Malware Analysis Report

2024-12-08 01:03

Sample ID 231111-mbgf7sdd2w
Target NEAS.f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5.exe
SHA256 f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5
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

f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5

Threat Level: Known bad

The file NEAS.f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5.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

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-11 10:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:17

Reported

2023-11-11 10:20

Platform

win10v2004-20231023-en

Max time kernel

144s

Max time network

161s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5.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\5xu40ts.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_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\Cf6RW16.exe N/A
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.f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4196 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe
PID 4196 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe
PID 4196 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe
PID 1440 wrote to memory of 4524 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe
PID 1440 wrote to memory of 4524 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe
PID 1440 wrote to memory of 4524 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe
PID 4524 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4524 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4524 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4524 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4524 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4524 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4524 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4524 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4524 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4524 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1440 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe
PID 1440 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe
PID 1440 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe
PID 2388 wrote to memory of 4488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2388 wrote to memory of 4488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2388 wrote to memory of 4488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2388 wrote to memory of 1004 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2388 wrote to memory of 1004 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2388 wrote to memory of 1004 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2388 wrote to memory of 1004 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2388 wrote to memory of 1004 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2388 wrote to memory of 1004 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2388 wrote to memory of 1004 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2388 wrote to memory of 1004 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4196 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5xu40ts.exe
PID 4196 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5xu40ts.exe
PID 4196 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5xu40ts.exe
PID 4496 wrote to memory of 2548 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe C:\Windows\SysWOW64\WerFault.exe
PID 4496 wrote to memory of 2548 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe C:\Windows\SysWOW64\WerFault.exe
PID 4496 wrote to memory of 2548 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe C:\Windows\SysWOW64\WerFault.exe
PID 3608 wrote to memory of 408 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5xu40ts.exe C:\Windows\SysWOW64\cmd.exe
PID 3608 wrote to memory of 408 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5xu40ts.exe C:\Windows\SysWOW64\cmd.exe
PID 3608 wrote to memory of 408 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5xu40ts.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.f51fb02c3f6700e7ebfd52cfa9ef546230907387f4e3d80d33d6fd0d28b6ffe5.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.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\4Ie8nj9.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4496 -ip 4496

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\5xu40ts.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5xu40ts.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 540

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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 126.24.238.8.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.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 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 126.178.238.8.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe

MD5 0e5b290557b9cd41652e551aedeaac2b
SHA1 1279fc4d53a71abf57cfcf27750df6f2b94c7630
SHA256 9fef4d1eb390aab46b08f3670318f1af87e58bf943219963b10130be5096a891
SHA512 686cbb9261cfdf0a2d55e4b8593c02ea7dd0adc9d4257203dd4ef62ef931c647df6ebd60c07163dbaccd0645ae1b99e00be408a476bcb41a8dc31a6671e10bdb

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cf6RW16.exe

MD5 0e5b290557b9cd41652e551aedeaac2b
SHA1 1279fc4d53a71abf57cfcf27750df6f2b94c7630
SHA256 9fef4d1eb390aab46b08f3670318f1af87e58bf943219963b10130be5096a891
SHA512 686cbb9261cfdf0a2d55e4b8593c02ea7dd0adc9d4257203dd4ef62ef931c647df6ebd60c07163dbaccd0645ae1b99e00be408a476bcb41a8dc31a6671e10bdb

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Qp526sL.exe

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

memory/4496-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4496-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4496-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4496-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ie8nj9.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/1004-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5xu40ts.exe

MD5 cee786a25fd6f61ce321972831c42632
SHA1 6252d3daa95eac5ae87937d4fc1001ba9f1e56ac
SHA256 5b4aad12b72037d3ff8aa7020ef8410823d75f0fe1ab6ac282cd7667cbbff6e3
SHA512 970433ba0aabbc2a938556abfef375b9b18d71b8cf33e639d70a0c10060c06657fa148dbff8beb8eb0e05525617484b7194500f4f213a9c2eaf20256fd4b67af

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5xu40ts.exe

MD5 cee786a25fd6f61ce321972831c42632
SHA1 6252d3daa95eac5ae87937d4fc1001ba9f1e56ac
SHA256 5b4aad12b72037d3ff8aa7020ef8410823d75f0fe1ab6ac282cd7667cbbff6e3
SHA512 970433ba0aabbc2a938556abfef375b9b18d71b8cf33e639d70a0c10060c06657fa148dbff8beb8eb0e05525617484b7194500f4f213a9c2eaf20256fd4b67af

memory/1004-28-0x0000000073740000-0x0000000073EF0000-memory.dmp

memory/1004-30-0x00000000078F0000-0x0000000007E94000-memory.dmp

memory/1004-31-0x00000000073E0000-0x0000000007472000-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/1004-37-0x0000000007360000-0x0000000007370000-memory.dmp

memory/1004-38-0x0000000073740000-0x0000000073EF0000-memory.dmp

memory/1004-39-0x00000000073D0000-0x00000000073DA000-memory.dmp

memory/1004-40-0x0000000007360000-0x0000000007370000-memory.dmp

memory/1004-41-0x00000000084C0000-0x0000000008AD8000-memory.dmp

memory/1004-42-0x0000000007EA0000-0x0000000007FAA000-memory.dmp

memory/1004-43-0x0000000007780000-0x0000000007792000-memory.dmp

memory/1004-44-0x00000000077E0000-0x000000000781C000-memory.dmp

memory/1004-45-0x0000000007820000-0x000000000786C000-memory.dmp