mystic | 9f4cee8892544b3b9090f5a7288e0a353e34bada2f75253f19bfebaefa1f0f53

Analysis

max time kernel
147s
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 09:54

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General

Target

777259b2de1e73f2f79c2edbd0a7a6b94de34bca7c3376f8e9aae8a4e44be025.exe
Size

758KB
MD5

58a76a83d31f69b1e0993a815a2517e0
SHA1

6ceac1337bc5e2da34b589f7576afb4a51418b68
SHA256

777259b2de1e73f2f79c2edbd0a7a6b94de34bca7c3376f8e9aae8a4e44be025
SHA512

a8971952932e832df09dc342f815a4fba0b70c2cfc749f75da4f637aec932ca65ea2d208ef6f21ffc27110ecd6208bb5249404f79c7b02ddd7a3f9531a347c22
SSDEEP

12288:fMrcy90nMThj98Ro0z8P0OUqXZhvGzDVhhtiGCUg5P8+zgdHQOPdJiYa7:byn5ORSLZJ8pdlCLkHZdJxU

Score

10^/10

mystic redline kinza infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kinza

77.91.124.86:19084

Signatures

Detect Mystic stealer payload 4 IoCs

Processes:

resource	yara_rule
behavioral9/memory/2032-14-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral9/memory/2032-15-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral9/memory/2032-18-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral9/memory/2032-16-0x0000000000400000-0x0000000000434000-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 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2No696lW.exe	family_redline
behavioral9/memory/3348-22-0x0000000000DA0000-0x0000000000DDE000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

Processes:

va5hN1eu.exe1bD86lT3.exe2No696lW.exe

pid process

2896 va5hN1eu.exe
772 1bD86lT3.exe
3348 2No696lW.exe

pid	process
2896	va5hN1eu.exe
772	1bD86lT3.exe
3348	2No696lW.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

777259b2de1e73f2f79c2edbd0a7a6b94de34bca7c3376f8e9aae8a4e44be025.exeva5hN1eu.exe

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\\\""	777259b2de1e73f2f79c2edbd0a7a6b94de34bca7c3376f8e9aae8a4e44be025.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\\\""	va5hN1eu.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1bD86lT3.exe

description pid process target process

PID 772 set thread context of 2032 772 1bD86lT3.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4804 2032 WerFault.exe AppLaunch.exe

description	pid	process	target process
PID 772 set thread context of 2032	772	1bD86lT3.exe	AppLaunch.exe

pid	pid_target	process	target process
4804	2032	WerFault.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

777259b2de1e73f2f79c2edbd0a7a6b94de34bca7c3376f8e9aae8a4e44be025.exeva5hN1eu.exe1bD86lT3.exe

description	pid	process	target process
PID 2532 wrote to memory of 2896	2532	777259b2de1e73f2f79c2edbd0a7a6b94de34bca7c3376f8e9aae8a4e44be025.exe	va5hN1eu.exe
PID 2532 wrote to memory of 2896	2532	777259b2de1e73f2f79c2edbd0a7a6b94de34bca7c3376f8e9aae8a4e44be025.exe	va5hN1eu.exe
PID 2532 wrote to memory of 2896	2532	777259b2de1e73f2f79c2edbd0a7a6b94de34bca7c3376f8e9aae8a4e44be025.exe	va5hN1eu.exe
PID 2896 wrote to memory of 772	2896	va5hN1eu.exe	1bD86lT3.exe
PID 2896 wrote to memory of 772	2896	va5hN1eu.exe	1bD86lT3.exe
PID 2896 wrote to memory of 772	2896	va5hN1eu.exe	1bD86lT3.exe
PID 772 wrote to memory of 2032	772	1bD86lT3.exe	AppLaunch.exe
PID 772 wrote to memory of 2032	772	1bD86lT3.exe	AppLaunch.exe
PID 772 wrote to memory of 2032	772	1bD86lT3.exe	AppLaunch.exe
PID 772 wrote to memory of 2032	772	1bD86lT3.exe	AppLaunch.exe
PID 772 wrote to memory of 2032	772	1bD86lT3.exe	AppLaunch.exe
PID 772 wrote to memory of 2032	772	1bD86lT3.exe	AppLaunch.exe
PID 772 wrote to memory of 2032	772	1bD86lT3.exe	AppLaunch.exe
PID 772 wrote to memory of 2032	772	1bD86lT3.exe	AppLaunch.exe
PID 772 wrote to memory of 2032	772	1bD86lT3.exe	AppLaunch.exe
PID 772 wrote to memory of 2032	772	1bD86lT3.exe	AppLaunch.exe
PID 2896 wrote to memory of 3348	2896	va5hN1eu.exe	2No696lW.exe
PID 2896 wrote to memory of 3348	2896	va5hN1eu.exe	2No696lW.exe
PID 2896 wrote to memory of 3348	2896	va5hN1eu.exe	2No696lW.exe

C:\Users\Admin\AppData\Local\Temp\777259b2de1e73f2f79c2edbd0a7a6b94de34bca7c3376f8e9aae8a4e44be025.exe
"C:\Users\Admin\AppData\Local\Temp\777259b2de1e73f2f79c2edbd0a7a6b94de34bca7c3376f8e9aae8a4e44be025.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2532

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\va5hN1eu.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\va5hN1eu.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2896

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1bD86lT3.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1bD86lT3.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:772

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
PID:2032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 540
5⤵
- Program crash
PID:4804

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2No696lW.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2No696lW.exe
3⤵
- Executes dropped EXE
PID:3348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2032 -ip 2032
1⤵
PID:1968

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\va5hN1eu.exe
Filesize
562KB

MD5
e79bd5cd8381f56d32b28cdab48d2991

SHA1
f2680006c968b8e9eaed7bf60cf9b821ad1a1398

SHA256
ff4a180f04ee21e4a151def1557b612e45885eb048b6a1cdd718fba705ac7c1c

SHA512
47dd0a446629ffa65238649ff87d64d0ea9377594afbe000bd38bb7f5f70d636b2315538d964d2e27b3c22e957dfafdfad51fdb2bb6b47b27fda8f49c843f47f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1bD86lT3.exe
Filesize
1.1MB

MD5
7c92fb26f9d2384d40642d36e2976a34

SHA1
ca182f885717d66e2e4335f9d46194bac13623bb

SHA256
6908cb34302f507d0c713bb2fa6094e60b8c2e89e0cc451dc76c27312ae75560

SHA512
490e5c728f46fc20dd2c575c8fbbfb033c351ee4c16f3fc08aafc11677431bcfc433e5a1b20216a67c3cf5d4edee53f9488bc0eca018bd5e2365cb6e4c51422f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2No696lW.exe
Filesize
222KB

MD5
8c03a01326943a092d0457b1c8ea2653

SHA1
004ee5ff6e6822313ce2e5cc149e1649f86bf724

SHA256
2d0ec17438e9faaac3713edc628143cbddf4e21fac33696800c08eb8227e3b1c

SHA512
ab17d27e8bb9c10156f5650339a31e827b7e0bc4a56e067e822ad2b1a97abbefb795acaae72b29177ef712f20b2b12cd9f3f668952a841323a183e0cd151b748

Download Submit
memory/2032-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2032-15-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2032-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2032-16-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3348-23-0x0000000007FF0000-0x0000000008594000-memory.dmp

Filesize
5.6MB

Download
memory/3348-22-0x0000000000DA0000-0x0000000000DDE000-memory.dmp

Filesize
248KB

Download
memory/3348-24-0x0000000007B20000-0x0000000007BB2000-memory.dmp

Filesize
584KB

Download
memory/3348-25-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/3348-26-0x0000000008BC0000-0x00000000091D8000-memory.dmp

Filesize
6.1MB

Download
memory/3348-27-0x0000000007EB0000-0x0000000007FBA000-memory.dmp

Filesize
1.0MB

Download
memory/3348-28-0x0000000007D60000-0x0000000007D72000-memory.dmp

Filesize
72KB

Download
memory/3348-29-0x0000000007DE0000-0x0000000007E1C000-memory.dmp

Filesize
240KB

Download
memory/3348-30-0x0000000007E20000-0x0000000007E6C000-memory.dmp

Filesize
304KB

Download