mystic | eafc2bfbeaeddb89f86da75f29f14435b745b919f0b99dd1d0d30b9d33efb415

Analysis

max time kernel
149s
max time network
155s
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 07:44

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General

Target

58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d.exe
Size

895KB
MD5

c275615581b1a287c46bd4914c645377
SHA1

dd08381740c7105dd3f5bffd1b006410952282a0
SHA256

58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d
SHA512

aa616d9618d4abbf82b0b61f944f6beb655f1beb7cd66077706a63b299c08a58b977f813b61de7606b707d988cc50f556b12ca27c64a8756050c98034c0cba86
SSDEEP

12288:eMr+y90evp7ygaOcdT4rVF3XvoTELhfnxZOnok2+acz0vRquRC3KI63sNCl:syrp7ygPxM4lxZ8okicoRqxuswl

Score

10^/10

mystic redline smokeloader breha backdoor infostealer persistence stealer trojan

Malware Config

Extracted

Family

redline

Botnet

breha

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 3 IoCs

Processes:

resource	yara_rule
behavioral4/memory/3284-29-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral4/memory/3284-30-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral4/memory/3284-32-0x0000000000400000-0x0000000000432000-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 1 IoCs

Processes:

resource	yara_rule
behavioral4/memory/3592-40-0x0000000000400000-0x000000000043E000-memory.dmp	family_redline

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

Processes:

resource	yara_rule
behavioral4/memory/1612-21-0x00000000021F0000-0x0000000002210000-memory.dmp	net_reactor
behavioral4/memory/1612-23-0x0000000002500000-0x000000000251E000-memory.dmp	net_reactor

Executes dropped EXE 6 IoCs

Processes:

bX4Xh51.exeBG8wd21.exe1rZ51MC3.exe2Qs4396.exe3ON50GN.exe4Sb330Cy.exe

pid process

3920 bX4Xh51.exe
2448 BG8wd21.exe
1612 1rZ51MC3.exe
4088 2Qs4396.exe
3004 3ON50GN.exe
1192 4Sb330Cy.exe

pid	process
3920	bX4Xh51.exe
2448	BG8wd21.exe
1612	1rZ51MC3.exe
4088	2Qs4396.exe
3004	3ON50GN.exe
1192	4Sb330Cy.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d.exebX4Xh51.exeBG8wd21.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\\\""	58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d.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\\\""	bX4Xh51.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\\\""	BG8wd21.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

2Qs4396.exe3ON50GN.exe4Sb330Cy.exe

description	pid	process	target process
PID 4088 set thread context of 3284	4088	2Qs4396.exe	AppLaunch.exe
PID 3004 set thread context of 1016	3004	3ON50GN.exe	AppLaunch.exe
PID 1192 set thread context of 3592	1192	4Sb330Cy.exe	AppLaunch.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

AppLaunch.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1rZ51MC3.exe

description pid process

Token: SeDebugPrivilege 1612 1rZ51MC3.exe

description	pid	process
Token: SeDebugPrivilege	1612	1rZ51MC3.exe

Suspicious use of WriteProcessMemory 45 IoCs

Processes:

58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d.exebX4Xh51.exeBG8wd21.exe2Qs4396.exe3ON50GN.exe4Sb330Cy.exe

description	pid	process	target process
PID 1472 wrote to memory of 3920	1472	58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d.exe	bX4Xh51.exe
PID 1472 wrote to memory of 3920	1472	58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d.exe	bX4Xh51.exe
PID 1472 wrote to memory of 3920	1472	58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d.exe	bX4Xh51.exe
PID 3920 wrote to memory of 2448	3920	bX4Xh51.exe	BG8wd21.exe
PID 3920 wrote to memory of 2448	3920	bX4Xh51.exe	BG8wd21.exe
PID 3920 wrote to memory of 2448	3920	bX4Xh51.exe	BG8wd21.exe
PID 2448 wrote to memory of 1612	2448	BG8wd21.exe	1rZ51MC3.exe
PID 2448 wrote to memory of 1612	2448	BG8wd21.exe	1rZ51MC3.exe
PID 2448 wrote to memory of 1612	2448	BG8wd21.exe	1rZ51MC3.exe
PID 2448 wrote to memory of 4088	2448	BG8wd21.exe	2Qs4396.exe
PID 2448 wrote to memory of 4088	2448	BG8wd21.exe	2Qs4396.exe
PID 2448 wrote to memory of 4088	2448	BG8wd21.exe	2Qs4396.exe
PID 4088 wrote to memory of 3284	4088	2Qs4396.exe	AppLaunch.exe
PID 4088 wrote to memory of 3284	4088	2Qs4396.exe	AppLaunch.exe
PID 4088 wrote to memory of 3284	4088	2Qs4396.exe	AppLaunch.exe
PID 4088 wrote to memory of 3284	4088	2Qs4396.exe	AppLaunch.exe
PID 4088 wrote to memory of 3284	4088	2Qs4396.exe	AppLaunch.exe
PID 4088 wrote to memory of 3284	4088	2Qs4396.exe	AppLaunch.exe
PID 4088 wrote to memory of 3284	4088	2Qs4396.exe	AppLaunch.exe
PID 4088 wrote to memory of 3284	4088	2Qs4396.exe	AppLaunch.exe
PID 4088 wrote to memory of 3284	4088	2Qs4396.exe	AppLaunch.exe
PID 4088 wrote to memory of 3284	4088	2Qs4396.exe	AppLaunch.exe
PID 3920 wrote to memory of 3004	3920	bX4Xh51.exe	3ON50GN.exe
PID 3920 wrote to memory of 3004	3920	bX4Xh51.exe	3ON50GN.exe
PID 3920 wrote to memory of 3004	3920	bX4Xh51.exe	3ON50GN.exe
PID 3004 wrote to memory of 2628	3004	3ON50GN.exe	AppLaunch.exe
PID 3004 wrote to memory of 2628	3004	3ON50GN.exe	AppLaunch.exe
PID 3004 wrote to memory of 2628	3004	3ON50GN.exe	AppLaunch.exe
PID 3004 wrote to memory of 1016	3004	3ON50GN.exe	AppLaunch.exe
PID 3004 wrote to memory of 1016	3004	3ON50GN.exe	AppLaunch.exe
PID 3004 wrote to memory of 1016	3004	3ON50GN.exe	AppLaunch.exe
PID 3004 wrote to memory of 1016	3004	3ON50GN.exe	AppLaunch.exe
PID 3004 wrote to memory of 1016	3004	3ON50GN.exe	AppLaunch.exe
PID 3004 wrote to memory of 1016	3004	3ON50GN.exe	AppLaunch.exe
PID 1472 wrote to memory of 1192	1472	58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d.exe	4Sb330Cy.exe
PID 1472 wrote to memory of 1192	1472	58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d.exe	4Sb330Cy.exe
PID 1472 wrote to memory of 1192	1472	58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d.exe	4Sb330Cy.exe
PID 1192 wrote to memory of 3592	1192	4Sb330Cy.exe	AppLaunch.exe
PID 1192 wrote to memory of 3592	1192	4Sb330Cy.exe	AppLaunch.exe
PID 1192 wrote to memory of 3592	1192	4Sb330Cy.exe	AppLaunch.exe
PID 1192 wrote to memory of 3592	1192	4Sb330Cy.exe	AppLaunch.exe
PID 1192 wrote to memory of 3592	1192	4Sb330Cy.exe	AppLaunch.exe
PID 1192 wrote to memory of 3592	1192	4Sb330Cy.exe	AppLaunch.exe
PID 1192 wrote to memory of 3592	1192	4Sb330Cy.exe	AppLaunch.exe
PID 1192 wrote to memory of 3592	1192	4Sb330Cy.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d.exe
"C:\Users\Admin\AppData\Local\Temp\58609bf38be4777dd43032b4b64e68420854d83e377491d6356127f6c112181d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1472

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bX4Xh51.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bX4Xh51.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3920

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\BG8wd21.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\BG8wd21.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2448

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1rZ51MC3.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1rZ51MC3.exe
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1612

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Qs4396.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Qs4396.exe
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4088

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
5⤵
PID:3284

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3ON50GN.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3ON50GN.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3004

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
PID:2628

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
- Checks SCSI registry key(s)
PID:1016

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4Sb330Cy.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4Sb330Cy.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1192

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:3592

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4Sb330Cy.exe

Filesize
369KB

MD5
5a9e2b86a7d5dffaca4bd93d625a9a86

SHA1
22260a0a097e72edb69edec49ce89c451bcb674f

SHA256
94b922d45866154829338361742b0d7d7f7abb4866dd84f9c979fb00e592ed72

SHA512
66152963753435fa1a02dd415fb4b51240e92d44c81bc18c964633921587f999c685ffe8c13ff498c16191e0553ceef40e24d2758fc3173ca300f4226098729c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bX4Xh51.exe

Filesize
643KB

MD5
fb90e0de94f5c1ce94920457918ebe41

SHA1
85af7181e87172316d29a8d915f3f2a1ba9a622f

SHA256
655ae7e41dc1a603bbeed725364d21d83d18ad26c747b265a598061b1fcd1b3e

SHA512
4a11fd1575bf848ae36b5b058ecec888c5579d65b186df703a7024d9425010b532e20171924880c934d186bd1fe36337b5186c45a1a5ab8bb83213aad83bbba6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3ON50GN.exe

Filesize
178KB

MD5
82d0e5cc03cfbccaececce18d1bafce9

SHA1
f1b5098008133ad5022661a3e592cba5c7172c66

SHA256
2d0e5b754a1ab6eda0e304eeae14e16f4287d37d7bf948a504a781c9d04fdd21

SHA512
cf8a98b7ccd8aa6644241d76865b78b5df43246cfddf2f93dc412142f4416bf5f3efe46efc7e2f5a8508c99e7e97d1bbec9c0b7bfb9f44b781c84f4afba55d70

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\BG8wd21.exe

Filesize
440KB

MD5
9fc2e8efa1d49928096e33fd76a07bc6

SHA1
4cc7d14abda807dd9151d9f2ea9bf7678223ba9e

SHA256
118d41032860f1571767353fa908f5546fca889b192a1e1cc655431a43bfb095

SHA512
866140feb62dfd0dae5b4d7482bddf8ad29e222e82cee2dac58b16269544fc3350b9f291b741478f0563d71147dca0f90814bd1c6fc2702a0777bdef1210623c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1rZ51MC3.exe

Filesize
188KB

MD5
425e2a994509280a8c1e2812dfaad929

SHA1
4d5eff2fb3835b761e2516a873b537cbaacea1fe

SHA256
6f40f29ad16466785dfbe836dd375400949ff894e8aa03e2805ab1c1ac2d6f5a

SHA512
080a41e7926122e14b38901f2e1eb8100a08c5068a9a74099f060c5e601f056a66e607b4e006820276834bb01d913a3894de98e6d9ba62ce843df14058483aa0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Qs4396.exe

Filesize
328KB

MD5
321bbb44f6317afeb09a02c6a71cf26e

SHA1
2d4d3c414b6bfe780d150db528271ab0a2d354b5

SHA256
dd34d0e61f9f42fd09d0d983e7c00dbed744307a084ea3af5562c99481664f72

SHA512
4bd84e68233bd130964285f18e030444b6fba5f760a3ccf5c17bd6750c1ffd5c856a71a1a19677d8b33222bd1726dd8bcdc6d1adf8e439aa02f3388309368c3d

Download Submit
memory/1016-36-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1612-21-0x00000000021F0000-0x0000000002210000-memory.dmp

Filesize
128KB

Download
memory/1612-22-0x0000000004AA0000-0x0000000005044000-memory.dmp

Filesize
5.6MB

Download
memory/1612-23-0x0000000002500000-0x000000000251E000-memory.dmp

Filesize
120KB

Download
memory/1612-24-0x00000000049C0000-0x0000000004A52000-memory.dmp

Filesize
584KB

Download
memory/3284-32-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3284-30-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3284-29-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3592-40-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/3592-41-0x0000000002810000-0x000000000281A000-memory.dmp

Filesize
40KB

Download
memory/3592-42-0x0000000008310000-0x0000000008928000-memory.dmp

Filesize
6.1MB

Download
memory/3592-43-0x0000000007CF0000-0x0000000007DFA000-memory.dmp

Filesize
1.0MB

Download
memory/3592-44-0x0000000007350000-0x0000000007362000-memory.dmp

Filesize
72KB

Download
memory/3592-45-0x00000000073E0000-0x000000000741C000-memory.dmp

Filesize
240KB

Download
memory/3592-46-0x0000000007420000-0x000000000746C000-memory.dmp

Filesize
304KB

Download