mystic | c35b2a353f3f737fd5d522bda8150c7fe11a4c4773ad1702d174b480462784c6

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 17:26

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General

Target

63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8.exe
Size

1.2MB
MD5

919b359a73a034bd1742a3846ce1332d
SHA1

e82d56a9aeeb2b8a4568b7bd86d94f8ad4565e13
SHA256

63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8
SHA512

c5893022d530cfa36dbd8b7eb7aa45655caaee99f64bc456dfa0d8147e5d09afd49835804f4287e7cdb0b64a5850010b78e34c9f0ca0d36c19c4bbc677878f2a
SSDEEP

24576:9y2CyMEv4qZAina4sIgXajxFCv0RuSR8Ghl3GSKc5yDIEGAMT:Y2CyMQ5lgSxFJRuNcG45yDIEtM

Score

10^/10

mystic redline gigant infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

gigant

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 3 IoCs

Processes:

resource	yara_rule
behavioral6/memory/1100-35-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral6/memory/1100-36-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral6/memory/1100-38-0x0000000000400000-0x0000000000428000-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\IXP004.TMP\2Za650ia.exe	family_redline
behavioral6/memory/5072-42-0x0000000000F90000-0x0000000000FCE000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

Processes:

cr1JE3um.exeFC6tv4md.exeTN9LK8kk.exeJl7FN3zr.exe1Zg42Ch1.exe2Za650ia.exe

pid process

3940 cr1JE3um.exe
3240 FC6tv4md.exe
3700 TN9LK8kk.exe
4892 Jl7FN3zr.exe
4588 1Zg42Ch1.exe
5072 2Za650ia.exe

pid	process
3940	cr1JE3um.exe
3240	FC6tv4md.exe
3700	TN9LK8kk.exe
4892	Jl7FN3zr.exe
4588	1Zg42Ch1.exe
5072	2Za650ia.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

cr1JE3um.exeFC6tv4md.exeTN9LK8kk.exeJl7FN3zr.exe63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8.exe

description	ioc	process
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\\\""	cr1JE3um.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\\\""	FC6tv4md.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\\\""	TN9LK8kk.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\\\""	Jl7FN3zr.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\\\""	63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1Zg42Ch1.exe

description pid process target process

PID 4588 set thread context of 1100 4588 1Zg42Ch1.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2364 4588 WerFault.exe 1Zg42Ch1.exe

description	pid	process	target process
PID 4588 set thread context of 1100	4588	1Zg42Ch1.exe	AppLaunch.exe

pid	pid_target	process	target process
2364	4588	WerFault.exe	1Zg42Ch1.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8.execr1JE3um.exeFC6tv4md.exeTN9LK8kk.exeJl7FN3zr.exe1Zg42Ch1.exe

description	pid	process	target process
PID 4456 wrote to memory of 3940	4456	63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8.exe	cr1JE3um.exe
PID 4456 wrote to memory of 3940	4456	63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8.exe	cr1JE3um.exe
PID 4456 wrote to memory of 3940	4456	63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8.exe	cr1JE3um.exe
PID 3940 wrote to memory of 3240	3940	cr1JE3um.exe	FC6tv4md.exe
PID 3940 wrote to memory of 3240	3940	cr1JE3um.exe	FC6tv4md.exe
PID 3940 wrote to memory of 3240	3940	cr1JE3um.exe	FC6tv4md.exe
PID 3240 wrote to memory of 3700	3240	FC6tv4md.exe	TN9LK8kk.exe
PID 3240 wrote to memory of 3700	3240	FC6tv4md.exe	TN9LK8kk.exe
PID 3240 wrote to memory of 3700	3240	FC6tv4md.exe	TN9LK8kk.exe
PID 3700 wrote to memory of 4892	3700	TN9LK8kk.exe	Jl7FN3zr.exe
PID 3700 wrote to memory of 4892	3700	TN9LK8kk.exe	Jl7FN3zr.exe
PID 3700 wrote to memory of 4892	3700	TN9LK8kk.exe	Jl7FN3zr.exe
PID 4892 wrote to memory of 4588	4892	Jl7FN3zr.exe	1Zg42Ch1.exe
PID 4892 wrote to memory of 4588	4892	Jl7FN3zr.exe	1Zg42Ch1.exe
PID 4892 wrote to memory of 4588	4892	Jl7FN3zr.exe	1Zg42Ch1.exe
PID 4588 wrote to memory of 1100	4588	1Zg42Ch1.exe	AppLaunch.exe
PID 4588 wrote to memory of 1100	4588	1Zg42Ch1.exe	AppLaunch.exe
PID 4588 wrote to memory of 1100	4588	1Zg42Ch1.exe	AppLaunch.exe
PID 4588 wrote to memory of 1100	4588	1Zg42Ch1.exe	AppLaunch.exe
PID 4588 wrote to memory of 1100	4588	1Zg42Ch1.exe	AppLaunch.exe
PID 4588 wrote to memory of 1100	4588	1Zg42Ch1.exe	AppLaunch.exe
PID 4588 wrote to memory of 1100	4588	1Zg42Ch1.exe	AppLaunch.exe
PID 4588 wrote to memory of 1100	4588	1Zg42Ch1.exe	AppLaunch.exe
PID 4588 wrote to memory of 1100	4588	1Zg42Ch1.exe	AppLaunch.exe
PID 4588 wrote to memory of 1100	4588	1Zg42Ch1.exe	AppLaunch.exe
PID 4892 wrote to memory of 5072	4892	Jl7FN3zr.exe	2Za650ia.exe
PID 4892 wrote to memory of 5072	4892	Jl7FN3zr.exe	2Za650ia.exe
PID 4892 wrote to memory of 5072	4892	Jl7FN3zr.exe	2Za650ia.exe

