Malware Analysis Report

2024-12-08 01:13

Sample ID 231111-mevs1aed38
Target NEAS.52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd.exe
SHA256 52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd
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

52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd

Threat Level: Known bad

The file NEAS.52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

Mystic

RedLine payload

Detect Mystic stealer payload

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 10:23

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 10:25

Platform

win10v2004-20231023-en

Max time kernel

139s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd.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-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5ym30rg.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.52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd.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\Vy7DS80.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 912 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe
PID 912 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe
PID 912 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe
PID 2948 wrote to memory of 3372 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe
PID 2948 wrote to memory of 3372 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe
PID 2948 wrote to memory of 3372 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe
PID 3372 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3372 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3372 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3372 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3372 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3372 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3372 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3372 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3372 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3372 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2948 wrote to memory of 4676 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe
PID 2948 wrote to memory of 4676 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe
PID 2948 wrote to memory of 4676 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe
PID 4676 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4676 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4676 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4676 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4676 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4676 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4676 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4676 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 912 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5ym30rg.exe
PID 912 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5ym30rg.exe
PID 912 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5ym30rg.exe
PID 820 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5ym30rg.exe C:\Windows\SysWOW64\cmd.exe
PID 820 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5ym30rg.exe C:\Windows\SysWOW64\cmd.exe
PID 820 wrote to memory of 2424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5ym30rg.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.52fccafa3329ad996f0ee65dfbb1b9c3cab6fe03c50a6c984aa1168696bcd7fd.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.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\4eL1SS0.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4804 -ip 4804

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -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\5ym30rg.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5ym30rg.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 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
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 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 121.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 254.178.238.8.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 210.80.50.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe

MD5 dc3d11746b67b8d1a9dc1bf8b6d317bf
SHA1 f560bed958efca7ae902c71ef85b245f2e2a9a44
SHA256 ccf71e5ebd2bea3bfba24eb13198903e83240bd8baf0262224244c7f86c551c3
SHA512 18540943d21b1704d1703f43ea76a6fee413f8e710ffa74ad1c2351140d1d1a162d1f34cbc1e0d3eadf549ff5e4c1b847dd652850137af98e0a311d92422011e

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vy7DS80.exe

MD5 dc3d11746b67b8d1a9dc1bf8b6d317bf
SHA1 f560bed958efca7ae902c71ef85b245f2e2a9a44
SHA256 ccf71e5ebd2bea3bfba24eb13198903e83240bd8baf0262224244c7f86c551c3
SHA512 18540943d21b1704d1703f43ea76a6fee413f8e710ffa74ad1c2351140d1d1a162d1f34cbc1e0d3eadf549ff5e4c1b847dd652850137af98e0a311d92422011e

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Cj430Ln.exe

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

memory/4804-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4804-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4804-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4804-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4eL1SS0.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/3128-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5ym30rg.exe

MD5 3e58d96e17cece4878f5c1dd0dd0fa5b
SHA1 80f8b7f92a5883c8dfdf8d23a1a5360f4f83e31a
SHA256 894253001c4b98c9e06b1ae6fc29056f5b993d8ef2d6e254ffaed10fc557255c
SHA512 8aef17a5906e978732093fea075a3877a7b90447fa39e2aaefb07e254ad2f69189eac099ce6d9cfd72320ee3e52d687d5e593e671453532165d53ed3477a83b4

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5ym30rg.exe

MD5 3e58d96e17cece4878f5c1dd0dd0fa5b
SHA1 80f8b7f92a5883c8dfdf8d23a1a5360f4f83e31a
SHA256 894253001c4b98c9e06b1ae6fc29056f5b993d8ef2d6e254ffaed10fc557255c
SHA512 8aef17a5906e978732093fea075a3877a7b90447fa39e2aaefb07e254ad2f69189eac099ce6d9cfd72320ee3e52d687d5e593e671453532165d53ed3477a83b4

memory/3128-28-0x0000000073AB0000-0x0000000074260000-memory.dmp

memory/3128-29-0x0000000007CC0000-0x0000000008264000-memory.dmp

memory/3128-31-0x0000000007710000-0x00000000077A2000-memory.dmp

memory/3128-33-0x0000000005350000-0x0000000005360000-memory.dmp

memory/3128-34-0x00000000078E0000-0x00000000078EA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is64.txt

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Local\Temp\is64.bat

MD5 225edee1d46e0a80610db26b275d72fb
SHA1 ce206abf11aaf19278b72f5021cc64b1b427b7e8
SHA256 e1befb57d724c9dc760cf42d7e0609212b22faeb2dc0c3ffe2fbd7134ff69559
SHA512 4f01a2a248a1322cb690b7395b818d2780e46f4884e59f1ab96125d642b6358eea97c7fad6023ef17209b218daa9c88d15ea2b92f124ecb8434c0c7b4a710504

memory/3128-39-0x0000000008890000-0x0000000008EA8000-memory.dmp

memory/3128-40-0x0000000007A90000-0x0000000007B9A000-memory.dmp

memory/3128-41-0x00000000079C0000-0x00000000079D2000-memory.dmp

memory/3128-42-0x0000000007A20000-0x0000000007A5C000-memory.dmp

memory/3128-43-0x0000000007BA0000-0x0000000007BEC000-memory.dmp

memory/3128-44-0x0000000073AB0000-0x0000000074260000-memory.dmp

memory/3128-45-0x0000000005350000-0x0000000005360000-memory.dmp