Malware Analysis Report

2024-12-08 01:25

Sample ID 231111-mykgdaeg79
Target NEAS.78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512.exe
SHA256 78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512
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

78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512

Threat Level: Known bad

The file NEAS.78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

RedLine

RedLine payload

Mystic

Detect Mystic stealer payload

Executes dropped EXE

Checks computer location settings

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 10:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:52

Reported

2023-11-11 10:55

Platform

win10v2004-20231020-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512.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\7CK2YQ39.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_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\tn1bu85.exe N/A
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.78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4528 wrote to memory of 4172 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe
PID 4528 wrote to memory of 4172 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe
PID 4528 wrote to memory of 4172 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe
PID 4172 wrote to memory of 4208 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe
PID 4172 wrote to memory of 4208 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe
PID 4172 wrote to memory of 4208 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe
PID 4208 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4208 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4208 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4208 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4208 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4208 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4208 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4208 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4208 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4208 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4172 wrote to memory of 5020 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe
PID 4172 wrote to memory of 5020 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe
PID 4172 wrote to memory of 5020 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe
PID 5020 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5020 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5020 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5020 wrote to memory of 3464 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5020 wrote to memory of 3464 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5020 wrote to memory of 3464 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5020 wrote to memory of 3464 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5020 wrote to memory of 3464 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5020 wrote to memory of 3464 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5020 wrote to memory of 3464 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5020 wrote to memory of 3464 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4528 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7CK2YQ39.exe
PID 4528 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7CK2YQ39.exe
PID 4528 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7CK2YQ39.exe
PID 5040 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7CK2YQ39.exe C:\Windows\SysWOW64\cmd.exe
PID 5040 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7CK2YQ39.exe C:\Windows\SysWOW64\cmd.exe
PID 5040 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7CK2YQ39.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.78708bd5cf0ae4984f6892f84deab9c94ebdb43ccb87fc63a039f2735bdac512.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.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\2WR6073.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 4684 -ip 4684

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 -u -p 4684 -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\7CK2YQ39.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7CK2YQ39.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 75.159.190.20.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 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
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 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 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 130.109.69.13.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe

MD5 56b945c012449acef4677bd8d50bc94e
SHA1 25049b31e90d3b80520b8f7b06ffca62bc289afb
SHA256 44191b195ff95be0e545e779486880964c1534a1750265364282efad70c7e4fb
SHA512 9cf8639d1d7d5b4a303f277906cb9a52a6da60bb713bdb132d775f70cab6c3c327a69432401c1ddcba113457bc52cabec64bf954a07e30e13c47d92892dd48e2

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tn1bu85.exe

MD5 56b945c012449acef4677bd8d50bc94e
SHA1 25049b31e90d3b80520b8f7b06ffca62bc289afb
SHA256 44191b195ff95be0e545e779486880964c1534a1750265364282efad70c7e4fb
SHA512 9cf8639d1d7d5b4a303f277906cb9a52a6da60bb713bdb132d775f70cab6c3c327a69432401c1ddcba113457bc52cabec64bf954a07e30e13c47d92892dd48e2

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Mf95xw8.exe

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

memory/4684-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4684-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4684-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4684-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2WR6073.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/3464-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7CK2YQ39.exe

MD5 15999713938fda656b46a8ab1fcde1e0
SHA1 98bbb51d40462829a3e5657c30afbca2f77df68b
SHA256 9734883c0426816ade4f47f9354418ee55662857c479f0bcb3b32a73d54a1662
SHA512 507dd850c5d58fe8d0597a02990eade5373c2a4e4be8fccdd77612621a7af8d8b2b85ad44f39d453ca8ac26e2710b816d06b7654bb82b30eb9ed7516d4e12a66

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7CK2YQ39.exe

MD5 15999713938fda656b46a8ab1fcde1e0
SHA1 98bbb51d40462829a3e5657c30afbca2f77df68b
SHA256 9734883c0426816ade4f47f9354418ee55662857c479f0bcb3b32a73d54a1662
SHA512 507dd850c5d58fe8d0597a02990eade5373c2a4e4be8fccdd77612621a7af8d8b2b85ad44f39d453ca8ac26e2710b816d06b7654bb82b30eb9ed7516d4e12a66

memory/3464-28-0x0000000074340000-0x0000000074AF0000-memory.dmp

memory/3464-30-0x0000000007F40000-0x00000000084E4000-memory.dmp

memory/3464-32-0x0000000007990000-0x0000000007A22000-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/3464-37-0x0000000007BD0000-0x0000000007BE0000-memory.dmp

memory/3464-38-0x0000000007B90000-0x0000000007B9A000-memory.dmp

memory/3464-39-0x0000000008B10000-0x0000000009128000-memory.dmp

memory/3464-40-0x0000000007D40000-0x0000000007E4A000-memory.dmp

memory/3464-41-0x0000000007C70000-0x0000000007C82000-memory.dmp

memory/3464-42-0x0000000007CD0000-0x0000000007D0C000-memory.dmp

memory/3464-43-0x0000000007E50000-0x0000000007E9C000-memory.dmp

memory/3464-44-0x0000000074340000-0x0000000074AF0000-memory.dmp

memory/3464-45-0x0000000007BD0000-0x0000000007BE0000-memory.dmp