Malware Analysis Report

2024-12-08 01:12

Sample ID 231111-me74bsdd8v
Target NEAS.025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289.exe
SHA256 025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289
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

025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289

Threat Level: Known bad

The file NEAS.025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

Mystic

RedLine payload

RedLine

Detect Mystic stealer payload

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 10:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:23

Reported

2023-11-11 10:26

Platform

win10v2004-20231023-en

Max time kernel

155s

Max time network

168s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289.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\7we1dw78.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.025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289.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\wG7iC79.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3068 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe
PID 3068 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe
PID 3068 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe
PID 3344 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe
PID 3344 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe
PID 3344 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe
PID 2696 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2696 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2696 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2696 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2696 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2696 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2696 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2696 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2696 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2696 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2696 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2696 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2696 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3344 wrote to memory of 3696 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe
PID 3344 wrote to memory of 3696 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe
PID 3344 wrote to memory of 3696 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe
PID 3696 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3696 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3696 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3696 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3696 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3696 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3696 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3696 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3068 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7we1dw78.exe
PID 3068 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7we1dw78.exe
PID 3068 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7we1dw78.exe
PID 1792 wrote to memory of 700 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7we1dw78.exe C:\Windows\SysWOW64\cmd.exe
PID 1792 wrote to memory of 700 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7we1dw78.exe C:\Windows\SysWOW64\cmd.exe
PID 1792 wrote to memory of 700 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7we1dw78.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.025d5b38468a58fa6ebfbfb6079cf4a47fa58f800677d60963fc9cfa96234289.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.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\2Cq9353.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3460 -ip 3460

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -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\7we1dw78.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7we1dw78.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 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 254.178.238.8.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
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 254.111.26.67.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
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
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp
RU 5.42.92.51:19057 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe

MD5 14ba9e6b0dac932efbba5fe927461771
SHA1 5caecf175a670d3334aa0b1b1a093f0dacb0c6b5
SHA256 ca3fe396eec803ec90bb8bd2a9c0723760015f3d3f3ea4744f1a1a1d3f40f591
SHA512 9a74093b6f8c9493bb1347fed96a9ed3c9bdf8b3a02e33ec3e354016e89d4a379c0879149a6bc9eacd9584a8fb0c6bab5b544ce81aa30bc19ef8f043cb9014d3

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wG7iC79.exe

MD5 14ba9e6b0dac932efbba5fe927461771
SHA1 5caecf175a670d3334aa0b1b1a093f0dacb0c6b5
SHA256 ca3fe396eec803ec90bb8bd2a9c0723760015f3d3f3ea4744f1a1a1d3f40f591
SHA512 9a74093b6f8c9493bb1347fed96a9ed3c9bdf8b3a02e33ec3e354016e89d4a379c0879149a6bc9eacd9584a8fb0c6bab5b544ce81aa30bc19ef8f043cb9014d3

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1gp22Uz0.exe

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

memory/3460-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3460-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3460-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3460-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Cq9353.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/1992-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7we1dw78.exe

MD5 751ae5db2b6bc9fcb8db433b7a31599a
SHA1 1c6fb7d6d20c8bc3b6196e2fb535ac415fcf608d
SHA256 7ae10727d76c7a7339533fcff544432a0cc27ead0a7981f039c0b3d16eaf6ebd
SHA512 d276056ab6a03c9cd9c1145b649c112397e313b9c2cea445c7db4039b3e6be3c0c4621d8a4b52cac30393449f196913c24f8bf06d2c363b4673af29cc34a4012

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7we1dw78.exe

MD5 751ae5db2b6bc9fcb8db433b7a31599a
SHA1 1c6fb7d6d20c8bc3b6196e2fb535ac415fcf608d
SHA256 7ae10727d76c7a7339533fcff544432a0cc27ead0a7981f039c0b3d16eaf6ebd
SHA512 d276056ab6a03c9cd9c1145b649c112397e313b9c2cea445c7db4039b3e6be3c0c4621d8a4b52cac30393449f196913c24f8bf06d2c363b4673af29cc34a4012

memory/1992-28-0x0000000073DF0000-0x00000000745A0000-memory.dmp

memory/1992-29-0x0000000007BD0000-0x0000000008174000-memory.dmp

memory/1992-30-0x00000000076C0000-0x0000000007752000-memory.dmp

memory/1992-33-0x0000000007920000-0x0000000007930000-memory.dmp

memory/1992-34-0x0000000007690000-0x000000000769A000-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/1992-39-0x00000000087A0000-0x0000000008DB8000-memory.dmp

memory/1992-40-0x0000000007A40000-0x0000000007B4A000-memory.dmp

memory/1992-41-0x0000000007930000-0x0000000007942000-memory.dmp

memory/1992-42-0x0000000007990000-0x00000000079CC000-memory.dmp

memory/1992-43-0x00000000079D0000-0x0000000007A1C000-memory.dmp

memory/1992-44-0x0000000073DF0000-0x00000000745A0000-memory.dmp

memory/1992-45-0x0000000007920000-0x0000000007930000-memory.dmp