Malware Analysis Report

2024-12-08 01:24

Sample ID 231111-m2sxxseh64
Target NEAS.df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4.exe
SHA256 df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4
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

df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4

Threat Level: Known bad

The file NEAS.df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

RedLine payload

Mystic

Detect Mystic stealer payload

RedLine

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-11 10:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:58

Reported

2023-11-11 11:01

Platform

win10v2004-20231023-en

Max time kernel

187s

Max time network

203s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4.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\7SS3RK16.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.df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4.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\Yb0CA97.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 536 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yb0CA97.exe
PID 536 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yb0CA97.exe
PID 536 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yb0CA97.exe
PID 2024 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yb0CA97.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe
PID 2024 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yb0CA97.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe
PID 2024 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yb0CA97.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe
PID 4336 wrote to memory of 3972 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4336 wrote to memory of 3972 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4336 wrote to memory of 3972 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4336 wrote to memory of 4880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4336 wrote to memory of 4880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4336 wrote to memory of 4880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4336 wrote to memory of 4880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4336 wrote to memory of 4880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4336 wrote to memory of 4880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4336 wrote to memory of 4880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4336 wrote to memory of 4880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4336 wrote to memory of 4880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4336 wrote to memory of 4880 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2024 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yb0CA97.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe
PID 2024 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yb0CA97.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe
PID 2024 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yb0CA97.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe
PID 2184 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2184 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2184 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2184 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2184 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2184 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2184 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2184 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 536 wrote to memory of 5004 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SS3RK16.exe
PID 536 wrote to memory of 5004 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SS3RK16.exe
PID 536 wrote to memory of 5004 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SS3RK16.exe
PID 5004 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SS3RK16.exe C:\Windows\SysWOW64\cmd.exe
PID 5004 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SS3RK16.exe C:\Windows\SysWOW64\cmd.exe
PID 5004 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SS3RK16.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.df1a8fe7406dc8b98b55e821d2d60a7941c25ea2cdadf7cf9bbbabce8fc0aca4.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yb0CA97.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yb0CA97.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.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:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4880 -ip 4880

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.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\7SS3RK16.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SS3RK16.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 540

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 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 163.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 254.3.248.8.in-addr.arpa udp
US 8.8.8.8:53 154.141.79.40.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\Yb0CA97.exe

MD5 5b75501079cc34b1da14c6040ed6f0ab
SHA1 68521095bb535f8d97f31b93245f5f9393e87189
SHA256 22a17ac6b0258bfddf0a05585f025bdd34a76a723d65076a69f9d713b036606f
SHA512 d6f0a57bdf1e41b02a529394b912de1e661c75dd6641b968d8e9ca8b861887b5f5632a011bf43c632e85a283ab50b46495b3f5b7843404683e9643589f910fae

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yb0CA97.exe

MD5 5b75501079cc34b1da14c6040ed6f0ab
SHA1 68521095bb535f8d97f31b93245f5f9393e87189
SHA256 22a17ac6b0258bfddf0a05585f025bdd34a76a723d65076a69f9d713b036606f
SHA512 d6f0a57bdf1e41b02a529394b912de1e661c75dd6641b968d8e9ca8b861887b5f5632a011bf43c632e85a283ab50b46495b3f5b7843404683e9643589f910fae

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hp42Zb2.exe

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

memory/4880-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4880-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4880-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4880-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2DN7776.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/2232-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SS3RK16.exe

MD5 e29f97db3c2a0b23e4d8645b222a4d72
SHA1 d686813b86152af13cfeb0a8eac6463c296b0280
SHA256 efe7af069d4ed99ebead10f7bbc4056dcbb27f469441dfce16f7b71d798e6ec0
SHA512 42e199da2ca130ab87bb7fabac923c9c5801ae367d26e38be8c74b0a29f232a2dd4dddb988609d884f591a74922522e73fbea2b79f1af45a7233ac74809566fe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7SS3RK16.exe

MD5 e29f97db3c2a0b23e4d8645b222a4d72
SHA1 d686813b86152af13cfeb0a8eac6463c296b0280
SHA256 efe7af069d4ed99ebead10f7bbc4056dcbb27f469441dfce16f7b71d798e6ec0
SHA512 42e199da2ca130ab87bb7fabac923c9c5801ae367d26e38be8c74b0a29f232a2dd4dddb988609d884f591a74922522e73fbea2b79f1af45a7233ac74809566fe

memory/2232-28-0x0000000073810000-0x0000000073FC0000-memory.dmp

memory/2232-30-0x00000000082A0000-0x0000000008844000-memory.dmp

memory/2232-32-0x0000000007D90000-0x0000000007E22000-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/2232-37-0x0000000007FF0000-0x0000000008000000-memory.dmp

memory/2232-38-0x0000000007FA0000-0x0000000007FAA000-memory.dmp

memory/2232-39-0x0000000008E70000-0x0000000009488000-memory.dmp

memory/2232-40-0x0000000008960000-0x0000000008A6A000-memory.dmp

memory/2232-41-0x0000000008270000-0x0000000008282000-memory.dmp

memory/2232-42-0x0000000008890000-0x00000000088CC000-memory.dmp

memory/2232-43-0x00000000088D0000-0x000000000891C000-memory.dmp

memory/2232-44-0x0000000073810000-0x0000000073FC0000-memory.dmp

memory/2232-45-0x0000000007FF0000-0x0000000008000000-memory.dmp