Malware Analysis Report

2025-01-06 07:35

Sample ID 240613-fh67wavdnf
Target 84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0
SHA256 84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0
Tags
evasion
score
9/10

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
9/10

SHA256

84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0

Threat Level: Likely malicious

The file 84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0 was found to be: Likely malicious.

Malicious Activity Summary

evasion

Looks for VirtualBox Guest Additions in registry

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 04:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 04:53

Reported

2024-06-13 04:56

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0.exe"

Signatures

Looks for VirtualBox Guest Additions in registry

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions C:\Users\Admin\AppData\Local\Temp\84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0.exe

"C:\Users\Admin\AppData\Local\Temp\84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 config.yunjiasu.kkidc.com udp
US 8.8.8.8:53 config.yunjiasu.kkidc.com udp
US 8.8.8.8:53 config.yunjiasu.kkidc.com udp
CN 110.80.137.104:9501 tcp
CN 110.80.137.104:9501 tcp
CN 110.80.137.104:9501 tcp
US 8.8.8.8:53 httpbin.org udp
US 8.8.8.8:53 config.yunjiasu.kkidc.com udp
CN 110.80.137.104:9501 tcp
CN 103.88.32.177:55146 tcp
CN 117.24.12.219:34650 tcp
CN 125.77.158.194:11400 tcp
CN 45.117.11.54:52730 tcp
CN 45.248.8.194:27223 tcp
CN 103.219.177.29:47194 tcp
US 8.8.8.8:53 config.yunjiasu.kkidc.com udp

Files

C:\Users\Admin\AppData\Local\Temp\yjs_log\log.log

MD5 b1c002b0ef6a5e59a71383fdc3b96b9e
SHA1 aa74a913dc7232da5850ae81627ec6fd283c565d
SHA256 8ebb51888c7c0a222df13a04015ce8755125afe54ce9859bb3acf8214fc05e91
SHA512 552f2d0740858edb23a2326383ae839a478d9e44b204c4a24a7866d626fc381e42f1e8765b01781f0c5e17aae5549b72cf2e865fc4a2132c381cf82c481f151e

C:\Users\Admin\AppData\Local\Temp\yjs_log\log.log

MD5 298b7fb3ab30aea9ea5bbca7333c738f
SHA1 597f1926ae1d0b436552e51738200f8032f15bc3
SHA256 3bb218e7dde915025af6291d2d1a1c36f4b2332b0a904f4f9a02d18c582d3abd
SHA512 b2bee1da83a79460e16eb03fec7a18f40fd25f33ade506fb14d1b0d3b56ffba870d4c0b38ab8e8834eec7333669c0cf7df560a8e7e395f6cb7d8fa5df56a7857

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 04:53

Reported

2024-06-13 04:56

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

54s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0.exe

"C:\Users\Admin\AppData\Local\Temp\84ed3b7a0fad98a8d535661842aca916e91539e76da86937a156da2a7cff43b0.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 config.yunjiasu.kkidc.com udp
CN 110.80.137.104:9501 tcp
CN 110.80.137.104:9501 tcp
CN 110.80.137.104:9501 tcp
US 8.8.8.8:53 httpbin.org udp
US 8.8.8.8:53 config.yunjiasu.kkidc.com udp
CN 110.80.137.104:9501 tcp
CN 103.88.32.177:55146 tcp
CN 117.24.12.219:34650 tcp
CN 125.77.158.194:11400 tcp
CN 45.117.11.54:52730 tcp
CN 45.248.8.194:27223 tcp
CN 103.219.177.29:47194 tcp
CN 110.80.137.104:9501 tcp

Files

C:\Users\Admin\AppData\Local\Temp\yjs_log\log.log

MD5 548601d87463de0e7a05001632fe20a0
SHA1 5366229ccdd0ae49ffc25a39f1296ac8036f097d
SHA256 6705c0fbd294f586d5a0d857a6cc55663c0bdcb688ff0d86e11468f6cf001df1
SHA512 ef80c8c7260fd7ca9cf85de3efc4256160d9918542074750ddf2e0f5c680494271b975fa9fa83fdd7644d0b21001e9f64e9fc34a12d8d9e20550d5047a8c67b1

C:\Users\Admin\AppData\Local\Temp\yjs_log\log.log

MD5 851deca14612c416b821f4a92b996cde
SHA1 235c65858d58167ea231686745789592723e70a3
SHA256 2870cf257805489a583659523554a524b8432f57fca14960ec12fb5b584d9c75
SHA512 88a3d3c019eb0f949aa9eb4263178439af176b207df856a0edb2ef7bacf097074a63cd78981faec0d6b24dd88d6c94b96d09fe737af76aafcfaafd8661c48896

C:\Users\Admin\AppData\Local\Temp\yjs_log\log.log

MD5 080a18ee9ec4fd637b73a28a006787e3
SHA1 d161e90980151f0ef6412b48ee8100f4cf04bb05
SHA256 f31c1d406e52118faa26735d9e1738698a6c47a53ef87b6a02f396a09b2b311c
SHA512 244a21d72a8a336d97c06ba53c489cb486126e1a893446472b2f6400e9f9df72956181a2c7130587b903a54e6b86963fb4d34febc63f557bd3e59a699b7218fe