Malware Analysis Report

2024-12-08 01:25

Sample ID 231111-mxzvnsdh7x
Target NEAS.54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e.exe
SHA256 54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e
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

54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e

Threat Level: Known bad

The file NEAS.54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

RedLine

Detect Mystic stealer payload

Mystic

RedLine 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 10:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:51

Reported

2023-11-11 10:54

Platform

win10v2004-20231023-en

Max time kernel

177s

Max time network

204s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e.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-1-5-21-1114462139-3090196418-29517368-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7xa8fc79.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.54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e.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\jj0UI95.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4184 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe
PID 4184 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe
PID 4184 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe
PID 868 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe
PID 868 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe
PID 868 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe
PID 1328 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1328 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1328 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1328 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1328 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1328 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1328 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1328 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1328 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1328 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 868 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe
PID 868 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe
PID 868 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe
PID 2860 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2860 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2860 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2860 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2860 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2860 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2860 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2860 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4184 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7xa8fc79.exe
PID 4184 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7xa8fc79.exe
PID 4184 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7xa8fc79.exe
PID 2452 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7xa8fc79.exe C:\Windows\SysWOW64\cmd.exe
PID 2452 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7xa8fc79.exe C:\Windows\SysWOW64\cmd.exe
PID 2452 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7xa8fc79.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.54698c1dfe50107b7104bb63530d76c7fed9c967e7ae8225a4138883bf6fe61e.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.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 420 -p 208 -ip 208

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 208 -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\7xa8fc79.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7xa8fc79.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 163.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.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
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 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.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 8.8.8.8:53 104.193.132.51.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 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe

MD5 0f27591081975591936ca5f924a34e79
SHA1 82da99d69c5110871e509b542ba1e78a417a77a4
SHA256 c785980f3de894b7af7b0ff205e37715c9b929331a93c3bb5792e9b6e0bf90a6
SHA512 b298bfbcc17c00f5864f3d33ab9116ce717cd9ab53983b81ff6d6e675045beb814fd58ee1217b364d4da04cb91b2dc7d6894d13c88f8f12cc82e60fa7e57c7bb

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jj0UI95.exe

MD5 0f27591081975591936ca5f924a34e79
SHA1 82da99d69c5110871e509b542ba1e78a417a77a4
SHA256 c785980f3de894b7af7b0ff205e37715c9b929331a93c3bb5792e9b6e0bf90a6
SHA512 b298bfbcc17c00f5864f3d33ab9116ce717cd9ab53983b81ff6d6e675045beb814fd58ee1217b364d4da04cb91b2dc7d6894d13c88f8f12cc82e60fa7e57c7bb

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe

MD5 27aee60af2215c3d1195b9ce7265316d
SHA1 18cff80695a368c701c7a9d231e36e509c2961b3
SHA256 7e74300a3d11254e7a523faedb8f52c16a08d0067cbb645d81c106c0cdb91d54
SHA512 9c3521403e269fc21a8ea24250be39a35ff1257b279efe404311cf52d9210266634cc0cfc9018ba57b09bfdd9e1228ffb35bbe6c0b99f5cc98c2c1e359c935fa

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1sy67sn6.exe

MD5 27aee60af2215c3d1195b9ce7265316d
SHA1 18cff80695a368c701c7a9d231e36e509c2961b3
SHA256 7e74300a3d11254e7a523faedb8f52c16a08d0067cbb645d81c106c0cdb91d54
SHA512 9c3521403e269fc21a8ea24250be39a35ff1257b279efe404311cf52d9210266634cc0cfc9018ba57b09bfdd9e1228ffb35bbe6c0b99f5cc98c2c1e359c935fa

memory/208-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/208-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/208-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/208-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe

MD5 ee704c4654d092beaad2cf3f778a2ad3
SHA1 a1de3f5030415612a851b1d8fa5699693819cb5a
SHA256 4a25ec8bbca6c7f832d51cca517354b467169b316a1b22d40917b17297ced980
SHA512 c3fef5766224e57b5f232093a41f9eb99b073136c2c57bc06d0c082b7e23cd15ce1039f111fb4cc3cb25a0629058978ab01cc0057e70e23b61e197f6be7a6c55

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2wB6789.exe

MD5 ee704c4654d092beaad2cf3f778a2ad3
SHA1 a1de3f5030415612a851b1d8fa5699693819cb5a
SHA256 4a25ec8bbca6c7f832d51cca517354b467169b316a1b22d40917b17297ced980
SHA512 c3fef5766224e57b5f232093a41f9eb99b073136c2c57bc06d0c082b7e23cd15ce1039f111fb4cc3cb25a0629058978ab01cc0057e70e23b61e197f6be7a6c55

memory/2420-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7xa8fc79.exe

MD5 b5910ebcf83035a430a8cd05e7faf282
SHA1 a3320d0a4f58e6eca26dad45ee3feb5ec3d093ac
SHA256 8d5a6c3d05953a1da0f23e59a1a0376b43467ddc2dd73ab2b7d70ef1c41ba6a7
SHA512 1c2e52465533e06470a12f98b350af868fa36be673a2c49905a390cf2304d7bd4f7271ccf5f2195155fd765aba9359af376ae59849079783811d20a51b56b2d0

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7xa8fc79.exe

MD5 b5910ebcf83035a430a8cd05e7faf282
SHA1 a3320d0a4f58e6eca26dad45ee3feb5ec3d093ac
SHA256 8d5a6c3d05953a1da0f23e59a1a0376b43467ddc2dd73ab2b7d70ef1c41ba6a7
SHA512 1c2e52465533e06470a12f98b350af868fa36be673a2c49905a390cf2304d7bd4f7271ccf5f2195155fd765aba9359af376ae59849079783811d20a51b56b2d0

memory/2420-28-0x0000000073F80000-0x0000000074730000-memory.dmp

memory/2420-29-0x0000000007810000-0x0000000007DB4000-memory.dmp

memory/2420-31-0x0000000007260000-0x00000000072F2000-memory.dmp

memory/2420-33-0x0000000004D30000-0x0000000004D40000-memory.dmp

memory/2420-34-0x0000000007300000-0x000000000730A000-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/2420-39-0x00000000083E0000-0x00000000089F8000-memory.dmp

memory/2420-40-0x00000000075D0000-0x00000000076DA000-memory.dmp

memory/2420-41-0x00000000074E0000-0x00000000074F2000-memory.dmp

memory/2420-42-0x0000000007540000-0x000000000757C000-memory.dmp

memory/2420-43-0x0000000007580000-0x00000000075CC000-memory.dmp

memory/2420-44-0x0000000073F80000-0x0000000074730000-memory.dmp

memory/2420-45-0x0000000004D30000-0x0000000004D40000-memory.dmp