Malware Analysis Report

2024-12-08 01:09

Sample ID 231111-mjbwpaee23
Target NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe
SHA256 a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98
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

a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98

Threat Level: Known bad

The file NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.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

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-11 10:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:29

Reported

2023-11-11 10:33

Platform

win10v2004-20231023-en

Max time kernel

211s

Max time network

230s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.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\7EP5eS75.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.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.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\wq0HD66.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2552 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe
PID 2552 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe
PID 2552 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe
PID 4412 wrote to memory of 4832 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe
PID 4412 wrote to memory of 4832 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe
PID 4412 wrote to memory of 4832 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe
PID 4832 wrote to memory of 3120 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4832 wrote to memory of 3120 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4832 wrote to memory of 3120 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4832 wrote to memory of 3120 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4832 wrote to memory of 3120 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4832 wrote to memory of 3120 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4832 wrote to memory of 3120 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4832 wrote to memory of 3120 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4832 wrote to memory of 3120 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4832 wrote to memory of 3120 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4412 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe
PID 4412 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe
PID 4412 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe
PID 4200 wrote to memory of 3496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4200 wrote to memory of 3496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4200 wrote to memory of 3496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4200 wrote to memory of 3496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4200 wrote to memory of 3496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4200 wrote to memory of 3496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4200 wrote to memory of 3496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4200 wrote to memory of 3496 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2552 wrote to memory of 4920 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7EP5eS75.exe
PID 2552 wrote to memory of 4920 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7EP5eS75.exe
PID 2552 wrote to memory of 4920 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7EP5eS75.exe
PID 4920 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7EP5eS75.exe C:\Windows\SysWOW64\cmd.exe
PID 4920 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7EP5eS75.exe C:\Windows\SysWOW64\cmd.exe
PID 4920 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7EP5eS75.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.a468d20f44f8ce7976d9988f72aa2f8aec002ce9c60d1ca3540dc1b3194c4d98.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.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\2VZ5714.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3120 -ip 3120

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -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\7EP5eS75.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7EP5eS75.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 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 254.21.238.8.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 65.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 163.252.72.23.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe

MD5 9e87fa45cb51d77f6675afc1112ed7a2
SHA1 e1b85e4b1a37062fdc825d7d26dddbbd824064b0
SHA256 0255264f5e0ad82e694fce6d56c7c3a324de652f39a5a93f9909ca13d53c5e22
SHA512 003ce7a479307f6fbd0ac89383236937b0ebcd42fb5a8c264258ba2a295c304302b61b20a822d111bc1b4c6509c602b0590efdc1333f7ee7e3cf505d78050d1b

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wq0HD66.exe

MD5 9e87fa45cb51d77f6675afc1112ed7a2
SHA1 e1b85e4b1a37062fdc825d7d26dddbbd824064b0
SHA256 0255264f5e0ad82e694fce6d56c7c3a324de652f39a5a93f9909ca13d53c5e22
SHA512 003ce7a479307f6fbd0ac89383236937b0ebcd42fb5a8c264258ba2a295c304302b61b20a822d111bc1b4c6509c602b0590efdc1333f7ee7e3cf505d78050d1b

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1vA21BE1.exe

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

memory/3120-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3120-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3120-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3120-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2VZ5714.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/3496-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7EP5eS75.exe

MD5 98b2d0594d55b08f15a2e80863fe3ab6
SHA1 0b3404dc0426d545c6d967ea673669130428faa1
SHA256 8c9e6e55648aa457c936106ea512e0c0d69c11a22214791f68bfdbd372ec5712
SHA512 c95ae3b62ca258f11f75af8ab8a23b002ff01ae37b63c6e132d4833df977d692a1e489f26c1d11eeee3b887a42f445aaaaadb6788ee0e954350bad3659a5d59b

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7EP5eS75.exe

MD5 98b2d0594d55b08f15a2e80863fe3ab6
SHA1 0b3404dc0426d545c6d967ea673669130428faa1
SHA256 8c9e6e55648aa457c936106ea512e0c0d69c11a22214791f68bfdbd372ec5712
SHA512 c95ae3b62ca258f11f75af8ab8a23b002ff01ae37b63c6e132d4833df977d692a1e489f26c1d11eeee3b887a42f445aaaaadb6788ee0e954350bad3659a5d59b

memory/3496-28-0x0000000073850000-0x0000000074000000-memory.dmp

memory/3496-29-0x00000000079A0000-0x0000000007F44000-memory.dmp

memory/3496-30-0x00000000074D0000-0x0000000007562000-memory.dmp

memory/3496-32-0x0000000007620000-0x0000000007630000-memory.dmp

memory/3496-34-0x0000000007590000-0x000000000759A000-memory.dmp

memory/3496-35-0x0000000073850000-0x0000000074000000-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/3496-40-0x0000000007620000-0x0000000007630000-memory.dmp