Malware Analysis Report

2024-12-08 01:14

Sample ID 231111-mk4m4aee55
Target NEAS.bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f.exe
SHA256 bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f
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

bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f

Threat Level: Known bad

The file NEAS.bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

RedLine payload

Detect Mystic stealer payload

Mystic

RedLine

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 10:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:32

Reported

2023-11-11 10:35

Platform

win10v2004-20231023-en

Max time kernel

166s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f.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\5nI05zC.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.bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f.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\mJ6ye89.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1368 wrote to memory of 1744 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe
PID 1368 wrote to memory of 1744 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe
PID 1368 wrote to memory of 1744 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe
PID 1744 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe
PID 1744 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe
PID 1744 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe
PID 2188 wrote to memory of 3160 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2188 wrote to memory of 3160 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2188 wrote to memory of 3160 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2188 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2188 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2188 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2188 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2188 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2188 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2188 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2188 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2188 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2188 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1744 wrote to memory of 4420 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe
PID 1744 wrote to memory of 4420 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe
PID 1744 wrote to memory of 4420 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe
PID 4420 wrote to memory of 448 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4420 wrote to memory of 448 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4420 wrote to memory of 448 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4420 wrote to memory of 448 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4420 wrote to memory of 448 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4420 wrote to memory of 448 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4420 wrote to memory of 448 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4420 wrote to memory of 448 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1368 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5nI05zC.exe
PID 1368 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5nI05zC.exe
PID 1368 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5nI05zC.exe
PID 4232 wrote to memory of 1004 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe C:\Windows\SysWOW64\WerFault.exe
PID 4232 wrote to memory of 1004 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe C:\Windows\SysWOW64\WerFault.exe
PID 4232 wrote to memory of 1004 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe C:\Windows\SysWOW64\WerFault.exe
PID 1456 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5nI05zC.exe C:\Windows\SysWOW64\cmd.exe
PID 1456 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5nI05zC.exe C:\Windows\SysWOW64\cmd.exe
PID 1456 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5nI05zC.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.bed9d12b5ad4bdb86c0fa2ab9df14008c33b67d56b0df31bd0b24dcb0f34d93f.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.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:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4232 -ip 4232

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.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\5nI05zC.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5nI05zC.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 196

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 196

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 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 121.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 126.177.238.8.in-addr.arpa udp
US 8.8.8.8:53 10.179.89.13.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe

MD5 887c75268465f72eed2be59c8d32f097
SHA1 e6acc6f82a6fe65e8403fbbc9ca8b167c0a09594
SHA256 8620e5ca845d20c8f415a93b3058e01d6d0ef6c19534e69783eebc54bdffc3a6
SHA512 bb6de6eaffda98dc4a8da9e77f2a1da7f723e76544fef3889f60deaa6fbf86bf4bbf7604b68207354866755b02593424e6cf10fb69f9c4d90aaa4cde4d23a972

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ6ye89.exe

MD5 887c75268465f72eed2be59c8d32f097
SHA1 e6acc6f82a6fe65e8403fbbc9ca8b167c0a09594
SHA256 8620e5ca845d20c8f415a93b3058e01d6d0ef6c19534e69783eebc54bdffc3a6
SHA512 bb6de6eaffda98dc4a8da9e77f2a1da7f723e76544fef3889f60deaa6fbf86bf4bbf7604b68207354866755b02593424e6cf10fb69f9c4d90aaa4cde4d23a972

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe

MD5 8fc5cd8431d6fd3a685597bbb6e906b2
SHA1 335491b7d795ff5dc705a8990ed8153aa18f2d61
SHA256 aefa7642dcbb7d2362d07d9744f18bcea70400b90317e72a32dcf06bf88f8c35
SHA512 d7fe242d8fb25c7a2b8c255af5ae429c14b042b07c436445ded3bea9f232b8dd5df835aee7b6d1213b0d8900a734348185a5b9ed6161c70c7d9618ce251224ee

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3TO869Ql.exe

MD5 8fc5cd8431d6fd3a685597bbb6e906b2
SHA1 335491b7d795ff5dc705a8990ed8153aa18f2d61
SHA256 aefa7642dcbb7d2362d07d9744f18bcea70400b90317e72a32dcf06bf88f8c35
SHA512 d7fe242d8fb25c7a2b8c255af5ae429c14b042b07c436445ded3bea9f232b8dd5df835aee7b6d1213b0d8900a734348185a5b9ed6161c70c7d9618ce251224ee

memory/4232-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4232-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4232-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4232-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe

MD5 e42ce056f382aecc9f493ca0840887b2
SHA1 7e44c04ba64c29815fc87bce227718cb8da12233
SHA256 38931216a5b1a14d650083bc9d19f2290a9ffa1cf498678ed8d2ad4cbc7e2751
SHA512 e89b475eedc20ba2bcf8653aab00528d45b16d02065428d66d08ad24856f28ade3aeb4a3b9f45d61d95a3cd15078f2ec66f471ead617e4fc3d568d1fa42c3e55

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4mj2Sn9.exe

MD5 e42ce056f382aecc9f493ca0840887b2
SHA1 7e44c04ba64c29815fc87bce227718cb8da12233
SHA256 38931216a5b1a14d650083bc9d19f2290a9ffa1cf498678ed8d2ad4cbc7e2751
SHA512 e89b475eedc20ba2bcf8653aab00528d45b16d02065428d66d08ad24856f28ade3aeb4a3b9f45d61d95a3cd15078f2ec66f471ead617e4fc3d568d1fa42c3e55

memory/448-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5nI05zC.exe

MD5 959193d37d51ee86c286319540f044eb
SHA1 72b035fa8812ca25cad6077cfccc4e7b1a9f9844
SHA256 53999174c03ee0018ec2ac355ae09044ffbd3d5f1e34b392ef3268ae3ac335d6
SHA512 eda5addd1d664a1e776fcfde2cdd1cec0f2fab695cb605a1a6b99424544efadc9ef83ff95922300d6f4430bbdb0221a04a893413c6e5348cd08cad52f19e4bd0

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5nI05zC.exe

MD5 959193d37d51ee86c286319540f044eb
SHA1 72b035fa8812ca25cad6077cfccc4e7b1a9f9844
SHA256 53999174c03ee0018ec2ac355ae09044ffbd3d5f1e34b392ef3268ae3ac335d6
SHA512 eda5addd1d664a1e776fcfde2cdd1cec0f2fab695cb605a1a6b99424544efadc9ef83ff95922300d6f4430bbdb0221a04a893413c6e5348cd08cad52f19e4bd0

memory/448-28-0x0000000073710000-0x0000000073EC0000-memory.dmp

memory/448-31-0x0000000007C60000-0x0000000008204000-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/448-36-0x0000000073710000-0x0000000073EC0000-memory.dmp

memory/448-37-0x00000000079E0000-0x0000000007A72000-memory.dmp

memory/448-38-0x0000000007B30000-0x0000000007B40000-memory.dmp

memory/448-39-0x0000000002B30000-0x0000000002B3A000-memory.dmp

memory/448-40-0x0000000007B30000-0x0000000007B40000-memory.dmp

memory/448-41-0x00000000089C0000-0x0000000008FD8000-memory.dmp

memory/448-42-0x00000000084B0000-0x00000000085BA000-memory.dmp

memory/448-43-0x0000000007AB0000-0x0000000007AC2000-memory.dmp

memory/448-44-0x0000000008310000-0x000000000834C000-memory.dmp

memory/448-45-0x0000000007AE0000-0x0000000007B2C000-memory.dmp