mystic | 5e831beab1114ac9acd665a6dc93e4478c72f9985bcae804c34864e3b6ee4705

Analysis

max time kernel
146s
max time network
150s
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 17:09

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General

Target

6ee2a56c58d7b91b6debe8aed2285fcef3c3e50613fe3c8b6f7d5a94968b59f5.exe
Size

991KB
MD5

6ef947676fa334d38379a2fda493b8a5
SHA1

4ee6dcca6bbf609046e66bc82040246ae7c0250f
SHA256

6ee2a56c58d7b91b6debe8aed2285fcef3c3e50613fe3c8b6f7d5a94968b59f5
SHA512

2ec1e0e21e461c621a933476897e0bba7d635e6509f32bf0afd614fd37b0dfe76c2595b165fcb29954358a3a25b9ddb151e0d8e4e28ec8c2f638d55ce594e185
SSDEEP

24576:SyMWu2HJLjK0CSP55myltVEu0v/ciz7dh:5E2HljCi55fFEu0v0k

Score

10^/10

mystic redline smokeloader frant backdoor evasion infostealer persistence stealer trojan

Malware Config

Extracted

Family

redline

Botnet

frant

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 3 IoCs

resource	yara_rule
behavioral9/memory/2984-56-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral9/memory/2984-59-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral9/memory/2984-57-0x0000000000400000-0x0000000000428000-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

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	1bC97nU3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	1bC97nU3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	1bC97nU3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	1bC97nU3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	1bC97nU3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	1bC97nU3.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 1 IoCs

resource	yara_rule
behavioral9/memory/4328-67-0x0000000000400000-0x000000000043E000-memory.dmp	family_redline

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

Executes dropped EXE 6 IoCs

pid	Process
4660	oo8Nr58.exe
2728	Yl4TJ91.exe
5040	1bC97nU3.exe
2500	2FU6609.exe
3508	3Ps69La.exe
2688	4yC662Hw.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	1bC97nU3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	1bC97nU3.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\\\""	6ee2a56c58d7b91b6debe8aed2285fcef3c3e50613fe3c8b6f7d5a94968b59f5.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\\\""	oo8Nr58.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\\\""	Yl4TJ91.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2500 set thread context of 2984	2500	2FU6609.exe	97
PID 3508 set thread context of 4064	3508	3Ps69La.exe	104
PID 2688 set thread context of 4328	2688	4yC662Hw.exe	109

Program crash 3 IoCs

pid	pid_target	Process	procid_target
3848	2500	WerFault.exe	95
540	3508	WerFault.exe	101
692	2688	WerFault.exe	107

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5040	1bC97nU3.exe
5040	1bC97nU3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5040	1bC97nU3.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 4660	4376	6ee2a56c58d7b91b6debe8aed2285fcef3c3e50613fe3c8b6f7d5a94968b59f5.exe	83
PID 4376 wrote to memory of 4660	4376	6ee2a56c58d7b91b6debe8aed2285fcef3c3e50613fe3c8b6f7d5a94968b59f5.exe	83
PID 4376 wrote to memory of 4660	4376	6ee2a56c58d7b91b6debe8aed2285fcef3c3e50613fe3c8b6f7d5a94968b59f5.exe	83
PID 4660 wrote to memory of 2728	4660	oo8Nr58.exe	84
PID 4660 wrote to memory of 2728	4660	oo8Nr58.exe	84
PID 4660 wrote to memory of 2728	4660	oo8Nr58.exe	84
PID 2728 wrote to memory of 5040	2728	Yl4TJ91.exe	85
PID 2728 wrote to memory of 5040	2728	Yl4TJ91.exe	85
PID 2728 wrote to memory of 5040	2728	Yl4TJ91.exe	85
PID 2728 wrote to memory of 2500	2728	Yl4TJ91.exe	95
PID 2728 wrote to memory of 2500	2728	Yl4TJ91.exe	95
PID 2728 wrote to memory of 2500	2728	Yl4TJ91.exe	95
PID 2500 wrote to memory of 2984	2500	2FU6609.exe	97
PID 2500 wrote to memory of 2984	2500	2FU6609.exe	97
PID 2500 wrote to memory of 2984	2500	2FU6609.exe	97
PID 2500 wrote to memory of 2984	2500	2FU6609.exe	97
PID 2500 wrote to memory of 2984	2500	2FU6609.exe	97
PID 2500 wrote to memory of 2984	2500	2FU6609.exe	97
PID 2500 wrote to memory of 2984	2500	2FU6609.exe	97
PID 2500 wrote to memory of 2984	2500	2FU6609.exe	97
PID 2500 wrote to memory of 2984	2500	2FU6609.exe	97
PID 2500 wrote to memory of 2984	2500	2FU6609.exe	97
PID 4660 wrote to memory of 3508	4660	oo8Nr58.exe	101
PID 4660 wrote to memory of 3508	4660	oo8Nr58.exe	101
PID 4660 wrote to memory of 3508	4660	oo8Nr58.exe	101
PID 3508 wrote to memory of 1884	3508	3Ps69La.exe	103
PID 3508 wrote to memory of 1884	3508	3Ps69La.exe	103
PID 3508 wrote to memory of 1884	3508	3Ps69La.exe	103
PID 3508 wrote to memory of 4064	3508	3Ps69La.exe	104
PID 3508 wrote to memory of 4064	3508	3Ps69La.exe	104
PID 3508 wrote to memory of 4064	3508	3Ps69La.exe	104
PID 3508 wrote to memory of 4064	3508	3Ps69La.exe	104
PID 3508 wrote to memory of 4064	3508	3Ps69La.exe	104
PID 3508 wrote to memory of 4064	3508	3Ps69La.exe	104
PID 4376 wrote to memory of 2688	4376	6ee2a56c58d7b91b6debe8aed2285fcef3c3e50613fe3c8b6f7d5a94968b59f5.exe	107
PID 4376 wrote to memory of 2688	4376	6ee2a56c58d7b91b6debe8aed2285fcef3c3e50613fe3c8b6f7d5a94968b59f5.exe	107
PID 4376 wrote to memory of 2688	4376	6ee2a56c58d7b91b6debe8aed2285fcef3c3e50613fe3c8b6f7d5a94968b59f5.exe	107
PID 2688 wrote to memory of 4328	2688	4yC662Hw.exe	109
PID 2688 wrote to memory of 4328	2688	4yC662Hw.exe	109
PID 2688 wrote to memory of 4328	2688	4yC662Hw.exe	109
PID 2688 wrote to memory of 4328	2688	4yC662Hw.exe	109
PID 2688 wrote to memory of 4328	2688	4yC662Hw.exe	109
PID 2688 wrote to memory of 4328	2688	4yC662Hw.exe	109
PID 2688 wrote to memory of 4328	2688	4yC662Hw.exe	109
PID 2688 wrote to memory of 4328	2688	4yC662Hw.exe	109

C:\Users\Admin\AppData\Local\Temp\6ee2a56c58d7b91b6debe8aed2285fcef3c3e50613fe3c8b6f7d5a94968b59f5.exe
"C:\Users\Admin\AppData\Local\Temp\6ee2a56c58d7b91b6debe8aed2285fcef3c3e50613fe3c8b6f7d5a94968b59f5.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oo8Nr58.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oo8Nr58.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4660
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Yl4TJ91.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Yl4TJ91.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1bC97nU3.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1bC97nU3.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5040
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2FU6609.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2FU6609.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:2500
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        
        PID:2984
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 596
        5⤵
        Program crash
        
        PID:3848
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Ps69La.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Ps69La.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3508
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:1884
  - - 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:4064
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 612
      4⤵
      Program crash
      PID:540
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4yC662Hw.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4yC662Hw.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:4328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 156
    3⤵
    - Program crash
    PID:692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2500 -ip 2500
1⤵
PID:4340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3508 -ip 3508
1⤵
PID:2932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2688 -ip 2688
1⤵
PID:4832

