Malware Analysis Report

2024-12-08 00:56

Sample ID 231111-mpmv5sdg2v
Target NEAS.e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6.exe
SHA256 e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6
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

e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6

Threat Level: Known bad

The file NEAS.e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

Detect Mystic stealer payload

Mystic

RedLine

RedLine payload

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-11 10:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:38

Reported

2023-11-11 10:41

Platform

win10v2004-20231023-en

Max time kernel

150s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6.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-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Qy62bS.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.e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6.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\Rt6PF36.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2324 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe
PID 2324 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe
PID 2324 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe
PID 1500 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe
PID 1500 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe
PID 1500 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe
PID 2404 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2404 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2404 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2404 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2404 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2404 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2404 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2404 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2404 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2404 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1500 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe
PID 1500 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe
PID 1500 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe
PID 3180 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3132 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3132 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3132 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3988 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3988 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3988 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3988 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3988 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3988 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3988 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3180 wrote to memory of 3988 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2324 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Qy62bS.exe
PID 2324 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Qy62bS.exe
PID 2324 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Qy62bS.exe
PID 4196 wrote to memory of 764 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Qy62bS.exe C:\Windows\SysWOW64\cmd.exe
PID 4196 wrote to memory of 764 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Qy62bS.exe C:\Windows\SysWOW64\cmd.exe
PID 4196 wrote to memory of 764 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Qy62bS.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.e0f39e5eced84a8d0eb463e781a5c95d48a72e6175de2f861cfec8a0b11891c6.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.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 448 -p 2488 -ip 2488

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -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\5Qy62bS.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Qy62bS.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 121.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 126.177.238.8.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 8.8.8.8:53 2.136.104.51.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
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 254.21.238.8.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp
RU 5.42.92.51:19057 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe

MD5 c37855602e3d6c2ec8c62daaa15db6ad
SHA1 a08d12f14e164a3be9e4ad70268b0655988c8778
SHA256 eefdaf86eea7ef2e8cc05486fad88232ea92d88d683ed515a5d277a5cf80d72f
SHA512 39eb8bac9fe9e2c5c4605e7c75133a7392057e38831cf7f199fc3cff03e1f81850c94721a275ebc3c78e9a09d546f56922e92c3e2689bdd21387eed68061c4b6

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rt6PF36.exe

MD5 c37855602e3d6c2ec8c62daaa15db6ad
SHA1 a08d12f14e164a3be9e4ad70268b0655988c8778
SHA256 eefdaf86eea7ef2e8cc05486fad88232ea92d88d683ed515a5d277a5cf80d72f
SHA512 39eb8bac9fe9e2c5c4605e7c75133a7392057e38831cf7f199fc3cff03e1f81850c94721a275ebc3c78e9a09d546f56922e92c3e2689bdd21387eed68061c4b6

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jd243HO.exe

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

memory/2488-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/2488-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/2488-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/2488-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4qe0Hq1.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/3988-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Qy62bS.exe

MD5 b5d20a2b79b4fdf1719fcb0941afbe85
SHA1 676b554010f8970a83094c846e24c63d3e2f4749
SHA256 385b4ec9b428d372fca1797de074f35cc3db77ec1c3ddfc1137e8797a9923664
SHA512 603dd3807c15f9c9279461e45887523078a482befa4e8fea44ea9cddc07ca327a915b7d96c7e0917695e829355950b458c59ef31521d3ee18ff69e8cb7c7e6a6

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5Qy62bS.exe

MD5 b5d20a2b79b4fdf1719fcb0941afbe85
SHA1 676b554010f8970a83094c846e24c63d3e2f4749
SHA256 385b4ec9b428d372fca1797de074f35cc3db77ec1c3ddfc1137e8797a9923664
SHA512 603dd3807c15f9c9279461e45887523078a482befa4e8fea44ea9cddc07ca327a915b7d96c7e0917695e829355950b458c59ef31521d3ee18ff69e8cb7c7e6a6

memory/3988-28-0x0000000073F90000-0x0000000074740000-memory.dmp

memory/3988-31-0x0000000008090000-0x0000000008634000-memory.dmp

memory/3988-32-0x0000000007BC0000-0x0000000007C52000-memory.dmp

memory/3988-33-0x0000000007E00000-0x0000000007E10000-memory.dmp

memory/3988-34-0x0000000007B90000-0x0000000007B9A000-memory.dmp

memory/3988-35-0x0000000008C60000-0x0000000009278000-memory.dmp

memory/3988-36-0x0000000007F20000-0x000000000802A000-memory.dmp

memory/3988-37-0x0000000007E10000-0x0000000007E22000-memory.dmp

memory/3988-38-0x0000000007E70000-0x0000000007EAC000-memory.dmp

memory/3988-39-0x0000000007EB0000-0x0000000007EFC000-memory.dmp

memory/3988-40-0x0000000073F90000-0x0000000074740000-memory.dmp

memory/3988-41-0x0000000007E00000-0x0000000007E10000-memory.dmp