Malware Analysis Report

2024-10-10 12:04

Sample ID 240613-q8mw2awbqr
Target a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118
SHA256 9339c07ae2837e7045d244540fe4612b75f0f35a59e7aec21f0d95c4c4e1d2b9
Tags
upx discovery
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

9339c07ae2837e7045d244540fe4612b75f0f35a59e7aec21f0d95c4c4e1d2b9

Threat Level: Shows suspicious behavior

The file a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx discovery

UPX packed file

Checks installed software on the system

Maps connected drives based on registry

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 13:56

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 13:56

Reported

2024-06-13 13:58

Platform

win7-20240508-en

Max time kernel

140s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe"

Signatures

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

Checks installed software on the system

discovery

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\Count C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2756 wrote to memory of 1124 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2756 wrote to memory of 1124 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2756 wrote to memory of 1124 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2756 wrote to memory of 1124 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2756 wrote to memory of 1124 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2756 wrote to memory of 1124 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2756 wrote to memory of 1124 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2756 wrote to memory of 1124 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2756 wrote to memory of 1124 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2756 wrote to memory of 1124 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2756 wrote to memory of 1124 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2756 wrote to memory of 1124 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 discriminate.blockey.ru udp
US 8.8.8.8:53 ec2-54-194-234-48.eu-west-1.compute.amazonaws.com udp
US 8.8.8.8:53 discriminate.blockey.ru udp
US 8.8.8.8:53 ec2-54-194-234-48.eu-west-1.compute.amazonaws.com udp
US 8.8.8.8:53 discriminate.blockey.ru udp
US 8.8.8.8:53 ec2-54-194-234-48.eu-west-1.compute.amazonaws.com udp
US 8.8.8.8:53 discriminate.blockey.ru udp
US 8.8.8.8:53 ec2-54-194-234-48.eu-west-1.compute.amazonaws.com udp
US 8.8.8.8:53 discriminate.blockey.ru udp
US 8.8.8.8:53 ec2-54-194-234-48.eu-west-1.compute.amazonaws.com udp
US 8.8.8.8:53 discriminate.blockey.ru udp

Files

memory/2756-0-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/2756-1-0x0000000000800000-0x0000000000801000-memory.dmp

memory/2756-2-0x0000000004140000-0x0000000004F2D000-memory.dmp

memory/1124-3-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/1124-4-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/1124-5-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/1124-8-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/1124-10-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/1124-12-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/1124-15-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/1124-17-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/1124-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1124-21-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2756-23-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/1124-24-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/1124-25-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/1124-26-0x0000000000250000-0x0000000000251000-memory.dmp

memory/1124-27-0x0000000004750000-0x000000000553D000-memory.dmp

memory/1124-29-0x0000000000E30000-0x0000000000E40000-memory.dmp

memory/1124-30-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/1124-31-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/1124-32-0x0000000000250000-0x0000000000251000-memory.dmp

memory/1124-33-0x0000000004750000-0x000000000553D000-memory.dmp

memory/1124-34-0x0000000000E30000-0x0000000000E40000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 13:56

Reported

2024-06-13 13:58

Platform

win10v2004-20240611-en

Max time kernel

134s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe"

Signatures

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

Checks installed software on the system

discovery

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\Count C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe
PID 2152 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a5e4c7a41dadf94fc561deb64c3f8cdc_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 88.221.83.184:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 184.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 discriminate.blockey.ru udp
US 34.218.204.173:80 discriminate.blockey.ru tcp
US 8.8.8.8:53 ec2-54-194-234-48.eu-west-1.compute.amazonaws.com udp
IE 54.194.234.48:80 ec2-54-194-234-48.eu-west-1.compute.amazonaws.com tcp
US 8.8.8.8:53 173.204.218.34.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 34.218.204.173:80 discriminate.blockey.ru tcp
IE 54.194.234.48:80 ec2-54-194-234-48.eu-west-1.compute.amazonaws.com tcp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 34.218.204.173:80 discriminate.blockey.ru tcp
IE 54.194.234.48:80 ec2-54-194-234-48.eu-west-1.compute.amazonaws.com tcp
US 34.218.204.173:80 discriminate.blockey.ru tcp
IE 54.194.234.48:80 ec2-54-194-234-48.eu-west-1.compute.amazonaws.com tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 34.218.204.173:80 discriminate.blockey.ru tcp
IE 54.194.234.48:80 ec2-54-194-234-48.eu-west-1.compute.amazonaws.com tcp
US 34.218.204.173:80 discriminate.blockey.ru tcp
IE 54.194.234.48:80 ec2-54-194-234-48.eu-west-1.compute.amazonaws.com tcp

Files

memory/2152-0-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/2152-1-0x0000000000600000-0x0000000000601000-memory.dmp

memory/2244-2-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2244-3-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2244-5-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2244-7-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2244-9-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2244-10-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2244-13-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2152-14-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/2244-18-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2244-19-0x0000000003770000-0x0000000003771000-memory.dmp

memory/2244-17-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/2152-16-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/2244-21-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2244-22-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2244-23-0x0000000003770000-0x0000000003771000-memory.dmp