mystic | 8ee265740e734e664a806025412118c1398e5fd5de8de7844c913c144f497faa

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 17:24

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General

Target

67adfef0180eabce1681648e2c46c32d12d6f42f83d1e0f23337cb248ea7503f.exe
Size

598KB
MD5

1598f837f169b3d98c236d9ead3fa842
SHA1

c4ecc836b0daf3fad7556e4e2e8e218cd2306f7c
SHA256

67adfef0180eabce1681648e2c46c32d12d6f42f83d1e0f23337cb248ea7503f
SHA512

3eb450ca3165f9f36693e84e414da703da9e9320be967096d47ea11ecb6389ec8bd6421709d84c85f852591fad55ee2f47fbfe6044195e8d7beb933565664c38
SSDEEP

12288:wMr0y90gun5B6oTBtLfzNNBlRyQzSxJGahdFm4Iv0eQ4s:UyyB6oTHLZNAQOPGSdFTAQR

Score

10^/10

mystic evasion persistence stealer trojan

Malware Config

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral5/memory/1572-47-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral5/memory/1572-49-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral5/memory/1572-48-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral5/memory/1572-51-0x0000000000400000-0x0000000000428000-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\DisableBehaviorMonitoring = "1"	q6247753.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	q6247753.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	q6247753.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	q6247753.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	q6247753.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	q6247753.exe

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

Executes dropped EXE 2 IoCs

pid	Process
2548	q6247753.exe
4932	r8011193.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	q6247753.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	q6247753.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\\\""	67adfef0180eabce1681648e2c46c32d12d6f42f83d1e0f23337cb248ea7503f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4932 set thread context of 1572	4932	r8011193.exe	95

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4336	4932	WerFault.exe	93

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2548	q6247753.exe
2548	q6247753.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	q6247753.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2548	2244	67adfef0180eabce1681648e2c46c32d12d6f42f83d1e0f23337cb248ea7503f.exe	83
PID 2244 wrote to memory of 2548	2244	67adfef0180eabce1681648e2c46c32d12d6f42f83d1e0f23337cb248ea7503f.exe	83
PID 2244 wrote to memory of 2548	2244	67adfef0180eabce1681648e2c46c32d12d6f42f83d1e0f23337cb248ea7503f.exe	83
PID 2244 wrote to memory of 4932	2244	67adfef0180eabce1681648e2c46c32d12d6f42f83d1e0f23337cb248ea7503f.exe	93
PID 2244 wrote to memory of 4932	2244	67adfef0180eabce1681648e2c46c32d12d6f42f83d1e0f23337cb248ea7503f.exe	93
PID 2244 wrote to memory of 4932	2244	67adfef0180eabce1681648e2c46c32d12d6f42f83d1e0f23337cb248ea7503f.exe	93
PID 4932 wrote to memory of 1572	4932	r8011193.exe	95
PID 4932 wrote to memory of 1572	4932	r8011193.exe	95
PID 4932 wrote to memory of 1572	4932	r8011193.exe	95
PID 4932 wrote to memory of 1572	4932	r8011193.exe	95
PID 4932 wrote to memory of 1572	4932	r8011193.exe	95
PID 4932 wrote to memory of 1572	4932	r8011193.exe	95
PID 4932 wrote to memory of 1572	4932	r8011193.exe	95
PID 4932 wrote to memory of 1572	4932	r8011193.exe	95
PID 4932 wrote to memory of 1572	4932	r8011193.exe	95
PID 4932 wrote to memory of 1572	4932	r8011193.exe	95

C:\Users\Admin\AppData\Local\Temp\67adfef0180eabce1681648e2c46c32d12d6f42f83d1e0f23337cb248ea7503f.exe
"C:\Users\Admin\AppData\Local\Temp\67adfef0180eabce1681648e2c46c32d12d6f42f83d1e0f23337cb248ea7503f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q6247753.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q6247753.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2548
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r8011193.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r8011193.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4932
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:1572
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 160
    3⤵
    - Program crash
    PID:4336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4932 -ip 4932
1⤵
PID:5000

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q6247753.exe

Filesize
192KB

MD5
2697aaad7ca684efd61677e249971994

SHA1
2514a34fbe9457fe9086411222f38c794393b18f

SHA256
85ecd446c64a5716e379f88ddab9c9b702a98f32a9c69885cc4a4cd31605d885

SHA512
b86864c730da5cae428cf2dd614295fa82d7d2470fb73c10e4bc24a2187e95e8cee6542e9551689974a36a96ac8b672fbe1cda6ceb2399154ccfa563c95873bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r8011193.exe

Filesize
1.4MB

MD5
73dc6ce5843b159f475ed4ebfdf531c0

SHA1
087b06c837cbe01a9d903ad6ca050604b930b883

SHA256
ee7bb9af1b2a3f12e9fcc4652c437c8e7856606e4465766145b4509ebd664ce7

SHA512
71315bd80038a127623aa3c5e8f79806804c66bcc4dcc73f04000c29f0be5ec729485804b555e85a94e53e5600ce3e8daba3e1e17e9ebdc8ec793cd785c4f24d

Download Submit
memory/1572-51-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1572-48-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1572-49-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1572-47-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2548-25-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-13-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-37-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-35-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-34-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-31-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-29-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-27-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-21-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-23-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-15-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-39-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-40-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2548-12-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-19-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-17-0x0000000002160000-0x0000000002176000-memory.dmp

Filesize
88KB

Download
memory/2548-41-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2548-43-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2548-11-0x0000000002160000-0x000000000217C000-memory.dmp

Filesize
112KB

Download
memory/2548-9-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2548-10-0x0000000004AC0000-0x0000000005064000-memory.dmp

Filesize
5.6MB

Download
memory/2548-8-0x0000000002100000-0x000000000211E000-memory.dmp

Filesize
120KB

Download
memory/2548-7-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download