Malware Analysis Report

2024-10-24 19:58

Sample ID 231028-ynlggaaa64
Target NEAS.7261711d4f2c90a46ae8c035ce124af0.exe
SHA256 cb84a03f862a465993f39d0fe0295e86fd29be1087f5a4520741370dea44531a
Tags
healer mystic redline stas dropper evasion infostealer persistence stealer 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

cb84a03f862a465993f39d0fe0295e86fd29be1087f5a4520741370dea44531a

Threat Level: Known bad

The file NEAS.7261711d4f2c90a46ae8c035ce124af0.exe was found to be: Known bad.

Malicious Activity Summary

healer mystic redline stas dropper evasion infostealer persistence stealer trojan

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Detect Mystic stealer payload

Mystic

RedLine

Healer

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-28 19:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-28 19:55

Reported

2023-10-28 21:21

Platform

win10v2004-20231023-en

Max time kernel

146s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.7261711d4f2c90a46ae8c035ce124af0.exe"

Signatures

Detect Mystic stealer payload

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

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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5105470.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\a5105470.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\a5105470.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\a5105470.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5105470.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\a5105470.exe N/A

Mystic

stealer mystic

RedLine

infostealer redline

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\a5105470.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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\NEAS.7261711d4f2c90a46ae8c035ce124af0.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\v1619372.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5105470.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5105470.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5105470.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 864 wrote to memory of 3380 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7261711d4f2c90a46ae8c035ce124af0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1619372.exe
PID 864 wrote to memory of 3380 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7261711d4f2c90a46ae8c035ce124af0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1619372.exe
PID 864 wrote to memory of 3380 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7261711d4f2c90a46ae8c035ce124af0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1619372.exe
PID 3380 wrote to memory of 2104 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1619372.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5105470.exe
PID 3380 wrote to memory of 2104 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1619372.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5105470.exe
PID 3380 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1619372.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2106397.exe
PID 3380 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1619372.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2106397.exe
PID 3380 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1619372.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2106397.exe
PID 864 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7261711d4f2c90a46ae8c035ce124af0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c3022989.exe
PID 864 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7261711d4f2c90a46ae8c035ce124af0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c3022989.exe
PID 864 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7261711d4f2c90a46ae8c035ce124af0.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c3022989.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.7261711d4f2c90a46ae8c035ce124af0.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.7261711d4f2c90a46ae8c035ce124af0.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1619372.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1619372.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5105470.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5105470.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2106397.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2106397.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c3022989.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c3022989.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 254.105.26.67.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 9.173.189.20.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1619372.exe

MD5 5ac5347b78a882151eaa35ebf0610839
SHA1 8d0d66ab1c7cfe762161cad6d176ec3d6d9c31dc
SHA256 0b3282b7e76ea51965be7eb201a0e9e6c6f44a3ae08e8b99ae34bd51144cfbf7
SHA512 a4b47f7b235dec69716917687f881c28447f8931ab65df379b026434f62c465a6a73f1b7960415778f577b40d2a909b62393639e373abfc0581f8bdade1ed53f

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1619372.exe

MD5 5ac5347b78a882151eaa35ebf0610839
SHA1 8d0d66ab1c7cfe762161cad6d176ec3d6d9c31dc
SHA256 0b3282b7e76ea51965be7eb201a0e9e6c6f44a3ae08e8b99ae34bd51144cfbf7
SHA512 a4b47f7b235dec69716917687f881c28447f8931ab65df379b026434f62c465a6a73f1b7960415778f577b40d2a909b62393639e373abfc0581f8bdade1ed53f

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5105470.exe

MD5 e8b654ed62ed813c48ae2816c1f35398
SHA1 daef847a8fcad3c671e96377f5747be1f8b71791
SHA256 ce41ae3b40d1f56da99216343f3094f230e742cdddecf60f16d61fe5703dca9b
SHA512 012a06ed877f9bf07da78b1800a61187c5dc12e4798b10b64822e786a792bbcd54982e79b658560e1222d14f105f3c2dc2257e91e7c79cac0958e84d5a29e892

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5105470.exe

MD5 e8b654ed62ed813c48ae2816c1f35398
SHA1 daef847a8fcad3c671e96377f5747be1f8b71791
SHA256 ce41ae3b40d1f56da99216343f3094f230e742cdddecf60f16d61fe5703dca9b
SHA512 012a06ed877f9bf07da78b1800a61187c5dc12e4798b10b64822e786a792bbcd54982e79b658560e1222d14f105f3c2dc2257e91e7c79cac0958e84d5a29e892

memory/2104-14-0x0000000000F40000-0x0000000000F4A000-memory.dmp

memory/2104-15-0x00007FFB108B0000-0x00007FFB11371000-memory.dmp

memory/2104-17-0x00007FFB108B0000-0x00007FFB11371000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2106397.exe

MD5 fcd6cbbaec48e6fa3010332c2b1bcc06
SHA1 b0b9cc1ad8d63fa8d6e35c5ae40d8026c046b6f9
SHA256 923ce2f85b02d95b6f72e6c62148514e0fa792d15fcb3cffcddbb9af11656d3e
SHA512 f1299735ec9298765c44255d14f7eae8f8a59cce1e8f0ccec97d9a65c8c55482b817bce5f96c431216d02e1634c899fbc7b8600d7b9f0f43dcbd1aaa346843c6

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2106397.exe

MD5 fcd6cbbaec48e6fa3010332c2b1bcc06
SHA1 b0b9cc1ad8d63fa8d6e35c5ae40d8026c046b6f9
SHA256 923ce2f85b02d95b6f72e6c62148514e0fa792d15fcb3cffcddbb9af11656d3e
SHA512 f1299735ec9298765c44255d14f7eae8f8a59cce1e8f0ccec97d9a65c8c55482b817bce5f96c431216d02e1634c899fbc7b8600d7b9f0f43dcbd1aaa346843c6

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c3022989.exe

MD5 e6b8e5806b67ab3bc67054131bb6a4a0
SHA1 38c5fdcfcc10e4ac6c6f3a951e70e6e4967469a9
SHA256 e4828a31a370a2902f2896f1b9b0f72bede4f71981a1afe368efb1d4b9ea45ee
SHA512 860827056d760f92f8a8076e5783d5ed643180f7beb86aab8d2973fa2142b9e0b11d3911a333802038ce7ec26a0c1ef37bbb923f1f5095dc1f1bc0001a669d51

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c3022989.exe

MD5 e6b8e5806b67ab3bc67054131bb6a4a0
SHA1 38c5fdcfcc10e4ac6c6f3a951e70e6e4967469a9
SHA256 e4828a31a370a2902f2896f1b9b0f72bede4f71981a1afe368efb1d4b9ea45ee
SHA512 860827056d760f92f8a8076e5783d5ed643180f7beb86aab8d2973fa2142b9e0b11d3911a333802038ce7ec26a0c1ef37bbb923f1f5095dc1f1bc0001a669d51

memory/2024-24-0x0000000000FB0000-0x0000000000FE0000-memory.dmp

memory/2024-25-0x00000000744C0000-0x0000000074C70000-memory.dmp

memory/2024-26-0x0000000003290000-0x0000000003296000-memory.dmp

memory/2024-27-0x000000000B410000-0x000000000BA28000-memory.dmp

memory/2024-28-0x000000000AF60000-0x000000000B06A000-memory.dmp

memory/2024-30-0x000000000AEA0000-0x000000000AEB2000-memory.dmp

memory/2024-29-0x0000000005A20000-0x0000000005A30000-memory.dmp

memory/2024-31-0x000000000AF00000-0x000000000AF3C000-memory.dmp

memory/2024-32-0x000000000B070000-0x000000000B0BC000-memory.dmp

memory/2024-33-0x00000000744C0000-0x0000000074C70000-memory.dmp

memory/2024-34-0x0000000005A20000-0x0000000005A30000-memory.dmp