mystic | 63b4bf8b0511131d78f6dc8f616924922009b533f349dcc1079d596bb46d0712

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
02-04-2024 10:16

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General

Target

129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47.exe
Size

743KB
MD5

0711e23d2902f70311f03cc4a658362a
SHA1

801d9c530001ccbb756b09976d2e53ee103deb5a
SHA256

129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47
SHA512

4c0c90d93edd2be0d8cf20e060f3751207d306b9f17d0c3986102c1884d1c9fd4e5d4b168c1f74fb3c6a4b7462a162a2c048173c8b78d073728d1747323cb65b
SSDEEP

12288:8Mrly90l3AxD1OdMC1kLGed/X/uuAfmVK9WOMJF5E8G6JItDuTuAVhwR7+yi:BycED1On1G3X/rAfBvC5HmWu1R7+yi

Score

10^/10

mystic redline smokeloader breha backdoor evasion infostealer persistence stealer trojan

Malware Config

Extracted

Family

redline

Botnet

breha

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000700000002333b-24.dat	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
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0007000000023335-33.dat	family_redline
behavioral1/memory/4568-34-0x00000000006C0000-0x00000000006FE000-memory.dmp	family_redline

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Executes dropped EXE 6 IoCs

pid	Process
4876	Ox9BM04.exe
848	gN7fp67.exe
4740	1tc84Sk1.exe
4828	2lQ9351.exe
4260	3pI47ZV.exe
4568	4mJ794pk.exe

Adds Run key to start application 2 TTPs 3 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\\\""	129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47.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\\\""	Ox9BM04.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	gN7fp67.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4740 set thread context of 3672	4740	1tc84Sk1.exe	100
PID 4260 set thread context of 1588	4260	3pI47ZV.exe	106

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 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 3 IoCs

pid	Process
3672	AppLaunch.exe
3672	AppLaunch.exe
3672	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3672	AppLaunch.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 4876	2532	129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47.exe	94
PID 2532 wrote to memory of 4876	2532	129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47.exe	94
PID 2532 wrote to memory of 4876	2532	129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47.exe	94
PID 4876 wrote to memory of 848	4876	Ox9BM04.exe	96
PID 4876 wrote to memory of 848	4876	Ox9BM04.exe	96
PID 4876 wrote to memory of 848	4876	Ox9BM04.exe	96
PID 848 wrote to memory of 4740	848	gN7fp67.exe	97
PID 848 wrote to memory of 4740	848	gN7fp67.exe	97
PID 848 wrote to memory of 4740	848	gN7fp67.exe	97
PID 4740 wrote to memory of 3672	4740	1tc84Sk1.exe	100
PID 4740 wrote to memory of 3672	4740	1tc84Sk1.exe	100
PID 4740 wrote to memory of 3672	4740	1tc84Sk1.exe	100
PID 4740 wrote to memory of 3672	4740	1tc84Sk1.exe	100
PID 4740 wrote to memory of 3672	4740	1tc84Sk1.exe	100
PID 4740 wrote to memory of 3672	4740	1tc84Sk1.exe	100
PID 4740 wrote to memory of 3672	4740	1tc84Sk1.exe	100
PID 4740 wrote to memory of 3672	4740	1tc84Sk1.exe	100
PID 848 wrote to memory of 4828	848	gN7fp67.exe	101
PID 848 wrote to memory of 4828	848	gN7fp67.exe	101
PID 848 wrote to memory of 4828	848	gN7fp67.exe	101
PID 4876 wrote to memory of 4260	4876	Ox9BM04.exe	102
PID 4876 wrote to memory of 4260	4876	Ox9BM04.exe	102
PID 4876 wrote to memory of 4260	4876	Ox9BM04.exe	102
PID 4260 wrote to memory of 3120	4260	3pI47ZV.exe	105
PID 4260 wrote to memory of 3120	4260	3pI47ZV.exe	105
PID 4260 wrote to memory of 3120	4260	3pI47ZV.exe	105
PID 4260 wrote to memory of 1588	4260	3pI47ZV.exe	106
PID 4260 wrote to memory of 1588	4260	3pI47ZV.exe	106
PID 4260 wrote to memory of 1588	4260	3pI47ZV.exe	106
PID 4260 wrote to memory of 1588	4260	3pI47ZV.exe	106
PID 4260 wrote to memory of 1588	4260	3pI47ZV.exe	106
PID 4260 wrote to memory of 1588	4260	3pI47ZV.exe	106
PID 2532 wrote to memory of 4568	2532	129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47.exe	107
PID 2532 wrote to memory of 4568	2532	129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47.exe	107
PID 2532 wrote to memory of 4568	2532	129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47.exe	107

C:\Users\Admin\AppData\Local\Temp\129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47.exe
"C:\Users\Admin\AppData\Local\Temp\129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ox9BM04.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ox9BM04.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\gN7fp67.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\gN7fp67.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:848
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1tc84Sk1.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1tc84Sk1.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:4740
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3672
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2lQ9351.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2lQ9351.exe
      4⤵
      Executes dropped EXE
      PID:4828
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3pI47ZV.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3pI47ZV.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4260
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3120
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      Checks SCSI registry key(s)
      PID:1588
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4mJ794pk.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4mJ794pk.exe
  2⤵
  - Executes dropped EXE
  PID:4568

