Malware Analysis Report

2025-08-05 15:46

Sample ID 240527-xsj9jaed8t
Target 2024-05-27_44f7c2d17f426caebb6f5ebf16cff96e_hacktools_xiaoba
SHA256 499a2d0ac164f8efce97c01f80c980d7e7e25de6e69ce0a44d03d022d5c69c2a
Tags
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

499a2d0ac164f8efce97c01f80c980d7e7e25de6e69ce0a44d03d022d5c69c2a

Threat Level: Shows suspicious behavior

The file 2024-05-27_44f7c2d17f426caebb6f5ebf16cff96e_hacktools_xiaoba was found to be: Shows suspicious behavior.

Malicious Activity Summary


Executes dropped EXE

Loads dropped DLL

Unsigned PE

Program crash

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-27 19:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-27 19:06

Reported

2024-05-27 19:09

Platform

win7-20240221-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-27_44f7c2d17f426caebb6f5ebf16cff96e_hacktools_xiaoba.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f768cf4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-27_44f7c2d17f426caebb6f5ebf16cff96e_hacktools_xiaoba.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-27_44f7c2d17f426caebb6f5ebf16cff96e_hacktools_xiaoba.exe"

C:\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f768cf4.exe

C:\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f768cf4.exe 259427587

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 600

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.ip138.com udp
FR 138.113.100.16:80 www.ip138.com tcp
FR 138.113.100.16:443 www.ip138.com tcp

Files

memory/2212-1-0x0000000000400000-0x00000000007A5000-memory.dmp

memory/2212-0-0x0000000000400000-0x00000000007A5000-memory.dmp

\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f768cf4.exe

MD5 9b377d5f43885d5bdecf8489676a3b01
SHA1 7abfacc647f88364aba2e1fb46dcd6e33c7d0b69
SHA256 98bfd272141531a0dc0a3250395b0d35e4009064130d822fbacc16a90dca8101
SHA512 40cbc18453cc717ac0b0bfddea99011a7985f6fe9ba60a9e9d553335702995a8632b3248478cafa8ee88984a3e5f56fefcb7bd226520a674b319b3c28092099e

memory/2428-11-0x0000000000400000-0x00000000007A5000-memory.dmp

memory/2428-13-0x00000000764ED000-0x00000000764EE000-memory.dmp

memory/2212-12-0x00000000027B0000-0x0000000002B55000-memory.dmp

memory/2212-14-0x0000000000400000-0x00000000007A5000-memory.dmp

memory/2428-43-0x0000000000400000-0x00000000007A5000-memory.dmp

memory/2428-44-0x00000000764ED000-0x00000000764EE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-27 19:06

Reported

2024-05-27 19:09

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-27_44f7c2d17f426caebb6f5ebf16cff96e_hacktools_xiaoba.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-27_44f7c2d17f426caebb6f5ebf16cff96e_hacktools_xiaoba.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-27_44f7c2d17f426caebb6f5ebf16cff96e_hacktools_xiaoba.exe"

C:\Users\Admin\AppData\Local\Temp\ÅäÖÃ\e580402.exe

C:\Users\Admin\AppData\Local\Temp\ÅäÖÃ\e580402.exe 240649234

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 688 -ip 688

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 2068

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3716 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 130.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 www.ip138.com udp
FR 138.113.100.16:80 www.ip138.com tcp
FR 138.113.100.16:443 www.ip138.com tcp
US 8.8.8.8:53 16.100.113.138.in-addr.arpa udp
US 8.8.8.8:53 226.20.18.104.in-addr.arpa udp
US 8.8.8.8:53 226.21.18.104.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
FR 142.250.201.170:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 pki.goog udp
US 8.8.8.8:53 pki.goog udp
US 216.239.32.29:80 pki.goog tcp
US 8.8.8.8:53 29.32.239.216.in-addr.arpa udp
US 8.8.8.8:53 170.201.250.142.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 28.173.189.20.in-addr.arpa udp

Files

memory/4188-0-0x0000000000400000-0x00000000007A5000-memory.dmp

memory/4188-1-0x0000000000400000-0x00000000007A5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ÅäÖÃ\e580402.exe

MD5 93dad981e9432c6d61aef06fe7838993
SHA1 d32fb1caf886f1658dbbc462d55d382137a63489
SHA256 d0dd02240835e9752c2e1de85dce15c514401913485de528129f5feaf157d2af
SHA512 6635a8d22da92000b1266fe66ccc4a9668e9465a6b7e4342d7864a457d4e34bc60c410c60b9ac2c842607239c3590df44c13d4f924c8c0cead5afc96b04b1e45

memory/4188-7-0x0000000000400000-0x00000000007A5000-memory.dmp

memory/688-17-0x000000007750A000-0x000000007750B000-memory.dmp

memory/688-21-0x0000000000400000-0x00000000007A5000-memory.dmp

memory/688-22-0x0000000000400000-0x00000000007A5000-memory.dmp