mystic | 9b80269950e0f1b633a8f97657fa8c4843d63cc1062890797edcbbcf58625520

Analysis

max time kernel
151s
max time network
151s
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 09:42

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General

Target

e01acda3856cc169ddd84def2f4c60a6487d82da3d3c35333bff09986229bd7b.exe
Size

646KB
MD5

6c89d3f6b678bc64af6da3c9cacac5eb
SHA1

42da6d05e4fb3d6e51d47dee8f4a2c2c6cef04ae
SHA256

e01acda3856cc169ddd84def2f4c60a6487d82da3d3c35333bff09986229bd7b
SHA512

168a384f58da9afbb13ea68ca814142ac573c2267eb9d846f5432e0340e3d9dbaa6bdf0f1cf44a1388050b736e28ef04d2a689136d86b2bcfd5c7ffa207e4130
SSDEEP

12288:JMrqy90W9/nMPyouTEjheF02hAyGg7mLaf8T+XfvMVk1U8nz:vyNnMPxjmAmRihEz

Score

10^/10

mystic smokeloader backdoor evasion persistence stealer trojan

Malware Config

Extracted

Family

smokeloader

Version

2022

http://77.91.68.29/fks/

rc4.i32

Signatures

Detect Mystic stealer payload 3 IoCs

resource	yara_rule
behavioral19/memory/4644-18-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral19/memory/4644-21-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral19/memory/4644-20-0x0000000000400000-0x0000000000434000-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\DisableRealtimeMonitoring = "1"	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	AppLaunch.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	AppLaunch.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

pid	Process
4220	DX9ZM55.exe
3160	1hn16Rm3.exe
2128	2Sm8061.exe
3876	3BA66eq.exe

Adds Run key to start application 2 TTPs 2 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\\\""	e01acda3856cc169ddd84def2f4c60a6487d82da3d3c35333bff09986229bd7b.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\\\""	DX9ZM55.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3160 set thread context of 4016	3160	1hn16Rm3.exe	94
PID 2128 set thread context of 4644	2128	2Sm8061.exe	96

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3BA66eq.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3BA66eq.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3BA66eq.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3876	3BA66eq.exe
3876	3BA66eq.exe
4016	AppLaunch.exe
4016	AppLaunch.exe
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found
3296	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3876	3BA66eq.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4016	AppLaunch.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 4220	2412	e01acda3856cc169ddd84def2f4c60a6487d82da3d3c35333bff09986229bd7b.exe	92
PID 2412 wrote to memory of 4220	2412	e01acda3856cc169ddd84def2f4c60a6487d82da3d3c35333bff09986229bd7b.exe	92
PID 2412 wrote to memory of 4220	2412	e01acda3856cc169ddd84def2f4c60a6487d82da3d3c35333bff09986229bd7b.exe	92
PID 4220 wrote to memory of 3160	4220	DX9ZM55.exe	93
PID 4220 wrote to memory of 3160	4220	DX9ZM55.exe	93
PID 4220 wrote to memory of 3160	4220	DX9ZM55.exe	93
PID 3160 wrote to memory of 4016	3160	1hn16Rm3.exe	94
PID 3160 wrote to memory of 4016	3160	1hn16Rm3.exe	94
PID 3160 wrote to memory of 4016	3160	1hn16Rm3.exe	94
PID 3160 wrote to memory of 4016	3160	1hn16Rm3.exe	94
PID 3160 wrote to memory of 4016	3160	1hn16Rm3.exe	94
PID 3160 wrote to memory of 4016	3160	1hn16Rm3.exe	94
PID 3160 wrote to memory of 4016	3160	1hn16Rm3.exe	94
PID 3160 wrote to memory of 4016	3160	1hn16Rm3.exe	94
PID 4220 wrote to memory of 2128	4220	DX9ZM55.exe	95
PID 4220 wrote to memory of 2128	4220	DX9ZM55.exe	95
PID 4220 wrote to memory of 2128	4220	DX9ZM55.exe	95
PID 2128 wrote to memory of 4644	2128	2Sm8061.exe	96
PID 2128 wrote to memory of 4644	2128	2Sm8061.exe	96
PID 2128 wrote to memory of 4644	2128	2Sm8061.exe	96
PID 2128 wrote to memory of 4644	2128	2Sm8061.exe	96
PID 2128 wrote to memory of 4644	2128	2Sm8061.exe	96
PID 2128 wrote to memory of 4644	2128	2Sm8061.exe	96
PID 2128 wrote to memory of 4644	2128	2Sm8061.exe	96
PID 2128 wrote to memory of 4644	2128	2Sm8061.exe	96
PID 2128 wrote to memory of 4644	2128	2Sm8061.exe	96
PID 2128 wrote to memory of 4644	2128	2Sm8061.exe	96
PID 2412 wrote to memory of 3876	2412	e01acda3856cc169ddd84def2f4c60a6487d82da3d3c35333bff09986229bd7b.exe	97
PID 2412 wrote to memory of 3876	2412	e01acda3856cc169ddd84def2f4c60a6487d82da3d3c35333bff09986229bd7b.exe	97
PID 2412 wrote to memory of 3876	2412	e01acda3856cc169ddd84def2f4c60a6487d82da3d3c35333bff09986229bd7b.exe	97

C:\Users\Admin\AppData\Local\Temp\e01acda3856cc169ddd84def2f4c60a6487d82da3d3c35333bff09986229bd7b.exe
"C:\Users\Admin\AppData\Local\Temp\e01acda3856cc169ddd84def2f4c60a6487d82da3d3c35333bff09986229bd7b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DX9ZM55.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DX9ZM55.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4220
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1hn16Rm3.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1hn16Rm3.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3160
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4016
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Sm8061.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Sm8061.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2128
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4644
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3BA66eq.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3BA66eq.exe
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:3876

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=3744 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
1⤵
PID:2124

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3BA66eq.exe

Filesize
30KB

MD5
3ff910311518e3e875c7c229d72afe62

SHA1
f6d0c0e047924f2476bcf572a2be6d3d0795c8d3

SHA256
1a0fd6808a5cd2a20eebac205a0178d3c517d176d1dc4db35edf987f20e3566b

SHA512
c5edd088a4301ee31a74e7d3230ad22d16aab691adf7a11eff1695732f8dceaab2a1598a153dcf88fff1ff256720f440ca90d18472982b3d3954f7f1e47b303d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DX9ZM55.exe

Filesize
522KB

MD5
b34b7345af28f59b2537dab5dcf2c534

SHA1
57d592de60e31b3a4412bb1ce78cb572601372ae

SHA256
5c8320c5403381448ec515cea696100a9bcbcfd93f37efa14fc283182be1fa91

SHA512
bbe2b2d7889ff0a1087f6b476c0f3a836aea304ae1233c29125ece388e34cc30e5c9f120620e710b0f6f5bf1549c0ea51e435124cc23c3445db8277568bbf821

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1hn16Rm3.exe

Filesize
878KB

MD5
8336929ebef057ab6938f8e343384040

SHA1
4ca9e0ccf7774eaa3670de838ac04984c73f4123

SHA256
ab20e8108ec095eff6ff90050b669b1aa089147af22f8a01d35d08416605b9c9

SHA512
c5e7087b787cadf7ce18597ab236efcacdbbd8e9c920e59b1daf4357c72aeed74103f17a3ac5cb4cfacd5d24022acd8f10e1056c0a9aabd5f221b6a4dafa8af1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Sm8061.exe

Filesize
1.1MB

MD5
89e50292a62aac1c99ae07f036736887

SHA1
f4e0c7068fcaaace5ed5d2d84ab1dd765efc8043

SHA256
4d4bf5447a65fb2fae6a4a40ea6aa3e86d750226fee06443d1c3039c3c9a3833

SHA512
adc8e74b1c1aba69b09dd8d775ae2cccfbc36b8f22a3bfc50cac0f183e1e814b59437acfda4885e7dc67b615ce1ae4a7b44f202bafa38caeb24dcb78f22e52b5

Download Submit
memory/3296-26-0x0000000003300000-0x0000000003316000-memory.dmp

Filesize
88KB

Download
memory/3876-25-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3876-29-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4016-14-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4644-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4644-21-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4644-20-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download