mystic | ddc6b496a8a25762ee7b933f47107c5553187f5846568bf68b67dd8d5f4a7548

Analysis

max time kernel
149s
max time network
151s
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 19:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc.exe
Size

396KB
MD5

453e5bf4c8900e6f1a1e39d2371cb1e6
SHA1

8a6626ae789fd0ff3c88070b48efcf4c53ceb301
SHA256

4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc
SHA512

1de775577bc2093b37b5ce94583eb96d61c072c1c30c100d3ca8e696613dba369a32808205d79bd65e2a5083d737c2668c41f9ff9ccc196da89e765bae57683a
SSDEEP

6144:KCy+bnr+np0yN90QEPoEzV8TdQy9VBzECewwI5hb4GsT50L:+MrTy90GEzudQyPNEwpsTq

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

Processes:

resource	yara_rule
behavioral9/memory/232-7-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral9/memory/232-11-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral9/memory/232-9-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral9/memory/232-8-0x0000000000400000-0x0000000000432000-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

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2VP026ih.exe	family_redline
behavioral9/memory/1092-16-0x0000000000A60000-0x0000000000A9E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

1fx28gG7.exe2VP026ih.exe

pid process

4420 1fx28gG7.exe
1092 2VP026ih.exe

pid	process
4420	1fx28gG7.exe
1092	2VP026ih.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc.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\\\""	4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1fx28gG7.exe

description pid process target process

PID 4420 set thread context of 232 4420 1fx28gG7.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

208 232 WerFault.exe AppLaunch.exe

description	pid	process	target process
PID 4420 set thread context of 232	4420	1fx28gG7.exe	AppLaunch.exe

pid	pid_target	process	target process
208	232	WerFault.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc.exe1fx28gG7.exe

description	pid	process	target process
PID 2168 wrote to memory of 4420	2168	4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc.exe	1fx28gG7.exe
PID 2168 wrote to memory of 4420	2168	4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc.exe	1fx28gG7.exe
PID 2168 wrote to memory of 4420	2168	4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc.exe	1fx28gG7.exe
PID 4420 wrote to memory of 1488	4420	1fx28gG7.exe	AppLaunch.exe
PID 4420 wrote to memory of 1488	4420	1fx28gG7.exe	AppLaunch.exe
PID 4420 wrote to memory of 1488	4420	1fx28gG7.exe	AppLaunch.exe
PID 4420 wrote to memory of 232	4420	1fx28gG7.exe	AppLaunch.exe
PID 4420 wrote to memory of 232	4420	1fx28gG7.exe	AppLaunch.exe
PID 4420 wrote to memory of 232	4420	1fx28gG7.exe	AppLaunch.exe
PID 4420 wrote to memory of 232	4420	1fx28gG7.exe	AppLaunch.exe
PID 4420 wrote to memory of 232	4420	1fx28gG7.exe	AppLaunch.exe
PID 4420 wrote to memory of 232	4420	1fx28gG7.exe	AppLaunch.exe
PID 4420 wrote to memory of 232	4420	1fx28gG7.exe	AppLaunch.exe
PID 4420 wrote to memory of 232	4420	1fx28gG7.exe	AppLaunch.exe
PID 4420 wrote to memory of 232	4420	1fx28gG7.exe	AppLaunch.exe
PID 4420 wrote to memory of 232	4420	1fx28gG7.exe	AppLaunch.exe
PID 2168 wrote to memory of 1092	2168	4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc.exe	2VP026ih.exe
PID 2168 wrote to memory of 1092	2168	4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc.exe	2VP026ih.exe
PID 2168 wrote to memory of 1092	2168	4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc.exe	2VP026ih.exe

C:\Users\Admin\AppData\Local\Temp\4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc.exe
"C:\Users\Admin\AppData\Local\Temp\4d1fc94da13e115d0cfb24b80df5875a92e199a440121a1fe8c37f1258ef23dc.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2168

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1fx28gG7.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1fx28gG7.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4420

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:1488

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 540
4⤵
- Program crash
PID:208

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2VP026ih.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2VP026ih.exe
2⤵
- Executes dropped EXE
PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 232 -ip 232
1⤵
PID:1352

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1fx28gG7.exe

Filesize
314KB

MD5
d85dc0f3242e1b0138b56a7deee821a5

SHA1
8a30d6aad8a185c825b26dff4eceb679713a83a7

SHA256
e511674a47404a1ae35fcb1795163b6f878f22b9734c3d32ed5b4bdd189c04f1

SHA512
541c78025ef0f58917cb5aa1dce74a3b7760694e31fbe13b8faf868b7d1197eaff12fda20ab8d4cea53d28516b2ca7ac685594bf3fa76a03fa23778d9f5c224e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2VP026ih.exe

Filesize
222KB

MD5
4ff71c4985b928dea2bd4cc7aa6170df

SHA1
d34807f659f46b102dce5cf9d73adffdf0ab8116

SHA256
eac94c75a35286ed006a1fe13c3d4d4046cb7b3f494755c2bf33c7c4358ac711

SHA512
3140e8b61b7c6f5a0c9c113bc87c3527060609253e45c69a8d4e5f210de1552387d5877e3140059fb0a21f5cdeb6cbf81961bb01e8504c40d75c232a25b53915

Download Submit
memory/232-7-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/232-11-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/232-9-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/232-8-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1092-17-0x0000000007EB0000-0x0000000008454000-memory.dmp

Filesize
5.6MB

Download
memory/1092-16-0x0000000000A60000-0x0000000000A9E000-memory.dmp

Filesize
248KB

Download
memory/1092-15-0x0000000073D8E000-0x0000000073D8F000-memory.dmp

Filesize
4KB

Download
memory/1092-18-0x00000000079A0000-0x0000000007A32000-memory.dmp

Filesize
584KB

Download
memory/1092-19-0x0000000002DF0000-0x0000000002DFA000-memory.dmp

Filesize
40KB

Download
memory/1092-20-0x0000000073D80000-0x0000000074530000-memory.dmp

Filesize
7.7MB

Download
memory/1092-21-0x0000000008A80000-0x0000000009098000-memory.dmp

Filesize
6.1MB

Download
memory/1092-22-0x0000000007CC0000-0x0000000007DCA000-memory.dmp

Filesize
1.0MB

Download
memory/1092-24-0x0000000007BF0000-0x0000000007C2C000-memory.dmp

Filesize
240KB

Download
memory/1092-23-0x0000000007980000-0x0000000007992000-memory.dmp

Filesize
72KB

Download
memory/1092-25-0x0000000007C30000-0x0000000007C7C000-memory.dmp

Filesize
304KB

Download
memory/1092-26-0x0000000073D8E000-0x0000000073D8F000-memory.dmp

Filesize
4KB

Download
memory/1092-27-0x0000000073D80000-0x0000000074530000-memory.dmp

Filesize
7.7MB

Download