mystic | e660be79de0932d6c5c0f1b65dc5d842ed790962625d5dd8731c30f46ae264a2

Analysis

max time kernel
132s
max time network
140s
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 10:53

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General

Target

15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345.exe
Size

696KB
MD5

1e67de39f39ec0ebf57a99f3c9792db4
SHA1

d48b53c6db8b76e897bed7fcf4d71a4b251761e2
SHA256

15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345
SHA512

207f4467ff437c5ee0c1bcfffbc4c9e04730f4425675284a796d139fd7847b5860ec0e519d0bddf522c5d61fd1e8b6b1843a4ca647655e470d223782e5408576
SSDEEP

12288:nMrfy90WDGzmGYraY2DHabvD7z61CHlrdMJY1v2w7N2dnPcAXej5+uttq1:QyrMmGYranDiYCHvUa7Y0AXw+utk1

Score

10^/10

mystic smokeloader backdoor evasion persistence stealer trojan

Malware Config

Signatures

Detect Mystic stealer payload 3 IoCs

Processes:

resource	yara_rule
behavioral4/memory/3376-54-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral4/memory/3376-55-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral4/memory/3376-57-0x0000000000400000-0x0000000000428000-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:

1GM40Wh1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	1GM40Wh1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	1GM40Wh1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	1GM40Wh1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	1GM40Wh1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	1GM40Wh1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	1GM40Wh1.exe

Mystic
Mystic is an infostealer written in C++.
stealer mystic
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Executes dropped EXE 4 IoCs

Processes:

HR7jR27.exe1GM40Wh1.exe2gt7231.exe3Kv71oF.exe

pid process

2448 HR7jR27.exe
2912 1GM40Wh1.exe
2924 2gt7231.exe
1628 3Kv71oF.exe

pid	process
2448	HR7jR27.exe
2912	1GM40Wh1.exe
2924	2gt7231.exe
1628	3Kv71oF.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

1GM40Wh1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	1GM40Wh1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	1GM40Wh1.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345.exeHR7jR27.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\\\""	15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345.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\\\""	HR7jR27.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

2gt7231.exe3Kv71oF.exe

description	pid	process	target process
PID 2924 set thread context of 3376	2924	2gt7231.exe	AppLaunch.exe
PID 1628 set thread context of 556	1628	3Kv71oF.exe	AppLaunch.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4152 2924 WerFault.exe 2gt7231.exe
4588 1628 WerFault.exe 3Kv71oF.exe

pid	pid_target	process	target process
4152	2924	WerFault.exe	2gt7231.exe
4588	1628	WerFault.exe	3Kv71oF.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

AppLaunch.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1GM40Wh1.exe

pid process

2912 1GM40Wh1.exe
2912 1GM40Wh1.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1GM40Wh1.exe

description pid process

Token: SeDebugPrivilege 2912 1GM40Wh1.exe

pid	process
2912	1GM40Wh1.exe
2912	1GM40Wh1.exe

description	pid	process
Token: SeDebugPrivilege	2912	1GM40Wh1.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345.exeHR7jR27.exe2gt7231.exe3Kv71oF.exe

description	pid	process	target process
PID 4072 wrote to memory of 2448	4072	15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345.exe	HR7jR27.exe
PID 4072 wrote to memory of 2448	4072	15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345.exe	HR7jR27.exe
PID 4072 wrote to memory of 2448	4072	15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345.exe	HR7jR27.exe
PID 2448 wrote to memory of 2912	2448	HR7jR27.exe	1GM40Wh1.exe
PID 2448 wrote to memory of 2912	2448	HR7jR27.exe	1GM40Wh1.exe
PID 2448 wrote to memory of 2912	2448	HR7jR27.exe	1GM40Wh1.exe
PID 2448 wrote to memory of 2924	2448	HR7jR27.exe	2gt7231.exe
PID 2448 wrote to memory of 2924	2448	HR7jR27.exe	2gt7231.exe
PID 2448 wrote to memory of 2924	2448	HR7jR27.exe	2gt7231.exe
PID 2924 wrote to memory of 3376	2924	2gt7231.exe	AppLaunch.exe
PID 2924 wrote to memory of 3376	2924	2gt7231.exe	AppLaunch.exe
PID 2924 wrote to memory of 3376	2924	2gt7231.exe	AppLaunch.exe
PID 2924 wrote to memory of 3376	2924	2gt7231.exe	AppLaunch.exe
PID 2924 wrote to memory of 3376	2924	2gt7231.exe	AppLaunch.exe
PID 2924 wrote to memory of 3376	2924	2gt7231.exe	AppLaunch.exe
PID 2924 wrote to memory of 3376	2924	2gt7231.exe	AppLaunch.exe
PID 2924 wrote to memory of 3376	2924	2gt7231.exe	AppLaunch.exe
PID 2924 wrote to memory of 3376	2924	2gt7231.exe	AppLaunch.exe
PID 2924 wrote to memory of 3376	2924	2gt7231.exe	AppLaunch.exe
PID 4072 wrote to memory of 1628	4072	15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345.exe	3Kv71oF.exe
PID 4072 wrote to memory of 1628	4072	15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345.exe	3Kv71oF.exe
PID 4072 wrote to memory of 1628	4072	15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345.exe	3Kv71oF.exe
PID 1628 wrote to memory of 556	1628	3Kv71oF.exe	AppLaunch.exe
PID 1628 wrote to memory of 556	1628	3Kv71oF.exe	AppLaunch.exe
PID 1628 wrote to memory of 556	1628	3Kv71oF.exe	AppLaunch.exe
PID 1628 wrote to memory of 556	1628	3Kv71oF.exe	AppLaunch.exe
PID 1628 wrote to memory of 556	1628	3Kv71oF.exe	AppLaunch.exe
PID 1628 wrote to memory of 556	1628	3Kv71oF.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345.exe
"C:\Users\Admin\AppData\Local\Temp\15191ca5733dc24267c62d313d67d3b681de7a4926e8471dff771f7f746cf345.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4072

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\HR7jR27.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\HR7jR27.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2448

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1GM40Wh1.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1GM40Wh1.exe
3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2912

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2gt7231.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2gt7231.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2924

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
PID:3376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 596
4⤵
- Program crash
PID:4152

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3Kv71oF.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3Kv71oF.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
- Checks SCSI registry key(s)
PID:556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 152
3⤵
- Program crash
PID:4588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2924 -ip 2924
1⤵
PID:1296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1628 -ip 1628
1⤵
PID:3496

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3Kv71oF.exe
Filesize
268KB

MD5
f09b788bfb242f8edcb4b4ab2bd0275a

SHA1
71b2273479460cbda9d08073d0b116935d2c6813

SHA256
f291d8694f3198b824474d57a18792218a5d622f2f59370efe6679563db87521

SHA512
709bdc1a303159b27f7e7fa793d1c78f3d6223b5a3ba2c03cbea36eafc1bd0e2edc1bd19e61f7ed5ca53a1ab5018d7c171fc9c3c4ff67b02b4087a07cfd5dda6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\HR7jR27.exe
Filesize
452KB

MD5
2c132cb787182fc57772d3028ba707ba

SHA1
0cbd1c2515b7d7f7aaa7f15eac097e949e0494f1

SHA256
64cd99f027ad9ee9e152eebc28a16b3e27817bc00328d2cb1f99d8fec792f50d

SHA512
5e074ce5fb2eafe680918b51395865c1ed77df9b07de63e0e48ddbe3c4d30c4b243ec82facc51c55c046839df9bb10dad07826c47791833519d1179e20666676

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1GM40Wh1.exe
Filesize
192KB

MD5
8904f85abd522c7d0cb5789d9583ccff

SHA1
5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

SHA256
7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

SHA512
04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2gt7231.exe
Filesize
378KB

MD5
f0831f173733de08511f3a0739f278a6

SHA1
06dc809d653c5d2c97386084ae13b50a73eb5b60

SHA256
8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

SHA512
19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

Download Submit
memory/556-61-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2912-37-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-29-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-19-0x0000000073B70000-0x0000000074320000-memory.dmp

Filesize
7.7MB

Download
memory/2912-47-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-48-0x0000000073B70000-0x0000000074320000-memory.dmp

Filesize
7.7MB

Download
memory/2912-45-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-43-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-41-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-39-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-16-0x0000000073B70000-0x0000000074320000-memory.dmp

Filesize
7.7MB

Download
memory/2912-35-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-33-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-31-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-18-0x0000000002430000-0x000000000244C000-memory.dmp

Filesize
112KB

Download
memory/2912-27-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-25-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-23-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-21-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-20-0x0000000002430000-0x0000000002446000-memory.dmp

Filesize
88KB

Download
memory/2912-50-0x0000000073B70000-0x0000000074320000-memory.dmp

Filesize
7.7MB

Download
memory/2912-17-0x0000000004C00000-0x00000000051A4000-memory.dmp

Filesize
5.6MB

Download
memory/2912-14-0x0000000073B7E000-0x0000000073B7F000-memory.dmp

Filesize
4KB

Download
memory/2912-15-0x0000000000990000-0x00000000009AE000-memory.dmp

Filesize
120KB

Download
memory/3376-57-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3376-55-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3376-54-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download