mystic | a44d7397ca2486a37cfbc6cd473037b204a5fe4678303dd2f187c814c85f25db

Analysis

max time kernel
142s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 17:36

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General

Target

e8a7f5f2b344eb468a91c59dbe8699a08d71f9b708a1134c8948cf194516594b.exe
Size

598KB
MD5

f9305f8c01feede28b3af484efc7e885
SHA1

c7c26d98b578f15ec3456bd76e5ba11ce8c9b5fc
SHA256

e8a7f5f2b344eb468a91c59dbe8699a08d71f9b708a1134c8948cf194516594b
SHA512

e6344b60223e82bcd52ae1635281e4494ff9fd1a7f95da0fd6bcc93463d7cd5c8bb9dfcabfde585906e26e401b1a76be00d799f5e21ce5281b988b5f6922cf35
SSDEEP

12288:oMruy905un5B6oTfvVlCHP43ZdnjvNlPSKgZdv85uhzfjA:2ybB6oTfNlfpBjvNYjUuhg

Score

10^/10

mystic evasion persistence stealer trojan

Malware Config

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral18/memory/1292-47-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral18/memory/1292-49-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral18/memory/1292-48-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral18/memory/1292-51-0x0000000000400000-0x0000000000428000-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"	q6182467.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	q6182467.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	q6182467.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	q6182467.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	q6182467.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	q6182467.exe

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

Executes dropped EXE 2 IoCs

pid	Process
4204	q6182467.exe
2276	r5347789.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	q6182467.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	q6182467.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\\\""	e8a7f5f2b344eb468a91c59dbe8699a08d71f9b708a1134c8948cf194516594b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2276 set thread context of 1292	2276	r5347789.exe	92

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2260	2276	WerFault.exe	90

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4204	q6182467.exe
4204	q6182467.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4204	q6182467.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 764 wrote to memory of 4204	764	e8a7f5f2b344eb468a91c59dbe8699a08d71f9b708a1134c8948cf194516594b.exe	89
PID 764 wrote to memory of 4204	764	e8a7f5f2b344eb468a91c59dbe8699a08d71f9b708a1134c8948cf194516594b.exe	89
PID 764 wrote to memory of 4204	764	e8a7f5f2b344eb468a91c59dbe8699a08d71f9b708a1134c8948cf194516594b.exe	89
PID 764 wrote to memory of 2276	764	e8a7f5f2b344eb468a91c59dbe8699a08d71f9b708a1134c8948cf194516594b.exe	90
PID 764 wrote to memory of 2276	764	e8a7f5f2b344eb468a91c59dbe8699a08d71f9b708a1134c8948cf194516594b.exe	90
PID 764 wrote to memory of 2276	764	e8a7f5f2b344eb468a91c59dbe8699a08d71f9b708a1134c8948cf194516594b.exe	90
PID 2276 wrote to memory of 1292	2276	r5347789.exe	92
PID 2276 wrote to memory of 1292	2276	r5347789.exe	92
PID 2276 wrote to memory of 1292	2276	r5347789.exe	92
PID 2276 wrote to memory of 1292	2276	r5347789.exe	92
PID 2276 wrote to memory of 1292	2276	r5347789.exe	92
PID 2276 wrote to memory of 1292	2276	r5347789.exe	92
PID 2276 wrote to memory of 1292	2276	r5347789.exe	92
PID 2276 wrote to memory of 1292	2276	r5347789.exe	92
PID 2276 wrote to memory of 1292	2276	r5347789.exe	92
PID 2276 wrote to memory of 1292	2276	r5347789.exe	92

C:\Users\Admin\AppData\Local\Temp\e8a7f5f2b344eb468a91c59dbe8699a08d71f9b708a1134c8948cf194516594b.exe
"C:\Users\Admin\AppData\Local\Temp\e8a7f5f2b344eb468a91c59dbe8699a08d71f9b708a1134c8948cf194516594b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:764
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q6182467.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q6182467.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4204
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r5347789.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r5347789.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:1292
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 596
    3⤵
    - Program crash
    PID:2260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2276 -ip 2276
1⤵
PID:4092

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:3564

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\q6182467.exe

Filesize
192KB

MD5
718f491ab0172ca1277f521481f8f4a1

SHA1
4d5a86a2c1f019a0f99044f46c526d50493e32e4

SHA256
2c6cbecf38724ffdb2957260693e0575a94f9835b35846824510aebea7b3ac0e

SHA512
03fa33c6005ee0d38b4a38941d8a1f4fb1087d1ae07463574e739a01c633f00a893d7998699c90b4d8fa58720cc41f81caaaf49ac533a101d96e01fee99b88cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r5347789.exe

Filesize
1.4MB

MD5
c601017d4f107cc2e978a4ba8db282e8

SHA1
b4b2f1bceec7e911044c1e6bef0abe48b731a75a

SHA256
5ac975131171e765efcd284d6d50ef029703817f3055cc565832d1c55ba93b86

SHA512
5d188953298053aa79ee3479f48102450ab4780e7c37da1bcd1109f4638a899899d196883fb534c1adf98758d166465a9329398cf2fcf1a50af297cf87083462

Download Submit
memory/1292-51-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1292-48-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1292-49-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1292-47-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4204-33-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-27-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-15-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-17-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-41-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-39-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-37-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-36-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-12-0x0000000004A00000-0x0000000004FA4000-memory.dmp

Filesize
5.6MB

Download
memory/4204-31-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-29-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-13-0x0000000004990000-0x00000000049AC000-memory.dmp

Filesize
112KB

Download
memory/4204-25-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-23-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-21-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-19-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-14-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4204-43-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/4204-11-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/4204-10-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/4204-9-0x0000000002280000-0x000000000229E000-memory.dmp

Filesize
120KB

Download
memory/4204-8-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/4204-7-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download