mystic | 176abc5d4c53fc1397a77e15c4028591fc335ce9464a700eddd56742d55dd10d

Analysis

max time kernel
128s
max time network
130s
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 17:10

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General

Target

d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7.exe
Size

452KB
MD5

14e7b4eec5a799caba4f0e16a28eff2e
SHA1

9b3e52e73c155b297141c7b54fac82026a7de874
SHA256

d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7
SHA512

c2e95a5a13f99b204e0d928447786afa0ea44e2ba30b25378779c4cef6630513aa2cfdb7528292da5ff90d27ff6d960e8a48b69112995e1a2dc50fed163c81af
SSDEEP

12288:IMrxy907un5B6oTqaKfe627API0hNa+XI:5yzB6oTEe627V0hN4

Score

10^/10

mystic evasion persistence stealer trojan

Malware Config

Signatures

Detect Mystic stealer payload 4 IoCs

Processes:

resource	yara_rule
behavioral20/memory/1288-46-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral20/memory/1288-48-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral20/memory/1288-50-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral20/memory/1288-47-0x0000000000400000-0x0000000000428000-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

Processes:

1Hl75Jd0.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	1Hl75Jd0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	1Hl75Jd0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	1Hl75Jd0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	1Hl75Jd0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	1Hl75Jd0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	1Hl75Jd0.exe

Mystic
Mystic is an infostealer written in C++.
stealer mystic
Executes dropped EXE 2 IoCs

Processes:

1Hl75Jd0.exe2qz43Ww.exe

pid process

1800 1Hl75Jd0.exe
3616 2qz43Ww.exe

pid	process
1800	1Hl75Jd0.exe
3616	2qz43Ww.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

1Hl75Jd0.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	1Hl75Jd0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	1Hl75Jd0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7.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\\\""	d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2qz43Ww.exe

description pid process target process

PID 3616 set thread context of 1288 3616 2qz43Ww.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1784 3616 WerFault.exe 2qz43Ww.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1Hl75Jd0.exe

pid process

1800 1Hl75Jd0.exe
1800 1Hl75Jd0.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1Hl75Jd0.exe

description pid process

Token: SeDebugPrivilege 1800 1Hl75Jd0.exe

description	pid	process	target process
PID 3616 set thread context of 1288	3616	2qz43Ww.exe	AppLaunch.exe

pid	pid_target	process	target process
1784	3616	WerFault.exe	2qz43Ww.exe

pid	process
1800	1Hl75Jd0.exe
1800	1Hl75Jd0.exe

description	pid	process
Token: SeDebugPrivilege	1800	1Hl75Jd0.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7.exe2qz43Ww.exe

description	pid	process	target process
PID 3720 wrote to memory of 1800	3720	d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7.exe	1Hl75Jd0.exe
PID 3720 wrote to memory of 1800	3720	d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7.exe	1Hl75Jd0.exe
PID 3720 wrote to memory of 1800	3720	d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7.exe	1Hl75Jd0.exe
PID 3720 wrote to memory of 3616	3720	d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7.exe	2qz43Ww.exe
PID 3720 wrote to memory of 3616	3720	d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7.exe	2qz43Ww.exe
PID 3720 wrote to memory of 3616	3720	d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7.exe	2qz43Ww.exe
PID 3616 wrote to memory of 2524	3616	2qz43Ww.exe	AppLaunch.exe
PID 3616 wrote to memory of 2524	3616	2qz43Ww.exe	AppLaunch.exe
PID 3616 wrote to memory of 2524	3616	2qz43Ww.exe	AppLaunch.exe
PID 3616 wrote to memory of 1288	3616	2qz43Ww.exe	AppLaunch.exe
PID 3616 wrote to memory of 1288	3616	2qz43Ww.exe	AppLaunch.exe
PID 3616 wrote to memory of 1288	3616	2qz43Ww.exe	AppLaunch.exe
PID 3616 wrote to memory of 1288	3616	2qz43Ww.exe	AppLaunch.exe
PID 3616 wrote to memory of 1288	3616	2qz43Ww.exe	AppLaunch.exe
PID 3616 wrote to memory of 1288	3616	2qz43Ww.exe	AppLaunch.exe
PID 3616 wrote to memory of 1288	3616	2qz43Ww.exe	AppLaunch.exe
PID 3616 wrote to memory of 1288	3616	2qz43Ww.exe	AppLaunch.exe
PID 3616 wrote to memory of 1288	3616	2qz43Ww.exe	AppLaunch.exe
PID 3616 wrote to memory of 1288	3616	2qz43Ww.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7.exe
"C:\Users\Admin\AppData\Local\Temp\d686e13696bd68f852ead6d9f363bc3da451cda82485f639727be0ee38b8dac7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3720

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Hl75Jd0.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Hl75Jd0.exe
2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1800

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2qz43Ww.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2qz43Ww.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3616

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:2524

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:1288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3616 -s 160
3⤵
- Program crash
PID:1784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3616 -ip 3616
1⤵
PID:1940

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\1Hl75Jd0.exe

Filesize
192KB

MD5
8904f85abd522c7d0cb5789d9583ccff

SHA1
5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

SHA256
7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

SHA512
04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2qz43Ww.exe

Filesize
378KB

MD5
a6a338d8328ce169199594d23d298879

SHA1
4b6ce8a59c8eb15fd8862bcc4ec2fa5a137ba8ff

SHA256
0e02b379302a31ebfcaf729e065411452400a0cbc44b406000bbe6d1e795cacb

SHA512
105029d5e253ae55a5d899115e5e79810d555807f2743b9253a7d72f3068969cd3de0fb5cbe2bf3a510c969ea68ba59be5df05944048d19ab06c149295fb7e47

Download Submit
memory/1288-47-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1288-50-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1288-48-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1288-46-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1800-27-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-21-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-40-0x0000000073CA0000-0x0000000074450000-memory.dmp

Filesize
7.7MB

Download
memory/1800-31-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-17-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-35-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-33-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-29-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-37-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-25-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-23-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-39-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-19-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-15-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-13-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-12-0x0000000002410000-0x0000000002426000-memory.dmp

Filesize
88KB

Download
memory/1800-42-0x0000000073CA0000-0x0000000074450000-memory.dmp

Filesize
7.7MB

Download
memory/1800-11-0x0000000002410000-0x000000000242C000-memory.dmp

Filesize
112KB

Download
memory/1800-10-0x0000000004980000-0x0000000004F24000-memory.dmp

Filesize
5.6MB

Download
memory/1800-9-0x0000000073CA0000-0x0000000074450000-memory.dmp

Filesize
7.7MB

Download
memory/1800-8-0x00000000021C0000-0x00000000021DE000-memory.dmp

Filesize
120KB

Download
memory/1800-7-0x0000000073CAE000-0x0000000073CAF000-memory.dmp

Filesize
4KB

Download