Malware Analysis Report

2025-08-05 09:41

Sample ID 240611-bkfeqayama
Target 9c88ef314198e272d24351042bb9d482_JaffaCakes118
SHA256 99dc4e5d4ff04a5d2d59707f570c237f74c50eaf37f4671d04906e805e767508
Tags
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

99dc4e5d4ff04a5d2d59707f570c237f74c50eaf37f4671d04906e805e767508

Threat Level: Shows suspicious behavior

The file 9c88ef314198e272d24351042bb9d482_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx

UPX packed file

Enumerates connected drives

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-11 01:11

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-11 01:11

Reported

2024-06-11 01:14

Platform

win7-20231129-en

Max time kernel

140s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\sample.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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\b: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\a: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

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

Processes

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

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

Network

N/A

Files

memory/2820-0-0x0000000000400000-0x0000000000586000-memory.dmp

memory/2820-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/2820-2-0x0000000000400000-0x0000000000586000-memory.dmp

memory/2820-4-0x00000000001C0000-0x00000000001C1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 01:11

Reported

2024-06-11 01:14

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\sample.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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\a: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\b: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\sample.exe N/A

Enumerates physical storage devices

Processes

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

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

Network

Files

memory/1012-0-0x0000000000400000-0x0000000000586000-memory.dmp

memory/1012-1-0x0000000002440000-0x0000000002441000-memory.dmp

memory/1012-2-0x0000000000400000-0x0000000000586000-memory.dmp

memory/1012-4-0x0000000002440000-0x0000000002441000-memory.dmp