Malware Analysis Report

2024-12-08 01:21

Sample ID 231111-mdwc5sed33
Target NEAS.4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf.exe
SHA256 4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf
Tags
mystic redline taiga infostealer persistence stealer
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

4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf

Threat Level: Known bad

The file NEAS.4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

Detect Mystic stealer payload

RedLine

RedLine payload

Mystic

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-11 10:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:21

Reported

2023-11-11 10:24

Platform

win10v2004-20231020-en

Max time kernel

142s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf.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
N/A N/A N/A N/A
N/A N/A N/A N/A

Mystic

stealer mystic

RedLine

infostealer redline

RedLine payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Aq66LM.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.4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf.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\Dv9yX63.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3448 wrote to memory of 3684 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe
PID 3448 wrote to memory of 3684 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe
PID 3448 wrote to memory of 3684 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe
PID 3684 wrote to memory of 1388 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe
PID 3684 wrote to memory of 1388 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe
PID 3684 wrote to memory of 1388 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe
PID 1388 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1388 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1388 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1388 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1388 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1388 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1388 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1388 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1388 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1388 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3684 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe
PID 3684 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe
PID 3684 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe
PID 1888 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1888 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1888 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1888 wrote to memory of 3836 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1888 wrote to memory of 3836 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1888 wrote to memory of 3836 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1888 wrote to memory of 3836 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1888 wrote to memory of 3836 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1888 wrote to memory of 3836 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1888 wrote to memory of 3836 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1888 wrote to memory of 3836 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3448 wrote to memory of 3260 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Aq66LM.exe
PID 3448 wrote to memory of 3260 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Aq66LM.exe
PID 3448 wrote to memory of 3260 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Aq66LM.exe
PID 3260 wrote to memory of 3892 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Aq66LM.exe C:\Windows\SysWOW64\cmd.exe
PID 3260 wrote to memory of 3892 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Aq66LM.exe C:\Windows\SysWOW64\cmd.exe
PID 3260 wrote to memory of 3892 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Aq66LM.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.4f806a82b899b9438c737f09265a9655b0ccce02804613832f3bdd28c0cd50cf.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe

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

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2776 -ip 2776

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 540

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

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

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

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

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Aq66LM.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Aq66LM.exe

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 126.178.238.8.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 58.252.72.23.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 252.15.104.51.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe

MD5 2ad594fe35a9fc7dff9272fc5715660b
SHA1 15229f8d0b7527c75075e22c6afc0dd874bab475
SHA256 2bddcbc5e56abe441c7824b1fe481454fdaca44c9ee2de65734a7347de8864a2
SHA512 956218ab67569062a2905934df82d60078622f1f5c068054c8b719c799a2a42b0caaaa5f01a55b26d4c7442e5477d6755d6c494447e1033aa2f8832374e8a541

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Dv9yX63.exe

MD5 2ad594fe35a9fc7dff9272fc5715660b
SHA1 15229f8d0b7527c75075e22c6afc0dd874bab475
SHA256 2bddcbc5e56abe441c7824b1fe481454fdaca44c9ee2de65734a7347de8864a2
SHA512 956218ab67569062a2905934df82d60078622f1f5c068054c8b719c799a2a42b0caaaa5f01a55b26d4c7442e5477d6755d6c494447e1033aa2f8832374e8a541

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe

MD5 a9afab88111a44b5c98b9d235c99608e
SHA1 ef1f0ef4bfeb7d5ae91b2116e4c2d8d5327fd6aa
SHA256 bdc2c357b4a240f542b78e4a9e7cf540e2c9521f9883f2b96e71cd0d95881e46
SHA512 47aec455606d0f8656bf9a0b4ad0d8c283d7c5e5d27236988b6b06c97916578ed25fcfe9c4be998c69ef97d88350a790922e63a9a4b84915f5d04a87ab59e153

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3vS041XZ.exe

MD5 a9afab88111a44b5c98b9d235c99608e
SHA1 ef1f0ef4bfeb7d5ae91b2116e4c2d8d5327fd6aa
SHA256 bdc2c357b4a240f542b78e4a9e7cf540e2c9521f9883f2b96e71cd0d95881e46
SHA512 47aec455606d0f8656bf9a0b4ad0d8c283d7c5e5d27236988b6b06c97916578ed25fcfe9c4be998c69ef97d88350a790922e63a9a4b84915f5d04a87ab59e153

memory/2776-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/2776-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/2776-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/2776-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe

