Malware Analysis Report

2024-12-08 00:56

Sample ID 231111-nrne5afe34
Target NEAS.806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9.exe
SHA256 806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9
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

806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9

Threat Level: Known bad

The file NEAS.806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

Detect Mystic stealer payload

Mystic

RedLine

RedLine payload

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-11 11:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 11:37

Reported

2023-11-11 11:40

Platform

win10v2004-20231023-en

Max time kernel

129s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9.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-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5fI27VL.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.806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9.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\NY3MO44.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2980 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe
PID 2980 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe
PID 2980 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe
PID 4292 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe
PID 4292 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe
PID 4292 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe
PID 1628 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1628 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1628 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1628 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1628 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1628 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1628 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1628 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1628 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1628 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4292 wrote to memory of 2176 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe
PID 4292 wrote to memory of 2176 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe
PID 4292 wrote to memory of 2176 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe
PID 2176 wrote to memory of 3724 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2176 wrote to memory of 3724 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2176 wrote to memory of 3724 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2176 wrote to memory of 3724 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2176 wrote to memory of 3724 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2176 wrote to memory of 3724 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2176 wrote to memory of 3724 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2176 wrote to memory of 3724 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2980 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5fI27VL.exe
PID 2980 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5fI27VL.exe
PID 2980 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5fI27VL.exe
PID 4088 wrote to memory of 4364 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5fI27VL.exe C:\Windows\SysWOW64\cmd.exe
PID 4088 wrote to memory of 4364 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5fI27VL.exe C:\Windows\SysWOW64\cmd.exe
PID 4088 wrote to memory of 4364 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5fI27VL.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.806b46681d036f447799ac23e51d08b5ab1f6cd2c194ae9db646a1a6e079a1e9.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.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 -pss -s 440 -p 4780 -ip 4780

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.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\5fI27VL.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5fI27VL.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 192

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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 39.142.81.104.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 138.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.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 26.35.223.20.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 104.116.69.13.in-addr.arpa udp
RU 5.42.92.51:19057 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe

MD5 2eb11bf20b379aeca62fdd0db67135a0
SHA1 8c9b5e68748701b437c7f3ebe3b2ae67a3e43d8c
SHA256 826c87804d37060cec4d2e3f1cec0e5b966ed369f633e62dc685829e642d1d26
SHA512 e9ba418ef7cf608576f55d2c8dc7cf9f8946e24d8c7669e206c7595951a437455aeb9e1a7c994a38c4d5a7beb90c42c5d28c65767de59ab3b247bdb983e6b329

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NY3MO44.exe

MD5 2eb11bf20b379aeca62fdd0db67135a0
SHA1 8c9b5e68748701b437c7f3ebe3b2ae67a3e43d8c
SHA256 826c87804d37060cec4d2e3f1cec0e5b966ed369f633e62dc685829e642d1d26
SHA512 e9ba418ef7cf608576f55d2c8dc7cf9f8946e24d8c7669e206c7595951a437455aeb9e1a7c994a38c4d5a7beb90c42c5d28c65767de59ab3b247bdb983e6b329

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3cW413BN.exe

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

memory/4780-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4780-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4780-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4780-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4QN1LI7.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/3724-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5fI27VL.exe

MD5 5f1e608e0cee4d8e6004e6dafa64beee
SHA1 6fbe0efdd900c5e38d5325d2ebdf9733a92f8d22
SHA256 d94cfad68e9ddd949ab830cb14fba1fd8226616150caa801c0b05b89acaf9ef5
SHA512 8705b4d57a0f314f8192171bdd55935312e156acd36929ec61be86cefdf864baf11e55d9dd780893e3e3921e4b7b28ac522876d6103efc011547d3f0448807fc

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5fI27VL.exe

MD5 5f1e608e0cee4d8e6004e6dafa64beee
SHA1 6fbe0efdd900c5e38d5325d2ebdf9733a92f8d22
SHA256 d94cfad68e9ddd949ab830cb14fba1fd8226616150caa801c0b05b89acaf9ef5
SHA512 8705b4d57a0f314f8192171bdd55935312e156acd36929ec61be86cefdf864baf11e55d9dd780893e3e3921e4b7b28ac522876d6103efc011547d3f0448807fc

memory/3724-28-0x0000000073CD0000-0x0000000074480000-memory.dmp

memory/3724-30-0x0000000007860000-0x0000000007E04000-memory.dmp

memory/3724-32-0x00000000072B0000-0x0000000007342000-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 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/3724-37-0x00000000074B0000-0x00000000074C0000-memory.dmp

memory/3724-38-0x0000000007370000-0x000000000737A000-memory.dmp

memory/3724-39-0x0000000008430000-0x0000000008A48000-memory.dmp

memory/3724-40-0x00000000076C0000-0x00000000077CA000-memory.dmp

memory/3724-41-0x0000000007450000-0x0000000007462000-memory.dmp

memory/3724-42-0x00000000075B0000-0x00000000075EC000-memory.dmp

memory/3724-43-0x00000000075F0000-0x000000000763C000-memory.dmp

memory/3724-44-0x0000000073CD0000-0x0000000074480000-memory.dmp

memory/3724-45-0x00000000074B0000-0x00000000074C0000-memory.dmp