mystic | 3bad5318d1eadf9f6d544fc5ed49c1e737fb2db130f60b70bab6f26392c87c30

Analysis

max time kernel
147s
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
24-05-2024 10:50

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General

Target

3105fb3a2cc9654d1eac3354da0a10dfc792e32266a2a7a18fe16764e0b6bff2.exe
Size

753KB
MD5

bb9c11cf568dbae8bd9f0e19d562235a
SHA1

08ef37baa4e2574ebed4d616dd2a8a8f2087c13f
SHA256

3105fb3a2cc9654d1eac3354da0a10dfc792e32266a2a7a18fe16764e0b6bff2
SHA512

20bb622e938e58ce20de3ba1db3359c420895ca631024f8792dc37c7840aafc67f0e26abac0cb6ff87fc27f255e87ad18d190a2306cd6bc657d16a898b7b2478
SSDEEP

12288:/Mr6y90RYqYRxyO2Yky7fmE1ynuR/mJKv6G9rr0Q2LN6izy8cFvlXp:dyI9YRxD7FSE0nuRqA6GwQ2R6JZFvlXp

Score

10^/10

mystic redline kedru infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kedru

77.91.124.86:19084

Signatures

Detect Mystic stealer payload 4 IoCs

Processes:

resource	yara_rule
behavioral9/memory/4820-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral9/memory/4820-20-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral9/memory/4820-18-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral9/memory/4820-17-0x0000000000400000-0x0000000000433000-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\IXP001.TMP\2kp557JC.exe	family_redline
behavioral9/memory/552-22-0x0000000000C60000-0x0000000000C9C000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

Processes:

yf6hT7Yg.exe1pQ67hU8.exe2kp557JC.exe

pid process

516 yf6hT7Yg.exe
4284 1pQ67hU8.exe
552 2kp557JC.exe

pid	process
516	yf6hT7Yg.exe
4284	1pQ67hU8.exe
552	2kp557JC.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3105fb3a2cc9654d1eac3354da0a10dfc792e32266a2a7a18fe16764e0b6bff2.exeyf6hT7Yg.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\\\""	3105fb3a2cc9654d1eac3354da0a10dfc792e32266a2a7a18fe16764e0b6bff2.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\\\""	yf6hT7Yg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1pQ67hU8.exe

description pid process target process

PID 4284 set thread context of 4820 4284 1pQ67hU8.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3484 4820 WerFault.exe AppLaunch.exe

description	pid	process	target process
PID 4284 set thread context of 4820	4284	1pQ67hU8.exe	AppLaunch.exe

pid	pid_target	process	target process
3484	4820	WerFault.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

3105fb3a2cc9654d1eac3354da0a10dfc792e32266a2a7a18fe16764e0b6bff2.exeyf6hT7Yg.exe1pQ67hU8.exe

description	pid	process	target process
PID 5024 wrote to memory of 516	5024	3105fb3a2cc9654d1eac3354da0a10dfc792e32266a2a7a18fe16764e0b6bff2.exe	yf6hT7Yg.exe
PID 5024 wrote to memory of 516	5024	3105fb3a2cc9654d1eac3354da0a10dfc792e32266a2a7a18fe16764e0b6bff2.exe	yf6hT7Yg.exe
PID 5024 wrote to memory of 516	5024	3105fb3a2cc9654d1eac3354da0a10dfc792e32266a2a7a18fe16764e0b6bff2.exe	yf6hT7Yg.exe
PID 516 wrote to memory of 4284	516	yf6hT7Yg.exe	1pQ67hU8.exe
PID 516 wrote to memory of 4284	516	yf6hT7Yg.exe	1pQ67hU8.exe
PID 516 wrote to memory of 4284	516	yf6hT7Yg.exe	1pQ67hU8.exe
PID 4284 wrote to memory of 4820	4284	1pQ67hU8.exe	AppLaunch.exe
PID 4284 wrote to memory of 4820	4284	1pQ67hU8.exe	AppLaunch.exe
PID 4284 wrote to memory of 4820	4284	1pQ67hU8.exe	AppLaunch.exe
PID 4284 wrote to memory of 4820	4284	1pQ67hU8.exe	AppLaunch.exe
PID 4284 wrote to memory of 4820	4284	1pQ67hU8.exe	AppLaunch.exe
PID 4284 wrote to memory of 4820	4284	1pQ67hU8.exe	AppLaunch.exe
PID 4284 wrote to memory of 4820	4284	1pQ67hU8.exe	AppLaunch.exe
PID 4284 wrote to memory of 4820	4284	1pQ67hU8.exe	AppLaunch.exe
PID 4284 wrote to memory of 4820	4284	1pQ67hU8.exe	AppLaunch.exe
PID 4284 wrote to memory of 4820	4284	1pQ67hU8.exe	AppLaunch.exe
PID 516 wrote to memory of 552	516	yf6hT7Yg.exe	2kp557JC.exe
PID 516 wrote to memory of 552	516	yf6hT7Yg.exe	2kp557JC.exe
PID 516 wrote to memory of 552	516	yf6hT7Yg.exe	2kp557JC.exe