MD5 6ea19f3d7bbb61c3a8e8665ff8ef2365
SHA1 82e201e44a7389f897f561886c519bf8a34cb830
SHA256 89f07b1410254ac7c9978f0592694fe132d7b05a1a218544ac6adc9f51571edf
SHA512 9d32742ab885fd47c412643c71bbaa485a2bd0a773da8f92a4da4405a6dde5fb636682e8bc02c63bed5f621d6e6db823d6a2f718e0d837620821f82a63c804cb

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4ka9wV0.exe

MD5 6ea19f3d7bbb61c3a8e8665ff8ef2365
SHA1 82e201e44a7389f897f561886c519bf8a34cb830
SHA256 89f07b1410254ac7c9978f0592694fe132d7b05a1a218544ac6adc9f51571edf
SHA512 9d32742ab885fd47c412643c71bbaa485a2bd0a773da8f92a4da4405a6dde5fb636682e8bc02c63bed5f621d6e6db823d6a2f718e0d837620821f82a63c804cb

memory/3836-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Aq66LM.exe

MD5 1ec80f8e98e28b3ced7fbce2857d6dfd
SHA1 e681e5df5b4df0d3312b0a8cb989bf5ce59cdc1c
SHA256 7fa9fba971dfe62b232d089d42e51a8dbdbcc778436197395f0c16568120f3a8
SHA512 9e883ddd7e97f5c620e1aeede07a7c823df8e4cb59275cf18bf982621b4d6ee5dcf7df2a082d26f6db40a7194cd3fa1e0344b0f99c7f57a727f917a10963fc35

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Aq66LM.exe

MD5 1ec80f8e98e28b3ced7fbce2857d6dfd
SHA1 e681e5df5b4df0d3312b0a8cb989bf5ce59cdc1c
SHA256 7fa9fba971dfe62b232d089d42e51a8dbdbcc778436197395f0c16568120f3a8
SHA512 9e883ddd7e97f5c620e1aeede07a7c823df8e4cb59275cf18bf982621b4d6ee5dcf7df2a082d26f6db40a7194cd3fa1e0344b0f99c7f57a727f917a10963fc35

memory/3836-28-0x0000000073E40000-0x00000000745F0000-memory.dmp

memory/3836-29-0x0000000007F40000-0x00000000084E4000-memory.dmp

memory/3836-31-0x0000000007A30000-0x0000000007AC2000-memory.dmp

memory/3836-33-0x0000000007C90000-0x0000000007CA0000-memory.dmp

memory/3836-34-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is64.bat

MD5 225edee1d46e0a80610db26b275d72fb
SHA1 ce206abf11aaf19278b72f5021cc64b1b427b7e8
SHA256 e1befb57d724c9dc760cf42d7e0609212b22faeb2dc0c3ffe2fbd7134ff69559
SHA512 4f01a2a248a1322cb690b7395b818d2780e46f4884e59f1ab96125d642b6358eea97c7fad6023ef17209b218daa9c88d15ea2b92f124ecb8434c0c7b4a710504

C:\Users\Admin\AppData\Local\Temp\is64.txt

MD5 a5ea0ad9260b1550a14cc58d2c39b03d
SHA1 f0aedf295071ed34ab8c6a7692223d22b6a19841
SHA256 f1b2f662800122bed0ff255693df89c4487fbdcf453d3524a42d4ec20c3d9c04
SHA512 7c735c613ece191801114785c1ee26a0485cbf1e8ee2c3b85ba1ad290ef75eec9fede5e1a5dc26d504701f3542e6b6457818f4c1d62448d0db40d5f35c357d74

memory/3836-39-0x0000000008B10000-0x0000000009128000-memory.dmp

memory/3836-40-0x0000000007DB0000-0x0000000007EBA000-memory.dmp

memory/3836-41-0x0000000007CC0000-0x0000000007CD2000-memory.dmp

memory/3836-42-0x0000000007D20000-0x0000000007D5C000-memory.dmp

memory/3836-43-0x0000000007D60000-0x0000000007DAC000-memory.dmp

memory/3836-44-0x0000000073E40000-0x00000000745F0000-memory.dmp

memory/3836-45-0x0000000007C90000-0x0000000007CA0000-memory.dmp