mystic | 4ce71244da4dd5d9b0b7535c6b62aebf516adc87a36195170af93efa3a630b9f

Analysis

max time kernel
150s
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
23-05-2024 16:40

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General

Target

37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5.exe
Size

555KB
MD5

87a1d0af4685f78fd81e98a65bfd5230
SHA1

10a9b837e575b7cf043c1d7701f49ac5261e386c
SHA256

37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5
SHA512

a406492fcf0a39d9d536ed2aff82eba7b7336728b5df8d1b83fd71f500c560a1253889ec96175017ce5bca02b89b536210720b664f18c26d1d44105a42fb45d7
SSDEEP

12288:nMryy90QSz/Fi0ZQMEI1yMQHbnRa+bPYvBTJBu8rGyFb:1yb47CU0HbRFjYNXb

Score

10^/10

mystic redline virad infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

virad

77.91.124.82:19071

Attributes

auth_value
434dd63619ca8bbf10125913fb40ca28

Signatures

Detect Mystic stealer payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m2629566.exe	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\n0657603.exe	family_redline
behavioral5/memory/1628-18-0x0000000000130000-0x0000000000160000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

Processes:

y3426020.exem2629566.exen0657603.exe

pid process

1784 y3426020.exe
1984 m2629566.exe
1628 n0657603.exe

pid	process
1784	y3426020.exe
1984	m2629566.exe
1628	n0657603.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

y3426020.exe37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5.exe

description	ioc	process
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\\\""	y3426020.exe
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\\\""	37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5.exey3426020.exe

description	pid	process	target process
PID 3636 wrote to memory of 1784	3636	37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5.exe	y3426020.exe
PID 3636 wrote to memory of 1784	3636	37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5.exe	y3426020.exe
PID 3636 wrote to memory of 1784	3636	37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5.exe	y3426020.exe
PID 1784 wrote to memory of 1984	1784	y3426020.exe	m2629566.exe
PID 1784 wrote to memory of 1984	1784	y3426020.exe	m2629566.exe
PID 1784 wrote to memory of 1984	1784	y3426020.exe	m2629566.exe
PID 1784 wrote to memory of 1628	1784	y3426020.exe	n0657603.exe
PID 1784 wrote to memory of 1628	1784	y3426020.exe	n0657603.exe
PID 1784 wrote to memory of 1628	1784	y3426020.exe	n0657603.exe

C:\Users\Admin\AppData\Local\Temp\37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5.exe
"C:\Users\Admin\AppData\Local\Temp\37bb007e1a7b802fb160d31d43e6ee29920fb53b1d37beda1c042d893778cab5.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3636

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3426020.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3426020.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1784

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m2629566.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m2629566.exe
3⤵
- Executes dropped EXE
PID:1984

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n0657603.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n0657603.exe
3⤵
- Executes dropped EXE
PID:1628

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\y3426020.exe
Filesize
271KB

MD5
6d437bda51131c4a7e3653bf4004912d

SHA1
3bbb8c6b3c12cdcda2a939bfd1529ea865530506

SHA256
903a832af5cfe2e722cee8b8ebd5af1478953f6286f3253ce112dbcb48aefa07

SHA512
451a517bab2791171e50501ca3753f0a8dc53a7dfb2e0a8db9a5b75b0ac2a7ebc2c9facbc61972c7cf02167a260d73329f51f6a5d6b78cf8962fff748f306f86

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m2629566.exe
Filesize
141KB

MD5
e2bbe49b9c440182d4c9fb33e3dc2156

SHA1
152cb5b111908a2b5fc476efda1abdd5a04aee9f

SHA256
8ebe2022492b78f88b7e8497a43aa387d5d645ce27fed4f1cdd54e64df4cfe7b

SHA512
d939f72a475803db9f17300c1d07a7c3250484a7c9568e0e3567698144e0b00b47aa012ca45efbd423b728d82c279c2801329a5f7c80d4476971e54aca9f2da6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n0657603.exe
Filesize
174KB

MD5
a6c095b1a659603d74ed3f096e4f117c

SHA1
7d9833e31dd65a90e2a4cb5f74b506f32bbadac3

SHA256
4ab60efe913dae67a665dafe28b92dfbdfb4d3ccdb207d661a8dc0a6f60ca871

SHA512
e4cf4f5cad11700a4e8dce570c3104afce9f4e219dc1382141ea2d235cb3f2d3b3b401576111b9af3fa5823cfad87a4623749509039450132e64f10ab4faf174

Download Submit
memory/1628-17-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1628-18-0x0000000000130000-0x0000000000160000-memory.dmp

Filesize
192KB

Download
memory/1628-19-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/1628-20-0x0000000005080000-0x0000000005698000-memory.dmp

Filesize
6.1MB

Download
memory/1628-21-0x0000000004B80000-0x0000000004C8A000-memory.dmp

Filesize
1.0MB

Download
memory/1628-22-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/1628-23-0x0000000004B20000-0x0000000004B5C000-memory.dmp

Filesize
240KB

Download
memory/1628-24-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1628-25-0x0000000004C90000-0x0000000004CDC000-memory.dmp

Filesize
304KB

Download
memory/1628-26-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1628-27-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download