Malware Analysis Report

2025-08-05 17:19

Sample ID 230423-3tlfwaab7x
Target a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91
SHA256 a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91
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

a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91

Threat Level: Known bad

The file a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91 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

Reads user/profile data of web browsers

Windows security modification

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Adds Run key to start application

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-23 23:48

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-23 23:48

Reported

2023-04-23 23:50

Platform

win10v2004-20230220-en

Max time kernel

135s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91.exe"

Signatures

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe N/A

Reads user/profile data of web browsers

spyware stealer

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.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\a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91.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\a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.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\un983122.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\pr706958.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu819586.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si681441.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4380 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe
PID 4380 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe
PID 4380 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe
PID 976 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe
PID 976 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe
PID 976 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe
PID 976 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu819586.exe
PID 976 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu819586.exe
PID 976 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu819586.exe
PID 4380 wrote to memory of 1256 N/A C:\Users\Admin\AppData\Local\Temp\a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si681441.exe
PID 4380 wrote to memory of 1256 N/A C:\Users\Admin\AppData\Local\Temp\a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si681441.exe
PID 4380 wrote to memory of 1256 N/A C:\Users\Admin\AppData\Local\Temp\a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si681441.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91.exe

"C:\Users\Admin\AppData\Local\Temp\a4a5526cc16090a8affba57f45b8249f4fe56e4740516a01727ce4b726b6fd91.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4900 -ip 4900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu819586.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu819586.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 208 -ip 208

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1332

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si681441.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si681441.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
N/A 185.161.248.142:38452 tcp
US 8.8.8.8:53 142.248.161.185.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 34.146.190.20.in-addr.arpa udp
N/A 185.161.248.142:38452 tcp
US 52.152.110.14:443 tcp
US 104.208.16.88:443 tcp
US 93.184.221.240:80 tcp
NL 173.223.113.164:443 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe

MD5 3be81ce88f6a9c4ffe517a5f65e39adc
SHA1 71875736aabc915d2c825a235bc800129b6081ac
SHA256 a95819f51d8fc78d9b77a0d4f381fc88a49f880d686811170f829f320d5c2255
SHA512 efc5d70d6eda0011505c79ca8c34a8cce54720eb20439043dc3d1e22423c8189338f87e97dd85894ee698cd81da9ae7ebc6da2ac63c6c42e0a910d02fe6336d4

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un983122.exe

MD5 3be81ce88f6a9c4ffe517a5f65e39adc
SHA1 71875736aabc915d2c825a235bc800129b6081ac
SHA256 a95819f51d8fc78d9b77a0d4f381fc88a49f880d686811170f829f320d5c2255
SHA512 efc5d70d6eda0011505c79ca8c34a8cce54720eb20439043dc3d1e22423c8189338f87e97dd85894ee698cd81da9ae7ebc6da2ac63c6c42e0a910d02fe6336d4

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe

MD5 2f8c7d59cc0a2ec84dbf171649bc3833
SHA1 b055b8ec275ce24667d880260767c8367232cbf8
SHA256 7e624779da3da69eb95cba292654fd5d57da3218816de527ec941d08fffc70f1
SHA512 92e27b3684ff1ae2c2d0863770612fafed6bce55438f8add2e023fb41734ebefb957d4da3fb28a4afc8d05321050df6b8be785bb1f352b8c04771b30aac1ffe7

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr706958.exe

MD5 2f8c7d59cc0a2ec84dbf171649bc3833
SHA1 b055b8ec275ce24667d880260767c8367232cbf8
SHA256 7e624779da3da69eb95cba292654fd5d57da3218816de527ec941d08fffc70f1
SHA512 92e27b3684ff1ae2c2d0863770612fafed6bce55438f8add2e023fb41734ebefb957d4da3fb28a4afc8d05321050df6b8be785bb1f352b8c04771b30aac1ffe7

memory/4900-148-0x00000000072D0000-0x0000000007874000-memory.dmp

memory/4900-149-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-150-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-152-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-154-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-156-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-158-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-160-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-163-0x00000000072C0000-0x00000000072D0000-memory.dmp

memory/4900-162-0x0000000002BB0000-0x0000000002BDD000-memory.dmp

memory/4900-167-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-164-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-166-0x00000000072C0000-0x00000000072D0000-memory.dmp

memory/4900-169-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-171-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-173-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-175-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-177-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-179-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

memory/4900-180-0x0000000000400000-0x0000000002BAF000-memory.dmp

memory/4900-182-0x00000000072C0000-0x00000000072D0000-memory.dmp

memory/4900-183-0x00000000072C0000-0x00000000072D0000-memory.dmp

memory/4900-184-0x00000000072C0000-0x00000000072D0000-memory.dmp

memory/4900-185-0x0000000000400000-0x0000000002BAF000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu819586.exe