C:\Users\Admin\AppData\Local\Temp\63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8.exe
"C:\Users\Admin\AppData\Local\Temp\63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4456

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cr1JE3um.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cr1JE3um.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3940

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\FC6tv4md.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\FC6tv4md.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3240

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\TN9LK8kk.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\TN9LK8kk.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3700

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Jl7FN3zr.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Jl7FN3zr.exe
5⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4892

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Zg42Ch1.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Zg42Ch1.exe
6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4588

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
7⤵
PID:1100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 596
7⤵
- Program crash
PID:2364

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Za650ia.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Za650ia.exe
6⤵
- Executes dropped EXE
PID:5072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4588 -ip 4588
1⤵
PID:2064

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\cr1JE3um.exe

Filesize
1.0MB

MD5
4b07af558f84910eaa3d63763854b3e3

SHA1
4c13004bd5bdbca5be2e91632996199dfe587bc8

SHA256
11afd9400bf51a5548304406f5fc99260b81665b8a524cdc2f66fa2c599eea4f

SHA512
ec9c20e9fcb88514f1b496f63ebf8d37848497b13043f409a0f890af8e7100f0f6410ee0250790ff666f8ae2458750aeab9ff760bdaf568b5e86b4f42a6a6740

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\FC6tv4md.exe

Filesize
884KB

MD5
d0a38fd572892b5ca6bc0cccfcfff8cd

SHA1
b70a6403e5445444242fa96f3535a085ab676411

SHA256
0a2c6fe1b3cdd539a17485257f3bad773b652f7099c83e35dda9ee2f75fea5a9

SHA512
cf85778b76bfb4047ffba4bae8dbc5aa46de04144ef8358d6d08528e8d115d6983e32e971cc85e8fd78a8ae197e4771b3693641d5c686cb1409e95a2b3a7def1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\TN9LK8kk.exe

Filesize
590KB

MD5
5ced63ca97659399d379b8ab208033e6

SHA1
04cbd7f0d3c79620d57da28547a002d4377954b1

SHA256
65d23f369e1f103ea46705583dc94ff6fe4768ef7ab61d2668f2b1ac9ff29179

SHA512
b4f13b172a7aece43ab74fb9e9897cf69c7edddbf3757d06355c8b4977d359a0e68f6b9b2a56e6220e926a54eef0126d0c0029e3c39105c8c97db1e7d296efba

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Jl7FN3zr.exe

Filesize
417KB

MD5
cbc6cdbc6ed4cb4e6f707ca035388888

SHA1
cd267c98c8e32810d7d24012e63ad14a07493956

SHA256
197f85851b15bbe9c2154c2c7a2d40bcaa96fcf4fb46db5402a01d972c83de10

SHA512
d45441959e5302fefcd5c03d8dc9576c4bd7816758781e5cc60a06cbeefe898aaf4bec56dcf07f500049180615ab940e7e7b408c6636d83c779fd4ae2e6dfcc7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Zg42Ch1.exe

Filesize
378KB

MD5
2f4bdedb6ad8bea59b3effee4b867f07

SHA1
cfa2376e4fe3c7cb998104eba4bb78e58e9b59c7

SHA256
8b0d0ed4daa91634ee6554113d721a661dbacc9a82ed52ea23bd863c88a794c0

SHA512
f60afc332fc497e9e9bb9422b5d69f592617e37674131e74825d60ce2e3b3f9453acb9bba1b7b3d9761c5e8078ece8a9fe1e935b4d5383cbb85e6ac5237c3ca8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Za650ia.exe

Filesize
231KB

MD5
8f9802dc7b6f6e93ec6a66411bdbe032

SHA1
42527fbff798ca747257573028ceebb7c9b5511d

SHA256
ef4e9ad7ac8337a48451fc2abf251f4bc478381a72787fbcef58c97ea10578f4

SHA512
724c38fd5552d1a2caa0c3a725317d4c3e1ec61fae9feb22e56cd00c0b02936763a5774cc0e5b8f36afb956a73637b6195e6091faf1af6f039fb5ef743d497f4

Download Submit
memory/1100-36-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1100-38-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1100-35-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/5072-42-0x0000000000F90000-0x0000000000FCE000-memory.dmp

Filesize
248KB

Download
memory/5072-43-0x0000000008280000-0x0000000008824000-memory.dmp

Filesize
5.6MB

Download
memory/5072-44-0x0000000007D70000-0x0000000007E02000-memory.dmp

Filesize
584KB

Download
memory/5072-45-0x00000000052F0000-0x00000000052FA000-memory.dmp

Filesize
40KB

Download
memory/5072-46-0x0000000008E50000-0x0000000009468000-memory.dmp

Filesize
6.1MB

Download
memory/5072-47-0x00000000080E0000-0x00000000081EA000-memory.dmp

Filesize
1.0MB

Download
memory/5072-48-0x0000000007E50000-0x0000000007E62000-memory.dmp

Filesize
72KB

Download
memory/5072-49-0x0000000007FD0000-0x000000000800C000-memory.dmp

Filesize
240KB

Download
memory/5072-50-0x0000000007E80000-0x0000000007ECC000-memory.dmp

Filesize
304KB

Download