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=1416 --field-trial-handle=2000,i,9877262470271371196,11878025205711850266,262144 --variations-seed-version /prefetch:8
1⤵
PID:1556

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\4mJ794pk.exe

Filesize
221KB

MD5
8905918bd7e4f4aeda3a804d81f9ee40

SHA1
3c488a81539116085a1c22df26085f798f7202c8

SHA256
0978a728ad05915e0be6a7283d30acca18893ef7a4b0939d316de70415e0efde

SHA512
6530c4209651aa34f4c91fe5b737dc933f02a8ea3710a6f3fa0bff3130720740de4bec308b35cb31255cec6c85e585036af849ace6e6268ef1d9f9a761fe6a56

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ox9BM04.exe

Filesize
569KB

MD5
2906b648aa74d9ee2158ae7a05f3c998

SHA1
d22c0c06d7bba6ad9f09a357a62f6b08c3119cdc

SHA256
6820089fa08404c0012d77bcd6831a6523abbf7f73c2c62f265d2252cc670654

SHA512
2b4fc4b72af1fecc58ee8d6f63e9a247f4c4d381a24a028618d782c4ef27981390802838dbb7e59f789e20788dd3c3d73b2553b92783fd6bd95e987f28c67995

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3pI47ZV.exe

Filesize
253KB

MD5
3812c32bc06f844ed8903c3dd64d8e29

SHA1
994ead20411563f43d192dc3cda353b85c1a2265

SHA256
f0ead75bb018650d3569352e082959cc3d035022fe5e7fa185765f250d27c549

SHA512
7a956ab2f6b0dc98cf1f6877e01af983cb2608605137b5dd348988d4dbc0ef182ac37bf00dbced0a14cca2dc5080b2cdddf0d8535321a7123769e7d0f8577420

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\gN7fp67.exe

Filesize
330KB

MD5
86edb7b4b9fda4ced8cc7a2e96525847

SHA1
0f35688f1ffe04ab1a5da7c92418e22f01ab3f55

SHA256
13b4d46a5627a34c5ad2eac02c2becc7249b69ad6b7031b41eb74bee3cb249fe

SHA512
c90dab3a185911b59f43141f49e667ab00609620a0c514afb25fbe7ba86b434b86899ccf6b463c5c9fac7faa2c686011985b0d4788ab6caf20776f3074a925b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1tc84Sk1.exe

Filesize
233KB

MD5
0872390899641b50277109bbeec508e2

SHA1
3a0db4a7e28c71e4edec14dcd3bd9d1790e373ae

SHA256
101d569b1c74a07fa3bc1652c0eb4123bd81438f0b4437fd1ebcc3ee889b0af5

SHA512
06e54a9a61244b1b91e7928ab384f9d77bab64d5915e7e4ae39cfbf35cd92ae01a0f08fcddb851dc3e6e06d024afbcee68407f43097ada71e26cfb0429b54716

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2lQ9351.exe

Filesize
180KB

MD5
53e28e07671d832a65fbfe3aa38b6678

SHA1
6f9ea0ed8109030511c2c09c848f66bd0d16d1e1

SHA256
5c59db3277aefb761d4b814aaf5f5acd1fd1a0ea154dc565c78b082a3df4566e

SHA512
053f8048230583e741c34f6714c9684ed1312c064cd0c81d99f09e20192b7ddecb53c9c55e4aceac774315315be7e13de98f2cea4e5487f2d9e9dfa2ce3979c9

Download Submit
memory/1588-29-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1588-32-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3672-21-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3672-28-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3672-46-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4568-36-0x0000000007980000-0x0000000007F24000-memory.dmp

Filesize
5.6MB

Download
memory/4568-34-0x00000000006C0000-0x00000000006FE000-memory.dmp

Filesize
248KB

Download
memory/4568-37-0x0000000007480000-0x0000000007512000-memory.dmp

Filesize
584KB

Download
memory/4568-38-0x00000000076D0000-0x00000000076E0000-memory.dmp

Filesize
64KB

Download
memory/4568-39-0x0000000007680000-0x000000000768A000-memory.dmp

Filesize
40KB

Download
memory/4568-40-0x0000000008550000-0x0000000008B68000-memory.dmp

Filesize
6.1MB

Download
memory/4568-41-0x0000000008040000-0x000000000814A000-memory.dmp

Filesize
1.0MB

Download
memory/4568-42-0x0000000007850000-0x0000000007862000-memory.dmp

Filesize
72KB

Download
memory/4568-43-0x00000000078F0000-0x000000000792C000-memory.dmp

Filesize
240KB

Download
memory/4568-44-0x0000000007930000-0x000000000797C000-memory.dmp

Filesize
304KB

Download
memory/4568-35-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4568-47-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4568-48-0x00000000076D0000-0x00000000076E0000-memory.dmp

Filesize
64KB

Download