mystic | 02cacf524527064e447c85bef406a6e5125d06b69bd35e10a813bf4a5659b985

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 09:02

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General

Target

a619ae77d542717361e631ceb6fe3fab295af4ccef45ae4774b92a9355b6bb2e.exe
Size

934KB
MD5

9323def24c82bcce18472272f2fd5647
SHA1

f09e0e7cbf11b9afa48a1cdb5d7d67065a46da8d
SHA256

a619ae77d542717361e631ceb6fe3fab295af4ccef45ae4774b92a9355b6bb2e
SHA512

98896fcab67a61d7d42629f3062054984a32712b668fa986272c14427394727c522ee9562a7d243e9627ff88f1825444dacb3b8a14dd270a5a3b755502271e7a
SSDEEP

24576:QyZyKWABDnuKRODayze5PfWeD+XH0WdXBPo:XEKWQnuKRoe5HlDyH0Yx

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

resource	yara_rule
behavioral17/memory/2064-21-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral17/memory/2064-22-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral17/memory/2064-24-0x0000000000400000-0x0000000000433000-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

resource	yara_rule
behavioral17/files/0x0007000000023442-25.dat	family_redline
behavioral17/memory/4360-28-0x0000000000D80000-0x0000000000DBE000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
2676	vv6sn2Ud.exe
4532	Dx7Od3si.exe
840	1yI16oH3.exe
4360	2Lz312UD.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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\\\""	a619ae77d542717361e631ceb6fe3fab295af4ccef45ae4774b92a9355b6bb2e.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\\\""	vv6sn2Ud.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\\\""	Dx7Od3si.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 840 set thread context of 2064	840	1yI16oH3.exe	89

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1480	840	WerFault.exe	86

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2676	2360	a619ae77d542717361e631ceb6fe3fab295af4ccef45ae4774b92a9355b6bb2e.exe	84
PID 2360 wrote to memory of 2676	2360	a619ae77d542717361e631ceb6fe3fab295af4ccef45ae4774b92a9355b6bb2e.exe	84
PID 2360 wrote to memory of 2676	2360	a619ae77d542717361e631ceb6fe3fab295af4ccef45ae4774b92a9355b6bb2e.exe	84
PID 2676 wrote to memory of 4532	2676	vv6sn2Ud.exe	85
PID 2676 wrote to memory of 4532	2676	vv6sn2Ud.exe	85
PID 2676 wrote to memory of 4532	2676	vv6sn2Ud.exe	85
PID 4532 wrote to memory of 840	4532	Dx7Od3si.exe	86
PID 4532 wrote to memory of 840	4532	Dx7Od3si.exe	86
PID 4532 wrote to memory of 840	4532	Dx7Od3si.exe	86
PID 840 wrote to memory of 2064	840	1yI16oH3.exe	89
PID 840 wrote to memory of 2064	840	1yI16oH3.exe	89
PID 840 wrote to memory of 2064	840	1yI16oH3.exe	89
PID 840 wrote to memory of 2064	840	1yI16oH3.exe	89
PID 840 wrote to memory of 2064	840	1yI16oH3.exe	89
PID 840 wrote to memory of 2064	840	1yI16oH3.exe	89
PID 840 wrote to memory of 2064	840	1yI16oH3.exe	89
PID 840 wrote to memory of 2064	840	1yI16oH3.exe	89
PID 840 wrote to memory of 2064	840	1yI16oH3.exe	89
PID 840 wrote to memory of 2064	840	1yI16oH3.exe	89
PID 4532 wrote to memory of 4360	4532	Dx7Od3si.exe	94
PID 4532 wrote to memory of 4360	4532	Dx7Od3si.exe	94
PID 4532 wrote to memory of 4360	4532	Dx7Od3si.exe	94

