mystic | 3cc30911c3eb32deaf5fb8bc4dfe2ca6abbafa106ab4c16e8ff25a715c1fe7e7

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2024, 08:34

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General

Target

d53f5a64de740270c801f8951781be9743b4ec40b8b353271cb0cbf0a4c8b8d1.exe
Size

383KB
MD5

1b5eb87432b4697dac2f152e9d5be6b4
SHA1

f0750a31de57e8343d78a74db781a6c68cb9af96
SHA256

d53f5a64de740270c801f8951781be9743b4ec40b8b353271cb0cbf0a4c8b8d1
SHA512

3a1d09762eb036305cf7ba74062c4071f7c055980443ea240ddd8fefe84a1d5f6d9c7808dc1b36f698a792ced50e5f27c133e0c5ef0aae85283b91f65b0129ef
SSDEEP

6144:Kgy+bnr+Dp0yN90QE/j6LJ7Yxxs4CiSlttmxxk70t7iFuK5V67ufgSx:8Mrry90t69CTx8i7iNU7xy

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
behavioral15/memory/2928-8-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral15/memory/2928-9-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral15/memory/2928-11-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral15/memory/2928-7-0x0000000000400000-0x0000000000432000-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
behavioral15/files/0x000700000002340e-13.dat	family_redline
behavioral15/memory/3144-16-0x0000000000190000-0x00000000001CE000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
5012	1CU10lV4.exe
3144	2qn084TN.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\\\""	d53f5a64de740270c801f8951781be9743b4ec40b8b353271cb0cbf0a4c8b8d1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5012 set thread context of 2928	5012	1CU10lV4.exe	95

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3220	5012	WerFault.exe	82
4968	2928	WerFault.exe	95

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 5012	4124	d53f5a64de740270c801f8951781be9743b4ec40b8b353271cb0cbf0a4c8b8d1.exe	82
PID 4124 wrote to memory of 5012	4124	d53f5a64de740270c801f8951781be9743b4ec40b8b353271cb0cbf0a4c8b8d1.exe	82
PID 4124 wrote to memory of 5012	4124	d53f5a64de740270c801f8951781be9743b4ec40b8b353271cb0cbf0a4c8b8d1.exe	82
PID 5012 wrote to memory of 2928	5012	1CU10lV4.exe	95
PID 5012 wrote to memory of 2928	5012	1CU10lV4.exe	95
PID 5012 wrote to memory of 2928	5012	1CU10lV4.exe	95
PID 5012 wrote to memory of 2928	5012	1CU10lV4.exe	95
PID 5012 wrote to memory of 2928	5012	1CU10lV4.exe	95
PID 5012 wrote to memory of 2928	5012	1CU10lV4.exe	95
PID 5012 wrote to memory of 2928	5012	1CU10lV4.exe	95
PID 5012 wrote to memory of 2928	5012	1CU10lV4.exe	95
PID 5012 wrote to memory of 2928	5012	1CU10lV4.exe	95
PID 5012 wrote to memory of 2928	5012	1CU10lV4.exe	95
PID 4124 wrote to memory of 3144	4124	d53f5a64de740270c801f8951781be9743b4ec40b8b353271cb0cbf0a4c8b8d1.exe	101
PID 4124 wrote to memory of 3144	4124	d53f5a64de740270c801f8951781be9743b4ec40b8b353271cb0cbf0a4c8b8d1.exe	101
PID 4124 wrote to memory of 3144	4124	d53f5a64de740270c801f8951781be9743b4ec40b8b353271cb0cbf0a4c8b8d1.exe	101

C:\Users\Admin\AppData\Local\Temp\d53f5a64de740270c801f8951781be9743b4ec40b8b353271cb0cbf0a4c8b8d1.exe
"C:\Users\Admin\AppData\Local\Temp\d53f5a64de740270c801f8951781be9743b4ec40b8b353271cb0cbf0a4c8b8d1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1CU10lV4.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1CU10lV4.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:5012
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:2928
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 540
      4⤵
      Program crash
      PID:4968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 580
    3⤵
    - Program crash
    PID:3220
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2qn084TN.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2qn084TN.exe
  2⤵
  - Executes dropped EXE
  PID:3144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2928 -ip 2928
1⤵
PID:2592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5012 -ip 5012
1⤵
PID:4316

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\1CU10lV4.exe

Filesize
298KB

MD5
3363d32f83f0ca5aba710af4eb769c99

SHA1
941ae1b9c0879457793019c01c0a9ba0497a22c1

SHA256
9f2629cde2a7991043a74771918d4417bd026ceb4ca389953e3c11c15b59cecb

SHA512
54cee54dfd076c6cc45ecf2a84bce6c214bf2851e7d88071bde82f76244fcb0113f3679993ba2685b15dcfcfdb2bf108b70bd775c1446be44ba481ff70470dff

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2qn084TN.exe

Filesize
222KB

MD5
38a788cea63261bc9bfd6e5baf524ef5

SHA1
a05b9afaf5ff9c769705fbfa4f94da4d734d38e3

SHA256
b5a932097aab404046b1d469e89c7f1d4b504050750973bd5ac16f26420728aa

SHA512
2b08515ec3154833ef3e62f4c4d1717850042586f33a61be9f07eb78b3dd6b0e26d5a5ebc7be1b19fdf5091bbb1d546818b7bd391c99780128a5587e894ce21a

Download Submit
memory/2928-8-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2928-9-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2928-11-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2928-7-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3144-17-0x0000000007420000-0x00000000079C4000-memory.dmp

Filesize
5.6MB

Download
memory/3144-16-0x0000000000190000-0x00000000001CE000-memory.dmp

Filesize
248KB

Download
memory/3144-15-0x0000000073FBE000-0x0000000073FBF000-memory.dmp

Filesize
4KB

Download
memory/3144-18-0x0000000006F10000-0x0000000006FA2000-memory.dmp

Filesize
584KB

Download
memory/3144-19-0x0000000004510000-0x000000000451A000-memory.dmp

Filesize
40KB

Download
memory/3144-20-0x0000000073FB0000-0x0000000074760000-memory.dmp

Filesize
7.7MB

Download
memory/3144-21-0x0000000007FF0000-0x0000000008608000-memory.dmp

Filesize
6.1MB

Download
memory/3144-22-0x00000000072C0000-0x00000000073CA000-memory.dmp

Filesize
1.0MB

Download
memory/3144-23-0x0000000007140000-0x0000000007152000-memory.dmp

Filesize
72KB

Download
memory/3144-24-0x00000000071A0000-0x00000000071DC000-memory.dmp

Filesize
240KB

Download
memory/3144-25-0x00000000071E0000-0x000000000722C000-memory.dmp

Filesize
304KB

Download
memory/3144-26-0x0000000073FBE000-0x0000000073FBF000-memory.dmp

Filesize
4KB

Download
memory/3144-27-0x0000000073FB0000-0x0000000074760000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads