mystic | 5eb722b1af29eaaa64b029ffc54dddae92acbb9c1b778b6bc51551329ed241e8

Analysis

max time kernel
147s
max time network
154s
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 11:20

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General

Target

29d3a95944732180e7b649fa96bb2f15636a9658a83828117964eea5a39c72db.exe
Size

1.1MB
MD5

65f3094287ecabb93243414da30c83fb
SHA1

618b22115bae825725f7e9544060ab66ac1a889b
SHA256

29d3a95944732180e7b649fa96bb2f15636a9658a83828117964eea5a39c72db
SHA512

deb98c2947fd3a84cd4461c712394c00ebbaf5317c3969bcc3fcd8ffda4d58dc78b24992dc9f0d933302a57937d1cdc84749fa55f311ed3ca6ed6a29bc7c406f
SSDEEP

24576:JyIlMs03q2/LvDsuZTe+tCbubF+KSSguGnS:8yMarCTgSbZ3x

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 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1hT90KL0.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\IXP004.TMP\2mV826XM.exe	family_redline
behavioral4/memory/2328-38-0x0000000000E50000-0x0000000000E8E000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

Processes:

IW1vb5MJ.exejX6Ft7TL.exeCM3mW2ny.exeBT3zU2wC.exe1hT90KL0.exe2mV826XM.exe

pid process

1612 IW1vb5MJ.exe
1916 jX6Ft7TL.exe
4840 CM3mW2ny.exe
4864 BT3zU2wC.exe
980 1hT90KL0.exe
2328 2mV826XM.exe

pid	process
1612	IW1vb5MJ.exe
1916	jX6Ft7TL.exe
4840	CM3mW2ny.exe
4864	BT3zU2wC.exe
980	1hT90KL0.exe
2328	2mV826XM.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

29d3a95944732180e7b649fa96bb2f15636a9658a83828117964eea5a39c72db.exeIW1vb5MJ.exejX6Ft7TL.exeCM3mW2ny.exeBT3zU2wC.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\\\""	29d3a95944732180e7b649fa96bb2f15636a9658a83828117964eea5a39c72db.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\\\""	IW1vb5MJ.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\\\""	jX6Ft7TL.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	CM3mW2ny.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\""	BT3zU2wC.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

29d3a95944732180e7b649fa96bb2f15636a9658a83828117964eea5a39c72db.exeIW1vb5MJ.exejX6Ft7TL.exeCM3mW2ny.exeBT3zU2wC.exe

description	pid	process	target process
PID 1200 wrote to memory of 1612	1200	29d3a95944732180e7b649fa96bb2f15636a9658a83828117964eea5a39c72db.exe	IW1vb5MJ.exe
PID 1200 wrote to memory of 1612	1200	29d3a95944732180e7b649fa96bb2f15636a9658a83828117964eea5a39c72db.exe	IW1vb5MJ.exe
PID 1200 wrote to memory of 1612	1200	29d3a95944732180e7b649fa96bb2f15636a9658a83828117964eea5a39c72db.exe	IW1vb5MJ.exe
PID 1612 wrote to memory of 1916	1612	IW1vb5MJ.exe	jX6Ft7TL.exe
PID 1612 wrote to memory of 1916	1612	IW1vb5MJ.exe	jX6Ft7TL.exe
PID 1612 wrote to memory of 1916	1612	IW1vb5MJ.exe	jX6Ft7TL.exe
PID 1916 wrote to memory of 4840	1916	jX6Ft7TL.exe	CM3mW2ny.exe
PID 1916 wrote to memory of 4840	1916	jX6Ft7TL.exe	CM3mW2ny.exe
PID 1916 wrote to memory of 4840	1916	jX6Ft7TL.exe	CM3mW2ny.exe
PID 4840 wrote to memory of 4864	4840	CM3mW2ny.exe	BT3zU2wC.exe
PID 4840 wrote to memory of 4864	4840	CM3mW2ny.exe	BT3zU2wC.exe
PID 4840 wrote to memory of 4864	4840	CM3mW2ny.exe	BT3zU2wC.exe
PID 4864 wrote to memory of 980	4864	BT3zU2wC.exe	1hT90KL0.exe
PID 4864 wrote to memory of 980	4864	BT3zU2wC.exe	1hT90KL0.exe
PID 4864 wrote to memory of 980	4864	BT3zU2wC.exe	1hT90KL0.exe
PID 4864 wrote to memory of 2328	4864	BT3zU2wC.exe	2mV826XM.exe
PID 4864 wrote to memory of 2328	4864	BT3zU2wC.exe	2mV826XM.exe
PID 4864 wrote to memory of 2328	4864	BT3zU2wC.exe	2mV826XM.exe

C:\Users\Admin\AppData\Local\Temp\29d3a95944732180e7b649fa96bb2f15636a9658a83828117964eea5a39c72db.exe
"C:\Users\Admin\AppData\Local\Temp\29d3a95944732180e7b649fa96bb2f15636a9658a83828117964eea5a39c72db.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\IW1vb5MJ.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\IW1vb5MJ.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1612

