Malware Analysis Report

2025-06-16 07:35

Sample ID 240601-ysymlaec59
Target 8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118
SHA256 16d4c98190d14903d90fdf5dbf423de9cd6309151b9d94d929c1f7264846e24f
Tags
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

16d4c98190d14903d90fdf5dbf423de9cd6309151b9d94d929c1f7264846e24f

Threat Level: Shows suspicious behavior

The file 8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary


Executes dropped EXE

Loads dropped DLL

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-01 20:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-01 20:03

Reported

2024-06-01 20:06

Platform

win7-20231129-en

Max time kernel

140s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-NN4SF.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp N/A

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-NN4SF.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2216 wrote to memory of 784 N/A C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-NN4SF.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp
PID 2216 wrote to memory of 784 N/A C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-NN4SF.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp
PID 2216 wrote to memory of 784 N/A C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-NN4SF.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp
PID 2216 wrote to memory of 784 N/A C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-NN4SF.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp
PID 2216 wrote to memory of 784 N/A C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-NN4SF.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp
PID 2216 wrote to memory of 784 N/A C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-NN4SF.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp
PID 2216 wrote to memory of 784 N/A C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-NN4SF.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\is-NN4SF.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp

"C:\Users\Admin\AppData\Local\Temp\is-NN4SF.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp" /SL5="$4001C,2842439,70144,C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe"

Network

N/A

Files

memory/2216-2-0x0000000000401000-0x000000000040D000-memory.dmp

memory/2216-0-0x0000000000400000-0x0000000000418000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-NN4SF.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp

MD5 e7106fbf42fbc6d5b08a18ada4f781b4
SHA1 36d4a629f79d772c0b0df8bd2ae2ea09108d239d
SHA256 64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635
SHA512 adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

memory/784-9-0x0000000000400000-0x0000000000536000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-3LHDB.tmp\_isetup\_shfoldr.dll

MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

\Users\Admin\AppData\Local\Temp\is-3LHDB.tmp\DownLib.dll

MD5 db25dfdd4c1f2b65c68a230881072695
SHA1 94cd6a3438041f0e61b0a1bea7b66461854efe69
SHA256 1b66aaf1e7e3c493dd96af3b7442ea60072f6e93ba45281eacd31a14ca7e7e73
SHA512 db69e4ab2218856e5184d9094e7e39705b83e3efdc15225067205c8faf6e5836145364f1d509192defa3b48864e72b9f8c0f2dc53a7adb2b86c655318b7afc2c

memory/784-22-0x00000000002E0000-0x0000000000317000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-3LHDB.tmp\setupcfg.ini

MD5 8797442992cb261851c17db50482427b
SHA1 126c67e62be5437a053405a97f53eeb96e785e5d
SHA256 31163d158962807e6a851cf5a49d74bc152ccb1358f1e9381ccd8daa2fb6ee62
SHA512 195a76db0be0a3a46be5f4a63abf10cf58f756d6dace7fca98d27407722f45661a1f8cd17da145cb9ec5ab51f0baa6862008f1001dbfdc1deea36e61787a4e68

C:\Users\Admin\AppData\Local\Temp\is-3LHDB.tmp\tbr_dots.bmp

MD5 adc799ec79eeaef366ea4dddf099c3ae
SHA1 556c915615a34a2499604b7b732ab304b20fdd4e
SHA256 7e7f18c73560f9c020abe1ab1f22705083281e2ea16ab0030fc927901b5b5d1e
SHA512 76962a17cc26d3f9886828be4e43373ac530165e1c627272ed7c0bc731133e97608e55d2e31f44592aad0d0974352155f41a0718aa0666ec128406b1050c1d6c

