Malware Analysis Report

2025-01-03 09:27

Sample ID 240604-v2zdpsef45
Target 20e5fd1879af4adcaa75155e32bc668b4e6853483948d72e93127a81c17d46ee
SHA256 20e5fd1879af4adcaa75155e32bc668b4e6853483948d72e93127a81c17d46ee
Tags
bootkit persistence
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

20e5fd1879af4adcaa75155e32bc668b4e6853483948d72e93127a81c17d46ee

Threat Level: Shows suspicious behavior

The file 20e5fd1879af4adcaa75155e32bc668b4e6853483948d72e93127a81c17d46ee was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Loads dropped DLL

Writes to the Master Boot Record (MBR)

Enumerates physical storage devices

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-04 17:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 17:29

Reported

2024-06-04 17:32

Platform

win7-20240508-en

Max time kernel

127s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20e5fd1879af4adcaa75155e32bc668b4e6853483948d72e93127a81c17d46ee.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\20e5fd1879af4adcaa75155e32bc668b4e6853483948d72e93127a81c17d46ee.exe

"C:\Users\Admin\AppData\Local\Temp\20e5fd1879af4adcaa75155e32bc668b4e6853483948d72e93127a81c17d46ee.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 zhushou.ludashi.com udp
CN 120.27.83.10:80 zhushou.ludashi.com tcp
US 8.8.8.8:53 s.ludashi.com udp
CN 139.224.193.172:80 s.ludashi.com tcp
CN 120.27.83.10:80 zhushou.ludashi.com tcp
CN 139.224.193.172:80 s.ludashi.com tcp
US 8.8.8.8:53 l.public.ludashi.com udp
CN 118.190.210.73:80 l.public.ludashi.com tcp
CN 139.224.193.172:80 s.ludashi.com tcp
CN 139.224.193.172:80 s.ludashi.com tcp
CN 139.224.193.172:80 s.ludashi.com tcp
CN 139.224.193.172:80 s.ludashi.com tcp
CN 139.224.193.172:80 s.ludashi.com tcp

Files

\Users\Admin\AppData\Local\Temp\{11F04BCC-5ECB-409b-87A0-10C1F2800168}.tmp\7z.dll

MD5 a46135bdd574092d85955070e72d5aad
SHA1 aad137b0a883fea22b7118778512ffc7865513bc
SHA256 aa57160684feb240a85da677caaf7cf6a08b7349d89ae9cb4a3476884d80aac5
SHA512 72188f348d9ae33e2b5a7886c80667cc3015bfac170249537baa9e31abf8d63ca198903206feb64887f1d509a1b9bfc9f54ede8b3aa26bee3f5c4375e5c6a24b

\Users\Admin\AppData\Local\LDSGameMaster\Store\360Base\360NetUL.dll

MD5 cd03029957ebc78c0ca7a6c02a9ca846
SHA1 0044114b8073781479044f0294701be9611be2ac
SHA256 139fdd92e6ddf1aac0761a68502b374daa32e82039621018511dc491ed9b4048
SHA512 14c641cb9536def0ddc1969d50b97b83a23017c97373e3ad74d3fbf9825ac81f3fdf8169281c8ad4cebd45d9c9ae05f752d553ba4653e620889b274479cb7c32

\Users\Admin\AppData\Local\LDSGameMaster\Store\360Base\Utils\LDSBasic.dll

MD5 c35ab236702291f1a2d090af8ea253d9
SHA1 d7f58f0f5fee6b26564af3c5d7ab6defe5a4608d
SHA256 c4dba892a9a1fb675d06dd615c4fc079e9f4e12a8368e8bd18e37137ed567f35
SHA512 87a3fa1927ad2fad117055411a471be95275a4d4bf99ee3ab522faee70067b239bb77ddd94c4300958607efd4a3fc071df2262754557fca2530e70f2c438a068

memory/1576-34-0x00000000029A0000-0x00000000029A1000-memory.dmp

memory/1576-35-0x00000000029A0000-0x00000000029A1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 17:29

Reported

2024-06-04 17:32

Platform

win10v2004-20240426-en

Max time kernel

127s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20e5fd1879af4adcaa75155e32bc668b4e6853483948d72e93127a81c17d46ee.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\20e5fd1879af4adcaa75155e32bc668b4e6853483948d72e93127a81c17d46ee.exe

"C:\Users\Admin\AppData\Local\Temp\20e5fd1879af4adcaa75155e32bc668b4e6853483948d72e93127a81c17d46ee.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 s.ludashi.com udp
US 8.8.8.8:53 zhushou.ludashi.com udp
CN 139.224.193.172:80 s.ludashi.com tcp
CN 120.27.83.10:80 zhushou.ludashi.com tcp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
CN 120.27.83.10:80 zhushou.ludashi.com tcp
CN 139.224.193.172:80 s.ludashi.com tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 l.public.ludashi.com udp
CN 118.190.210.73:80 l.public.ludashi.com tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
CN 139.224.193.172:80 s.ludashi.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
CN 139.224.193.172:80 s.ludashi.com tcp
CN 139.224.193.172:80 s.ludashi.com tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
CN 139.224.193.172:80 s.ludashi.com tcp
CN 139.224.193.172:80 s.ludashi.com tcp

Files

C:\Users\Admin\AppData\Local\Temp\{55B29035-BFA3-4072-A7C1-D7F93A6B6AE0}.tmp\7z.dll

MD5 a46135bdd574092d85955070e72d5aad
SHA1 aad137b0a883fea22b7118778512ffc7865513bc
SHA256 aa57160684feb240a85da677caaf7cf6a08b7349d89ae9cb4a3476884d80aac5
SHA512 72188f348d9ae33e2b5a7886c80667cc3015bfac170249537baa9e31abf8d63ca198903206feb64887f1d509a1b9bfc9f54ede8b3aa26bee3f5c4375e5c6a24b

C:\Users\Admin\AppData\Local\LDSGameMaster\Store\360Base\360NetUL.dll

MD5 cd03029957ebc78c0ca7a6c02a9ca846
SHA1 0044114b8073781479044f0294701be9611be2ac
SHA256 139fdd92e6ddf1aac0761a68502b374daa32e82039621018511dc491ed9b4048
SHA512 14c641cb9536def0ddc1969d50b97b83a23017c97373e3ad74d3fbf9825ac81f3fdf8169281c8ad4cebd45d9c9ae05f752d553ba4653e620889b274479cb7c32

C:\Users\Admin\AppData\Local\LDSGameMaster\Store\360Base\Utils\LDSBasic.dll

MD5 c35ab236702291f1a2d090af8ea253d9
SHA1 d7f58f0f5fee6b26564af3c5d7ab6defe5a4608d
SHA256 c4dba892a9a1fb675d06dd615c4fc079e9f4e12a8368e8bd18e37137ed567f35
SHA512 87a3fa1927ad2fad117055411a471be95275a4d4bf99ee3ab522faee70067b239bb77ddd94c4300958607efd4a3fc071df2262754557fca2530e70f2c438a068