Malware Analysis Report

2025-04-03 14:23

Sample ID 241215-rpy1maynfj
Target f4651f138dd3720f287895a407db4eef_JaffaCakes118
SHA256 c350bbc423784704e9595afacf7cb7f0470f4c49acf37e630606ee5c73449a0a
Tags
upatre discovery downloader
score
10/10

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
10/10

SHA256

c350bbc423784704e9595afacf7cb7f0470f4c49acf37e630606ee5c73449a0a

Threat Level: Known bad

The file f4651f138dd3720f287895a407db4eef_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upatre discovery downloader

Upatre

Upatre family

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-15 14:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-15 14:22

Reported

2024-12-15 14:25

Platform

win7-20241023-en

Max time kernel

149s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f4651f138dd3720f287895a407db4eef_JaffaCakes118.exe"

Signatures

Upatre

downloader upatre

Upatre family

upatre

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\szgfw.exe N/A

Enumerates physical storage devices

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\f4651f138dd3720f287895a407db4eef_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f4651f138dd3720f287895a407db4eef_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f4651f138dd3720f287895a407db4eef_JaffaCakes118.exe"

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

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

Network

N/A

Files

memory/2604-0-0x0000000000220000-0x0000000000221000-memory.dmp

\Users\Admin\AppData\Local\Temp\szgfw.exe

MD5 32a31305d8f7daad52ab5a12e86d0c2e
SHA1 2aa311a3c5ed94b2cf12fbea1dd90aa04fd712d7
SHA256 57c43c201b710b9b0f911a29b90c3bb2a622a02fb1428aff76df93bc4f5af8f3
SHA512 6847436b57031fc3e2a4120532364094cdac177d65d11e2a28bd6e822e97ee9d20c06f5dbf586d04afb6c621707b5e390fd9a2fdaa7ae3ad9d0a5d91d803c814

memory/2604-9-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1736-12-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-15 14:22

Reported

2024-12-15 14:25

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f4651f138dd3720f287895a407db4eef_JaffaCakes118.exe"

Signatures

Upatre

downloader upatre

Upatre family

upatre

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\f4651f138dd3720f287895a407db4eef_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\szgfw.exe N/A

Enumerates physical storage devices

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\f4651f138dd3720f287895a407db4eef_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\szgfw.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f4651f138dd3720f287895a407db4eef_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f4651f138dd3720f287895a407db4eef_JaffaCakes118.exe"

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

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

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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2520-0-0x0000000000570000-0x0000000000571000-memory.dmp

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

MD5 32a31305d8f7daad52ab5a12e86d0c2e
SHA1 2aa311a3c5ed94b2cf12fbea1dd90aa04fd712d7
SHA256 57c43c201b710b9b0f911a29b90c3bb2a622a02fb1428aff76df93bc4f5af8f3
SHA512 6847436b57031fc3e2a4120532364094cdac177d65d11e2a28bd6e822e97ee9d20c06f5dbf586d04afb6c621707b5e390fd9a2fdaa7ae3ad9d0a5d91d803c814

memory/2520-9-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4776-10-0x0000000000400000-0x0000000000409000-memory.dmp