mystic | 47889c48da4c5e390f10c04d8390b2c5d9f68bec127bf0e18bbe686b9079b922

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 17:43

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General

Target

49fe85c527d85f575f10ffaacbea94923608dbe00ee181347f30f31686a10513.exe
Size

1.2MB
MD5

36c41f38b00cc021774f16f386a792eb
SHA1

91c449b031fa7bbbcd320e3e0ad87b403faed296
SHA256

49fe85c527d85f575f10ffaacbea94923608dbe00ee181347f30f31686a10513
SHA512

032b5a66957ce300aa9efcb5f5975e75e3f1ac7c23a504d0df960a45acba0aaac388c519ff406da3c5c45d6afc18307a1a6b0f087f93d36544ed3d827236879a
SSDEEP

24576:6ynHGvOpkdL807eJprsEj/1gs9V+OMdpyZVR8lo2QSarsRd:BnHGmpkdLNeDsy1gs9V+OMGZVR8DKoR

Score

10^/10

mystic redline lutyr infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

lutyr

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 3 IoCs

Processes:

resource	yara_rule
behavioral9/memory/1660-35-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral9/memory/1660-38-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral9/memory/1660-36-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family

Mystic
Mystic is an infostealer written in C++.
stealer mystic
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Mk806aH.exe	family_redline
behavioral9/memory/964-42-0x0000000000310000-0x000000000034E000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

Processes:

EB1TT8bV.exeYX8Uk6gT.exeiY4ZC3yg.exetJ4rr5YT.exe1hv74RA6.exe2Mk806aH.exe

pid process

1204 EB1TT8bV.exe
2288 YX8Uk6gT.exe
2528 iY4ZC3yg.exe
2900 tJ4rr5YT.exe
60 1hv74RA6.exe
964 2Mk806aH.exe

pid	process
1204	EB1TT8bV.exe
2288	YX8Uk6gT.exe
2528	iY4ZC3yg.exe
2900	tJ4rr5YT.exe
60	1hv74RA6.exe
964	2Mk806aH.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

tJ4rr5YT.exe49fe85c527d85f575f10ffaacbea94923608dbe00ee181347f30f31686a10513.exeEB1TT8bV.exeYX8Uk6gT.exeiY4ZC3yg.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\""	tJ4rr5YT.exe
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\\\""	49fe85c527d85f575f10ffaacbea94923608dbe00ee181347f30f31686a10513.exe
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\\\""	EB1TT8bV.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	YX8Uk6gT.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	iY4ZC3yg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1hv74RA6.exe

description pid process target process

PID 60 set thread context of 1660 60 1hv74RA6.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1924 60 WerFault.exe 1hv74RA6.exe

description	pid	process	target process
PID 60 set thread context of 1660	60	1hv74RA6.exe	AppLaunch.exe

pid	pid_target	process	target process
1924	60	WerFault.exe	1hv74RA6.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

49fe85c527d85f575f10ffaacbea94923608dbe00ee181347f30f31686a10513.exeEB1TT8bV.exeYX8Uk6gT.exeiY4ZC3yg.exetJ4rr5YT.exe1hv74RA6.exe