C:\Users\Admin\AppData\Local\Temp\is-3LHDB.tmp\RI_AfterDot.bmp

MD5 7ccd5a0af4da51cf4962f184fcf9456a
SHA1 de37f4521fa7fee49b37898f4136728e8971ee0f
SHA256 8f2374b30622dfae1fd0b9706520de34c5e1597c1531fddbff65bc0201132ac7
SHA512 d7c4fbc6a4413dc457400fa2e026dea5d639a5b413164cc6939284c46bb46b6ae8ff10184ba2da4f32ace89646b026400db2a49dd9894d71e88d003a91c8267a

memory/2216-191-0x0000000000400000-0x0000000000418000-memory.dmp

memory/784-193-0x00000000002E0000-0x0000000000317000-memory.dmp

memory/784-192-0x0000000000400000-0x0000000000536000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 20:03

Reported

2024-06-01 20:06

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-ASSUP.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\is-ASSUP.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp

"C:\Users\Admin\AppData\Local\Temp\is-ASSUP.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp" /SL5="$A0044,2842439,70144,C:\Users\Admin\AppData\Local\Temp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 81.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 16.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 107.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/4636-1-0x0000000000400000-0x0000000000418000-memory.dmp

memory/4636-2-0x0000000000401000-0x000000000040D000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-ASSUP.tmp\8b9c99524dc7624b7a471804d901e4a8_JaffaCakes118.tmp

MD5 e7106fbf42fbc6d5b08a18ada4f781b4
SHA1 36d4a629f79d772c0b0df8bd2ae2ea09108d239d
SHA256 64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635
SHA512 adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

memory/2272-7-0x0000000000400000-0x0000000000536000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-5LFRJ.tmp\DownLib.dll

MD5 db25dfdd4c1f2b65c68a230881072695
SHA1 94cd6a3438041f0e61b0a1bea7b66461854efe69
SHA256 1b66aaf1e7e3c493dd96af3b7442ea60072f6e93ba45281eacd31a14ca7e7e73
SHA512 db69e4ab2218856e5184d9094e7e39705b83e3efdc15225067205c8faf6e5836145364f1d509192defa3b48864e72b9f8c0f2dc53a7adb2b86c655318b7afc2c

memory/2272-20-0x0000000003AF0000-0x0000000003B27000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-5LFRJ.tmp\setupcfg.ini

MD5 8797442992cb261851c17db50482427b
SHA1 126c67e62be5437a053405a97f53eeb96e785e5d
SHA256 31163d158962807e6a851cf5a49d74bc152ccb1358f1e9381ccd8daa2fb6ee62
SHA512 195a76db0be0a3a46be5f4a63abf10cf58f756d6dace7fca98d27407722f45661a1f8cd17da145cb9ec5ab51f0baa6862008f1001dbfdc1deea36e61787a4e68

C:\Users\Admin\AppData\Local\Temp\is-5LFRJ.tmp\tbr_dots.bmp

MD5 adc799ec79eeaef366ea4dddf099c3ae
SHA1 556c915615a34a2499604b7b732ab304b20fdd4e
SHA256 7e7f18c73560f9c020abe1ab1f22705083281e2ea16ab0030fc927901b5b5d1e
SHA512 76962a17cc26d3f9886828be4e43373ac530165e1c627272ed7c0bc731133e97608e55d2e31f44592aad0d0974352155f41a0718aa0666ec128406b1050c1d6c

C:\Users\Admin\AppData\Local\Temp\is-5LFRJ.tmp\RI_AfterDot.bmp

MD5 7ccd5a0af4da51cf4962f184fcf9456a
SHA1 de37f4521fa7fee49b37898f4136728e8971ee0f
SHA256 8f2374b30622dfae1fd0b9706520de34c5e1597c1531fddbff65bc0201132ac7
SHA512 d7c4fbc6a4413dc457400fa2e026dea5d639a5b413164cc6939284c46bb46b6ae8ff10184ba2da4f32ace89646b026400db2a49dd9894d71e88d003a91c8267a

memory/4636-190-0x0000000000400000-0x0000000000418000-memory.dmp

memory/2272-191-0x0000000000400000-0x0000000000536000-memory.dmp

memory/2272-192-0x0000000003AF0000-0x0000000003B27000-memory.dmp