mystic | 2dae798f2fcb49ad5f375700dcbe54c08e9cc5c25fe542ebd7939aa5f5f023aa

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 18:47

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General

Target

02fdf4c9103ebcca7b26adc9161a504fa42c4a825a66d1c39221891576c0f866.exe
Size

621KB
MD5

13e38b18c06a3fcc3874d012f5a3b536
SHA1

ce561e2299934e318dedbd976168f2f14dc0dfaf
SHA256

02fdf4c9103ebcca7b26adc9161a504fa42c4a825a66d1c39221891576c0f866
SHA512

018f08258dd87e176848a7edbbdeeb17468010a996f3f72b8845ff2604b136e40f89b1af28074e7076e9ba3960eaec40d4d7865dfd2f3c6e300b9ee8da569683
SSDEEP

12288:jMrMy90Ek8gapGMsd3dp9vSEF6v3wGrcc6ZgdlTvVfo2fREdCaGl:HyQ8gaY33j9v76v3wGrr6ZgdlTBFREYL

Score

10^/10

mystic persistence stealer

Malware Config

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral1/memory/4736-20-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral1/memory/4736-21-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral1/memory/4736-24-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral1/memory/4736-22-0x0000000000400000-0x0000000000432000-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
behavioral1/memory/716-8-0x00000000020C0000-0x00000000020E0000-memory.dmp	net_reactor
behavioral1/memory/716-11-0x00000000049A0000-0x00000000049BE000-memory.dmp	net_reactor

Executes dropped EXE 2 IoCs

pid	Process
716	1Xc45wF9.exe
3028	2fZ1643.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\\\""	02fdf4c9103ebcca7b26adc9161a504fa42c4a825a66d1c39221891576c0f866.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3028 set thread context of 4736	3028	2fZ1643.exe	98

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	716	1Xc45wF9.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 716	1836	02fdf4c9103ebcca7b26adc9161a504fa42c4a825a66d1c39221891576c0f866.exe	82
PID 1836 wrote to memory of 716	1836	02fdf4c9103ebcca7b26adc9161a504fa42c4a825a66d1c39221891576c0f866.exe	82
PID 1836 wrote to memory of 716	1836	02fdf4c9103ebcca7b26adc9161a504fa42c4a825a66d1c39221891576c0f866.exe	82
PID 1836 wrote to memory of 3028	1836	02fdf4c9103ebcca7b26adc9161a504fa42c4a825a66d1c39221891576c0f866.exe	94
PID 1836 wrote to memory of 3028	1836	02fdf4c9103ebcca7b26adc9161a504fa42c4a825a66d1c39221891576c0f866.exe	94
PID 1836 wrote to memory of 3028	1836	02fdf4c9103ebcca7b26adc9161a504fa42c4a825a66d1c39221891576c0f866.exe	94
PID 3028 wrote to memory of 4736	3028	2fZ1643.exe	98
PID 3028 wrote to memory of 4736	3028	2fZ1643.exe	98
PID 3028 wrote to memory of 4736	3028	2fZ1643.exe	98
PID 3028 wrote to memory of 4736	3028	2fZ1643.exe	98
PID 3028 wrote to memory of 4736	3028	2fZ1643.exe	98
PID 3028 wrote to memory of 4736	3028	2fZ1643.exe	98
PID 3028 wrote to memory of 4736	3028	2fZ1643.exe	98
PID 3028 wrote to memory of 4736	3028	2fZ1643.exe	98
PID 3028 wrote to memory of 4736	3028	2fZ1643.exe	98
PID 3028 wrote to memory of 4736	3028	2fZ1643.exe	98

C:\Users\Admin\AppData\Local\Temp\02fdf4c9103ebcca7b26adc9161a504fa42c4a825a66d1c39221891576c0f866.exe
"C:\Users\Admin\AppData\Local\Temp\02fdf4c9103ebcca7b26adc9161a504fa42c4a825a66d1c39221891576c0f866.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Xc45wF9.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Xc45wF9.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:716
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2fZ1643.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2fZ1643.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:4736

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\1Xc45wF9.exe

Filesize
195KB

MD5
7f726f7dac36a27880ea545866534dda

SHA1
a644a86f8ffe8497101eb2c8ef69b859fb51119d

SHA256
7d8062c6ae88e04ecadb6f8eb85e1d77caba2cb70fed241f04454fd5d70ced2a

SHA512
8d8216a173bf1b498e5bf6d9292b05cd27b913c3203e296d55b169a1980bc38d8589bdb3e88a685a238183a60b8e86049cf280dd47143445c1ba5b6d287c2775

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2fZ1643.exe

Filesize
1.1MB

MD5
6ef68ec5b2d91cbc9c66fa0553e527ec

SHA1
8d8ab02a5f2433cf12ba62336e4d774f2bbf21d2

SHA256
8ffa8c6bcf0b38b229ac57e8a8eacfad2d27bd2b6ec971af827609bfb919495f

SHA512
1a02ccdf3d1be279169bc25eb2a4452be337389b78050811ea4367ca624d5d169c7c7e157a73fe3be13378412e8d94606f41c157b5892cc76c4344ee85d204a6

Download Submit
memory/716-12-0x0000000074AC0000-0x0000000075270000-memory.dmp

Filesize
7.7MB

Download
memory/716-9-0x0000000074AC0000-0x0000000075270000-memory.dmp

Filesize
7.7MB

Download
memory/716-10-0x0000000004A00000-0x0000000004FA4000-memory.dmp

Filesize
5.6MB

Download
memory/716-11-0x00000000049A0000-0x00000000049BE000-memory.dmp

Filesize
120KB

Download
memory/716-8-0x00000000020C0000-0x00000000020E0000-memory.dmp

Filesize
128KB

Download
memory/716-13-0x00000000050B0000-0x0000000005142000-memory.dmp

Filesize
584KB

Download
memory/716-14-0x0000000074AC0000-0x0000000075270000-memory.dmp

Filesize
7.7MB

Download
memory/716-16-0x0000000074AC0000-0x0000000075270000-memory.dmp

Filesize
7.7MB

Download
memory/716-7-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/4736-20-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4736-21-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4736-24-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4736-22-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads