Malware Analysis Report

2025-08-10 23:11

Sample ID 230423-zxdnnafh63
Target 3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2
SHA256 3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2
Tags
discovery evasion persistence spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2

Threat Level: Known bad

The file 3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2 was found to be: Known bad.

Malicious Activity Summary

discovery evasion persistence spyware stealer trojan

Modifies Windows Defender Real-time Protection settings

Executes dropped EXE

Windows security modification

Reads user/profile data of web browsers

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-23 21:05

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-23 21:05

Reported

2023-04-23 21:08

Platform

win10v2004-20230221-en

Max time kernel

95s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2.exe"

Signatures

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe N/A

Reads user/profile data of web browsers

spyware stealer

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe N/A

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce C:\Users\Admin\AppData\Local\Temp\3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2.exe N/A

Checks installed software on the system

discovery

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp043895.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr420039.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4956 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe
PID 4956 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe
PID 4956 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe
PID 1636 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe
PID 1636 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe
PID 1636 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp043895.exe
PID 1636 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp043895.exe
PID 1636 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp043895.exe
PID 4956 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr420039.exe
PID 4956 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr420039.exe
PID 4956 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr420039.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2.exe

"C:\Users\Admin\AppData\Local\Temp\3b5ebfc481620a83cb0d0de8e0f7ff89378342a5c8b0500a9f7412f942e343f2.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp043895.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp043895.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4120 -ip 4120

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 1324

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr420039.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr420039.exe

Network

Country Destination Domain Proto
N/A 185.161.248.142:38452 tcp
US 8.8.8.8:53 142.248.161.185.in-addr.arpa udp
N/A 185.161.248.142:38452 tcp
US 104.208.16.90:443 tcp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe

MD5 b5a1b1e374299282a35d7d36ad9fc4de
SHA1 e3e5087f6cc84ec74091c6d3744f5b808e0a3e87
SHA256 04bdab7620115d29e669e7c9fb55c813b313c60e06ec52107a65c3d4a0b2281e
SHA512 ce8cbad0db77f7f7c66ab9d7e10aa2d9eeedf626a3745a355175905b8fcc7d7c1b7d0e67c61d99a3b34f64d154aa6aa61963ddf7de9fb242f89019c261b507d6

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zidX3399.exe

MD5 b5a1b1e374299282a35d7d36ad9fc4de
SHA1 e3e5087f6cc84ec74091c6d3744f5b808e0a3e87
SHA256 04bdab7620115d29e669e7c9fb55c813b313c60e06ec52107a65c3d4a0b2281e
SHA512 ce8cbad0db77f7f7c66ab9d7e10aa2d9eeedf626a3745a355175905b8fcc7d7c1b7d0e67c61d99a3b34f64d154aa6aa61963ddf7de9fb242f89019c261b507d6

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it035368.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/1196-147-0x0000000000C80000-0x0000000000C8A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp043895.exe

MD5 ae5c2c4d0b6eff00c26363d86a198949
SHA1 97f534128a6f3421ece851faea0554acf8db228d
SHA256 e3b2f6492ac312aa7fc399c736873c1a93c514371d227c71ffe092d898f3f814
SHA512 fd0ff8d546e1cd539a3183f7025bd0ee23dc4231750f716d0d08eeaf33904a7844f7b02e2cdf38b72ae5fac0d3af6a6c2f3ed2e1e44ae8035b0e283197aa2a8f

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp043895.exe

MD5 ae5c2c4d0b6eff00c26363d86a198949
SHA1 97f534128a6f3421ece851faea0554acf8db228d
SHA256 e3b2f6492ac312aa7fc399c736873c1a93c514371d227c71ffe092d898f3f814
SHA512 fd0ff8d546e1cd539a3183f7025bd0ee23dc4231750f716d0d08eeaf33904a7844f7b02e2cdf38b72ae5fac0d3af6a6c2f3ed2e1e44ae8035b0e283197aa2a8f

memory/4120-153-0x0000000007160000-0x0000000007704000-memory.dmp

memory/4120-154-0x0000000002D50000-0x0000000002D96000-memory.dmp

memory/4120-155-0x0000000007110000-0x0000000007120000-memory.dmp

memory/4120-156-0x0000000007110000-0x0000000007120000-memory.dmp

memory/4120-157-0x0000000007110000-0x0000000007120000-memory.dmp

memory/4120-158-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-159-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-161-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-163-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-165-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-167-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-169-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-171-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-173-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-175-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-177-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-179-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-181-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-183-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-185-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-187-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-189-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-191-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-193-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-197-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-195-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-199-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-201-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-203-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-205-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-207-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-209-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-211-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-213-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-215-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-217-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-219-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-221-0x0000000007750000-0x0000000007785000-memory.dmp

memory/4120-950-0x0000000009C60000-0x000000000A278000-memory.dmp

memory/4120-951-0x000000000A320000-0x000000000A332000-memory.dmp

memory/4120-952-0x000000000A340000-0x000000000A44A000-memory.dmp

memory/4120-953-0x000000000A460000-0x000000000A49C000-memory.dmp

memory/4120-954-0x0000000007110000-0x0000000007120000-memory.dmp

memory/4120-955-0x000000000A760000-0x000000000A7C6000-memory.dmp

memory/4120-956-0x000000000AE20000-0x000000000AEB2000-memory.dmp

memory/4120-957-0x000000000AFF0000-0x000000000B066000-memory.dmp

memory/4120-958-0x000000000B0C0000-0x000000000B282000-memory.dmp

memory/4120-959-0x000000000B2A0000-0x000000000B7CC000-memory.dmp

memory/4120-960-0x000000000B850000-0x000000000B86E000-memory.dmp

memory/4120-961-0x0000000006C00000-0x0000000006C50000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr420039.exe

MD5 8c80b06d843bd6a7599a5be2075d9a55
SHA1 caf86cf2f908f6ac64b8d4788bc61aaaf672f9f2
SHA256 e794f573618cef6be742a0f574f179aa1087b51c4ec23bcf7faa16415028850e
SHA512 cd902bd2607ee797a60f615c550304e45ff59f2313cbb596b50fae913eae481987a8bde0a83587b153192eeb97514f281864c5fb3db4dc128453d507c5aeeded

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr420039.exe

MD5 8c80b06d843bd6a7599a5be2075d9a55
SHA1 caf86cf2f908f6ac64b8d4788bc61aaaf672f9f2
SHA256 e794f573618cef6be742a0f574f179aa1087b51c4ec23bcf7faa16415028850e
SHA512 cd902bd2607ee797a60f615c550304e45ff59f2313cbb596b50fae913eae481987a8bde0a83587b153192eeb97514f281864c5fb3db4dc128453d507c5aeeded

memory/4620-968-0x0000000000960000-0x0000000000988000-memory.dmp

memory/4620-969-0x00000000076A0000-0x00000000076B0000-memory.dmp