mystic | 75edb521bbb0ae12b7c2c52fa6e3ed769f4e764e26b92ef2dc4d7cb78ed92fd9

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 18:30

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General

Target

c423201e3826daee29004ed5dcf47d914f79b9e35aabb7cda630e407b4d2888d.exe
Size

1.1MB
MD5

18446e1501e63e0019b372fc4029f123
SHA1

c9d615ecc9559924632f68869510166c921dc59f
SHA256

c423201e3826daee29004ed5dcf47d914f79b9e35aabb7cda630e407b4d2888d
SHA512

05d3f76c722a465e23ecf0961021767a41e7abc2f1b1f13be75300b095521e2eb58e2159311403753429349176d6821e67dc5c8fa46486db71252dc9d30d81e9
SSDEEP

24576:pyMC4dJevkZml2/xU1WPWz6MuFZeVYOQrekxPuLuQGZyA3aM:cMCiJeMR/xU1WPe52sfkxPuLu/ZyAq

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
behavioral16/memory/3584-28-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral16/memory/3584-31-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral16/memory/3584-29-0x0000000000400000-0x0000000000433000-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\IXP003.TMP\2Uz875GZ.exe	family_redline
behavioral16/memory/808-35-0x0000000000570000-0x00000000005AE000-memory.dmp	family_redline

Executes dropped EXE 5 IoCs

Processes:

Ms3Fv9aC.exeei0lj2rP.exehf7zo1TL.exe1eY25uB2.exe2Uz875GZ.exe

pid process

3268 Ms3Fv9aC.exe
1552 ei0lj2rP.exe
1220 hf7zo1TL.exe
3244 1eY25uB2.exe
808 2Uz875GZ.exe

pid	process
3268	Ms3Fv9aC.exe
1552	ei0lj2rP.exe
1220	hf7zo1TL.exe
3244	1eY25uB2.exe
808	2Uz875GZ.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

c423201e3826daee29004ed5dcf47d914f79b9e35aabb7cda630e407b4d2888d.exeMs3Fv9aC.exeei0lj2rP.exehf7zo1TL.exe

description	ioc	process
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\\\""	c423201e3826daee29004ed5dcf47d914f79b9e35aabb7cda630e407b4d2888d.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\\\""	Ms3Fv9aC.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\\\""	ei0lj2rP.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\\\""	hf7zo1TL.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1eY25uB2.exe

description pid process target process

PID 3244 set thread context of 3584 3244 1eY25uB2.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3888 3244 WerFault.exe 1eY25uB2.exe

description	pid	process	target process
PID 3244 set thread context of 3584	3244	1eY25uB2.exe	AppLaunch.exe

pid	pid_target	process	target process
3888	3244	WerFault.exe	1eY25uB2.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

c423201e3826daee29004ed5dcf47d914f79b9e35aabb7cda630e407b4d2888d.exeMs3Fv9aC.exeei0lj2rP.exehf7zo1TL.exe1eY25uB2.exe

description	pid	process	target process
PID 3940 wrote to memory of 3268	3940	c423201e3826daee29004ed5dcf47d914f79b9e35aabb7cda630e407b4d2888d.exe	Ms3Fv9aC.exe
PID 3940 wrote to memory of 3268	3940	c423201e3826daee29004ed5dcf47d914f79b9e35aabb7cda630e407b4d2888d.exe	Ms3Fv9aC.exe
PID 3940 wrote to memory of 3268	3940	c423201e3826daee29004ed5dcf47d914f79b9e35aabb7cda630e407b4d2888d.exe	Ms3Fv9aC.exe
PID 3268 wrote to memory of 1552	3268	Ms3Fv9aC.exe	ei0lj2rP.exe
PID 3268 wrote to memory of 1552	3268	Ms3Fv9aC.exe	ei0lj2rP.exe
PID 3268 wrote to memory of 1552	3268	Ms3Fv9aC.exe	ei0lj2rP.exe
PID 1552 wrote to memory of 1220	1552	ei0lj2rP.exe	hf7zo1TL.exe
PID 1552 wrote to memory of 1220	1552	ei0lj2rP.exe	hf7zo1TL.exe
PID 1552 wrote to memory of 1220	1552	ei0lj2rP.exe	hf7zo1TL.exe
PID 1220 wrote to memory of 3244	1220	hf7zo1TL.exe	1eY25uB2.exe
PID 1220 wrote to memory of 3244	1220	hf7zo1TL.exe	1eY25uB2.exe
PID 1220 wrote to memory of 3244	1220	hf7zo1TL.exe	1eY25uB2.exe
PID 3244 wrote to memory of 3584	3244	1eY25uB2.exe	AppLaunch.exe
PID 3244 wrote to memory of 3584	3244	1eY25uB2.exe	AppLaunch.exe
PID 3244 wrote to memory of 3584	3244	1eY25uB2.exe	AppLaunch.exe
PID 3244 wrote to memory of 3584	3244	1eY25uB2.exe	AppLaunch.exe
PID 3244 wrote to memory of 3584	3244	1eY25uB2.exe	AppLaunch.exe
PID 3244 wrote to memory of 3584	3244	1eY25uB2.exe	AppLaunch.exe
PID 3244 wrote to memory of 3584	3244	1eY25uB2.exe	AppLaunch.exe
PID 3244 wrote to memory of 3584	3244	1eY25uB2.exe	AppLaunch.exe
PID 3244 wrote to memory of 3584	3244	1eY25uB2.exe	AppLaunch.exe
PID 3244 wrote to memory of 3584	3244	1eY25uB2.exe	AppLaunch.exe
PID 1220 wrote to memory of 808	1220	hf7zo1TL.exe	2Uz875GZ.exe
PID 1220 wrote to memory of 808	1220	hf7zo1TL.exe	2Uz875GZ.exe
PID 1220 wrote to memory of 808	1220	hf7zo1TL.exe	2Uz875GZ.exe

