Malware Analysis Report

2025-08-10 23:10

Sample ID 230423-zms1lahd7t
Target d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a
SHA256 d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a
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

d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a

Threat Level: Known bad

The file d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a 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

Adds Run key to start application

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-23 20:50

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-23 20:50

Reported

2023-04-23 20:53

Platform

win10v2004-20230221-en

Max time kernel

62s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a.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\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr793578.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\pr793578.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\pr793578.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr793578.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\pr793578.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr793578.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\pr793578.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr793578.exe N/A

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Adds Run key to start application

persistence
Description Indicator Process Target
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\un879104.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce C:\Users\Admin\AppData\Local\Temp\d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a.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\d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.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\pr793578.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu137750.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si605853.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2436 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe
PID 2436 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe
PID 2436 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe
PID 4780 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr793578.exe
PID 4780 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr793578.exe
PID 4780 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr793578.exe
PID 4780 wrote to memory of 4052 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu137750.exe
PID 4780 wrote to memory of 4052 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu137750.exe
PID 4780 wrote to memory of 4052 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu137750.exe
PID 2436 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si605853.exe
PID 2436 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si605853.exe
PID 2436 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si605853.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a.exe

"C:\Users\Admin\AppData\Local\Temp\d3581c31be39f700770e3accfe1b1a65a80cfb96f87a09e3f6252567c2339e1a.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr793578.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr793578.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1904 -ip 1904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu137750.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu137750.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4052 -ip 4052

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 1320

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si605853.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si605853.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 117.18.237.29:80 tcp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.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
N/A 185.161.248.142:38452 tcp
US 40.77.2.164:443 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 52.168.112.66:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 93.184.221.240:80 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe

MD5 f1dd48a2bbb537b89cbccf841271e61b
SHA1 fd7e68bedbe6f743d08e64a937e46c64fa690e23
SHA256 a0e89caeac76c3da01e0d4b5104b570f1560b53cbab9fd35c554b1085f0d08ff
SHA512 7836c3bbaf21016178c7f4884d374664910e38a245d01e296d889cd2e709361996573e0987534a41fa0cf1f8b91c8112f2117544d157dd941bc3d2f359457371

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un879104.exe

MD5 f1dd48a2bbb537b89cbccf841271e61b
SHA1 fd7e68bedbe6f743d08e64a937e46c64fa690e23
SHA256 a0e89caeac76c3da01e0d4b5104b570f1560b53cbab9fd35c554b1085f0d08ff
SHA512 7836c3bbaf21016178c7f4884d374664910e38a245d01e296d889cd2e709361996573e0987534a41fa0cf1f8b91c8112f2117544d157dd941bc3d2f359457371

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr793578.exe

MD5 2291e857827bd9acbccab089a1b18071
SHA1 b1db9aec44b78256754bd87d71b79859f68209af
SHA256 e9a631f6229b40f0e485a7fd832e8ee08cbd72a8b87009c4059696b03c1544c0
SHA512 fa520e06f4b32f842b39d321b0c9a92f96ecd330534d1f6b698ad3777df4fbe9ed842faafc1e1892580d7220393faa6809f8f71b78b7bc21dd39ece9d42c4e77

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr793578.exe

MD5 2291e857827bd9acbccab089a1b18071
SHA1 b1db9aec44b78256754bd87d71b79859f68209af
SHA256 e9a631f6229b40f0e485a7fd832e8ee08cbd72a8b87009c4059696b03c1544c0
SHA512 fa520e06f4b32f842b39d321b0c9a92f96ecd330534d1f6b698ad3777df4fbe9ed842faafc1e1892580d7220393faa6809f8f71b78b7bc21dd39ece9d42c4e77

memory/1904-148-0x0000000002BE0000-0x0000000002C0D000-memory.dmp

memory/1904-149-0x0000000004D10000-0x0000000004D20000-memory.dmp

memory/1904-151-0x00000000072C0000-0x0000000007864000-memory.dmp

memory/1904-150-0x0000000004D10000-0x0000000004D20000-memory.dmp

memory/1904-152-0x0000000004D10000-0x0000000004D20000-memory.dmp

memory/1904-153-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-154-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-156-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-158-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-160-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-162-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-164-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-166-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-168-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-170-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-172-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-174-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-176-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-178-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-180-0x0000000004D20000-0x0000000004D32000-memory.dmp

memory/1904-181-0x0000000000400000-0x0000000002BAE000-memory.dmp

memory/1904-182-0x0000000004D10000-0x0000000004D20000-memory.dmp

memory/1904-183-0x0000000004D10000-0x0000000004D20000-memory.dmp

memory/1904-185-0x0000000000400000-0x0000000002BAE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu137750.exe

