mystic | be3323c3b2bd6ba736703199d528de6bf1396e8a7c6b9b58e4ca31fda43b00e0

Analysis

max time kernel
144s
max time network
148s
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 08:41

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General

Target

e2e852038c1504d54c9702b961095f0af961417103d2a5c8b10740dc188ac5e5.exe
Size

398KB
MD5

1efa9b18a2563ebebae8a6eabad4db7b
SHA1

b95bc070b14bbb19b209b2d4413db63f79272fbc
SHA256

e2e852038c1504d54c9702b961095f0af961417103d2a5c8b10740dc188ac5e5
SHA512

07bf09d5fa8798b9f0d40650c180275c78e201abd9d5ebfb37d2d37dcb55e0802d6c4e35467695aeec3c930add915d200847bd13ee41bc58762f067b553de5bb
SSDEEP

6144:Kqy+bnr+Dp0yN90QEI5Ngt4Ybnu7poqS394ZhT0E9P9psh7I81firb:qMrny90S8jD5NIlxVpCUv

Score

10^/10

mystic redline kukish infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kukish

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral17/memory/3756-7-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral17/memory/3756-14-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral17/memory/3756-12-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral17/memory/3756-11-0x0000000000400000-0x0000000000432000-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

resource	yara_rule
behavioral17/files/0x0007000000023536-9.dat	family_redline
behavioral17/memory/2576-16-0x00000000002E0000-0x000000000031E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
1484	1jh48il7.exe
2576	2oG933Dg.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\\\""	e2e852038c1504d54c9702b961095f0af961417103d2a5c8b10740dc188ac5e5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1484 set thread context of 3756	1484	1jh48il7.exe	116

Program crash 1 IoCs

pid	pid_target	Process	procid_target
320	3756	WerFault.exe	116

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 1484	768	e2e852038c1504d54c9702b961095f0af961417103d2a5c8b10740dc188ac5e5.exe	90
PID 768 wrote to memory of 1484	768	e2e852038c1504d54c9702b961095f0af961417103d2a5c8b10740dc188ac5e5.exe	90
PID 768 wrote to memory of 1484	768	e2e852038c1504d54c9702b961095f0af961417103d2a5c8b10740dc188ac5e5.exe	90
PID 1484 wrote to memory of 3756	1484	1jh48il7.exe	116
PID 1484 wrote to memory of 3756	1484	1jh48il7.exe	116
PID 1484 wrote to memory of 3756	1484	1jh48il7.exe	116
PID 1484 wrote to memory of 3756	1484	1jh48il7.exe	116
PID 1484 wrote to memory of 3756	1484	1jh48il7.exe	116
PID 1484 wrote to memory of 3756	1484	1jh48il7.exe	116
PID 1484 wrote to memory of 3756	1484	1jh48il7.exe	116
PID 1484 wrote to memory of 3756	1484	1jh48il7.exe	116
PID 1484 wrote to memory of 3756	1484	1jh48il7.exe	116
PID 1484 wrote to memory of 3756	1484	1jh48il7.exe	116
PID 768 wrote to memory of 2576	768	e2e852038c1504d54c9702b961095f0af961417103d2a5c8b10740dc188ac5e5.exe	117
PID 768 wrote to memory of 2576	768	e2e852038c1504d54c9702b961095f0af961417103d2a5c8b10740dc188ac5e5.exe	117
PID 768 wrote to memory of 2576	768	e2e852038c1504d54c9702b961095f0af961417103d2a5c8b10740dc188ac5e5.exe	117

C:\Users\Admin\AppData\Local\Temp\e2e852038c1504d54c9702b961095f0af961417103d2a5c8b10740dc188ac5e5.exe
"C:\Users\Admin\AppData\Local\Temp\e2e852038c1504d54c9702b961095f0af961417103d2a5c8b10740dc188ac5e5.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:768
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1jh48il7.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1jh48il7.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1484
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:3756
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 540
      4⤵
      Program crash
      PID:320
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2oG933Dg.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2oG933Dg.exe
  2⤵
  - Executes dropped EXE
  PID:2576

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3804,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4232 /prefetch:8
1⤵
PID:2276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3756 -ip 3756
1⤵
PID:3740

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\1jh48il7.exe

Filesize
320KB

MD5
5d46d756761c7b1440076303beeca0ef

SHA1
8e50680d58c89566cf78b067aefed754d9fc4935

SHA256
8ef43142ccd7fbffcd0c4fa2ed3a196f7a964f71753dfc37a895d956e02e0c83

SHA512
19457218e35c87deade73de832140d6def871159eeec74a0df5c72dc0d56757a36c36a17327a73af6f03c6d8ca86d2f031f5d0364222dfcefc49df0d88758683

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2oG933Dg.exe

Filesize
222KB

MD5
3a2fb4ae3cb49d3452da38d13bb9a4c9

SHA1
b1aadf5266265ab50b01330037fec3405cf4501a

SHA256
f97449c137f4f454706cd578b7345a4b56fb2dd066558af125773e0ed8b2326a

SHA512
8d1913bf768b1e39e1eaf8ed67b9b47f2e00fb3897a767bbb665c0715bb10f551293aabdc6d6429c26455c364a686cca225596471147813cec679e522c84dcce

Download Submit
memory/2576-21-0x0000000008130000-0x0000000008748000-memory.dmp

Filesize
6.1MB

Download
memory/2576-20-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/2576-27-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/2576-26-0x000000007476E000-0x000000007476F000-memory.dmp

Filesize
4KB

Download
memory/2576-15-0x000000007476E000-0x000000007476F000-memory.dmp

Filesize
4KB

Download
memory/2576-16-0x00000000002E0000-0x000000000031E000-memory.dmp

Filesize
248KB

Download
memory/2576-17-0x0000000007560000-0x0000000007B04000-memory.dmp

Filesize
5.6MB

Download
memory/2576-18-0x00000000070A0000-0x0000000007132000-memory.dmp

Filesize
584KB

Download
memory/2576-19-0x00000000046C0000-0x00000000046CA000-memory.dmp

Filesize
40KB

Download
memory/2576-25-0x0000000007360000-0x00000000073AC000-memory.dmp

Filesize
304KB

Download
memory/2576-24-0x0000000007320000-0x000000000735C000-memory.dmp

Filesize
240KB

Download
memory/2576-22-0x00000000073F0000-0x00000000074FA000-memory.dmp

Filesize
1.0MB

Download
memory/2576-23-0x00000000071A0000-0x00000000071B2000-memory.dmp

Filesize
72KB

Download
memory/3756-7-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3756-14-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3756-11-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3756-12-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads