mystic | 02cacf524527064e447c85bef406a6e5125d06b69bd35e10a813bf4a5659b985

Analysis

max time kernel
129s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 05:33

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General

Target

620f9ee1b442855f9904f5108cf7185b16d0acbacad9aaa076f02e0ffd4f588f.exe
Size

421KB
MD5

f43e85202791e82c59b8e07f76dabbfa
SHA1

cf80bc8a656390e4e9ed061fd84a155f0665237f
SHA256

620f9ee1b442855f9904f5108cf7185b16d0acbacad9aaa076f02e0ffd4f588f
SHA512

5c8dd89131b27eb110b9ec35d7e0686c7cffed62d4257d0d506d93154eeacc0f8e14733ba4ebc4a5616e7c1fff02cbdc52eaa6f1e662ec857d94532084b360ff
SSDEEP

12288:YMrhy90F+08qFUvu2hyW1eKFnTA9BKXjEARJfz7IU:pyX08qF32lIKFLEAl

Score

10^/10

mystic persistence stealer

Malware Config

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral12/memory/3648-22-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral12/memory/3648-21-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral12/memory/3648-24-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral12/memory/3648-20-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family

Mystic
Mystic is an infostealer written in C++.
stealer mystic

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral12/memory/4464-8-0x00000000025B0000-0x00000000025D0000-memory.dmp	net_reactor
behavioral12/memory/4464-11-0x0000000005090000-0x00000000050AE000-memory.dmp	net_reactor

Executes dropped EXE 2 IoCs

pid	Process
4464	1Ic30sc1.exe
2880	2Zy3291.exe

Adds Run key to start application 2 TTPs 1 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\\\""	620f9ee1b442855f9904f5108cf7185b16d0acbacad9aaa076f02e0ffd4f588f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2880 set thread context of 3648	2880	2Zy3291.exe	99

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4284	2880	WerFault.exe	96

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4464	1Ic30sc1.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 4464	956	620f9ee1b442855f9904f5108cf7185b16d0acbacad9aaa076f02e0ffd4f588f.exe	85
PID 956 wrote to memory of 4464	956	620f9ee1b442855f9904f5108cf7185b16d0acbacad9aaa076f02e0ffd4f588f.exe	85
PID 956 wrote to memory of 4464	956	620f9ee1b442855f9904f5108cf7185b16d0acbacad9aaa076f02e0ffd4f588f.exe	85
PID 956 wrote to memory of 2880	956	620f9ee1b442855f9904f5108cf7185b16d0acbacad9aaa076f02e0ffd4f588f.exe	96
PID 956 wrote to memory of 2880	956	620f9ee1b442855f9904f5108cf7185b16d0acbacad9aaa076f02e0ffd4f588f.exe	96
PID 956 wrote to memory of 2880	956	620f9ee1b442855f9904f5108cf7185b16d0acbacad9aaa076f02e0ffd4f588f.exe	96
PID 2880 wrote to memory of 3648	2880	2Zy3291.exe	99
PID 2880 wrote to memory of 3648	2880	2Zy3291.exe	99
PID 2880 wrote to memory of 3648	2880	2Zy3291.exe	99
PID 2880 wrote to memory of 3648	2880	2Zy3291.exe	99
PID 2880 wrote to memory of 3648	2880	2Zy3291.exe	99
PID 2880 wrote to memory of 3648	2880	2Zy3291.exe	99
PID 2880 wrote to memory of 3648	2880	2Zy3291.exe	99
PID 2880 wrote to memory of 3648	2880	2Zy3291.exe	99
PID 2880 wrote to memory of 3648	2880	2Zy3291.exe	99
PID 2880 wrote to memory of 3648	2880	2Zy3291.exe	99

C:\Users\Admin\AppData\Local\Temp\620f9ee1b442855f9904f5108cf7185b16d0acbacad9aaa076f02e0ffd4f588f.exe
"C:\Users\Admin\AppData\Local\Temp\620f9ee1b442855f9904f5108cf7185b16d0acbacad9aaa076f02e0ffd4f588f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:956
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Ic30sc1.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Ic30sc1.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4464
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2Zy3291.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2Zy3291.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:3648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 152
    3⤵
    - Program crash
    PID:4284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2880 -ip 2880
1⤵
PID:2832

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\1Ic30sc1.exe

Filesize
188KB

MD5
425e2a994509280a8c1e2812dfaad929

SHA1
4d5eff2fb3835b761e2516a873b537cbaacea1fe

SHA256
6f40f29ad16466785dfbe836dd375400949ff894e8aa03e2805ab1c1ac2d6f5a

SHA512
080a41e7926122e14b38901f2e1eb8100a08c5068a9a74099f060c5e601f056a66e607b4e006820276834bb01d913a3894de98e6d9ba62ce843df14058483aa0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2Zy3291.exe

Filesize
295KB

MD5
17cec2c047e194d91100a03fa021f5b5

SHA1
167b6ff24e18b97d4e3ed2f4c1e9e6caff3641c2

SHA256
74b604c56af61be45cb640201d9395ff20182a6d3ef69a6a0bfb43b314c2dff7

SHA512
c7b6e3e8ed08bf584df411cb453a3a232a830d8f5097aee6bcd0b7bf4adc49cdcdd0f3fbb0b66c193bb42bcc124f7a1c60dedb06710444ed1d98a902353c6eae

Download Submit
memory/3648-20-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3648-24-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3648-21-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3648-22-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4464-12-0x00000000740C0000-0x0000000074870000-memory.dmp

Filesize
7.7MB

Download
memory/4464-13-0x00000000051B0000-0x0000000005242000-memory.dmp

Filesize
584KB

Download
memory/4464-14-0x00000000740C0000-0x0000000074870000-memory.dmp

Filesize
7.7MB

Download
memory/4464-16-0x00000000740C0000-0x0000000074870000-memory.dmp

Filesize
7.7MB

Download
memory/4464-11-0x0000000005090000-0x00000000050AE000-memory.dmp

Filesize
120KB

Download
memory/4464-9-0x00000000740C0000-0x0000000074870000-memory.dmp

Filesize
7.7MB

Download
memory/4464-10-0x0000000004AD0000-0x0000000005074000-memory.dmp

Filesize
5.6MB

Download
memory/4464-8-0x00000000025B0000-0x00000000025D0000-memory.dmp

Filesize
128KB

Download
memory/4464-7-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads