mystic | 47203fc7445c1e0e06643f363dd7d86ccc46b70ab234e5fbfe72badfdd6704ae

Analysis

max time kernel
140s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 08:22

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General

Target

86d4877badbdcb1c02fdb785b5cb78ec9c4f17f7845781fd0b7513dbfb2bbff4.exe
Size

826KB
MD5

30b6a63464e5c3c721abfd7eb4412bb8
SHA1

45a11c3a7f3aa12282027ed8a147e0f96735c480
SHA256

86d4877badbdcb1c02fdb785b5cb78ec9c4f17f7845781fd0b7513dbfb2bbff4
SHA512

2dafd947ceb398df19d7149cbc86688d72156693a3a02355b7aa34617de335a2dc2dd1f11b41bad5f66b0bbc99ac64503b3a250e494aa28f61fa4343d5c7dcdc
SSDEEP

12288:FMrny90tZN3wv3qLsF3RUBaR4Ocar3t9wZO6L3VGhr8dbVpR/G478h+mtfrAj/w/:+ysZN3w/TFBmOfku8dZG44dtcws5i

Score

10^/10

mystic redline tuxiu infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

tuxiu

77.91.124.82:19071

Attributes

auth_value
29610cdad07e7187eec70685a04b89fe

Signatures

Detect Mystic stealer payload 5 IoCs

Processes:

resource	yara_rule
behavioral11/memory/2160-21-0x0000000000400000-0x000000000042C000-memory.dmp	mystic_family
behavioral11/memory/2160-22-0x0000000000400000-0x000000000042C000-memory.dmp	mystic_family
behavioral11/memory/2160-23-0x0000000000400000-0x000000000042C000-memory.dmp	mystic_family
behavioral11/memory/2160-25-0x0000000000400000-0x000000000042C000-memory.dmp	mystic_family
behavioral11/memory/2160-26-0x0000000000400000-0x000000000042C000-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\h7368957.exe	family_redline
behavioral11/memory/872-30-0x00000000007B0000-0x00000000007E0000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

Processes:

x1871808.exex4825320.exeg4568712.exeh7368957.exe

pid process

5004 x1871808.exe
536 x4825320.exe
2604 g4568712.exe
872 h7368957.exe

pid	process
5004	x1871808.exe
536	x4825320.exe
2604	g4568712.exe
872	h7368957.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

x4825320.exe86d4877badbdcb1c02fdb785b5cb78ec9c4f17f7845781fd0b7513dbfb2bbff4.exex1871808.exe

description	ioc	process
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\\\""	x4825320.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\\\""	86d4877badbdcb1c02fdb785b5cb78ec9c4f17f7845781fd0b7513dbfb2bbff4.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\\\""	x1871808.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

g4568712.exe

description pid process target process

PID 2604 set thread context of 2160 2604 g4568712.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4900 2604 WerFault.exe g4568712.exe

description	pid	process	target process
PID 2604 set thread context of 2160	2604	g4568712.exe	AppLaunch.exe

pid	pid_target	process	target process
4900	2604	WerFault.exe	g4568712.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

86d4877badbdcb1c02fdb785b5cb78ec9c4f17f7845781fd0b7513dbfb2bbff4.exex1871808.exex4825320.exeg4568712.exe

description	pid	process	target process
PID 4908 wrote to memory of 5004	4908	86d4877badbdcb1c02fdb785b5cb78ec9c4f17f7845781fd0b7513dbfb2bbff4.exe	x1871808.exe
PID 4908 wrote to memory of 5004	4908	86d4877badbdcb1c02fdb785b5cb78ec9c4f17f7845781fd0b7513dbfb2bbff4.exe	x1871808.exe
PID 4908 wrote to memory of 5004	4908	86d4877badbdcb1c02fdb785b5cb78ec9c4f17f7845781fd0b7513dbfb2bbff4.exe	x1871808.exe
PID 5004 wrote to memory of 536	5004	x1871808.exe	x4825320.exe
PID 5004 wrote to memory of 536	5004	x1871808.exe	x4825320.exe
PID 5004 wrote to memory of 536	5004	x1871808.exe	x4825320.exe
PID 536 wrote to memory of 2604	536	x4825320.exe	g4568712.exe
PID 536 wrote to memory of 2604	536	x4825320.exe	g4568712.exe
PID 536 wrote to memory of 2604	536	x4825320.exe	g4568712.exe
PID 2604 wrote to memory of 1752	2604	g4568712.exe	AppLaunch.exe
PID 2604 wrote to memory of 1752	2604	g4568712.exe	AppLaunch.exe
PID 2604 wrote to memory of 1752	2604	g4568712.exe	AppLaunch.exe
PID 2604 wrote to memory of 2160	2604	g4568712.exe	AppLaunch.exe
PID 2604 wrote to memory of 2160	2604	g4568712.exe	AppLaunch.exe
PID 2604 wrote to memory of 2160	2604	g4568712.exe	AppLaunch.exe
PID 2604 wrote to memory of 2160	2604	g4568712.exe	AppLaunch.exe
PID 2604 wrote to memory of 2160	2604	g4568712.exe	AppLaunch.exe
PID 2604 wrote to memory of 2160	2604	g4568712.exe	AppLaunch.exe
PID 2604 wrote to memory of 2160	2604	g4568712.exe	AppLaunch.exe
PID 2604 wrote to memory of 2160	2604	g4568712.exe	AppLaunch.exe
PID 2604 wrote to memory of 2160	2604	g4568712.exe	AppLaunch.exe
PID 2604 wrote to memory of 2160	2604	g4568712.exe	AppLaunch.exe
PID 536 wrote to memory of 872	536	x4825320.exe	h7368957.exe
PID 536 wrote to memory of 872	536	x4825320.exe	h7368957.exe
PID 536 wrote to memory of 872	536	x4825320.exe	h7368957.exe

