Malware Analysis Report

2024-12-08 01:26

Sample ID 231111-m3gw2sea7y
Target NEAS.2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e.exe
SHA256 2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e
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

2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e

Threat Level: Known bad

The file NEAS.2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e.exe was found to be: Known bad.

Malicious Activity Summary

mystic redline taiga infostealer persistence stealer

Detect Mystic stealer payload

RedLine

RedLine payload

Mystic

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-11 10:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-11 10:59

Reported

2023-11-11 11:01

Platform

win10v2004-20231023-en

Max time kernel

138s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e.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-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sf13EG.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.2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e.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\CB2Rb39.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2112 wrote to memory of 5032 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe
PID 2112 wrote to memory of 5032 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe
PID 2112 wrote to memory of 5032 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe
PID 5032 wrote to memory of 1180 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe
PID 5032 wrote to memory of 1180 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe
PID 5032 wrote to memory of 1180 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe
PID 1180 wrote to memory of 3692 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1180 wrote to memory of 3692 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1180 wrote to memory of 3692 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1180 wrote to memory of 3692 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1180 wrote to memory of 3692 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1180 wrote to memory of 3692 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1180 wrote to memory of 3692 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1180 wrote to memory of 3692 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1180 wrote to memory of 3692 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1180 wrote to memory of 3692 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5032 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe
PID 5032 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe
PID 5032 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe
PID 2068 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2068 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2068 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2068 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2068 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2068 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2068 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2068 wrote to memory of 4528 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2112 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sf13EG.exe
PID 2112 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sf13EG.exe
PID 2112 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sf13EG.exe
PID 4844 wrote to memory of 1088 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sf13EG.exe C:\Windows\SysWOW64\cmd.exe
PID 4844 wrote to memory of 1088 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sf13EG.exe C:\Windows\SysWOW64\cmd.exe
PID 4844 wrote to memory of 1088 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sf13EG.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.2163d810df3b364f1599e08f79e12789f08a25a5a515e2657d1a33fc6abdb91e.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.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\4Hq4LT3.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3692 -ip 3692

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -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\5sf13EG.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sf13EG.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 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 121.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.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
US 8.8.8.8:53 57.169.31.20.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 5.42.92.51:19057 tcp
RU 5.42.92.51:19057 tcp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp
RU 5.42.92.51:19057 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe

MD5 be5de710b6b437012af51481c2c0e504
SHA1 40e9734d79191d3fb9ccbfa6cc0399c2896fe2f9
SHA256 adc582b54ff1f508624216d4f7a4a1b5889d4197e2cb9dc3c98c0e11ffe09df5
SHA512 a9b37cafec46096b157e312b2a21092e28a6fc20647407361a0933d8db519003ab1d5e0eaf2b46dc4e8ce227a74de268d00faa054cace24389d4a94f9f792aa1

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CB2Rb39.exe

MD5 be5de710b6b437012af51481c2c0e504
SHA1 40e9734d79191d3fb9ccbfa6cc0399c2896fe2f9
SHA256 adc582b54ff1f508624216d4f7a4a1b5889d4197e2cb9dc3c98c0e11ffe09df5
SHA512 a9b37cafec46096b157e312b2a21092e28a6fc20647407361a0933d8db519003ab1d5e0eaf2b46dc4e8ce227a74de268d00faa054cace24389d4a94f9f792aa1

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3PE103cq.exe

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

memory/3692-14-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3692-15-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3692-16-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3692-18-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Hq4LT3.exe

MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

memory/4528-22-0x0000000000400000-0x000000000043C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sf13EG.exe

MD5 0add67172f579d3e0cb19b13bcf7b56c
SHA1 fd5b81627bb1e3d7fcead85358e797a3a67b9c60
SHA256 b79fa7770460a1fbeeec6899b8c13813587d50bf535dbb07c8f3d6aec146616d
SHA512 cd2c71d726ea2259c5b0c7170dd08191745bae481faf6ba111247d168d3b737ea2ee013cbfe266ed2c2a7612b9c2b99cb7b07c89aefe389c423f15fb23ccc5e7

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sf13EG.exe

MD5 0add67172f579d3e0cb19b13bcf7b56c
SHA1 fd5b81627bb1e3d7fcead85358e797a3a67b9c60
SHA256 b79fa7770460a1fbeeec6899b8c13813587d50bf535dbb07c8f3d6aec146616d
SHA512 cd2c71d726ea2259c5b0c7170dd08191745bae481faf6ba111247d168d3b737ea2ee013cbfe266ed2c2a7612b9c2b99cb7b07c89aefe389c423f15fb23ccc5e7

memory/4528-28-0x0000000073CC0000-0x0000000074470000-memory.dmp

memory/4528-29-0x0000000007F70000-0x0000000008514000-memory.dmp

memory/4528-31-0x0000000007A60000-0x0000000007AF2000-memory.dmp

memory/4528-33-0x00000000054E0000-0x00000000054F0000-memory.dmp

memory/4528-34-0x0000000007A50000-0x0000000007A5A000-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 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/4528-39-0x0000000008B40000-0x0000000009158000-memory.dmp

memory/4528-40-0x0000000007DD0000-0x0000000007EDA000-memory.dmp

memory/4528-41-0x0000000007CC0000-0x0000000007CD2000-memory.dmp

memory/4528-42-0x0000000007D20000-0x0000000007D5C000-memory.dmp

memory/4528-43-0x0000000007D60000-0x0000000007DAC000-memory.dmp

memory/4528-44-0x0000000073CC0000-0x0000000074470000-memory.dmp

memory/4528-45-0x00000000054E0000-0x00000000054F0000-memory.dmp