mystic | c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788

Analysis

max time kernel
299s
max time network
302s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
16-04-2024 14:02

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General

Target

c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788.exe
Size

1.2MB
MD5

7d57b9e5ff073b06d62cea316f77e6c8
SHA1

4c278f1c0ca982da691ad5cf0e0bdf35df43398e
SHA256

c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788
SHA512

5d90ec0db399769d744fccba0120bc63d6b7e4e852e0b02df27def04d2e7a9a307a20d7c667de1daab6077c5c8c826f559508a60c11e5e8990da51c3f9d5e7c8
SSDEEP

24576:xyjZtJ0RMymoUv1LUyJXL3YXYDjduCDZZMwPs3:kjZz0ePoUvKoLSipDZZMwU

Score

10^/10

mystic redline taiga infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

taiga

5.42.92.51:19057

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral3/memory/3308-67-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral3/memory/3308-72-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral3/memory/3308-73-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral3/memory/3308-75-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family

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
behavioral3/memory/4832-28-0x0000000000400000-0x000000000043C000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

pid	Process
4392	wJ0fd45.exe
3096	bL8eQ94.exe
4812	eJ0Un33.exe
4468	2xV7880.exe
804	3gR32Ml.exe
2896	4nN703ND.exe

Adds Run key to start application 2 TTPs 4 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\\\""	c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788.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\\\""	wJ0fd45.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\\\""	bL8eQ94.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	eJ0Un33.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4468 set thread context of 4832	4468	2xV7880.exe	77
PID 804 set thread context of 3308	804	3gR32Ml.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1336	3308	WerFault.exe	80

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 4392	1592	c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788.exe	71
PID 1592 wrote to memory of 4392	1592	c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788.exe	71
PID 1592 wrote to memory of 4392	1592	c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788.exe	71
PID 4392 wrote to memory of 3096	4392	wJ0fd45.exe	72
PID 4392 wrote to memory of 3096	4392	wJ0fd45.exe	72
PID 4392 wrote to memory of 3096	4392	wJ0fd45.exe	72
PID 3096 wrote to memory of 4812	3096	bL8eQ94.exe	73
PID 3096 wrote to memory of 4812	3096	bL8eQ94.exe	73
PID 3096 wrote to memory of 4812	3096	bL8eQ94.exe	73
PID 4812 wrote to memory of 4468	4812	eJ0Un33.exe	74
PID 4812 wrote to memory of 4468	4812	eJ0Un33.exe	74
PID 4812 wrote to memory of 4468	4812	eJ0Un33.exe	74
PID 4468 wrote to memory of 1140	4468	2xV7880.exe	76
PID 4468 wrote to memory of 1140	4468	2xV7880.exe	76
PID 4468 wrote to memory of 1140	4468	2xV7880.exe	76
PID 4468 wrote to memory of 4832	4468	2xV7880.exe	77
PID 4468 wrote to memory of 4832	4468	2xV7880.exe	77
PID 4468 wrote to memory of 4832	4468	2xV7880.exe	77
PID 4468 wrote to memory of 4832	4468	2xV7880.exe	77
PID 4468 wrote to memory of 4832	4468	2xV7880.exe	77
PID 4468 wrote to memory of 4832	4468	2xV7880.exe	77
PID 4468 wrote to memory of 4832	4468	2xV7880.exe	77
PID 4468 wrote to memory of 4832	4468	2xV7880.exe	77
PID 4812 wrote to memory of 804	4812	eJ0Un33.exe	78
PID 4812 wrote to memory of 804	4812	eJ0Un33.exe	78
PID 4812 wrote to memory of 804	4812	eJ0Un33.exe	78
PID 804 wrote to memory of 3308	804	3gR32Ml.exe	80
PID 804 wrote to memory of 3308	804	3gR32Ml.exe	80
PID 804 wrote to memory of 3308	804	3gR32Ml.exe	80
PID 804 wrote to memory of 3308	804	3gR32Ml.exe	80
PID 804 wrote to memory of 3308	804	3gR32Ml.exe	80
PID 804 wrote to memory of 3308	804	3gR32Ml.exe	80
PID 804 wrote to memory of 3308	804	3gR32Ml.exe	80
PID 804 wrote to memory of 3308	804	3gR32Ml.exe	80
PID 804 wrote to memory of 3308	804	3gR32Ml.exe	80
PID 804 wrote to memory of 3308	804	3gR32Ml.exe	80
PID 3096 wrote to memory of 2896	3096	bL8eQ94.exe	81
PID 3096 wrote to memory of 2896	3096	bL8eQ94.exe	81
PID 3096 wrote to memory of 2896	3096	bL8eQ94.exe	81

C:\Users\Admin\AppData\Local\Temp\c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788.exe
"C:\Users\Admin\AppData\Local\Temp\c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wJ0fd45.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wJ0fd45.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4392
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bL8eQ94.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bL8eQ94.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3096
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eJ0Un33.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eJ0Un33.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:4812
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2xV7880.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2xV7880.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:4468
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        6⤵
        
        PID:1140
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        6⤵
        
        PID:4832
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\3gR32Ml.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\3gR32Ml.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:804
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        6⤵
        
        PID:3308
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3308 -s 568
        7⤵
        Program crash
        
        PID:1336
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\4nN703ND.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\4nN703ND.exe
      4⤵
      Executes dropped EXE
      PID:2896

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

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\wJ0fd45.exe

Filesize
1020KB

MD5
2c277e93930fdf344061b9de61da43fd

SHA1
19deab510aff019844306bd8e8382764cdb31044

SHA256
8e5bdce1b78f27ce3332001426b1d1f1e332f122fe11506ed12e7c1994ea6143

SHA512
db960983d0b8c99b2434147e27cb433e1206a8cb4aca871f804d1eee615f569141fcbb6bad927fac53f99429c0fe5716a53aefde398312a404c604d86e77233a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bL8eQ94.exe

Filesize
894KB

MD5
b2e12a91c45628da38bda44827b28c85

SHA1
e1c0b727d1c4f30bd7082fbd435625375e1e4726

SHA256
99c587206075544ce20344ba152632324dc3474f183d572e4f3915021ff92ae0

SHA512
771727e0820e143a579d3b4b0d34bb02b10818a6017a7a9cb9b52c9f597817d068a4a3e841740091d9fba0c21894a1c5e99ba9c6f53ee9098bd6a4a7ad75a888

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\4nN703ND.exe

Filesize
724KB

MD5
0e634b03cd7c3c28376c6827ba622bed

SHA1
086b92b865a929f5e46e8bcb63af56ba5fdae551

SHA256
d0b66e11cc4db7ddb80bdaec5c0147f9c77f418904843fb6bf26da594be2430e

SHA512
9c28317a13f0edefcc586a946c464b78b21582cc155a0bb08097b8b8515a88d32c222279970440028167cea8df4fa982a90e6962372727afbe0e6ace360c93b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eJ0Un33.exe

Filesize
431KB

MD5
c1569c5d9cd8d2de907c09f8e295a575

SHA1
15320dccccb378a900b0edb20b0305138a060e1d

SHA256
ba299e3de116ce40ca647721f90927f02497e5d93a2617249dbaff6f8d30317b

SHA512
07631ec9e2ffcacd4fd8a462df285e85ffe0fff79f78727cafdd663c3fc09528535887c095b3b178ef4925b845e7ee94cec20d33952d1ac185c6999f64772c92

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2xV7880.exe

Filesize
415KB

MD5
394523fe5c26046b08d7bb19138a9106

SHA1
fdba9cd03ae4efc39be033654b7042b471219f54

SHA256
a89756fa3413156c01245e1e4b37658ea988e4836685d0d2b914351e89a68679

SHA512
e70623387ca8141ee22d394df30bff370a984988a2a69270624dfee23f2d2f86f69bc4d1b0802597f8cc1ca1654dd206c394248d413c0b635947c19cb1953ac2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\3gR32Ml.exe

Filesize
378KB

MD5
5399d9e4522f87f272dc87f13d62a23c

SHA1
8fb9f17db86b086948cb2f17f00760fb5d29066e

SHA256
3ca8e335e9aa746e8d61d35e117bd4d05b8b6d68fc0da50c7cfeacf6cd9f69b2

SHA512
ac62cc79388fd01b5149c90a22b68b05c5b71fb07fdf91813b0bd18bb4688e513cc3dc5babc2779ded7e8300ca17bd1fef7c86127d6f6d768d0dbe49c661f882

Download Submit
memory/3308-75-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3308-73-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3308-72-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3308-67-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4832-39-0x000000000C610000-0x000000000CC16000-memory.dmp

Filesize
6.0MB

Download
memory/4832-40-0x000000000B8C0000-0x000000000B9CA000-memory.dmp

Filesize
1.0MB

Download
memory/4832-41-0x000000000B7F0000-0x000000000B802000-memory.dmp

Filesize
72KB

Download
memory/4832-42-0x000000000B850000-0x000000000B88E000-memory.dmp

Filesize
248KB

Download
memory/4832-43-0x000000000B9D0000-0x000000000BA1B000-memory.dmp

Filesize
300KB

Download
memory/4832-54-0x00000000731F0000-0x00000000738DE000-memory.dmp

Filesize
6.9MB

Download
memory/4832-38-0x0000000009120000-0x000000000912A000-memory.dmp

Filesize
40KB

Download
memory/4832-37-0x000000000B600000-0x000000000B692000-memory.dmp

Filesize
584KB

Download
memory/4832-36-0x000000000BB00000-0x000000000BFFE000-memory.dmp

Filesize
5.0MB

Download
memory/4832-35-0x00000000731F0000-0x00000000738DE000-memory.dmp

Filesize
6.9MB

Download
memory/4832-28-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads