Malware Analysis Report

2024-12-08 01:25

Sample ID 231111-mx3xbsdh71
Target NEAS.94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1.exe
SHA256 94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1
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

94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1

Threat Level: Known bad

The file NEAS.94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

Detect Mystic stealer payload

Mystic

RedLine payload

RedLine

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Unsigned PE

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

win10v2004-20231020-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1.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-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7he5tR34.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.94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1.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\sx8Xn63.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2204 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe
PID 2204 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe
PID 2204 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe
PID 4628 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe
PID 4628 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe
PID 4628 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe
PID 1612 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1612 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1612 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1612 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1612 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1612 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1612 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1612 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1612 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1612 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4628 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe
PID 4628 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe
PID 4628 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe
PID 2380 wrote to memory of 3792 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2380 wrote to memory of 3792 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2380 wrote to memory of 3792 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2380 wrote to memory of 3792 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2380 wrote to memory of 3792 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2380 wrote to memory of 3792 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2380 wrote to memory of 3792 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2380 wrote to memory of 3792 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2204 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7he5tR34.exe
PID 2204 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7he5tR34.exe
PID 2204 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7he5tR34.exe
PID 4788 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7he5tR34.exe C:\Windows\SysWOW64\cmd.exe
PID 4788 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7he5tR34.exe C:\Windows\SysWOW64\cmd.exe
PID 4788 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7he5tR34.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.94781d35282152aad8ab0f88cf76e5559aee6e058db31f8d83655c2710e9b8a1.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.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\2hK8649.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2336 -ip 2336

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2336 -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\7he5tR34.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7he5tR34.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 8.8.8.8:53 138.32.126.40.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 8.8.8.8:53 240.221.184.93.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 8.8.8.8:53 198.1.85.104.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
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 112.208.253.8.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
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 57.169.31.20.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 8.8.8.8:53 104.193.132.51.in-addr.arpa udp
RU 5.42.92.51:19057 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe

MD5 4493936ade3c11e5335dc35eefd6a11e
SHA1 c96881909e0d064c3800c268df19b7d79f35e5fa
SHA256 ed880ea053efdad2c43cacf08cda849eb04413f0d9913a97eda622d41af25200
SHA512 8d1a209cfe1a001bc90da4e0a6e90636b99a866a4c307f9be6ff109c9e28183e095d9e6cdf6668d163a601dfe4487c751622dd867d5c29423284aa07612a4b98

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sx8Xn63.exe

MD5 4493936ade3c11e5335dc35eefd6a11e
SHA1 c96881909e0d064c3800c268df19b7d79f35e5fa
SHA256 ed880ea053efdad2c43cacf08cda849eb04413f0d9913a97eda622d41af25200
SHA512 8d1a209cfe1a001bc90da4e0a6e90636b99a866a4c307f9be6ff109c9e28183e095d9e6cdf6668d163a601dfe4487c751622dd867d5c29423284aa07612a4b98

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1tG58GJ7.exe

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

memory/2336-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/2336-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/2336-16-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/2336-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hK8649.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/3792-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7he5tR34.exe

MD5 095c36e33faddbceebd12b75fb671301
SHA1 be36bbf7fe508652357f02395874a388ed8f5184
SHA256 1413c08eae7e582a273ed3b98578f4ca067de6c14951b6d7d96bf802586db3f5
SHA512 831baf5c07ffcf5ce9e646de656c0b0a88805b0ffcb7a9a3e10f323e3fab9955e8bca2d9ec6637e52c529f404b08b6293c9d4ffcd589f29f0c63cd140952bbf5

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7he5tR34.exe

MD5 095c36e33faddbceebd12b75fb671301
SHA1 be36bbf7fe508652357f02395874a388ed8f5184
SHA256 1413c08eae7e582a273ed3b98578f4ca067de6c14951b6d7d96bf802586db3f5
SHA512 831baf5c07ffcf5ce9e646de656c0b0a88805b0ffcb7a9a3e10f323e3fab9955e8bca2d9ec6637e52c529f404b08b6293c9d4ffcd589f29f0c63cd140952bbf5

memory/3792-28-0x00000000741C0000-0x0000000074970000-memory.dmp

memory/3792-30-0x00000000072C0000-0x0000000007864000-memory.dmp

memory/3792-32-0x0000000006DF0000-0x0000000006E82000-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/3792-37-0x0000000006F90000-0x0000000006FA0000-memory.dmp

memory/3792-38-0x0000000006FC0000-0x0000000006FCA000-memory.dmp

memory/3792-39-0x0000000007E90000-0x00000000084A8000-memory.dmp

memory/3792-40-0x0000000007160000-0x000000000726A000-memory.dmp

memory/3792-41-0x0000000007090000-0x00000000070A2000-memory.dmp

memory/3792-42-0x00000000070F0000-0x000000000712C000-memory.dmp

memory/3792-43-0x0000000007270000-0x00000000072BC000-memory.dmp

memory/3792-44-0x00000000741C0000-0x0000000074970000-memory.dmp

memory/3792-45-0x0000000006F90000-0x0000000006FA0000-memory.dmp