mystic | 4ce71244da4dd5d9b0b7535c6b62aebf516adc87a36195170af93efa3a630b9f

Analysis

max time kernel
147s
max time network
155s
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 11:07

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General

Target

3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3.exe
Size

746KB
MD5

0f8508d9978491f6d3a929d927921ede
SHA1

719fff86d85f89b1880351d7f4f63be966154074
SHA256

3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3
SHA512

a85485e8770ab2ceed8eb5a25112f3822d48c756afa8063834f3c32f3d7c75a5e468cd2adb8da5c0dbd83657040f858bc545889c065e93c9701814a65b180aa0
SSDEEP

12288:dMrly90S1AJyflj4NMT1PloI8MoV9u8PzwTLjZ:QyhAk9jJ1PlRP5ekfZ

Score

10^/10

mystic redline frant evasion infostealer persistence stealer trojan

Malware Config

Extracted

Family

redline

Botnet

frant

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 3 IoCs

Processes:

resource	yara_rule
behavioral4/memory/1568-54-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral4/memory/1568-55-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral4/memory/1568-57-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

1nw90kF0.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	1nw90kF0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	1nw90kF0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	1nw90kF0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	1nw90kF0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	1nw90kF0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	1nw90kF0.exe

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 1 IoCs

Processes:

resource	yara_rule
behavioral4/memory/4172-61-0x0000000000400000-0x000000000043E000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

Processes:

Fw7Ec60.exe1nw90kF0.exe2Ng98Pz.exe3iT9623.exe

pid process

1916 Fw7Ec60.exe
4804 1nw90kF0.exe
2204 2Ng98Pz.exe
1576 3iT9623.exe

pid	process
1916	Fw7Ec60.exe
4804	1nw90kF0.exe
2204	2Ng98Pz.exe
1576	3iT9623.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

1nw90kF0.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	1nw90kF0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	1nw90kF0.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3.exeFw7Ec60.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\\\""	3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3.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\\\""	Fw7Ec60.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

2Ng98Pz.exe3iT9623.exe

description	pid	process	target process
PID 2204 set thread context of 1568	2204	2Ng98Pz.exe	AppLaunch.exe
PID 1576 set thread context of 4172	1576	3iT9623.exe	AppLaunch.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4812 2204 WerFault.exe 2Ng98Pz.exe
1784 1576 WerFault.exe 3iT9623.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

1nw90kF0.exe

pid process

4804 1nw90kF0.exe
4804 1nw90kF0.exe
4804 1nw90kF0.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1nw90kF0.exe

description pid process

Token: SeDebugPrivilege 4804 1nw90kF0.exe

pid	pid_target	process	target process
4812	2204	WerFault.exe	2Ng98Pz.exe
1784	1576	WerFault.exe	3iT9623.exe

pid	process
4804	1nw90kF0.exe
4804	1nw90kF0.exe
4804	1nw90kF0.exe

description	pid	process
Token: SeDebugPrivilege	4804	1nw90kF0.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3.exeFw7Ec60.exe2Ng98Pz.exe3iT9623.exe

description	pid	process	target process
PID 3760 wrote to memory of 1916	3760	3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3.exe	Fw7Ec60.exe
PID 3760 wrote to memory of 1916	3760	3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3.exe	Fw7Ec60.exe
PID 3760 wrote to memory of 1916	3760	3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3.exe	Fw7Ec60.exe
PID 1916 wrote to memory of 4804	1916	Fw7Ec60.exe	1nw90kF0.exe
PID 1916 wrote to memory of 4804	1916	Fw7Ec60.exe	1nw90kF0.exe
PID 1916 wrote to memory of 4804	1916	Fw7Ec60.exe	1nw90kF0.exe
PID 1916 wrote to memory of 2204	1916	Fw7Ec60.exe	2Ng98Pz.exe
PID 1916 wrote to memory of 2204	1916	Fw7Ec60.exe	2Ng98Pz.exe
PID 1916 wrote to memory of 2204	1916	Fw7Ec60.exe	2Ng98Pz.exe
PID 2204 wrote to memory of 1568	2204	2Ng98Pz.exe	AppLaunch.exe
PID 2204 wrote to memory of 1568	2204	2Ng98Pz.exe	AppLaunch.exe
PID 2204 wrote to memory of 1568	2204	2Ng98Pz.exe	AppLaunch.exe
PID 2204 wrote to memory of 1568	2204	2Ng98Pz.exe	AppLaunch.exe
PID 2204 wrote to memory of 1568	2204	2Ng98Pz.exe	AppLaunch.exe
PID 2204 wrote to memory of 1568	2204	2Ng98Pz.exe	AppLaunch.exe
PID 2204 wrote to memory of 1568	2204	2Ng98Pz.exe	AppLaunch.exe
PID 2204 wrote to memory of 1568	2204	2Ng98Pz.exe	AppLaunch.exe
PID 2204 wrote to memory of 1568	2204	2Ng98Pz.exe	AppLaunch.exe
PID 2204 wrote to memory of 1568	2204	2Ng98Pz.exe	AppLaunch.exe
PID 3760 wrote to memory of 1576	3760	3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3.exe	3iT9623.exe
PID 3760 wrote to memory of 1576	3760	3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3.exe	3iT9623.exe
PID 3760 wrote to memory of 1576	3760	3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3.exe	3iT9623.exe
PID 1576 wrote to memory of 4172	1576	3iT9623.exe	AppLaunch.exe
PID 1576 wrote to memory of 4172	1576	3iT9623.exe	AppLaunch.exe
PID 1576 wrote to memory of 4172	1576	3iT9623.exe	AppLaunch.exe
PID 1576 wrote to memory of 4172	1576	3iT9623.exe	AppLaunch.exe
PID 1576 wrote to memory of 4172	1576	3iT9623.exe	AppLaunch.exe
PID 1576 wrote to memory of 4172	1576	3iT9623.exe	AppLaunch.exe
PID 1576 wrote to memory of 4172	1576	3iT9623.exe	AppLaunch.exe
PID 1576 wrote to memory of 4172	1576	3iT9623.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3.exe
"C:\Users\Admin\AppData\Local\Temp\3548eb3ee082140f111579d722d1924acef2c914601158aa407cc48e37e04dc3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3760