C:\Users\Admin\AppData\Local\Temp\3105fb3a2cc9654d1eac3354da0a10dfc792e32266a2a7a18fe16764e0b6bff2.exe
"C:\Users\Admin\AppData\Local\Temp\3105fb3a2cc9654d1eac3354da0a10dfc792e32266a2a7a18fe16764e0b6bff2.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5024

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yf6hT7Yg.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yf6hT7Yg.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:516

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1pQ67hU8.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1pQ67hU8.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4284

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4820 -s 540
5⤵
- Program crash
PID:3484

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2kp557JC.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2kp557JC.exe
3⤵
- Executes dropped EXE
PID:552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4820 -ip 4820
1⤵
PID:2080

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\yf6hT7Yg.exe

Filesize
558KB

MD5
4f7f976e910f45afc715744b2aa72d1f

SHA1
147def284f901ccca8753ab41ce3471f121acb38

SHA256
657308aaa6bf21d7089c62fa48f773877a0c5443fa26ab7335e5f706e6597be1

SHA512
83b2ccc349a54b89c118e1ca63c1131e00f448f1bcd21b08a7c023985f6d8a520c489196463b9fbc777e55ad748aa6df687ed973e2f8b48561a654f97bab2109

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1pQ67hU8.exe

Filesize
1.0MB

MD5
00af6a778639b5c8a6f9caf76e4e4d8d

SHA1
f33e8d5c41ae74b17b93ce9777df7d9503f52bac

SHA256
42b6a7980d19fe97a44e97330e4ca6f6d7ed15b4b232584d59c781c4b8f9abf2

SHA512
ab76c67e1af5e3f6478b8042ff21c7897b6af32b3d8aa1c543a727bc0d20db7b3141418977beac54695f30cd9b26d3714c1b59160037af72c910c4aec8c4b1f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2kp557JC.exe

Filesize
219KB

MD5
b7eb1717e33df34305f1dd28ccb5fada

SHA1
7814e1abab3a90f7fb30ad865b58d36e8041913b

SHA256
b100ae8d0e0316df84f20853b3ee3610ec2f45dce8ef4cf3befeb238f5e1c702

SHA512
e990774e354a06059b15bcfa7f8cd066758157fe99e4cc198d69bae5780f5d0430621fb9cf4ffa1e17e58c4ae3da3424b582eed07cc37a8d5f56dcdc12c59a6d

Download Submit
memory/552-27-0x0000000007EB0000-0x0000000007FBA000-memory.dmp

Filesize
1.0MB

Download
memory/552-22-0x0000000000C60000-0x0000000000C9C000-memory.dmp

Filesize
240KB

Download
memory/552-23-0x0000000008050000-0x00000000085F4000-memory.dmp

Filesize
5.6MB

Download
memory/552-24-0x0000000007B40000-0x0000000007BD2000-memory.dmp

Filesize
584KB

Download
memory/552-25-0x0000000002FF0000-0x0000000002FFA000-memory.dmp

Filesize
40KB

Download
memory/552-26-0x0000000008C20000-0x0000000009238000-memory.dmp

Filesize
6.1MB

Download
memory/552-28-0x0000000007C60000-0x0000000007C72000-memory.dmp

Filesize
72KB

Download
memory/552-29-0x0000000007DE0000-0x0000000007E1C000-memory.dmp

Filesize
240KB

Download
memory/552-30-0x0000000007E20000-0x0000000007E6C000-memory.dmp

Filesize
304KB

Download
memory/4820-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4820-20-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4820-17-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4820-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download