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jX6Ft7TL.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jX6Ft7TL.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1916

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\CM3mW2ny.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\CM3mW2ny.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4840

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\BT3zU2wC.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\BT3zU2wC.exe
5⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4864

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1hT90KL0.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1hT90KL0.exe
6⤵
- Executes dropped EXE
PID:980

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2mV826XM.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2mV826XM.exe
6⤵
- Executes dropped EXE
PID:2328

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\IW1vb5MJ.exe
Filesize
1005KB

MD5
9f64758f90252197ce742eb280045c44

SHA1
e48d61f46caaae0fcf91e2cd26b905f35240a45d

SHA256
d8c5945c706946b2628edbf03b67617b88adbcdb648a1a8b72981e9bb3d3726b

SHA512
2f038365bbdd16bc12dc0358222db301bed93e19b99338d2a50eb4ba993802657ed3afb14b0dc9460b6b123805186b00139f9000bc2b01c7a9427d97f8fbd16e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jX6Ft7TL.exe
Filesize
816KB

MD5
205189dc1688265490cf8e8e60bf4886

SHA1
4eecbcb3fa3483903643335c89c72b3761858243

SHA256
ce7c9b30a39d834a67c904f90b639ae06d72918ac19577d2b904156d8250a878

SHA512
7c5a131b42caa9872f42b7687f5954851b708507698ddb843b8e04939354a44c759a182d72e3b711b1894a8b39576d864e8369ada7feb25531b0892a87fd5795

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\CM3mW2ny.exe
Filesize
522KB

MD5
697b54c43ef3fe4001c7a878995acac2

SHA1
300cbd67cf151d04e8872f3eb36e67e72ef9236a

SHA256
13a46997fe702d49985abadff522a6df64e62619c0bb4d9c8abbb9c5d48ca432

SHA512
238c6003c8a12e617a197bb02e453e24c8d29db754029a02237f911184fb2afcff1c2646f3ac3c0e60966acb5c571933a3f9df00804f40a6088ccd59af29fe90

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\BT3zU2wC.exe
Filesize
326KB

MD5
65b7bc9e767e9689c561002987210bf9

SHA1
ae74f3fcefd7297ee2c3748f68d789b77c0385b2

SHA256
c71eadf67b03bbe5c4390e3ca1da9108215aba75adf3d3ef5452116d2aea7629

SHA512
f30e3abeac29b334ef3372f6da5ef5421f3e8ad492497f3c49de99134a61f81d8e7e5db64858c9a83122355070160172b84a64a356e0a8f1ddc955790ee4b47c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1hT90KL0.exe
Filesize
190KB

MD5
a6656e3d6d06c8ce9cbb4b6952553c20

SHA1
af45103616dc896da5ee4268fd5f9483b5b97c1c

SHA256
fec303b128c44607654c078736b96d2762722f51b6c473dfe5415158fd83718b

SHA512
f53f2214d3f192a352b2a93c66d91988a41a5ab9dbf15edd62ea8ce38da8a732114e3c46526d4dc6f3132330913b1acb90fa11ff454a1520d117149a86678d84

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2mV826XM.exe
Filesize
221KB

MD5
7e9b5ac79ffaaa033b9737c4eb0e5d99

SHA1
ea261678122745fdee92a33feccb8853cde72bc3

SHA256
c1217312fb8ac91c3f3e9db13f84540c26118670481775c81fd92d7ddf472c87

SHA512
7d41ed2ad74a611366c793e6e8f2991de704e4ee657ef3f7c3a8414754489e2b5f13f231782b5342ca266de10aa507c36e5bdf4c300a527c2f1591505774db71

Download Submit
memory/2328-38-0x0000000000E50000-0x0000000000E8E000-memory.dmp

Filesize
248KB

Download
memory/2328-39-0x0000000008150000-0x00000000086F4000-memory.dmp

Filesize
5.6MB

Download
memory/2328-40-0x0000000007C40000-0x0000000007CD2000-memory.dmp

Filesize
584KB

Download
memory/2328-41-0x0000000003050000-0x000000000305A000-memory.dmp

Filesize
40KB

Download
memory/2328-42-0x0000000008D20000-0x0000000009338000-memory.dmp

Filesize
6.1MB

Download
memory/2328-43-0x0000000008010000-0x000000000811A000-memory.dmp

Filesize
1.0MB

Download
memory/2328-44-0x0000000007D00000-0x0000000007D12000-memory.dmp

Filesize
72KB

Download
memory/2328-45-0x0000000007D60000-0x0000000007D9C000-memory.dmp

Filesize
240KB

Download
memory/2328-46-0x0000000007F00000-0x0000000007F4C000-memory.dmp

Filesize
304KB

Download