Malware Analysis Report

2025-01-02 05:01

Sample ID 231111-mpke1sef24
Target NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe
SHA256 da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7
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

da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7

Threat Level: Known bad

The file NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

Mystic

RedLine

RedLine payload

Detect Mystic stealer payload

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-11 10:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:38

Reported

2023-11-11 10:41

Platform

win10v2004-20231020-en

Max time kernel

169s

Max time network

175s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.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-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.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.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.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\Sc3Qt65.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3340 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe
PID 3340 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe
PID 3340 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe
PID 4660 wrote to memory of 4672 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe
PID 4660 wrote to memory of 4672 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe
PID 4660 wrote to memory of 4672 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe
PID 4672 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4672 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4672 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4672 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4672 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4672 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4672 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4672 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4672 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4672 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4672 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4672 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4672 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4660 wrote to memory of 4840 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe
PID 4660 wrote to memory of 4840 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe
PID 4660 wrote to memory of 4840 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe
PID 4840 wrote to memory of 548 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4840 wrote to memory of 548 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4840 wrote to memory of 548 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4840 wrote to memory of 548 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4840 wrote to memory of 548 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4840 wrote to memory of 548 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4840 wrote to memory of 548 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4840 wrote to memory of 548 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3340 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe
PID 3340 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe
PID 3340 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe
PID 2980 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe C:\Windows\SysWOW64\cmd.exe
PID 2980 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe C:\Windows\SysWOW64\cmd.exe
PID 2980 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.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:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3616 -ip 3616

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 3616 -s 540

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.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 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 121.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 58.252.72.23.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe

MD5 e5089522ed90f7cb165aaa54a7d4685f
SHA1 c91f6cf3993f33d2da203948b368aa6fc776cf0e
SHA256 ff90b6385edbf70afb8656152ed6e77fe9e5a62b5c71db41a690d433f9cf6c90
SHA512 bf3209cfc5f72d77e84be6389e7b6a752d3952b5b8b07bd10f66852111a9e735a87ce622fd1db1afe3f47f45f7321f1c1e242fc148a69106afb3b51194ceb4c6

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe

MD5 e5089522ed90f7cb165aaa54a7d4685f
SHA1 c91f6cf3993f33d2da203948b368aa6fc776cf0e
SHA256 ff90b6385edbf70afb8656152ed6e77fe9e5a62b5c71db41a690d433f9cf6c90
SHA512 bf3209cfc5f72d77e84be6389e7b6a752d3952b5b8b07bd10f66852111a9e735a87ce622fd1db1afe3f47f45f7321f1c1e242fc148a69106afb3b51194ceb4c6

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe

MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe

MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

memory/3616-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3616-15-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/3616-19-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3616-16-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/548-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe

MD5 7ecd46af3b0204fe6ec2fab982c28253
SHA1 6865fe0d8a17476f5f7070ff3e6fe443c3c93df0
SHA256 bb006c9e32e3e006fd95a89866e0e3530916eff79947e76001bf98f33240d5a7
SHA512 b7bd15113a7b2aa4538eda8eb80658e1230212c8376c4e42ad651ed98d9e13900ea7456de3409017c4eeb6d3a1d7968b42ee2cffecf5986cdaf99c995e515a89

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe

MD5 7ecd46af3b0204fe6ec2fab982c28253
SHA1 6865fe0d8a17476f5f7070ff3e6fe443c3c93df0
SHA256 bb006c9e32e3e006fd95a89866e0e3530916eff79947e76001bf98f33240d5a7
SHA512 b7bd15113a7b2aa4538eda8eb80658e1230212c8376c4e42ad651ed98d9e13900ea7456de3409017c4eeb6d3a1d7968b42ee2cffecf5986cdaf99c995e515a89

memory/548-28-0x0000000074160000-0x0000000074910000-memory.dmp

memory/548-29-0x0000000007E90000-0x0000000008434000-memory.dmp

memory/548-31-0x0000000007980000-0x0000000007A12000-memory.dmp

memory/548-33-0x0000000005510000-0x0000000005520000-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/548-38-0x0000000007940000-0x000000000794A000-memory.dmp

memory/548-39-0x0000000008A60000-0x0000000009078000-memory.dmp

memory/548-40-0x0000000007C90000-0x0000000007D9A000-memory.dmp

memory/548-41-0x0000000007BB0000-0x0000000007BC2000-memory.dmp

memory/548-42-0x0000000007C10000-0x0000000007C4C000-memory.dmp

memory/548-43-0x0000000007DA0000-0x0000000007DEC000-memory.dmp

memory/548-44-0x0000000074160000-0x0000000074910000-memory.dmp

memory/548-45-0x0000000005510000-0x0000000005520000-memory.dmp