mystic | cc5e37d73955fc0316a074c4b20f0296dee40952f8d275b2c6c6eb4eb0947059

Analysis

max time kernel
145s
max time network
149s
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 05:30

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General

Target

7e6bab949194c1776ccda7ecf613ef45e2d619717d44730efec0049e322789d0.exe
Size

1.2MB
MD5

2184c0b0f1719f6e847905d1b8c16d75
SHA1

a346ddfc7dfac42ef45b856957a49da604d4788a
SHA256

7e6bab949194c1776ccda7ecf613ef45e2d619717d44730efec0049e322789d0
SHA512

515fe6cbaf9cc7ecef386b1c9fe455d5e177a6d5b10e6ad4c0454b2958faba3ddacd21d1ddbbbc747608dd0b6468dee306aa0c63862d36e1d56accc2c4123423
SSDEEP

24576:oyH9alXqINC8tf/DnEFvrg5mzfPy4GS+xUywf2WMn0IAClu:vH9al6I48tf/z2v0gzfPybOyiRal

Score

10^/10

mystic redline kukish infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kukish

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral10/memory/4444-21-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral10/memory/4444-27-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral10/memory/4444-25-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral10/memory/4444-24-0x0000000000400000-0x0000000000432000-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
behavioral10/files/0x000700000002344d-28.dat	family_redline
behavioral10/memory/4764-29-0x00000000004D0000-0x000000000050E000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
3396	xY1ol9cz.exe
3456	Lv0ai3dz.exe
4720	1pm49Un8.exe
4764	2hp794uB.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\\\""	7e6bab949194c1776ccda7ecf613ef45e2d619717d44730efec0049e322789d0.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\\\""	xY1ol9cz.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\\\""	Lv0ai3dz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4720 set thread context of 4444	4720	1pm49Un8.exe	95

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 3396	4452	7e6bab949194c1776ccda7ecf613ef45e2d619717d44730efec0049e322789d0.exe	82
PID 4452 wrote to memory of 3396	4452	7e6bab949194c1776ccda7ecf613ef45e2d619717d44730efec0049e322789d0.exe	82
PID 4452 wrote to memory of 3396	4452	7e6bab949194c1776ccda7ecf613ef45e2d619717d44730efec0049e322789d0.exe	82
PID 3396 wrote to memory of 3456	3396	xY1ol9cz.exe	83
PID 3396 wrote to memory of 3456	3396	xY1ol9cz.exe	83
PID 3396 wrote to memory of 3456	3396	xY1ol9cz.exe	83
PID 3456 wrote to memory of 4720	3456	Lv0ai3dz.exe	85
PID 3456 wrote to memory of 4720	3456	Lv0ai3dz.exe	85
PID 3456 wrote to memory of 4720	3456	Lv0ai3dz.exe	85
PID 4720 wrote to memory of 2060	4720	1pm49Un8.exe	94
PID 4720 wrote to memory of 2060	4720	1pm49Un8.exe	94
PID 4720 wrote to memory of 2060	4720	1pm49Un8.exe	94
PID 4720 wrote to memory of 4444	4720	1pm49Un8.exe	95
PID 4720 wrote to memory of 4444	4720	1pm49Un8.exe	95
PID 4720 wrote to memory of 4444	4720	1pm49Un8.exe	95
PID 4720 wrote to memory of 4444	4720	1pm49Un8.exe	95
PID 4720 wrote to memory of 4444	4720	1pm49Un8.exe	95
PID 4720 wrote to memory of 4444	4720	1pm49Un8.exe	95
PID 4720 wrote to memory of 4444	4720	1pm49Un8.exe	95
PID 4720 wrote to memory of 4444	4720	1pm49Un8.exe	95
PID 4720 wrote to memory of 4444	4720	1pm49Un8.exe	95
PID 4720 wrote to memory of 4444	4720	1pm49Un8.exe	95
PID 3456 wrote to memory of 4764	3456	Lv0ai3dz.exe	96
PID 3456 wrote to memory of 4764	3456	Lv0ai3dz.exe	96
PID 3456 wrote to memory of 4764	3456	Lv0ai3dz.exe	96

