Analysis Overview
SHA256
4b98261cb99fb689326cea06f94e4c6e10c17c54ca464de3b3ee5471963785bb
Threat Level: Known bad
The file NEAS.4b98261cb99fb689326cea06f94e4c6e10c17c54ca464de3b3ee5471963785bb.exe was found to be: Known bad.
Malicious Activity Summary
RedLine payload
Detect Mystic stealer payload
Mystic
RedLine
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-11-11 10:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-11-11 10:45
Reported
2023-11-11 10:48
Platform
win10v2004-20231023-en
Max time kernel
168s
Max time network
177s
Command Line
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
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\5Du72CF.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RC0uB10.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Ww135gs.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4fg9RR4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Du72CF.exe | N/A |
Adds Run key to start application
| 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.4b98261cb99fb689326cea06f94e4c6e10c17c54ca464de3b3ee5471963785bb.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\RC0uB10.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3520 set thread context of 4904 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Ww135gs.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
| PID 3860 set thread context of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4fg9RR4.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\NEAS.4b98261cb99fb689326cea06f94e4c6e10c17c54ca464de3b3ee5471963785bb.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.4b98261cb99fb689326cea06f94e4c6e10c17c54ca464de3b3ee5471963785bb.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RC0uB10.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RC0uB10.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Ww135gs.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Ww135gs.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:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4fg9RR4.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4fg9RR4.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4904 -ip 4904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 540
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\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\5Du72CF.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Du72CF.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 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 198.1.85.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| RU | 5.42.92.51:19057 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.252.72.23.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 | 11.227.111.52.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 |
| RU | 5.42.92.51:19057 | tcp | |
| RU | 5.42.92.51:19057 | tcp | |
| US | 8.8.8.8:53 | 27.178.89.13.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\RC0uB10.exe
| MD5 | dc21b283715511b6176aa275d52088ab |
| SHA1 | 50c3e46d9c403eae8f19b77784689d430f647b03 |
| SHA256 | 2807a2ad986309ef72c47d04f1789cba94c745d75459ec9dcdd87271a55fd49a |
| SHA512 | 5e216595580ecac5745862a993135ca60b97651a84590c5206018352069a53f1faca5cccbe6c83ecc87bdf9faa4fb6f7df180ea491ca25db6c1ca900e16765b7 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RC0uB10.exe
| MD5 | dc21b283715511b6176aa275d52088ab |
| SHA1 | 50c3e46d9c403eae8f19b77784689d430f647b03 |
| SHA256 | 2807a2ad986309ef72c47d04f1789cba94c745d75459ec9dcdd87271a55fd49a |
| SHA512 | 5e216595580ecac5745862a993135ca60b97651a84590c5206018352069a53f1faca5cccbe6c83ecc87bdf9faa4fb6f7df180ea491ca25db6c1ca900e16765b7 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Ww135gs.exe
| MD5 | 784667bb96ccb30c4cf44f2c5f493769 |
| SHA1 | 28185165ab4dbbb4a139ae1af0bb6934ebe05c04 |
| SHA256 | 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9 |
| SHA512 | 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Ww135gs.exe
| MD5 | 784667bb96ccb30c4cf44f2c5f493769 |
| SHA1 | 28185165ab4dbbb4a139ae1af0bb6934ebe05c04 |
| SHA256 | 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9 |
| SHA512 | 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20 |
memory/4904-14-0x0000000000400000-0x0000000000433000-memory.dmp
memory/4904-15-0x0000000000400000-0x0000000000433000-memory.dmp
memory/4904-16-0x0000000000400000-0x0000000000433000-memory.dmp
memory/4904-18-0x0000000000400000-0x0000000000433000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4fg9RR4.exe
| MD5 | 14d9834611ad581afcfea061652ff6cb |
| SHA1 | 802f964d0be7858eb2f1e7c6fcda03501fd1b71c |
| SHA256 | e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60 |
| SHA512 | cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4fg9RR4.exe
| MD5 | 14d9834611ad581afcfea061652ff6cb |
| SHA1 | 802f964d0be7858eb2f1e7c6fcda03501fd1b71c |
| SHA256 | e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60 |
| SHA512 | cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5 |
memory/3644-22-0x0000000000400000-0x000000000043C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Du72CF.exe
| MD5 | 1c7ecf56a3c17cd5f76e75ffa351cb2d |
| SHA1 | 8fdcbfed385d98add8ba7e10ee4df9dbbac59b3d |
| SHA256 | fd1c47ee57fc16d06a2f959537aa8117a84a5f19830260aae7ae9fd38d2b02be |
| SHA512 | 667a9f813fb047d6be096b68175ad99290e10a82368a1e9ff230817a779aff2a52dee785ddd5afe7798b163ee86120e1268a0ea35d1b959573e0f15b069875e2 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Du72CF.exe
| MD5 | 1c7ecf56a3c17cd5f76e75ffa351cb2d |
| SHA1 | 8fdcbfed385d98add8ba7e10ee4df9dbbac59b3d |
| SHA256 | fd1c47ee57fc16d06a2f959537aa8117a84a5f19830260aae7ae9fd38d2b02be |
| SHA512 | 667a9f813fb047d6be096b68175ad99290e10a82368a1e9ff230817a779aff2a52dee785ddd5afe7798b163ee86120e1268a0ea35d1b959573e0f15b069875e2 |
memory/3644-28-0x0000000073D30000-0x00000000744E0000-memory.dmp
memory/3644-30-0x0000000007E10000-0x00000000083B4000-memory.dmp
memory/3644-31-0x0000000007940000-0x00000000079D2000-memory.dmp
memory/3644-33-0x0000000007AB0000-0x0000000007AC0000-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/3644-38-0x0000000007A10000-0x0000000007A1A000-memory.dmp
memory/3644-39-0x00000000089E0000-0x0000000008FF8000-memory.dmp
memory/3644-40-0x0000000007CC0000-0x0000000007DCA000-memory.dmp
memory/3644-41-0x0000000007BE0000-0x0000000007BF2000-memory.dmp
memory/3644-42-0x0000000007C40000-0x0000000007C7C000-memory.dmp
memory/3644-43-0x00000000083C0000-0x000000000840C000-memory.dmp
memory/3644-44-0x0000000073D30000-0x00000000744E0000-memory.dmp
memory/3644-45-0x0000000007AB0000-0x0000000007AC0000-memory.dmp