mystic | 75edb521bbb0ae12b7c2c52fa6e3ed769f4e764e26b92ef2dc4d7cb78ed92fd9

Analysis

max time kernel
144s
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 18:30

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General

Target

bc3d05e882eb83b7ad915dd2d33d3be8e73bb42e53f26b9662f99e79511e361f.exe
Size

815KB
MD5

5f588bc47b5093eaa5d3a9c0644b0fa6
SHA1

45386aff33a4247f8d51572f604b93a7c42ee96f
SHA256

bc3d05e882eb83b7ad915dd2d33d3be8e73bb42e53f26b9662f99e79511e361f
SHA512

6d0383da806a084f87f436ef1413c4d51f53c036c3b2fa06513f398ab8328793c910b775854fc6b512f6b33add8abc57660bf9612954420dc393c70661533ece
SSDEEP

24576:syeR6ovnaM19/cDqmCcYge61HxqCSKcORi:beR3rmIAHxkKcOR

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
behavioral15/memory/2968-21-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral15/memory/2968-25-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral15/memory/2968-23-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral15/memory/2968-22-0x0000000000400000-0x0000000000432000-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\IXP002.TMP\2BC962Kv.exe	family_redline
behavioral15/memory/3176-29-0x0000000000830000-0x000000000086E000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

Processes:

Qe0hI1mN.exemK8vD0SY.exe1NR02AN5.exe2BC962Kv.exe

pid process

5116 Qe0hI1mN.exe
2016 mK8vD0SY.exe
5092 1NR02AN5.exe
3176 2BC962Kv.exe

pid	process
5116	Qe0hI1mN.exe
2016	mK8vD0SY.exe
5092	1NR02AN5.exe
3176	2BC962Kv.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

bc3d05e882eb83b7ad915dd2d33d3be8e73bb42e53f26b9662f99e79511e361f.exeQe0hI1mN.exemK8vD0SY.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\\\""	bc3d05e882eb83b7ad915dd2d33d3be8e73bb42e53f26b9662f99e79511e361f.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\\\""	Qe0hI1mN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	mK8vD0SY.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1NR02AN5.exe

description pid process target process

PID 5092 set thread context of 2968 5092 1NR02AN5.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5108 5092 WerFault.exe 1NR02AN5.exe

description	pid	process	target process
PID 5092 set thread context of 2968	5092	1NR02AN5.exe	AppLaunch.exe

pid	pid_target	process	target process
5108	5092	WerFault.exe	1NR02AN5.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

bc3d05e882eb83b7ad915dd2d33d3be8e73bb42e53f26b9662f99e79511e361f.exeQe0hI1mN.exemK8vD0SY.exe1NR02AN5.exe

description	pid	process	target process
PID 2492 wrote to memory of 5116	2492	bc3d05e882eb83b7ad915dd2d33d3be8e73bb42e53f26b9662f99e79511e361f.exe	Qe0hI1mN.exe
PID 2492 wrote to memory of 5116	2492	bc3d05e882eb83b7ad915dd2d33d3be8e73bb42e53f26b9662f99e79511e361f.exe	Qe0hI1mN.exe
PID 2492 wrote to memory of 5116	2492	bc3d05e882eb83b7ad915dd2d33d3be8e73bb42e53f26b9662f99e79511e361f.exe	Qe0hI1mN.exe
PID 5116 wrote to memory of 2016	5116	Qe0hI1mN.exe	mK8vD0SY.exe
PID 5116 wrote to memory of 2016	5116	Qe0hI1mN.exe	mK8vD0SY.exe
PID 5116 wrote to memory of 2016	5116	Qe0hI1mN.exe	mK8vD0SY.exe
PID 2016 wrote to memory of 5092	2016	mK8vD0SY.exe	1NR02AN5.exe
PID 2016 wrote to memory of 5092	2016	mK8vD0SY.exe	1NR02AN5.exe
PID 2016 wrote to memory of 5092	2016	mK8vD0SY.exe	1NR02AN5.exe
PID 5092 wrote to memory of 3292	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 3292	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 3292	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 3540	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 3540	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 3540	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2164	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2164	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2164	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 780	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 780	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 780	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2968	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2968	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2968	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2968	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2968	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2968	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2968	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2968	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2968	5092	1NR02AN5.exe	AppLaunch.exe
PID 5092 wrote to memory of 2968	5092	1NR02AN5.exe	AppLaunch.exe
PID 2016 wrote to memory of 3176	2016	mK8vD0SY.exe	2BC962Kv.exe
PID 2016 wrote to memory of 3176	2016	mK8vD0SY.exe	2BC962Kv.exe
PID 2016 wrote to memory of 3176	2016	mK8vD0SY.exe	2BC962Kv.exe