C:\Users\Admin\AppData\Local\Temp\86d4877badbdcb1c02fdb785b5cb78ec9c4f17f7845781fd0b7513dbfb2bbff4.exe
"C:\Users\Admin\AppData\Local\Temp\86d4877badbdcb1c02fdb785b5cb78ec9c4f17f7845781fd0b7513dbfb2bbff4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4908

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1871808.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1871808.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5004

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x4825320.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x4825320.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:536

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4568712.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4568712.exe
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2604

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
5⤵
PID:1752

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
5⤵
PID:2160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 588
5⤵
- Program crash
PID:4900

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\h7368957.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\h7368957.exe
4⤵
- Executes dropped EXE
PID:872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2604 -ip 2604
1⤵
PID:2152

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1044 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:2376

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1871808.exe

Filesize
566KB

MD5
2655eb8bb6336e1a109d925bf49f99bf

SHA1
e351f899a979849170a346ebf2245a5f1ad1f817

SHA256
17117bb6a2c105d513d666994b3e4d6bccf7f5ba7f29d1f5cfb92040990e3030

SHA512
2a054cd42b8859f074938db99c317e5e0529aafb0530eed0862426fc42936c85117e4dfbfc2d494e68442be954654cd2b763348ea67c7d21f4bc577e4f853c11

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x4825320.exe

Filesize
390KB

MD5
1b8927b5bcb9ece169dfff99e02ca11e

SHA1
2eaa33329ab949ac94b4689ef99b07b270d673bd

SHA256
aa3f1499f10ea19b3a98ee86e30d5928c3503f1a545f69d5d7009e57cd58ae96

SHA512
20606206beaf9b345aefebc7b72d5a6725e1b112ac753a478f1a53cdfb9628d4ce3c8ae2e6122a98dfc1466d2956d09dadd6a4f055b92482a1aa180b7ff82988

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4568712.exe

Filesize
364KB

MD5
3fa43f5059ef361430a721571a192cc2

SHA1
c7b9e7abec5dea32cbfc650def0a8c2dd2b7ad1c

SHA256
de9b8fd598e75ec8a5a65c0af51bfcb15b36932e96fec11f13f72543e9f10b42

SHA512
e1ae0cb13d0bdb9132ef046d036d1870251cefdd3943b80d596fa855048bd16c6e99e84a3dca81ddf9d0ebc0ebfd95122d13e482ad631824f9d4027bcc317abb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\h7368957.exe

Filesize
174KB

MD5
e336ad30f188105141cf43ed19e4259a

SHA1
5909d35d36dc24f9034e81e9558ae6a9a5fd18f8

SHA256
6664ef957e18438dbe7b1c23c4c4bbb921181590ea5c729e8d1a2a59325095f0

SHA512
e2c8320145735f36c3c723fb2e22f69d5f4ddd5b2ce336a6eac8dc872fb4cfd8a6daf1d3a673e1bbf43813508a45adaf4b01658b7dca4171ecf723299e8269d9

Download Submit
memory/872-33-0x000000000A760000-0x000000000A86A000-memory.dmp

Filesize
1.0MB

Download
memory/872-30-0x00000000007B0000-0x00000000007E0000-memory.dmp

Filesize
192KB

Download
memory/872-31-0x00000000050D0000-0x00000000050D6000-memory.dmp

Filesize
24KB

Download
memory/872-32-0x000000000AC30000-0x000000000B248000-memory.dmp

Filesize
6.1MB

Download
memory/872-34-0x000000000A6A0000-0x000000000A6B2000-memory.dmp

Filesize
72KB

Download
memory/872-35-0x000000000A700000-0x000000000A73C000-memory.dmp

Filesize
240KB

Download
memory/872-36-0x000000000A870000-0x000000000A8BC000-memory.dmp

Filesize
304KB

Download
memory/2160-23-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2160-25-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2160-26-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2160-22-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2160-21-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download