C:\Users\Admin\AppData\Local\Temp\c423201e3826daee29004ed5dcf47d914f79b9e35aabb7cda630e407b4d2888d.exe
"C:\Users\Admin\AppData\Local\Temp\c423201e3826daee29004ed5dcf47d914f79b9e35aabb7cda630e407b4d2888d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3940

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ms3Fv9aC.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ms3Fv9aC.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3268

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ei0lj2rP.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ei0lj2rP.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1552

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hf7zo1TL.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hf7zo1TL.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1220

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1eY25uB2.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1eY25uB2.exe
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3244

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
6⤵
PID:3584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3244 -s 576
6⤵
- Program crash
PID:3888

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Uz875GZ.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Uz875GZ.exe
5⤵
- Executes dropped EXE
PID:808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3244 -ip 3244
1⤵
PID:456

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ms3Fv9aC.exe
Filesize
935KB

MD5
bbd85908ca92aa6aa27a6899fa22d74b

SHA1
34bdbb799fc7ac47d11722c067f123feb93c3650

SHA256
77ca1d8953d3307ab484abae3520c9e7e9dc8cd77581092f8f4b40bbf8f5d2dc

SHA512
90f8f0a86235b85a8207010d6806c2e78634056d9cd08ea1b189aa4b4297191b53ea4a76fa3f396187fcd537dcea7b6b1396d0c119e6efd2cf8be07d01a52f8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ei0lj2rP.exe
Filesize
640KB

MD5
2bc0319ca1665fa752d4513a58e50fcb

SHA1
837e7aa4150ddc0615151d573304b3c159bc1199

SHA256
b3b5c8d36897b3ca83fb1c0b823fa70062c301932237490854402682dd2471d5

SHA512
69442c31324aade62fe195d7ffb97c7579b5a39277ccb23b400e0cf076db73c7dbf42cac54dc8687fcea22138c22ecc7ccc7a4e8a062eada106de929626572af

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hf7zo1TL.exe
Filesize
444KB

MD5
551d774eb6c3b06dbbbe44abda890ac2

SHA1
3ccd898442a6e3373733d390e20249fe3c1b1cda

SHA256
a29a3b17cca56eddbc758d8871638246f507f2270e2cf8afc9f28288fac28208

SHA512
7a41240a5922f6eada5e784bfd12483f75b0306d6a71d10dc9f7f9dfa1bb930e0565da0fed356d44396dbf6af63bb51ee746d6e4484dcde518e426d8fab5349a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1eY25uB2.exe
Filesize
423KB

MD5
cd820868bf246502a0bb868c3a4ab2e3

SHA1
09d4677dea172d69e2053022cbdfc34d136762bc

SHA256
27c40868c0ed0f61e92e70e04f035b09266fc57c8959888c04273e93e903cd5b

SHA512
7853829fddea79e8b07cc4e7b7f242f25c03da90b7d59f74bc2a29840e0bc7ace937fe9a93b34a6cb9426dba8e1e12bab3caa155a8f86e2972ecf1149dad6b77

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Uz875GZ.exe
Filesize
221KB

MD5
afbf0c047e06b6e558d65b89bd0053ec

SHA1
7f0db386359d1b2501b0b5cdd2c111a4a1cc8c4d

SHA256
ad88d1556dc955751493cc6869f4a76c1c5256ac0dd2358768262f2dca1fca43

SHA512
e564fe61dbb9bea5c17544ae89ca358f5f5ea8811d9b97785fde05d797a3b08b2a285eb948fa920a8ca587f786ea60210be760cc6cebe46a4de61080a67ec6f9

Download Submit
memory/808-39-0x00000000085C0000-0x0000000008BD8000-memory.dmp

Filesize
6.1MB

Download
memory/808-35-0x0000000000570000-0x00000000005AE000-memory.dmp

Filesize
248KB

Download
memory/808-36-0x00000000079F0000-0x0000000007F94000-memory.dmp

Filesize
5.6MB

Download
memory/808-37-0x0000000007440000-0x00000000074D2000-memory.dmp

Filesize
584KB

Download
memory/808-38-0x0000000004A20000-0x0000000004A2A000-memory.dmp

Filesize
40KB

Download
memory/808-40-0x00000000077F0000-0x00000000078FA000-memory.dmp

Filesize
1.0MB

Download
memory/808-41-0x0000000007660000-0x0000000007672000-memory.dmp

Filesize
72KB

Download
memory/808-42-0x00000000076E0000-0x000000000771C000-memory.dmp

Filesize
240KB

Download
memory/808-43-0x0000000007720000-0x000000000776C000-memory.dmp

Filesize
304KB

Download
memory/3584-29-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3584-31-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3584-28-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download