Malware Analysis Report

2025-08-05 22:18

Sample ID 231003-n1ybpacc47
Target 2854319baf4234aaa1fb4e994a9f25407511239049a7aceea4a7295d666928e2
SHA256 2854319baf4234aaa1fb4e994a9f25407511239049a7aceea4a7295d666928e2
Tags
healer dropper evasion persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2854319baf4234aaa1fb4e994a9f25407511239049a7aceea4a7295d666928e2

Threat Level: Known bad

The file 2854319baf4234aaa1fb4e994a9f25407511239049a7aceea4a7295d666928e2 was found to be: Known bad.

Malicious Activity Summary

healer dropper evasion persistence trojan

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-03 11:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-03 11:52

Reported

2023-10-03 11:55

Platform

win10-20230915-en

Max time kernel

112s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2854319baf4234aaa1fb4e994a9f25407511239049a7aceea4a7295d666928e2.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

Healer

dropper healer

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\IXP003.TMP\1Mq36LP1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe N/A

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\IXP003.TMP\1Mq36LP1.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bW7nF91.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.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\2854319baf4234aaa1fb4e994a9f25407511239049a7aceea4a7295d666928e2.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\Sp8VC05.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3284 set thread context of 2572 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5016 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\2854319baf4234aaa1fb4e994a9f25407511239049a7aceea4a7295d666928e2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sp8VC05.exe
PID 5016 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\2854319baf4234aaa1fb4e994a9f25407511239049a7aceea4a7295d666928e2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sp8VC05.exe
PID 5016 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\2854319baf4234aaa1fb4e994a9f25407511239049a7aceea4a7295d666928e2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sp8VC05.exe
PID 3852 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sp8VC05.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bW7nF91.exe
PID 3852 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sp8VC05.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bW7nF91.exe
PID 3852 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sp8VC05.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bW7nF91.exe
PID 2248 wrote to memory of 3880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bW7nF91.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.exe
PID 2248 wrote to memory of 3880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bW7nF91.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.exe
PID 2248 wrote to memory of 3880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bW7nF91.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.exe
PID 3880 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe
PID 3880 wrote to memory of 4616 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe
PID 3880 wrote to memory of 3284 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe
PID 3880 wrote to memory of 3284 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe
PID 3880 wrote to memory of 3284 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe
PID 3284 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3284 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3284 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3284 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3284 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3284 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3284 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3284 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3284 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3284 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2854319baf4234aaa1fb4e994a9f25407511239049a7aceea4a7295d666928e2.exe

"C:\Users\Admin\AppData\Local\Temp\2854319baf4234aaa1fb4e994a9f25407511239049a7aceea4a7295d666928e2.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sp8VC05.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sp8VC05.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bW7nF91.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bW7nF91.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3284 -s 148

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2572 -s 568

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa udp
US 8.8.8.8:53 217.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sp8VC05.exe

MD5 f1a7f03bfbb59bf487ef259d076a19ab
SHA1 42dd1de8a9d431a1c558d65d6468a2070b762671
SHA256 012c9526092e4f3200b87ad6b1f2596c64beda212b9b4b94d495399b22a35ef3
SHA512 e79a73ca5287c9300b9a25d2a576d89aec6173d590cdab113a4663ecdf30d3da06f92c3ea0b7da3d0a1ccbd79500321881a30f6c6948cf825bdab61616016ff8

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sp8VC05.exe

MD5 f1a7f03bfbb59bf487ef259d076a19ab
SHA1 42dd1de8a9d431a1c558d65d6468a2070b762671
SHA256 012c9526092e4f3200b87ad6b1f2596c64beda212b9b4b94d495399b22a35ef3
SHA512 e79a73ca5287c9300b9a25d2a576d89aec6173d590cdab113a4663ecdf30d3da06f92c3ea0b7da3d0a1ccbd79500321881a30f6c6948cf825bdab61616016ff8

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bW7nF91.exe

MD5 b903f0f37d77996561706308693fb116
SHA1 a1dd2a5cac7cd19c7236a2e5afadeb67235f3fd4
SHA256 d8ba5c74b13e0215c8670028a30fc330d0fa22e485767c97e265eabfa3ac5dc7
SHA512 bae47f56f922c2339fac095f8de6c8552b4816996f192eee92359d8514197b1bc5ae889436d4f792ea64e66b2e9e6954bf90503ee3428a4185757540cfd01a77

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bW7nF91.exe

MD5 b903f0f37d77996561706308693fb116
SHA1 a1dd2a5cac7cd19c7236a2e5afadeb67235f3fd4
SHA256 d8ba5c74b13e0215c8670028a30fc330d0fa22e485767c97e265eabfa3ac5dc7
SHA512 bae47f56f922c2339fac095f8de6c8552b4816996f192eee92359d8514197b1bc5ae889436d4f792ea64e66b2e9e6954bf90503ee3428a4185757540cfd01a77

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.exe

MD5 ca955a58396ae9a4cfd4ca877ab4f260
SHA1 e93abfd2b3ae9d611bd4bc963759ab631ab41c74
SHA256 3974802820fbbfca4ae2fd7df79328e26383626d2dca3f40a2b294f518114e71
SHA512 41deed27324c55cad9b8c5c300617e6256a65aca6a7e541f057b10caf42dbfe276a8fd9855857e0ce2094d9bd67032a567b9e02de5b6de5f49ca2f7394d4fadd

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Qj3ee99.exe

MD5 ca955a58396ae9a4cfd4ca877ab4f260
SHA1 e93abfd2b3ae9d611bd4bc963759ab631ab41c74
SHA256 3974802820fbbfca4ae2fd7df79328e26383626d2dca3f40a2b294f518114e71
SHA512 41deed27324c55cad9b8c5c300617e6256a65aca6a7e541f057b10caf42dbfe276a8fd9855857e0ce2094d9bd67032a567b9e02de5b6de5f49ca2f7394d4fadd

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe

MD5 efe503df4660f601e259680649479d25
SHA1 c4584f364de6895d181e008838cecbf5edb44569
SHA256 b77c5f97f9ff6bbeb61277e064d66b21f5427b6b8c366c7a0f9028aad8413b1e
SHA512 65c12cf1a5b9844c35f43c60e16c4bce44c8878aa367b8dfae398867180283d702fbdaf2f8b5563b6a3f0268f8d4644115ee27694e8d0244e415804aa1a308f4

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Mq36LP1.exe

MD5 efe503df4660f601e259680649479d25
SHA1 c4584f364de6895d181e008838cecbf5edb44569
SHA256 b77c5f97f9ff6bbeb61277e064d66b21f5427b6b8c366c7a0f9028aad8413b1e
SHA512 65c12cf1a5b9844c35f43c60e16c4bce44c8878aa367b8dfae398867180283d702fbdaf2f8b5563b6a3f0268f8d4644115ee27694e8d0244e415804aa1a308f4

memory/4616-28-0x00000000008E0000-0x00000000008EA000-memory.dmp

memory/4616-29-0x00007FFAFF980000-0x00007FFB0036C000-memory.dmp

memory/4616-31-0x00007FFAFF980000-0x00007FFB0036C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe

MD5 93729dd51f21b7c2d4737f47d39e63c2
SHA1 e358d85a6562c9150cc265ed63c6e8eec0d68b0a
SHA256 990009f12a3aa835f9dbfa414f45f70c8c2b142d1f8507bf54acd4daad01add1
SHA512 278004db2da54e0c8de3ae0c4f326068d7f2bf2e7e78f0de4caf43cd1455b2474136cf652e4043606f29f7385b1f3c5b740a4c9de6b777a82a977a939f786d50

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Tp5551.exe

MD5 93729dd51f21b7c2d4737f47d39e63c2
SHA1 e358d85a6562c9150cc265ed63c6e8eec0d68b0a
SHA256 990009f12a3aa835f9dbfa414f45f70c8c2b142d1f8507bf54acd4daad01add1
SHA512 278004db2da54e0c8de3ae0c4f326068d7f2bf2e7e78f0de4caf43cd1455b2474136cf652e4043606f29f7385b1f3c5b740a4c9de6b777a82a977a939f786d50

memory/2572-35-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2572-38-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2572-39-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2572-41-0x0000000000400000-0x0000000000428000-memory.dmp