Malware Analysis Report

2025-03-15 04:38

Sample ID 241027-2ef26stgrc
Target 76437e3cf950c5d9310987b3fc105b3b_JaffaCakes118
SHA256 b8096f632310bfa6874258f6feac5846ee1d54a3ed1bd66eef084b9017c9a82e
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

b8096f632310bfa6874258f6feac5846ee1d54a3ed1bd66eef084b9017c9a82e

Threat Level: Shows suspicious behavior

The file 76437e3cf950c5d9310987b3fc105b3b_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

credential_access discovery persistence spyware stealer upx

Reads user/profile data of web browsers

Credentials from Password Stores: Windows Credential Manager

Reads WinSCP keys stored on the system

Adds Run key to start application

Checks installed software on the system

UPX packed file

Unsigned PE

Browser Information Discovery

System Location Discovery: System Language Discovery

Program crash

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-27 22:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-27 22:29

Reported

2024-10-27 22:32

Platform

win7-20240903-en

Max time kernel

140s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76437e3cf950c5d9310987b3fc105b3b_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\AmdAgent = "C:\\Users\\Admin\\AppData\\Local\\Temp\\76437e3cf950c5d9310987b3fc105b3b_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\76437e3cf950c5d9310987b3fc105b3b_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

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\76437e3cf950c5d9310987b3fc105b3b_JaffaCakes118.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\76437e3cf950c5d9310987b3fc105b3b_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Users\Admin\AppData\Local\Temp\76437e3cf950c5d9310987b3fc105b3b_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\76437e3cf950c5d9310987b3fc105b3b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\76437e3cf950c5d9310987b3fc105b3b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\76437e3cf950c5d9310987b3fc105b3b_JaffaCakes118.exe"

Network

Country Destination Domain Proto
IN 117.205.40.43:80 tcp
N/A 127.0.0.1:49197 tcp
IN 183.83.85.9:80 tcp
N/A 127.0.0.1:49205 tcp
IN 117.200.148.42:80 tcp
N/A 127.0.0.1:49208 tcp
DZ 41.201.111.5:80 tcp
N/A 127.0.0.1:49212 tcp
BG 92.247.194.130:80 tcp
N/A 127.0.0.1:49216 tcp
KR 121.174.35.232:80 tcp
N/A 127.0.0.1:49220 tcp
IN 106.76.143.67:80 tcp
N/A 127.0.0.1:49225 tcp
PK 180.92.140.212:80 tcp
N/A 127.0.0.1:49229 tcp
IN 101.214.129.36:80 tcp
N/A 127.0.0.1:49233 tcp
KR 112.170.234.70:80 tcp
N/A 127.0.0.1:49237 tcp
N/A 127.0.0.1:49241 tcp
KR 59.0.22.8:80 tcp
KR 221.149.243.29:80 tcp
N/A 127.0.0.1:49244 tcp
IN 106.210.33.11:80 tcp
N/A 127.0.0.1:49248 tcp
IN 14.97.40.61:80 tcp
N/A 127.0.0.1:49253 tcp
N/A 127.0.0.1:49257 tcp
KR 14.52.132.25:80 tcp

Files

memory/2192-0-0x00000000003E0000-0x00000000003E1000-memory.dmp

memory/2192-1-0x0000000000400000-0x000000000063D000-memory.dmp

memory/2192-3-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2192-2-0x0000000000400000-0x000000000063D000-memory.dmp

memory/2192-5-0x0000000000400000-0x000000000063D000-memory.dmp

memory/2192-4-0x000000000057D000-0x000000000063C000-memory.dmp

memory/2192-6-0x00000000003E0000-0x00000000003E1000-memory.dmp

memory/2192-7-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2192-8-0x000000000057D000-0x000000000063C000-memory.dmp

memory/2192-9-0x0000000000400000-0x000000000063D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-27 22:29

Reported

2024-10-27 22:33

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76437e3cf950c5d9310987b3fc105b3b_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\76437e3cf950c5d9310987b3fc105b3b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\76437e3cf950c5d9310987b3fc105b3b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\76437e3cf950c5d9310987b3fc105b3b_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2392 -ip 2392

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 368

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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

Files

N/A