description	pid	process	target process
PID 692 wrote to memory of 1204	692	49fe85c527d85f575f10ffaacbea94923608dbe00ee181347f30f31686a10513.exe	EB1TT8bV.exe
PID 692 wrote to memory of 1204	692	49fe85c527d85f575f10ffaacbea94923608dbe00ee181347f30f31686a10513.exe	EB1TT8bV.exe
PID 692 wrote to memory of 1204	692	49fe85c527d85f575f10ffaacbea94923608dbe00ee181347f30f31686a10513.exe	EB1TT8bV.exe
PID 1204 wrote to memory of 2288	1204	EB1TT8bV.exe	YX8Uk6gT.exe
PID 1204 wrote to memory of 2288	1204	EB1TT8bV.exe	YX8Uk6gT.exe
PID 1204 wrote to memory of 2288	1204	EB1TT8bV.exe	YX8Uk6gT.exe
PID 2288 wrote to memory of 2528	2288	YX8Uk6gT.exe	iY4ZC3yg.exe
PID 2288 wrote to memory of 2528	2288	YX8Uk6gT.exe	iY4ZC3yg.exe
PID 2288 wrote to memory of 2528	2288	YX8Uk6gT.exe	iY4ZC3yg.exe
PID 2528 wrote to memory of 2900	2528	iY4ZC3yg.exe	tJ4rr5YT.exe
PID 2528 wrote to memory of 2900	2528	iY4ZC3yg.exe	tJ4rr5YT.exe
PID 2528 wrote to memory of 2900	2528	iY4ZC3yg.exe	tJ4rr5YT.exe
PID 2900 wrote to memory of 60	2900	tJ4rr5YT.exe	1hv74RA6.exe
PID 2900 wrote to memory of 60	2900	tJ4rr5YT.exe	1hv74RA6.exe
PID 2900 wrote to memory of 60	2900	tJ4rr5YT.exe	1hv74RA6.exe
PID 60 wrote to memory of 896	60	1hv74RA6.exe	AppLaunch.exe
PID 60 wrote to memory of 896	60	1hv74RA6.exe	AppLaunch.exe
PID 60 wrote to memory of 896	60	1hv74RA6.exe	AppLaunch.exe
PID 60 wrote to memory of 1660	60	1hv74RA6.exe	AppLaunch.exe
PID 60 wrote to memory of 1660	60	1hv74RA6.exe	AppLaunch.exe
PID 60 wrote to memory of 1660	60	1hv74RA6.exe	AppLaunch.exe
PID 60 wrote to memory of 1660	60	1hv74RA6.exe	AppLaunch.exe
PID 60 wrote to memory of 1660	60	1hv74RA6.exe	AppLaunch.exe
PID 60 wrote to memory of 1660	60	1hv74RA6.exe	AppLaunch.exe
PID 60 wrote to memory of 1660	60	1hv74RA6.exe	AppLaunch.exe
PID 60 wrote to memory of 1660	60	1hv74RA6.exe	AppLaunch.exe
PID 60 wrote to memory of 1660	60	1hv74RA6.exe	AppLaunch.exe
PID 60 wrote to memory of 1660	60	1hv74RA6.exe	AppLaunch.exe
PID 2900 wrote to memory of 964	2900	tJ4rr5YT.exe	2Mk806aH.exe
PID 2900 wrote to memory of 964	2900	tJ4rr5YT.exe	2Mk806aH.exe
PID 2900 wrote to memory of 964	2900	tJ4rr5YT.exe	2Mk806aH.exe

C:\Users\Admin\AppData\Local\Temp\49fe85c527d85f575f10ffaacbea94923608dbe00ee181347f30f31686a10513.exe
"C:\Users\Admin\AppData\Local\Temp\49fe85c527d85f575f10ffaacbea94923608dbe00ee181347f30f31686a10513.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:692

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\EB1TT8bV.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\EB1TT8bV.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1204

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\YX8Uk6gT.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\YX8Uk6gT.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2288

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iY4ZC3yg.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iY4ZC3yg.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2528

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\tJ4rr5YT.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\tJ4rr5YT.exe
5⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2900

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1hv74RA6.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1hv74RA6.exe
6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:60

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
7⤵
PID:896

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
7⤵
PID:1660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 608
7⤵
- Program crash
PID:1924

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Mk806aH.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Mk806aH.exe
6⤵
- Executes dropped EXE
PID:964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 60 -ip 60
1⤵
PID:3912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\EB1TT8bV.exe

Filesize
1.0MB

MD5
3b02425a750c9faa35ddfd0951cbc6a2

SHA1
0a3f9f78ee6ef98c62f099e8c380930cc2633b6a

SHA256
4c93c1ff6602eee614978b061eaeb7015fa11e9d6b9c19b3964c66d2ab8d3dab

SHA512
627884f53b6da2780604eb78bf9c6bcc06913e00c7503114357ec605fda3a00c228e24ed10446a26d47d9b9fd3463337ed084153dc7d10e6a2e45b3c81057a54