C:\Users\Admin\AppData\Local\Temp\a619ae77d542717361e631ceb6fe3fab295af4ccef45ae4774b92a9355b6bb2e.exe
"C:\Users\Admin\AppData\Local\Temp\a619ae77d542717361e631ceb6fe3fab295af4ccef45ae4774b92a9355b6bb2e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vv6sn2Ud.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vv6sn2Ud.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Dx7Od3si.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Dx7Od3si.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:4532
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1yI16oH3.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1yI16oH3.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:840
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        
        PID:2064
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 592
        5⤵
        Program crash
        
        PID:1480
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Lz312UD.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Lz312UD.exe
      4⤵
      Executes dropped EXE
      PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 840 -ip 840
1⤵
PID:3732

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\vv6sn2Ud.exe

Filesize
639KB

MD5
f67961054d5fc156de25094279d72288

SHA1
e7868a8e7d18092b13f6b738bb2a13a65397573b

SHA256
2a4159363d93a578064721a2cea3b120f28b3c2a27dedc5e7109ecde5c2208b9

SHA512
526a0f399f3ec8a72d9bd417d0a0528e2752c60a4a1aa2047ae717c6a831a96a29544456c93ae34f7fddab7f7adb6736b73db100770b08900b7d8acf1b83ad90

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Dx7Od3si.exe

Filesize
443KB

MD5
e46d6ad00fbe02a50a065502f02a5ba0

SHA1
2ea0c228718328d8e146a24e70edb9ee9a18105c

SHA256
e72475c6e252575dc99262f5b8e9bdb7eb4f8365f3769649cffa1570569bdf24

SHA512
39e7a802a2613ed432a93cceb44c8d0d88a591e598c1beba0ceda78a63d365c88267ce4713f770ddf175e7d71cce56f2e064afa96b08e3dc993c29221488da0c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1yI16oH3.exe

Filesize
422KB

MD5
df5d3f0555ab568dd7cd1de3b38f8138

SHA1
39cb0a9680eec33228de39b785cb35407d054e70

SHA256
e49795016e9c363faed964d72217c14ac5336811ae6c78a675d34996f1ab2e22

SHA512
5ead0e7cbb2c723d73581d7d4db7bb21505c095d7e2d00f99ff10a61eb2c55d4f6f18494d5d53c666fc6cc95d06456430131e32efa5687467781d9ab627b02de

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Lz312UD.exe

Filesize
222KB

MD5
7a00ce7084021d2ce787b2556b9882cb

SHA1
72842b6f1aab656c25f867f31519bc970703276a

SHA256
f4c934411d4dc6a014ea017ce0666882f89454cebf892d9368735d4a2d5d55b1

SHA512
9a9afe1710a74b2d3dd10e1af41dc31af59e9f1c324ca144981dbeed71682e6085ba9117a8ee2148bc0c13850915461f81e8ebbc2e5290ae224663d6cd3e5dda

Download Submit
memory/2064-21-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2064-22-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2064-24-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4360-29-0x0000000008260000-0x0000000008804000-memory.dmp

Filesize
5.6MB

Download
memory/4360-28-0x0000000000D80000-0x0000000000DBE000-memory.dmp

Filesize
248KB

Download
memory/4360-30-0x0000000007CB0000-0x0000000007D42000-memory.dmp

Filesize
584KB

Download
memory/4360-31-0x00000000031E0000-0x00000000031EA000-memory.dmp

Filesize
40KB

Download
memory/4360-32-0x0000000008E30000-0x0000000009448000-memory.dmp

Filesize
6.1MB

Download
memory/4360-33-0x0000000008060000-0x000000000816A000-memory.dmp

Filesize
1.0MB

Download
memory/4360-34-0x0000000007E70000-0x0000000007E82000-memory.dmp

Filesize
72KB

Download
memory/4360-35-0x0000000007ED0000-0x0000000007F0C000-memory.dmp

Filesize
240KB

Download
memory/4360-36-0x0000000007F50000-0x0000000007F9C000-memory.dmp

Filesize
304KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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