mystic | 35fa914c6357cde578322016bb343396ee5cbe965e37dbbc27e58563c27f3d00

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
24-05-2024 10:02

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General

Target

fde0e8258ce7f85dd1a300cd7964ca02580d162769083c1df9c9dcbbe96d9678.exe
Size

640KB
MD5

5d02cc2cafd8d15fe7d9332511fd154b
SHA1

19fd38f620c5238c4f077afad97392541b20ebbe
SHA256

fde0e8258ce7f85dd1a300cd7964ca02580d162769083c1df9c9dcbbe96d9678
SHA512

6ff1639be7a478f7a3a335f03612d500d469b27c653b3016cff79b3ce14a224bac4deadcbc2c057f37d1c66159191dbfd08bf9a8dd273cb75dc794d95743770e
SSDEEP

12288:/MrJy90iMpEEp5yKTLK3uJv/stegD79NkaUEvGAke/JLEFeBgq+ZXqw15:qyTsnXAuqDDRN41TWJgeZ+9qwv

Score

10^/10

mystic redline lutyr infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

lutyr

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

Processes:

resource	yara_rule
behavioral21/memory/4996-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral21/memory/4996-16-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral21/memory/4996-18-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral21/memory/4996-15-0x0000000000400000-0x0000000000433000-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\2BF979EV.exe	family_redline
behavioral21/memory/4256-22-0x00000000003E0000-0x000000000041E000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

Processes:

Iv9qI7cu.exe1CO84aT9.exe2BF979EV.exe

pid process

1468 Iv9qI7cu.exe
1804 1CO84aT9.exe
4256 2BF979EV.exe

pid	process
1468	Iv9qI7cu.exe
1804	1CO84aT9.exe
4256	2BF979EV.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

fde0e8258ce7f85dd1a300cd7964ca02580d162769083c1df9c9dcbbe96d9678.exeIv9qI7cu.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\\\""	fde0e8258ce7f85dd1a300cd7964ca02580d162769083c1df9c9dcbbe96d9678.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\\\""	Iv9qI7cu.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1CO84aT9.exe

description pid process target process

PID 1804 set thread context of 4996 1804 1CO84aT9.exe AppLaunch.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

1028 1804 WerFault.exe 1CO84aT9.exe
4612 4996 WerFault.exe AppLaunch.exe

description	pid	process	target process
PID 1804 set thread context of 4996	1804	1CO84aT9.exe	AppLaunch.exe

pid	pid_target	process	target process
1028	1804	WerFault.exe	1CO84aT9.exe
4612	4996	WerFault.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

fde0e8258ce7f85dd1a300cd7964ca02580d162769083c1df9c9dcbbe96d9678.exeIv9qI7cu.exe1CO84aT9.exe

description	pid	process	target process
PID 1128 wrote to memory of 1468	1128	fde0e8258ce7f85dd1a300cd7964ca02580d162769083c1df9c9dcbbe96d9678.exe	Iv9qI7cu.exe
PID 1128 wrote to memory of 1468	1128	fde0e8258ce7f85dd1a300cd7964ca02580d162769083c1df9c9dcbbe96d9678.exe	Iv9qI7cu.exe
PID 1128 wrote to memory of 1468	1128	fde0e8258ce7f85dd1a300cd7964ca02580d162769083c1df9c9dcbbe96d9678.exe	Iv9qI7cu.exe
PID 1468 wrote to memory of 1804	1468	Iv9qI7cu.exe	1CO84aT9.exe
PID 1468 wrote to memory of 1804	1468	Iv9qI7cu.exe	1CO84aT9.exe
PID 1468 wrote to memory of 1804	1468	Iv9qI7cu.exe	1CO84aT9.exe
PID 1804 wrote to memory of 4996	1804	1CO84aT9.exe	AppLaunch.exe
PID 1804 wrote to memory of 4996	1804	1CO84aT9.exe	AppLaunch.exe
PID 1804 wrote to memory of 4996	1804	1CO84aT9.exe	AppLaunch.exe
PID 1804 wrote to memory of 4996	1804	1CO84aT9.exe	AppLaunch.exe
PID 1804 wrote to memory of 4996	1804	1CO84aT9.exe	AppLaunch.exe
PID 1804 wrote to memory of 4996	1804	1CO84aT9.exe	AppLaunch.exe
PID 1804 wrote to memory of 4996	1804	1CO84aT9.exe	AppLaunch.exe
PID 1804 wrote to memory of 4996	1804	1CO84aT9.exe	AppLaunch.exe
PID 1804 wrote to memory of 4996	1804	1CO84aT9.exe	AppLaunch.exe
PID 1804 wrote to memory of 4996	1804	1CO84aT9.exe	AppLaunch.exe
PID 1468 wrote to memory of 4256	1468	Iv9qI7cu.exe	2BF979EV.exe
PID 1468 wrote to memory of 4256	1468	Iv9qI7cu.exe	2BF979EV.exe
PID 1468 wrote to memory of 4256	1468	Iv9qI7cu.exe	2BF979EV.exe