C:\Users\Admin\AppData\Local\Temp\7e6bab949194c1776ccda7ecf613ef45e2d619717d44730efec0049e322789d0.exe
"C:\Users\Admin\AppData\Local\Temp\7e6bab949194c1776ccda7ecf613ef45e2d619717d44730efec0049e322789d0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xY1ol9cz.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xY1ol9cz.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3396
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Lv0ai3dz.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Lv0ai3dz.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3456
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1pm49Un8.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1pm49Un8.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:4720
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        
        PID:2060
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        
        PID:4444
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2hp794uB.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2hp794uB.exe
      4⤵
      Executes dropped EXE
      PID:4764

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\xY1ol9cz.exe

Filesize
782KB

MD5
40b509736f2336f0ae4798e08093be25

SHA1
aef0b5561edf2078238e0550b1468910c0730d2b

SHA256
5570e3901d5acc58fb38547e39a9784bf614606e68618789df0d7e29da683d81

SHA512
1e42ec6f3e618a4259c5c4b809f3109ff8807e5d83b7f37f541b3eba599f3fe153ea43002eabdfcc2bd4e5e21fc3ece00f95f35ae8c9c4cc09a61e0c07dad22d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Lv0ai3dz.exe

Filesize
581KB

MD5
47faacabe3e611fee8ca21df0ee60a3a

SHA1
d7ce2a93a642faa7760fa90088472e04dadaa38c

SHA256
bfed9559148c0f2b326d1f171a302f4bde8440ff3a1a4fc1bcba1a3f69a0a5cf

SHA512
5f0429f0da1a4a9ab3d4ea585eaa22666d545d943875e4a7b70b70cfedc4678fed99e9f9296f4d320ca1ad657d5d2da9c8576e177fd7d02e4aa286d98d00fcca

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1pm49Un8.exe

Filesize
1.1MB

MD5
6ef68ec5b2d91cbc9c66fa0553e527ec

SHA1
8d8ab02a5f2433cf12ba62336e4d774f2bbf21d2

SHA256
8ffa8c6bcf0b38b229ac57e8a8eacfad2d27bd2b6ec971af827609bfb919495f

SHA512
1a02ccdf3d1be279169bc25eb2a4452be337389b78050811ea4367ca624d5d169c7c7e157a73fe3be13378412e8d94606f41c157b5892cc76c4344ee85d204a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2hp794uB.exe

Filesize
222KB

MD5
d049270ff6e8fdefaafc53820f3ea25a

SHA1
606c65b1c7a3c2400e14f4e97bac91027ce600ea

SHA256
e0914346800baf7dd7a64af17a4cca8def0eb6c5df5da8376299c5ee9a901e6e

SHA512
74d08cc70eb0094dca50553f825fb4f240bbbd9a0e274accde47a0c46c3463ac33575c204757183dbaa09afc8fb2e1bbd6aa8464a3539758982eb9a1ce38d347

Download Submit
memory/4444-21-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4444-27-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4444-25-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4444-24-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4764-29-0x00000000004D0000-0x000000000050E000-memory.dmp

Filesize
248KB

Download
memory/4764-31-0x0000000007250000-0x00000000072E2000-memory.dmp

Filesize
584KB

Download
memory/4764-30-0x0000000007700000-0x0000000007CA4000-memory.dmp

Filesize
5.6MB

Download
memory/4764-32-0x00000000047D0000-0x00000000047DA000-memory.dmp

Filesize
40KB

Download
memory/4764-33-0x00000000082D0000-0x00000000088E8000-memory.dmp

Filesize
6.1MB

Download
memory/4764-34-0x0000000007560000-0x000000000766A000-memory.dmp

Filesize
1.0MB

Download
memory/4764-35-0x0000000007490000-0x00000000074A2000-memory.dmp

Filesize
72KB

Download
memory/4764-36-0x00000000074F0000-0x000000000752C000-memory.dmp

Filesize
240KB

Download
memory/4764-37-0x0000000007670000-0x00000000076BC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads