypdy
Target 836f2b37f2360cd55545894929c5b60a_JaffaCakes118
SHA256 a12e5b1eb3d865757223b2e5533eb537caaf7973af327f07da4fb0166aa36b6d
Tags
credential_access discovery persistence spyware stealer 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 Overview

score
7/10

SHA256

a12e5b1eb3d865757223b2e5533eb537caaf7973af327f07da4fb0166aa36b6d

Threat Level: Shows suspicious behavior

The file 836f2b37f2360cd55545894929c5b60a_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

credential_access discovery persistence spyware stealer upx

Credentials from Password Stores: Windows Credential Manager

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Checks installed software on the system

Adds Run key to start application

UPX packed file

Unsigned PE

Browser Information Discovery

System Location Discovery: System Language Discovery

Program crash

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 15:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-31 15:27

Reported

2024-10-31 15:34

Platform

win7-20240903-en

Max time kernel

140s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\836f2b37f2360cd55545894929c5b60a_JaffaCakes118.exe"

Signatures

Credentials from Password Stores: Windows Credential Manager

credential_access stealer

Reads WinSCP keys stored on the system

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SmartIndex = "C:\\Users\\Admin\\AppData\\Local\\Temp\\836f2b37f2360cd55545894929c5b60a_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\836f2b37f2360cd55545894929c5b60a_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

UPX packed file

upx
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
N/A N/A N/A N/A
N/A N/A N/A N/A

Browser Information Discovery

discovery

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\836f2b37f2360cd55545894929c5b60a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\836f2b37f2360cd55545894929c5b60a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\836f2b37f2360cd55545894929c5b60a_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 76.121.34.32:80 tcp
N/A 127.0.0.1:49199 tcp
N/A 127.0.0.1:49204 tcp
BA 77.239.3.11:80 tcp
N/A 127.0.0.1:49208 tcp
VE 190.78.140.30:80 tcp
N/A 127.0.0.1:49212 tcp
BR 186.236.41.3:80 tcp
N/A 127.0.0.1:49216 tcp
TW 180.176.7.109:80 tcp
N/A 127.0.0.1:49220 tcp
IN 116.193.133.218:80 tcp
QA 78.100.116.47:80 tcp
N/A 127.0.0.1:49225 tcp
N/A 127.0.0.1:49229 tcp
UA 178.74.212.197:80 tcp
N/A 127.0.0.1:49233 tcp
BA 77.239.21.25:80 tcp
N/A 127.0.0.1:49236 tcp
RO 79.113.187.49:80 tcp
N/A 127.0.0.1:49240 tcp
CA 24.83.200.9:80 tcp
N/A 127.0.0.1:49244 tcp
TR 46.1.51.22:80 tcp
N/A 127.0.0.1:49248 tcp
KR 175.214.40.13:80 tcp
KR 118.33.21.46:80 tcp
N/A 127.0.0.1:49253 tcp
KR 221.156.192.17:80 tcp
N/A 127.0.0.1:49257 tcp

Files

memory/2512-0-0x0000000000403000-0x0000000000404000-memory.dmp

memory/2512-4-0x0000000000400000-0x000000000061E000-memory.dmp

memory/2512-3-0x0000000000400000-0x000000000061E000-memory.dmp

memory/2512-5-0x0000000000400000-0x000000000061E000-memory.dmp

memory/2512-6-0x0000000000400000-0x000000000061E000-memory.dmp

memory/2512-7-0x0000000000403000-0x0000000000404000-memory.dmp

memory/2512-8-0x0000000000400000-0x000000000061E000-memory.dmp

memory/2512-14-0x0000000000400000-0x000000000061E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-31 15:27

Reported

2024-10-31 15:34

Platform

win10v2004-20241007-en

Max time kernel

136s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\836f2b37f2360cd55545894929c5b60a_JaffaCakes118.exe"

Signatures

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\836f2b37f2360cd55545894929c5b60a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\836f2b37f2360cd55545894929c5b60a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\836f2b37f2360cd55545894929c5b60a_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1004 -ip 1004

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 396

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 74.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

N/A