C:\Users\Admin\AppData\Local\Temp\fde0e8258ce7f85dd1a300cd7964ca02580d162769083c1df9c9dcbbe96d9678.exe
"C:\Users\Admin\AppData\Local\Temp\fde0e8258ce7f85dd1a300cd7964ca02580d162769083c1df9c9dcbbe96d9678.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1128

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Iv9qI7cu.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Iv9qI7cu.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1468

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1CO84aT9.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1CO84aT9.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1804

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
PID:4996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 540
5⤵
- Program crash
PID:4612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 588
4⤵
- Program crash
PID:1028

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2BF979EV.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2BF979EV.exe
3⤵
- Executes dropped EXE
PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 4996 -ip 4996
1⤵
PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1804 -ip 1804
1⤵
PID:688

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Iv9qI7cu.exe

Filesize
444KB

MD5
3b07c3d04bb47eb2cc50a09de47eb373

SHA1
3bc0461291ba905686c3914160cfa9c0926675a7

SHA256
981ec1d26139faa8a91ab244112984c2580f533ae87dc789da708236a98ef033

SHA512
f25b3364f4cd62f2671237dd4af988f1dc8e9e4f68c3df3fa50d83be6396854780d4c868ec2149eccb651654f6e282af5a3c1c86f9b32be97d670828eec2941f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1CO84aT9.exe

Filesize
423KB

MD5
7a1315485d181f9281782717240dab7a

SHA1
bf64abf85ffcbd07de7bfe04449cccc41675e282

SHA256
aabf8d32f47143671394533fad750837abc508527951ce46b05d9e0c76b46ec8

SHA512
c85167b371b34750aad7a929bec58747862b2e486f8ee7b0d914fcd081ae2214828cc312d7b87458178506a1a1da8ba28346e361b06f3aedba046b0b0e8c5532

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2BF979EV.exe

Filesize
221KB

MD5
4f94fcdbc4454fadaebb849f72091e45

SHA1
e9d7913162e07f4ac71807296e4ce6d6ee84033b

SHA256
6c34c606ae2e763c842f32ff617fb4a647fd1ead79caf30b19f36738b7deb8c6

SHA512
47cf785cd87ba1b280028e77da9ff00b3f2ad493eb6c45e1a3fd3191b4c2a1807a94dd16aeb79d840796f436aa05ac9485c1392501c15038c8fdebc048c6ec9a

Download Submit
memory/4256-27-0x0000000007DF0000-0x0000000007EFA000-memory.dmp

Filesize
1.0MB

Download
memory/4256-22-0x00000000003E0000-0x000000000041E000-memory.dmp

Filesize
248KB

Download
memory/4256-23-0x0000000007840000-0x0000000007DE4000-memory.dmp

Filesize
5.6MB

Download
memory/4256-24-0x0000000007330000-0x00000000073C2000-memory.dmp

Filesize
584KB

Download
memory/4256-25-0x00000000028B0000-0x00000000028BA000-memory.dmp

Filesize
40KB

Download
memory/4256-26-0x0000000008410000-0x0000000008A28000-memory.dmp

Filesize
6.1MB

Download
memory/4256-28-0x00000000073D0000-0x00000000073E2000-memory.dmp

Filesize
72KB

Download
memory/4256-29-0x0000000007430000-0x000000000746C000-memory.dmp

Filesize
240KB

Download
memory/4256-30-0x00000000075B0000-0x00000000075FC000-memory.dmp

Filesize
304KB

Download
memory/4996-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4996-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4996-16-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4996-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download