C:\Users\Admin\AppData\Local\Temp\bc3d05e882eb83b7ad915dd2d33d3be8e73bb42e53f26b9662f99e79511e361f.exe
"C:\Users\Admin\AppData\Local\Temp\bc3d05e882eb83b7ad915dd2d33d3be8e73bb42e53f26b9662f99e79511e361f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2492

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Qe0hI1mN.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Qe0hI1mN.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5116

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mK8vD0SY.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mK8vD0SY.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2016

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1NR02AN5.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1NR02AN5.exe
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5092

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
5⤵
PID:3292

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
5⤵
PID:3540

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
5⤵
PID:2164

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
5⤵
PID:780

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
5⤵
PID:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 592
5⤵
- Program crash
PID:5108

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2BC962Kv.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2BC962Kv.exe
4⤵
- Executes dropped EXE
PID:3176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5092 -ip 5092
1⤵
PID:4028

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\Qe0hI1mN.exe

Filesize
582KB

MD5
f2a0b5a0e57ae53fbe24c0df2f1f9e5c

SHA1
074a5a85bda75f8d4aca895020ccb0e5e02c6067

SHA256
442682ff3cde8335f5b11488ea9fe2fe5700779fea6822aaa96a7911073373ad

SHA512
52cf80745c0bc96b13e8957b757d8c9ed585db8e64e6eaabf61f50f49af564260fcb5fb8447d5b79d0e45787a6ffa78446e3ce2138edba016737a4881952f113

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mK8vD0SY.exe

Filesize
382KB

MD5
db7113700316e7b4258afce73e89f956

SHA1
b7ed701196fa17805922fcf2af03adba119e5ae8

SHA256
5a46cc9fd1016ca1e40d9399ba3b698075531e5567cf02e3ce7f8cd1eece3f4b

SHA512
fed52fd13e6b4a158caa79dda42568c3eb89da7d1b2498a9b4d077224e907e530c85b35e6da726b88176ce961e46154208105911387a023d00a1a45324dd0238

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1NR02AN5.exe

Filesize
295KB

MD5
fc07a394bba29c2849a0a56d1301b8f8

SHA1
bdf41eaea67830a1fd90db6dea78ede186f45fea

SHA256
7985b4073ca18e6b5f481a23889e852babf6d0e389e26fbf9415930f5cfc5cb1

SHA512
e3d27ea55a378ea3a2a326fbc0e1e46898ce013b1b9c5c81233375a09c797fe242a2a388b5bd7bb5ca382ef91c1c6296ccfb107484a9f5e08a65173e9462ff0c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2BC962Kv.exe

Filesize
222KB

MD5
b226f0840e3d487ffba52528d4340435

SHA1
d9e192a773e50e5add271e5470ddf6bb0b559108

SHA256
9e348381f2695503b07539c143254b9d8dfd25787b35e08308e39c910ed64c46

SHA512
da7c876b81651e28ac4957b892b175fec6fa083383c0f52f92209d353b935e742ae6ed25b4801ad227639d3024fde77ac3b363b3c34f53bc70801f0625147773

Download Submit
memory/2968-21-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2968-25-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2968-23-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2968-22-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3176-29-0x0000000000830000-0x000000000086E000-memory.dmp

Filesize
248KB

Download
memory/3176-30-0x0000000007B20000-0x00000000080C4000-memory.dmp

Filesize
5.6MB

Download
memory/3176-31-0x0000000007610000-0x00000000076A2000-memory.dmp

Filesize
584KB

Download
memory/3176-32-0x0000000002A30000-0x0000000002A3A000-memory.dmp

Filesize
40KB

Download
memory/3176-33-0x00000000086F0000-0x0000000008D08000-memory.dmp

Filesize
6.1MB

Download
memory/3176-34-0x0000000007900000-0x0000000007A0A000-memory.dmp

Filesize
1.0MB

Download
memory/3176-35-0x00000000077F0000-0x0000000007802000-memory.dmp

Filesize
72KB

Download
memory/3176-36-0x0000000007850000-0x000000000788C000-memory.dmp

Filesize
240KB

Download
memory/3176-37-0x0000000007890000-0x00000000078DC000-memory.dmp

Filesize
304KB

Download