MD5 dc22d1adefe7a7ef4d8c057bf205fb8c
SHA1 507884738b64d92aa1c004f1fccd5805fedc8224
SHA256 7ff45208fe0115f4bf5951345075d7c7b734d9acc80f69d8688d3234521f7ecc
SHA512 e18f7db5dded1a73321a480924d017b1854ea7b7f464b1cb32dfeeaffa9008167f17b950b66b12790c070c87b1b156fa635a6bf8d4e2d17cb6a14f15e535626e

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu819586.exe

MD5 dc22d1adefe7a7ef4d8c057bf205fb8c
SHA1 507884738b64d92aa1c004f1fccd5805fedc8224
SHA256 7ff45208fe0115f4bf5951345075d7c7b734d9acc80f69d8688d3234521f7ecc
SHA512 e18f7db5dded1a73321a480924d017b1854ea7b7f464b1cb32dfeeaffa9008167f17b950b66b12790c070c87b1b156fa635a6bf8d4e2d17cb6a14f15e535626e

memory/208-190-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-191-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-193-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-195-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-197-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-199-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-201-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-204-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-205-0x00000000072D0000-0x00000000072E0000-memory.dmp

memory/208-203-0x0000000002BD0000-0x0000000002C16000-memory.dmp

memory/208-207-0x00000000072D0000-0x00000000072E0000-memory.dmp

memory/208-209-0x00000000072D0000-0x00000000072E0000-memory.dmp

memory/208-211-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-208-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-213-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-215-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-217-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-219-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-221-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-223-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-225-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-227-0x00000000071F0000-0x0000000007225000-memory.dmp

memory/208-986-0x0000000009D10000-0x000000000A328000-memory.dmp

memory/208-987-0x000000000A330000-0x000000000A342000-memory.dmp

memory/208-988-0x000000000A350000-0x000000000A45A000-memory.dmp

memory/208-989-0x000000000A460000-0x000000000A49C000-memory.dmp

memory/208-990-0x00000000072D0000-0x00000000072E0000-memory.dmp

memory/208-991-0x000000000A760000-0x000000000A7C6000-memory.dmp

memory/208-992-0x000000000AE20000-0x000000000AEB2000-memory.dmp

memory/208-993-0x000000000B130000-0x000000000B1A6000-memory.dmp

memory/208-994-0x000000000B210000-0x000000000B3D2000-memory.dmp

memory/208-995-0x000000000B3E0000-0x000000000B90C000-memory.dmp

memory/208-996-0x000000000B990000-0x000000000B9AE000-memory.dmp

memory/208-997-0x0000000006D10000-0x0000000006D60000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si681441.exe

MD5 ace73b2b1f835de11594ea9a243a9f5c
SHA1 2f929d1f69784fbe499a95b064679a16947bdd84
SHA256 7310c28dc6a24530885da07d08c851b4a6c5aa987d2a44ce53cb73e72235fa49
SHA512 024e1ce3ab37e27c8647d02f79c434e103a84265c97b4773aed1a0b1fd3e8228eab560fc9b6f53b0132575ea855d1da0cd0b6b6e5cd2965f841cf8551c7d138e

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si681441.exe

MD5 ace73b2b1f835de11594ea9a243a9f5c
SHA1 2f929d1f69784fbe499a95b064679a16947bdd84
SHA256 7310c28dc6a24530885da07d08c851b4a6c5aa987d2a44ce53cb73e72235fa49
SHA512 024e1ce3ab37e27c8647d02f79c434e103a84265c97b4773aed1a0b1fd3e8228eab560fc9b6f53b0132575ea855d1da0cd0b6b6e5cd2965f841cf8551c7d138e

memory/1256-1004-0x00000000000C0000-0x00000000000E8000-memory.dmp

memory/1256-1005-0x0000000006E40000-0x0000000006E50000-memory.dmp