Malware Analysis Report

2024-12-08 01:04

Sample ID 231111-l549paeb52
Target NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe
SHA256 9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c
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

9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c

Threat Level: Known bad

The file NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

RedLine

RedLine payload

Detect Mystic stealer payload

Mystic

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-11 10:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:07

Reported

2023-11-11 10:11

Platform

win10v2004-20231020-en

Max time kernel

180s

Max time network

188s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.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-1-5-21-3811856890-180006922-3689258494-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.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.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.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\cH3AZ92.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2940 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe
PID 2940 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe
PID 2940 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe
PID 1920 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe
PID 1920 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe
PID 1920 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe
PID 3472 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3472 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3472 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3472 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3472 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3472 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3472 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3472 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3472 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3472 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1920 wrote to memory of 1540 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe
PID 1920 wrote to memory of 1540 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe
PID 1920 wrote to memory of 1540 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe
PID 1540 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1540 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1540 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1540 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1540 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1540 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1540 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1540 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2940 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.exe
PID 2940 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.exe
PID 2940 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.exe
PID 2272 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.exe C:\Windows\SysWOW64\cmd.exe
PID 2272 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.exe C:\Windows\SysWOW64\cmd.exe
PID 2272 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.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\2Kp5398.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4788 -ip 4788

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 548

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\7ID1tF08.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.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 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 65.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 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
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\cH3AZ92.exe

MD5 48286a19318748498023d50be43e3215
SHA1 767bd66b7a2fd525eb2ad48767bf0b8f7dfd6411
SHA256 973a90d81b054adf642bb213aa78baa68ffaaa6474fa1da23d7d3076601b53f5
SHA512 13c74cd0ed3ceb09b6ac73b5f817f3623cec00bc8f3a6d239fba99807fd39792e2c8cde4e4a5fe65e4a385d5d3e8c480856028b176877d173996d0820098436d

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe

MD5 48286a19318748498023d50be43e3215
SHA1 767bd66b7a2fd525eb2ad48767bf0b8f7dfd6411
SHA256 973a90d81b054adf642bb213aa78baa68ffaaa6474fa1da23d7d3076601b53f5
SHA512 13c74cd0ed3ceb09b6ac73b5f817f3623cec00bc8f3a6d239fba99807fd39792e2c8cde4e4a5fe65e4a385d5d3e8c480856028b176877d173996d0820098436d

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe

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

memory/4788-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4788-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4788-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4788-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/4984-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.exe

MD5 14f209e560ae95221b644990e1ac4324
SHA1 65cafb3a405ea750f8cb577126faedbe71f4fdbc
SHA256 d30b994ec6998d0fe8da71e464f9af19bfb017e917dca7f2a4ad4e521e254294
SHA512 4e4affa0c7b88899dab1a440bbc20ba4c85366fc9ebd53df85f0bec3b3afb88292f2660e5c9ead16a3cfbffb1e80dff3c7bca5678968c90319158155608f814c

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.exe

MD5 14f209e560ae95221b644990e1ac4324
SHA1 65cafb3a405ea750f8cb577126faedbe71f4fdbc
SHA256 d30b994ec6998d0fe8da71e464f9af19bfb017e917dca7f2a4ad4e521e254294
SHA512 4e4affa0c7b88899dab1a440bbc20ba4c85366fc9ebd53df85f0bec3b3afb88292f2660e5c9ead16a3cfbffb1e80dff3c7bca5678968c90319158155608f814c

memory/4984-28-0x0000000073730000-0x0000000073EE0000-memory.dmp

memory/4984-29-0x0000000007DF0000-0x0000000008394000-memory.dmp

memory/4984-31-0x00000000078E0000-0x0000000007972000-memory.dmp

memory/4984-33-0x0000000007AA0000-0x0000000007AB0000-memory.dmp

memory/4984-34-0x0000000007AE0000-0x0000000007AEA000-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/4984-39-0x00000000089C0000-0x0000000008FD8000-memory.dmp

memory/4984-40-0x00000000083A0000-0x00000000084AA000-memory.dmp

memory/4984-41-0x0000000007BB0000-0x0000000007BC2000-memory.dmp

memory/4984-42-0x0000000007C20000-0x0000000007C5C000-memory.dmp

memory/4984-43-0x0000000007C60000-0x0000000007CAC000-memory.dmp

memory/4984-44-0x0000000073730000-0x0000000073EE0000-memory.dmp

memory/4984-45-0x0000000007AA0000-0x0000000007AB0000-memory.dmp