Malware Analysis Report

2025-08-10 23:10

Sample ID 230423-zs5xcafh47
Target b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98
SHA256 b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98
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

b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98

Threat Level: Known bad

The file b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98 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

Adds Run key to start application

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-23 20:59

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-23 20:59

Reported

2023-04-23 21:02

Platform

win10-20230220-en

Max time kernel

55s

Max time network

57s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it974903.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\it974903.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\it974903.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it974903.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\it974903.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\it974903.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\b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98.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\b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.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\zitb9413.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\it974903.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp771454.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr075071.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3536 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.exe
PID 3536 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.exe
PID 3536 wrote to memory of 1848 N/A C:\Users\Admin\AppData\Local\Temp\b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.exe
PID 1848 wrote to memory of 4380 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it974903.exe
PID 1848 wrote to memory of 4380 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it974903.exe
PID 1848 wrote to memory of 4396 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp771454.exe
PID 1848 wrote to memory of 4396 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp771454.exe
PID 1848 wrote to memory of 4396 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp771454.exe
PID 3536 wrote to memory of 1172 N/A C:\Users\Admin\AppData\Local\Temp\b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr075071.exe
PID 3536 wrote to memory of 1172 N/A C:\Users\Admin\AppData\Local\Temp\b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr075071.exe
PID 3536 wrote to memory of 1172 N/A C:\Users\Admin\AppData\Local\Temp\b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr075071.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98.exe

"C:\Users\Admin\AppData\Local\Temp\b53a92ac4b71d7b18e9d2435caff12da72ba8b0eac6c53b83b8bb6fed4d9fa98.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it974903.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it974903.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp771454.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp771454.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr075071.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr075071.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 8.8.8.8:53 86.8.109.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.exe

MD5 6a4d7a4e8dfec16038c2d2abd04a38e5
SHA1 fc6777d34180adcc27cb1641a9cebeb14e1e25cb
SHA256 e202167e20c6a770066afbdc7209445d2c41b7a6333c7992864e2f6aedd0fce2
SHA512 bc78a722e71250e6f354835130d69ae52808bcee9eedeb5ea8f5f30f42426b9aad7b4f442a3c3914279367a813458b25b3abb951cd14f56887ddea18134a1ec1

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zitb9413.exe

MD5 6a4d7a4e8dfec16038c2d2abd04a38e5
SHA1 fc6777d34180adcc27cb1641a9cebeb14e1e25cb
SHA256 e202167e20c6a770066afbdc7209445d2c41b7a6333c7992864e2f6aedd0fce2
SHA512 bc78a722e71250e6f354835130d69ae52808bcee9eedeb5ea8f5f30f42426b9aad7b4f442a3c3914279367a813458b25b3abb951cd14f56887ddea18134a1ec1

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it974903.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it974903.exe

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

memory/4380-131-0x0000000000100000-0x000000000010A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp771454.exe

MD5 3ea779d7b374a1626bbff7c1da244672
SHA1 1228f9826f26ce537b45e2ac1f85fa44900eff72
SHA256 6ab5a8c6a9fefbb2dee71cd9a050639378362f76765dd92c3f94ca664a9cdcd5
SHA512 fdb5395675c7109949f803942f49e9b014031605e9c583add8a34a8345991a652d5f2c6984f40b0b0fbd5a311e7e368ebba033f246a4d9fb4fe26e0a86159bcb

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp771454.exe

MD5 3ea779d7b374a1626bbff7c1da244672
SHA1 1228f9826f26ce537b45e2ac1f85fa44900eff72
SHA256 6ab5a8c6a9fefbb2dee71cd9a050639378362f76765dd92c3f94ca664a9cdcd5
SHA512 fdb5395675c7109949f803942f49e9b014031605e9c583add8a34a8345991a652d5f2c6984f40b0b0fbd5a311e7e368ebba033f246a4d9fb4fe26e0a86159bcb

memory/4396-137-0x0000000002CA0000-0x0000000002CE6000-memory.dmp

memory/4396-138-0x0000000004880000-0x00000000048BC000-memory.dmp

memory/4396-139-0x00000000072F0000-0x00000000077EE000-memory.dmp

memory/4396-140-0x0000000004A10000-0x0000000004A4A000-memory.dmp

memory/4396-141-0x0000000004CF0000-0x0000000004D00000-memory.dmp

memory/4396-142-0x0000000004CF0000-0x0000000004D00000-memory.dmp

memory/4396-143-0x0000000004CF0000-0x0000000004D00000-memory.dmp

memory/4396-144-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-145-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-147-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-149-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-151-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-153-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-155-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-157-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-159-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-161-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-163-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-165-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-167-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-169-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-171-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-173-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-175-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-177-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-179-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-181-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-183-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-185-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-187-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-189-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-191-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-193-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-195-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-197-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-199-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-201-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-203-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-205-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-207-0x0000000004A10000-0x0000000004A45000-memory.dmp

memory/4396-936-0x0000000009C70000-0x000000000A276000-memory.dmp

memory/4396-937-0x0000000004E30000-0x0000000004E42000-memory.dmp

memory/4396-938-0x000000000A280000-0x000000000A38A000-memory.dmp

memory/4396-939-0x000000000A390000-0x000000000A3CE000-memory.dmp

memory/4396-941-0x000000000A4E0000-0x000000000A52B000-memory.dmp

memory/4396-940-0x0000000004CF0000-0x0000000004D00000-memory.dmp

memory/4396-942-0x000000000A670000-0x000000000A6D6000-memory.dmp

memory/4396-943-0x000000000AD20000-0x000000000ADB2000-memory.dmp

memory/4396-944-0x000000000AEF0000-0x000000000AF66000-memory.dmp

memory/4396-945-0x000000000AFB0000-0x000000000B172000-memory.dmp

memory/4396-946-0x000000000B190000-0x000000000B6BC000-memory.dmp

memory/4396-947-0x000000000B9E0000-0x000000000B9FE000-memory.dmp

memory/4396-949-0x0000000004B90000-0x0000000004BE0000-memory.dmp

memory/4396-952-0x0000000002CA0000-0x0000000002CE6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr075071.exe

MD5 8c80b06d843bd6a7599a5be2075d9a55
SHA1 caf86cf2f908f6ac64b8d4788bc61aaaf672f9f2
SHA256 e794f573618cef6be742a0f574f179aa1087b51c4ec23bcf7faa16415028850e
SHA512 cd902bd2607ee797a60f615c550304e45ff59f2313cbb596b50fae913eae481987a8bde0a83587b153192eeb97514f281864c5fb3db4dc128453d507c5aeeded

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr075071.exe

MD5 8c80b06d843bd6a7599a5be2075d9a55
SHA1 caf86cf2f908f6ac64b8d4788bc61aaaf672f9f2
SHA256 e794f573618cef6be742a0f574f179aa1087b51c4ec23bcf7faa16415028850e
SHA512 cd902bd2607ee797a60f615c550304e45ff59f2313cbb596b50fae913eae481987a8bde0a83587b153192eeb97514f281864c5fb3db4dc128453d507c5aeeded

memory/1172-956-0x00000000007E0000-0x0000000000808000-memory.dmp

memory/1172-957-0x0000000007700000-0x000000000774B000-memory.dmp

memory/1172-958-0x00000000075A0000-0x00000000075B0000-memory.dmp