mystic | d66c5907218da0e1082f3a1318226d1c5bab6bd1ebb57b034a817b4c35495ac8

Analysis

max time kernel
133s
max time network
152s
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 09:40

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General

Target

1a2ed241f75ba217ad63fa42ab55e56d8f009f93b151dd367b73459e26169081.exe
Size

759KB
MD5

da65ecd0dd929d1a51b4a306ee005289
SHA1

a109353f18e52c495a522d2e26fc5596478222c9
SHA256

1a2ed241f75ba217ad63fa42ab55e56d8f009f93b151dd367b73459e26169081
SHA512

6b59bc5578e22dec313d8e90199a1892fc2e3455001440a76b70ebb97fd6dcb310f45cf17cf417cdec02750ce1548a49f083dde105ce43f38de0d69be9946a53
SSDEEP

12288:NMrBy902NCTgXGeV8LTNVQ9vLrUHopYACumX/Yjva8KbvsZzo4BEpu+LnK+FI6y:wyn0/UQNVMMHAouIgG8KIO4BGu48n

Score

10^/10

mystic redline kinza infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kinza

77.91.124.86:19084

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral4/memory/4372-14-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral4/memory/4372-15-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral4/memory/4372-17-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral4/memory/4372-18-0x0000000000400000-0x0000000000434000-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
behavioral4/files/0x000700000002345a-20.dat	family_redline
behavioral4/memory/1524-22-0x0000000000F30000-0x0000000000F6E000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
4812	zy6UT6dJ.exe
796	1Uw40xk0.exe
1524	2vL956BB.exe

Adds Run key to start application 2 TTPs 2 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\\\""	1a2ed241f75ba217ad63fa42ab55e56d8f009f93b151dd367b73459e26169081.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\\\""	zy6UT6dJ.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 796 set thread context of 4372	796	1Uw40xk0.exe	89

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4484	4372	WerFault.exe	89

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 4812	2780	1a2ed241f75ba217ad63fa42ab55e56d8f009f93b151dd367b73459e26169081.exe	83
PID 2780 wrote to memory of 4812	2780	1a2ed241f75ba217ad63fa42ab55e56d8f009f93b151dd367b73459e26169081.exe	83
PID 2780 wrote to memory of 4812	2780	1a2ed241f75ba217ad63fa42ab55e56d8f009f93b151dd367b73459e26169081.exe	83
PID 4812 wrote to memory of 796	4812	zy6UT6dJ.exe	84
PID 4812 wrote to memory of 796	4812	zy6UT6dJ.exe	84
PID 4812 wrote to memory of 796	4812	zy6UT6dJ.exe	84
PID 796 wrote to memory of 4372	796	1Uw40xk0.exe	89
PID 796 wrote to memory of 4372	796	1Uw40xk0.exe	89
PID 796 wrote to memory of 4372	796	1Uw40xk0.exe	89
PID 796 wrote to memory of 4372	796	1Uw40xk0.exe	89
PID 796 wrote to memory of 4372	796	1Uw40xk0.exe	89
PID 796 wrote to memory of 4372	796	1Uw40xk0.exe	89
PID 796 wrote to memory of 4372	796	1Uw40xk0.exe	89
PID 796 wrote to memory of 4372	796	1Uw40xk0.exe	89
PID 796 wrote to memory of 4372	796	1Uw40xk0.exe	89
PID 796 wrote to memory of 4372	796	1Uw40xk0.exe	89
PID 4812 wrote to memory of 1524	4812	zy6UT6dJ.exe	91
PID 4812 wrote to memory of 1524	4812	zy6UT6dJ.exe	91
PID 4812 wrote to memory of 1524	4812	zy6UT6dJ.exe	91

C:\Users\Admin\AppData\Local\Temp\1a2ed241f75ba217ad63fa42ab55e56d8f009f93b151dd367b73459e26169081.exe
"C:\Users\Admin\AppData\Local\Temp\1a2ed241f75ba217ad63fa42ab55e56d8f009f93b151dd367b73459e26169081.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zy6UT6dJ.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zy6UT6dJ.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4812
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Uw40xk0.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Uw40xk0.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:796
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4372
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 540
        5⤵
        Program crash
        
        PID:4484
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2vL956BB.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2vL956BB.exe
    3⤵
    - Executes dropped EXE
    PID:1524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4372 -ip 4372
1⤵
PID:1440

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\zy6UT6dJ.exe

Filesize
563KB

MD5
50d161ff0a9c13f7323babe9b384e2f1

SHA1
e73f3229b51860b87bd5dbc60bbc43c84cd4df56

SHA256
c93eeabab5d31940b473f61ceebac494913990ee5e7f5bb84844d25532abc5ea

SHA512
9eade06dc927fcf9a661d97e4d5d9bf5b2cc7d92867e1ace3ceac0de71c0b4bbae8cc09460ca8ec6184edddf51505accb15be04507c42e880a9f8cc9ecca67d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Uw40xk0.exe

Filesize
1.1MB

MD5
c737cc8acda6a72b0bc0307bcbc834e1

SHA1
db31b95db084bd4ff809077a440dda59d46a4427

SHA256
8245e17abc8aa6696c3cc167353cde03ebfd70424514656162f1bc13d9c16b73

SHA512
61c35e9df4a27e05d0688c21b808b40c03f09a126b1ae1585a690263fc52cb29b02780c862c5eca48c5d50c061cff253941a662426e3e61c36cd31bc92a7d708

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2vL956BB.exe

Filesize
221KB

MD5
52c4b0436a920cd446c8621aa5422664

SHA1
c53443da4e20a3e0f613f787fbbc11b2f43cf923

SHA256
77b1534ed670558323f311e7ea4b4a8d94db7eb4d8439a7f00251dda4e5a38f2

SHA512
a676baf7ee3fc78b3046a268924dab6197d086ed43b1f287ff4d086777dded650b62743cb2d826e298757eb11587b0897e9f16410ba22b4515940bb65fe71189

Download Submit
memory/1524-27-0x0000000007FD0000-0x00000000080DA000-memory.dmp

Filesize
1.0MB

Download
memory/1524-22-0x0000000000F30000-0x0000000000F6E000-memory.dmp

Filesize
248KB

Download
memory/1524-23-0x0000000008160000-0x0000000008704000-memory.dmp

Filesize
5.6MB

Download
memory/1524-24-0x0000000007CB0000-0x0000000007D42000-memory.dmp

Filesize
584KB

Download
memory/1524-25-0x0000000003100000-0x000000000310A000-memory.dmp

Filesize
40KB

Download
memory/1524-26-0x0000000008D30000-0x0000000009348000-memory.dmp

Filesize
6.1MB

Download
memory/1524-28-0x0000000007EF0000-0x0000000007F02000-memory.dmp

Filesize
72KB

Download
memory/1524-29-0x0000000007F50000-0x0000000007F8C000-memory.dmp

Filesize
240KB

Download
memory/1524-30-0x00000000080E0000-0x000000000812C000-memory.dmp

Filesize
304KB

Download
memory/4372-17-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4372-15-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4372-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4372-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads