Malware Analysis Report

2024-12-08 01:03

Sample ID 231111-l4zb2seb36
Target NEAS.f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9.exe
SHA256 f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9
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

f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9

Threat Level: Known bad

The file NEAS.f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

Mystic

RedLine

RedLine payload

Detect Mystic stealer payload

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-11 10:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:05

Reported

2023-11-11 10:11

Platform

win10v2004-20231023-en

Max time kernel

143s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9.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-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7so1my18.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.f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9.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\Ex8pR12.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3992 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe
PID 3992 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe
PID 3992 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe
PID 2524 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe
PID 2524 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe
PID 2524 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe
PID 1968 wrote to memory of 4264 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1968 wrote to memory of 4264 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1968 wrote to memory of 4264 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1968 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1968 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1968 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1968 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1968 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1968 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1968 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1968 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1968 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1968 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2524 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe
PID 2524 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe
PID 2524 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe
PID 1052 wrote to memory of 3968 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1052 wrote to memory of 3968 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1052 wrote to memory of 3968 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1052 wrote to memory of 3968 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1052 wrote to memory of 3968 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1052 wrote to memory of 3968 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1052 wrote to memory of 3968 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1052 wrote to memory of 3968 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3992 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7so1my18.exe
PID 3992 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7so1my18.exe
PID 3992 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7so1my18.exe
PID 1648 wrote to memory of 1752 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7so1my18.exe C:\Windows\SysWOW64\cmd.exe
PID 1648 wrote to memory of 1752 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7so1my18.exe C:\Windows\SysWOW64\cmd.exe
PID 1648 wrote to memory of 1752 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7so1my18.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.f308d21992e191efeeb26043866225ec3bac25ee18c65aa79567e16f7213fbe9.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.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\2Hn2514.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1516 -ip 1516

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 540

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\7so1my18.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7so1my18.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 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.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
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 163.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp
RU 5.42.92.51:19057 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe

MD5 15314bed782d766e3ef104189bd5361d
SHA1 be69ebf3e5ab35649e13d2810df6c44eec0f2877
SHA256 2b76e697545afd62ab11072a566be9e288a6c9f879d928a2bf217b90f93eb576
SHA512 e71dac3874111fa1b5fc428adfcaf1942222fbcf533681adb32602b5b0e730b33a76c48c2b60c08a3691b83d25a30ebabc9b4fe415f0b41d381284016d41e0f1

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ex8pR12.exe

MD5 15314bed782d766e3ef104189bd5361d
SHA1 be69ebf3e5ab35649e13d2810df6c44eec0f2877
SHA256 2b76e697545afd62ab11072a566be9e288a6c9f879d928a2bf217b90f93eb576
SHA512 e71dac3874111fa1b5fc428adfcaf1942222fbcf533681adb32602b5b0e730b33a76c48c2b60c08a3691b83d25a30ebabc9b4fe415f0b41d381284016d41e0f1

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vR26cT9.exe

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

memory/1516-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/1516-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/1516-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/1516-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hn2514.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/3968-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7so1my18.exe

MD5 cfc932ef38b8e29a21e4dbe9a9bcef41
SHA1 5e78a2ea7ee28bf90c29c360b83c88557bc2ba38
SHA256 9dfbfca5785a5c101a9adb8cc4350bb9aca180982a412cdf7b8fb5b327c4033c
SHA512 a8e65736de87e2564f8f359931147de7da97b155f53343a5b32902d0f90ccb5a68e8eb5d0b19060dbb62174ca267c3b9c0b5c6b596182dc82cc8260ef348caee

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7so1my18.exe

MD5 cfc932ef38b8e29a21e4dbe9a9bcef41
SHA1 5e78a2ea7ee28bf90c29c360b83c88557bc2ba38
SHA256 9dfbfca5785a5c101a9adb8cc4350bb9aca180982a412cdf7b8fb5b327c4033c
SHA512 a8e65736de87e2564f8f359931147de7da97b155f53343a5b32902d0f90ccb5a68e8eb5d0b19060dbb62174ca267c3b9c0b5c6b596182dc82cc8260ef348caee

memory/3968-28-0x0000000073B10000-0x00000000742C0000-memory.dmp

memory/3968-31-0x0000000008010000-0x00000000085B4000-memory.dmp

memory/3968-32-0x0000000007B40000-0x0000000007BD2000-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/3968-37-0x0000000007D40000-0x0000000007D50000-memory.dmp

memory/3968-38-0x0000000007D20000-0x0000000007D2A000-memory.dmp

memory/3968-39-0x0000000008BE0000-0x00000000091F8000-memory.dmp

memory/3968-40-0x0000000007F00000-0x000000000800A000-memory.dmp

memory/3968-41-0x0000000007E00000-0x0000000007E12000-memory.dmp

memory/3968-42-0x0000000007E60000-0x0000000007E9C000-memory.dmp

memory/3968-43-0x0000000007EA0000-0x0000000007EEC000-memory.dmp

memory/3968-44-0x0000000073B10000-0x00000000742C0000-memory.dmp

memory/3968-45-0x0000000007D40000-0x0000000007D50000-memory.dmp