MD5 69f286e66adc9aef41b552bb6f701e7a
SHA1 d85ebb6e915e8661712431592f43cf1eb349f937
SHA256 9e0c680bae2bdb86190c9c86ba2d86cf475e011b7fd4376373e02c8ad48184fe
SHA512 63db0170f3329195f1e251cd8a54281ceb3d555e54b52c35d152e232007a3a03a12141a495b1f2da821b0365dca598b7ea2bcea3750ecb938ac2650cffdd5c52

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu137750.exe

MD5 69f286e66adc9aef41b552bb6f701e7a
SHA1 d85ebb6e915e8661712431592f43cf1eb349f937
SHA256 9e0c680bae2bdb86190c9c86ba2d86cf475e011b7fd4376373e02c8ad48184fe
SHA512 63db0170f3329195f1e251cd8a54281ceb3d555e54b52c35d152e232007a3a03a12141a495b1f2da821b0365dca598b7ea2bcea3750ecb938ac2650cffdd5c52

memory/4052-190-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-191-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-193-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-195-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-197-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-199-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-201-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-203-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-204-0x0000000002D40000-0x0000000002D86000-memory.dmp

memory/4052-206-0x0000000007250000-0x0000000007260000-memory.dmp

memory/4052-207-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-208-0x0000000007250000-0x0000000007260000-memory.dmp

memory/4052-211-0x0000000007250000-0x0000000007260000-memory.dmp

memory/4052-213-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-210-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-215-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-217-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-219-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-221-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-223-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-225-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-227-0x00000000071B0000-0x00000000071E5000-memory.dmp

memory/4052-986-0x0000000009D90000-0x000000000A3A8000-memory.dmp

memory/4052-987-0x000000000A420000-0x000000000A432000-memory.dmp

memory/4052-988-0x000000000A440000-0x000000000A54A000-memory.dmp

memory/4052-989-0x000000000A560000-0x000000000A59C000-memory.dmp

memory/4052-990-0x0000000007250000-0x0000000007260000-memory.dmp

memory/4052-991-0x000000000A860000-0x000000000A8C6000-memory.dmp

memory/4052-992-0x000000000AF30000-0x000000000AFC2000-memory.dmp

memory/4052-993-0x000000000AFF0000-0x000000000B066000-memory.dmp

memory/4052-994-0x000000000B0C0000-0x000000000B282000-memory.dmp

memory/4052-995-0x000000000B2B0000-0x000000000B7DC000-memory.dmp

memory/4052-996-0x000000000BAE0000-0x000000000BAFE000-memory.dmp

memory/4052-997-0x0000000004C30000-0x0000000004C80000-memory.dmp

memory/4052-1002-0x0000000007250000-0x0000000007260000-memory.dmp

memory/4052-1001-0x0000000007250000-0x0000000007260000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si605853.exe

MD5 8c80b06d843bd6a7599a5be2075d9a55
SHA1 caf86cf2f908f6ac64b8d4788bc61aaaf672f9f2
SHA256 e794f573618cef6be742a0f574f179aa1087b51c4ec23bcf7faa16415028850e
SHA512 cd902bd2607ee797a60f615c550304e45ff59f2313cbb596b50fae913eae481987a8bde0a83587b153192eeb97514f281864c5fb3db4dc128453d507c5aeeded

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si605853.exe

MD5 8c80b06d843bd6a7599a5be2075d9a55
SHA1 caf86cf2f908f6ac64b8d4788bc61aaaf672f9f2
SHA256 e794f573618cef6be742a0f574f179aa1087b51c4ec23bcf7faa16415028850e
SHA512 cd902bd2607ee797a60f615c550304e45ff59f2313cbb596b50fae913eae481987a8bde0a83587b153192eeb97514f281864c5fb3db4dc128453d507c5aeeded

memory/3852-1006-0x00000000000D0000-0x00000000000F8000-memory.dmp

memory/3852-1007-0x00000000071D0000-0x00000000071E0000-memory.dmp