mystic | 1aa612c673e0e8506776c3b8740894f0947bb33bd7b5f22dc14212289801a024

Analysis

max time kernel
131s
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 17:01

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General

Target

5d2993b3c14eb3f833d52e4874f37ee17b3eeb5d75594bb31700eeb723ec95f9.exe
Size

452KB
MD5

39526e106dbda09d8e555a0ff20f30d0
SHA1

a91b8cf366ff6fb255556160147aca84a2531ec8
SHA256

5d2993b3c14eb3f833d52e4874f37ee17b3eeb5d75594bb31700eeb723ec95f9
SHA512

ecabf935ad68fa4ff5a0791092d34f356850dec9c893f3f22c0c443353cec50aecf12a9957f4951d3f32c5362541a4a1dd87c90c6d81573cd9ab6baf84d9aca1
SSDEEP

12288:fMrsy906un5B6oTqaKjD7Lh1SsmrdMZ71c2w7F:LySB6oTsPSs2Uo7F

Score

10^/10

mystic evasion persistence stealer trojan

Malware Config

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral9/memory/1200-47-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral9/memory/1200-49-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral9/memory/1200-51-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral9/memory/1200-48-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	1xr29Lp5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	1xr29Lp5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	1xr29Lp5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	1xr29Lp5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	1xr29Lp5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	1xr29Lp5.exe

Mystic
Mystic is an infostealer written in C++.
stealer mystic

Executes dropped EXE 2 IoCs

pid	Process
2384	1xr29Lp5.exe
1452	2ti1092.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	1xr29Lp5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	1xr29Lp5.exe

Adds Run key to start application 2 TTPs 1 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\\\""	5d2993b3c14eb3f833d52e4874f37ee17b3eeb5d75594bb31700eeb723ec95f9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1452 set thread context of 1200	1452	2ti1092.exe	96

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1968	1452	WerFault.exe	94

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2384	1xr29Lp5.exe
2384	1xr29Lp5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2384	1xr29Lp5.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 2384	1188	5d2993b3c14eb3f833d52e4874f37ee17b3eeb5d75594bb31700eeb723ec95f9.exe	85
PID 1188 wrote to memory of 2384	1188	5d2993b3c14eb3f833d52e4874f37ee17b3eeb5d75594bb31700eeb723ec95f9.exe	85
PID 1188 wrote to memory of 2384	1188	5d2993b3c14eb3f833d52e4874f37ee17b3eeb5d75594bb31700eeb723ec95f9.exe	85
PID 1188 wrote to memory of 1452	1188	5d2993b3c14eb3f833d52e4874f37ee17b3eeb5d75594bb31700eeb723ec95f9.exe	94
PID 1188 wrote to memory of 1452	1188	5d2993b3c14eb3f833d52e4874f37ee17b3eeb5d75594bb31700eeb723ec95f9.exe	94
PID 1188 wrote to memory of 1452	1188	5d2993b3c14eb3f833d52e4874f37ee17b3eeb5d75594bb31700eeb723ec95f9.exe	94
PID 1452 wrote to memory of 1200	1452	2ti1092.exe	96
PID 1452 wrote to memory of 1200	1452	2ti1092.exe	96
PID 1452 wrote to memory of 1200	1452	2ti1092.exe	96
PID 1452 wrote to memory of 1200	1452	2ti1092.exe	96
PID 1452 wrote to memory of 1200	1452	2ti1092.exe	96
PID 1452 wrote to memory of 1200	1452	2ti1092.exe	96
PID 1452 wrote to memory of 1200	1452	2ti1092.exe	96
PID 1452 wrote to memory of 1200	1452	2ti1092.exe	96
PID 1452 wrote to memory of 1200	1452	2ti1092.exe	96
PID 1452 wrote to memory of 1200	1452	2ti1092.exe	96

C:\Users\Admin\AppData\Local\Temp\5d2993b3c14eb3f833d52e4874f37ee17b3eeb5d75594bb31700eeb723ec95f9.exe
"C:\Users\Admin\AppData\Local\Temp\5d2993b3c14eb3f833d52e4874f37ee17b3eeb5d75594bb31700eeb723ec95f9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1xr29Lp5.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1xr29Lp5.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2384
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2ti1092.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2ti1092.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1452
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:1200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 596
    3⤵
    - Program crash
    PID:1968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1452 -ip 1452
1⤵
PID:4964

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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\1xr29Lp5.exe

Filesize
192KB

MD5
8904f85abd522c7d0cb5789d9583ccff

SHA1
5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

SHA256
7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

SHA512
04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2ti1092.exe

Filesize
378KB

MD5
f0831f173733de08511f3a0739f278a6

SHA1
06dc809d653c5d2c97386084ae13b50a73eb5b60

SHA256
8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

SHA512
19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

Download Submit
memory/1200-48-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1200-51-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1200-49-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1200-47-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2384-21-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-15-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-35-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-33-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-31-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-29-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-27-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-25-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-23-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-19-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-17-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-37-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-13-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-39-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-12-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2384-40-0x0000000073E00000-0x00000000745B0000-memory.dmp

Filesize
7.7MB

Download
memory/2384-41-0x0000000073E00000-0x00000000745B0000-memory.dmp

Filesize
7.7MB

Download
memory/2384-43-0x0000000073E00000-0x00000000745B0000-memory.dmp

Filesize
7.7MB

Download
memory/2384-11-0x0000000004F60000-0x0000000004F7C000-memory.dmp

Filesize
112KB

Download
memory/2384-10-0x00000000049B0000-0x0000000004F54000-memory.dmp

Filesize
5.6MB

Download
memory/2384-9-0x0000000073E00000-0x00000000745B0000-memory.dmp

Filesize
7.7MB

Download
memory/2384-8-0x0000000002280000-0x000000000229E000-memory.dmp

Filesize
120KB

Download
memory/2384-7-0x0000000073E0E000-0x0000000073E0F000-memory.dmp

Filesize
4KB

Download