Malware Analysis Report

2024-12-08 01:17

Sample ID 231111-mh9rbsde61
Target NEAS.89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5.exe
SHA256 89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5
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

89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5

Threat Level: Known bad

The file NEAS.89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5.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

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-11 10:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:29

Reported

2023-11-11 10:31

Platform

win10v2004-20231023-en

Max time kernel

159s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5.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\5mv87Lr.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.89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5.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\mN2cL46.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4680 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe
PID 4680 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe
PID 4680 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe
PID 1456 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe
PID 1456 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe
PID 1456 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe
PID 3204 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3204 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3204 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3204 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3204 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3204 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3204 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3204 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3204 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3204 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1456 wrote to memory of 5008 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe
PID 1456 wrote to memory of 5008 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe
PID 1456 wrote to memory of 5008 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe
PID 5008 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5008 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5008 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5008 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5008 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5008 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5008 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5008 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4680 wrote to memory of 716 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mv87Lr.exe
PID 4680 wrote to memory of 716 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mv87Lr.exe
PID 4680 wrote to memory of 716 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mv87Lr.exe
PID 716 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mv87Lr.exe C:\Windows\SysWOW64\cmd.exe
PID 716 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mv87Lr.exe C:\Windows\SysWOW64\cmd.exe
PID 716 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mv87Lr.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.89a72381b6c03100fe298d8d478e12e5afe9efdd66f702dc1533ad93f5edecb5.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.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 456 -p 3944 -ip 3944

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.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\5mv87Lr.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mv87Lr.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -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 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 126.21.238.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 126.178.238.8.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 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
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 12.173.189.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe

MD5 cbc1bc876e032088ab512403204cc827
SHA1 aa349b052ff18c150118965df111e3b9e256cfcc
SHA256 4cc86e1dc4a166b675f01f27f52e179d83773f43736e54f40427866d6708ef05
SHA512 cc78286a9dbf4ab59aa606c22097a97cd64309f6aac55b9fdf7c673ead1d6f1f9a1b16f99233639a6f811bc931d23627b06265c9304e80669bdee46e19bfb879

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mN2cL46.exe

MD5 cbc1bc876e032088ab512403204cc827
SHA1 aa349b052ff18c150118965df111e3b9e256cfcc
SHA256 4cc86e1dc4a166b675f01f27f52e179d83773f43736e54f40427866d6708ef05
SHA512 cc78286a9dbf4ab59aa606c22097a97cd64309f6aac55b9fdf7c673ead1d6f1f9a1b16f99233639a6f811bc931d23627b06265c9304e80669bdee46e19bfb879

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3BA464nZ.exe

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

memory/3944-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3944-18-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3944-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3944-15-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Np6Gi3.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/3320-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mv87Lr.exe

MD5 b82a79d869fa9a69a11c02b2b714bb86
SHA1 845ff6d3c6075a43db00b722458a67cdcd5c6418
SHA256 a433fcbbec809b219aca8f31e71f335fde2658ca22ecd75a089503d4b2f33fb6
SHA512 94f36d2e5c6144f4fc81c41d6841500cda2a6ed9e3a79ac3d27c54cc5435ed64785ba287bf19794cab822e06fe675c2a249e166e2178a8c5809a89de7cc7f875

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mv87Lr.exe

MD5 b82a79d869fa9a69a11c02b2b714bb86
SHA1 845ff6d3c6075a43db00b722458a67cdcd5c6418
SHA256 a433fcbbec809b219aca8f31e71f335fde2658ca22ecd75a089503d4b2f33fb6
SHA512 94f36d2e5c6144f4fc81c41d6841500cda2a6ed9e3a79ac3d27c54cc5435ed64785ba287bf19794cab822e06fe675c2a249e166e2178a8c5809a89de7cc7f875

memory/3320-28-0x00000000740D0000-0x0000000074880000-memory.dmp

memory/3320-31-0x0000000008230000-0x00000000087D4000-memory.dmp

memory/3320-32-0x0000000007D60000-0x0000000007DF2000-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/3320-37-0x0000000007F20000-0x0000000007F30000-memory.dmp

memory/3320-38-0x00000000740D0000-0x0000000074880000-memory.dmp

memory/3320-39-0x0000000007E20000-0x0000000007E2A000-memory.dmp

memory/3320-40-0x0000000007F20000-0x0000000007F30000-memory.dmp

memory/3320-41-0x0000000008E00000-0x0000000009418000-memory.dmp

memory/3320-42-0x00000000088F0000-0x00000000089FA000-memory.dmp

memory/3320-43-0x0000000007E50000-0x0000000007E62000-memory.dmp

memory/3320-44-0x0000000007EC0000-0x0000000007EFC000-memory.dmp

memory/3320-45-0x00000000087E0000-0x000000000882C000-memory.dmp