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\YX8Uk6gT.exe

Filesize
878KB

MD5
fec2cc8e8484376e91ba5f4cf4697ac9

SHA1
655073c3fd0b12c70dd52e9b9c67bee2f3295121

SHA256
1a3dec608e9651b4455eb670eea4fdd764e8f02890a56095a09694a4443d34a4

SHA512
7c2cb73b7718cff61df2a509e13d5f26af5c509aa791043c1b8c93e1e938dc53aca74fd22ef1dc8baec6954cf0ee6e7c3cc0188e663a7d19703449688e8eb103

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iY4ZC3yg.exe

Filesize
584KB

MD5
0e52996626f0e9714457c6ea08d675d6

SHA1
073ac5b88f37dc29d7dbaca50365db04232238ff

SHA256
ab3288f0ff5a52266231bddb47904fb3f0648f9017a4724b06ee2c5ebfbb9476

SHA512
ed5f2204303ddfb14b0297242b26fcef816fc078a7b1983f9c0f8fef09a8a554ca948e806d844117da30e24d17b1829ac477365b8d42ddd922b74b3fe2ffa6ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\tJ4rr5YT.exe

Filesize
412KB

MD5
a543d21b1c69522b950ec37940618f0d

SHA1
5e0a8b8c441ced8ca0828da3e944785863b605f4

SHA256
90acba38795cbed7334564da98456242fb37d6f16f239a495f5b5edcf924a958

SHA512
9552d342b0bf478783d5d3b10a4bc47ef058f9fce1d1f23ded4fde3e8c31818fea7a865ae9afccbe2112ac0cfb87c471b64ed8446b1cbdbe185417f1b8b30cd0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1hv74RA6.exe

Filesize
378KB

MD5
ed030761f5577cb4972e6f7dab351985

SHA1
5fcac892fd4d32949b9bb497e98b2b957e3b92e1

SHA256
a0c30d0b153beeb306b3123c21e3920da8c1ec128815b224dea81066ed7abf55

SHA512
5b8a2597eebb9640ce4fc19f8cbd4bf1ceb8ccf179b1388d7bdafbc3dae662a1870bd864ae9c8e334c31a878abda1574b4066c166bf89d2217ccb7a8c96f4734

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Mk806aH.exe

Filesize
221KB

MD5
e403630b1192a3b4be3ad2244a045a05

SHA1
f3c98799a0b0199c3cde1399c9e5d9dce97da156

SHA256
74c09b01dfbd6906a4280b33c718a3f9cbd4ab6abf8a66a9c49cd2b400a9e9cb

SHA512
d58b3cbcbd731a95ad2b9871bab7227dcc43a51e9169c72682cf834963a6cbb8442d96663880d02d534b9c289f6f569f416d9cf6aeebc4a48ed64c740a40d137

Download Submit
memory/964-42-0x0000000000310000-0x000000000034E000-memory.dmp

Filesize
248KB

Download
memory/964-43-0x00000000076A0000-0x0000000007C44000-memory.dmp

Filesize
5.6MB

Download
memory/964-44-0x00000000071D0000-0x0000000007262000-memory.dmp

Filesize
584KB

Download
memory/964-45-0x0000000002710000-0x000000000271A000-memory.dmp

Filesize
40KB

Download
memory/964-46-0x0000000008270000-0x0000000008888000-memory.dmp

Filesize
6.1MB

Download
memory/964-47-0x00000000074F0000-0x00000000075FA000-memory.dmp

Filesize
1.0MB

Download
memory/964-48-0x0000000007410000-0x0000000007422000-memory.dmp

Filesize
72KB

Download
memory/964-49-0x0000000007470000-0x00000000074AC000-memory.dmp

Filesize
240KB

Download
memory/964-50-0x0000000007600000-0x000000000764C000-memory.dmp

Filesize
304KB

Download
memory/1660-38-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1660-36-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1660-35-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download