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4yC662Hw.exe

Filesize
459KB

MD5
a38ce3e2dc246d8e40f95186737c588f

SHA1
87eb3f865fdd506f345d1d586f4d8c4d490f669a

SHA256
c42efcd5f53c75f36a6ed5c8f8be82359b848285ffb0fc5acc12fbd625c7028e

SHA512
9b6dec7f0eaae988f522ec927e0082dd03ead7605387c52d6184ee899154c85e9f180622b7ca32377a9e9a0b1972e24131e0a47e2b27797c55736b25261d27c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oo8Nr58.exe

Filesize
696KB

MD5
bc157c64b1b6abbfd383165d6400ed08

SHA1
927f749974432f95ca3dc8917c1bf42d2e421665

SHA256
95c0c498aee014e9ce0fcbb4882d54d97b0dd80e257f09f19467e7137d6d6e88

SHA512
730af361f1dc2f9c027200376b872dd36242a6ab47c59f52a8374c65efb68b37963d109cfb07b0cf49849e251d85a0f61c72244344517fa273fdae9e2e98dc55

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Ps69La.exe

Filesize
268KB

MD5
f09b788bfb242f8edcb4b4ab2bd0275a

SHA1
71b2273479460cbda9d08073d0b116935d2c6813

SHA256
f291d8694f3198b824474d57a18792218a5d622f2f59370efe6679563db87521

SHA512
709bdc1a303159b27f7e7fa793d1c78f3d6223b5a3ba2c03cbea36eafc1bd0e2edc1bd19e61f7ed5ca53a1ab5018d7c171fc9c3c4ff67b02b4087a07cfd5dda6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Yl4TJ91.exe

Filesize
452KB

MD5
926a1d98af5f587a0c943222fffd5d0d

SHA1
e399f38a5a536d4dd049ae1d8b1a44152c24881c

SHA256
5ebcef1ca0954bb66e095bba171335808084c6a847d5bf152f055d2e3b9c76e1

SHA512
f5bf07ba36acf490669ca5ed76a293ce61b6d8f22dc70c39e6c69fe33d33e610f82d14a2e0a3d83b9152a72d8272dd71dd48e2afeafda4935d81f67ef37193a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1bC97nU3.exe

Filesize
192KB

MD5
8904f85abd522c7d0cb5789d9583ccff

SHA1
5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

SHA256
7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

SHA512
04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2FU6609.exe

Filesize
378KB

MD5
f0831f173733de08511f3a0739f278a6

SHA1
06dc809d653c5d2c97386084ae13b50a73eb5b60

SHA256
8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

SHA512
19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

Download Submit
memory/2984-56-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2984-59-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2984-57-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4064-63-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4328-73-0x00000000078A0000-0x00000000078DC000-memory.dmp

Filesize
240KB

Download
memory/4328-67-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4328-68-0x00000000074D0000-0x0000000007562000-memory.dmp

Filesize
584KB

Download
memory/4328-69-0x0000000001000000-0x000000000100A000-memory.dmp

Filesize
40KB

Download
memory/4328-70-0x00000000085B0000-0x0000000008BC8000-memory.dmp

Filesize
6.1MB

Download
memory/4328-71-0x0000000007F90000-0x000000000809A000-memory.dmp

Filesize
1.0MB

Download
memory/4328-72-0x0000000007840000-0x0000000007852000-memory.dmp

Filesize
72KB

Download
memory/4328-74-0x00000000078E0000-0x000000000792C000-memory.dmp

Filesize
304KB

Download
memory/5040-45-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-25-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-24-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-27-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-29-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-31-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-35-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-38-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-51-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-40-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-41-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-43-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-47-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-49-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-33-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/5040-23-0x00000000049A0000-0x00000000049BC000-memory.dmp

Filesize
112KB

Download
memory/5040-22-0x0000000004B40000-0x00000000050E4000-memory.dmp

Filesize
5.6MB

Download
memory/5040-21-0x0000000002380000-0x000000000239E000-memory.dmp

Filesize
120KB

Download