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Fw7Ec60.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Fw7Ec60.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1916

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1nw90kF0.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1nw90kF0.exe
3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4804

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Ng98Pz.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Ng98Pz.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2204

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
PID:1568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 160
4⤵
- Program crash
PID:4812

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3iT9623.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3iT9623.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1576

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 600
3⤵
- Program crash
PID:1784

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 --field-trial-handle=4212,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=1428 /prefetch:8
1⤵
PID:1552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2204 -ip 2204
1⤵
PID:2716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1576 -ip 1576
1⤵
PID:4588

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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\3iT9623.exe

Filesize
459KB

MD5
e068637314979d2a3f9df751092aeb88

SHA1
ddfe433783d38e86eafcfda8f1a4b4bfb33a58fb

SHA256
96123443820d60fc3ba013fc503acf05893af9074567be4d191a57f760e9a750

SHA512
d485604186b35ca212cd799a3b6eca4a5b2b0e8222293b445fbd7e02f9d6f88bfcd5ff61f5cc87356f9360ca312a3f97db8d7be683a37a69f2c9e47f4679154f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Fw7Ec60.exe

Filesize
452KB

MD5
6ae56f5902ca0d6a7584d9302ba26820

SHA1
ee1883d13d55faaa2f35940d011f4efd0a345646

SHA256
68465085a51dc7be146dc2e847fa75a39e3bacabbc7ee6f3a9720d16504a686a

SHA512
4e5bc533661e9f48d3076fe967318235fa63e43f32a75bdcb4d62c0539d78016e600ea3096aa4585864e60df16db19a04c18c88f30ac4c59d478485e7118bc0e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1nw90kF0.exe

Filesize
192KB

MD5
8904f85abd522c7d0cb5789d9583ccff

SHA1
5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

SHA256
7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

SHA512
04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Ng98Pz.exe

Filesize
378KB

MD5
0028cf0329d7216dfc11b8b377135a8e

SHA1
c00c471b097f37a7d074dd7d3b4da0b6cbf2afb5

SHA256
a5d37f4f6302f8b0f5a489f6e9d3bac21dbd32627f4b47acd51dfa6ad79d8c8c

SHA512
1500c46974f04e0488bc44344bcb57aed342bee077a5720e0d7a7f09ac65352f64a4b19ed64256af89792a958dc0d87ea82608ad6730e497555d95d068efd18a

Download Submit
memory/1568-54-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1568-55-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1568-57-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4172-67-0x00000000075F0000-0x000000000762C000-memory.dmp

Filesize
240KB

Download
memory/4172-62-0x0000000007350000-0x00000000073E2000-memory.dmp

Filesize
584KB

Download
memory/4172-63-0x00000000047D0000-0x00000000047DA000-memory.dmp

Filesize
40KB

Download
memory/4172-61-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4172-64-0x00000000083F0000-0x0000000008A08000-memory.dmp

Filesize
6.1MB

Download
memory/4172-65-0x0000000007660000-0x000000000776A000-memory.dmp

Filesize
1.0MB

Download
memory/4172-66-0x0000000007590000-0x00000000075A2000-memory.dmp

Filesize
72KB

Download
memory/4172-68-0x0000000007770000-0x00000000077BC000-memory.dmp

Filesize
304KB

Download
memory/4804-36-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-40-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-32-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-31-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-28-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-24-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-22-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-21-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-20-0x0000000074270000-0x0000000074A20000-memory.dmp

Filesize
7.7MB

Download
memory/4804-50-0x0000000074270000-0x0000000074A20000-memory.dmp

Filesize
7.7MB

Download
memory/4804-38-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-34-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-42-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-44-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-46-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-48-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-26-0x0000000002390000-0x00000000023A6000-memory.dmp

Filesize
88KB

Download
memory/4804-19-0x0000000074270000-0x0000000074A20000-memory.dmp

Filesize
7.7MB

Download
memory/4804-18-0x0000000002390000-0x00000000023AC000-memory.dmp

Filesize
112KB

Download
memory/4804-17-0x0000000004B60000-0x0000000005104000-memory.dmp

Filesize
5.6MB

Download
memory/4804-16-0x0000000074270000-0x0000000074A20000-memory.dmp

Filesize
7.7MB

Download
memory/4804-15-0x00000000022B0000-0x00000000022CE000-memory.dmp

Filesize
120KB

Download
memory/4804-14-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download