mystic | 60fcc3045e1b1073753937ff8c184c464a45ea76225a406024335c07f898cf7b

Analysis

max time kernel
148s
max time network
151s
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 17:46

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General

Target

888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e.exe
Size

417KB
MD5

3f495d795ac5aea7ba72e6f963bbfcd4
SHA1

3ee72786aadfa83c67d5517f3c8a4adc0f461e30
SHA256

888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e
SHA512

e62a1e1f3f7c7494de3654cfaacd5d3a765a2d45961b0b8ba83e4f7d235e60d4e7391e63868ad929e703a06c6ae54e8a55c262ea577365d0b4a4c18ed539b90a
SSDEEP

6144:KGy+bnr+sp0yN90QE76uFCuzf8i/mEPtm+aiGEaC9c2fIdUQ:SMr4y905jCuLl/mEVm1iVrTm/

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 4 IoCs

Processes:

resource	yara_rule
behavioral10/memory/1292-7-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral10/memory/1292-9-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral10/memory/1292-11-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral10/memory/1292-8-0x0000000000400000-0x0000000000428000-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\IXP000.TMP\2ve755qQ.exe	family_redline
behavioral10/memory/4920-16-0x0000000000BF0000-0x0000000000C2E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

1aq28uT5.exe2ve755qQ.exe

pid process

2488 1aq28uT5.exe
4920 2ve755qQ.exe

pid	process
2488	1aq28uT5.exe
4920	2ve755qQ.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e.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\\\""	888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1aq28uT5.exe

description pid process target process

PID 2488 set thread context of 1292 2488 1aq28uT5.exe AppLaunch.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

736 2488 WerFault.exe 1aq28uT5.exe
868 1292 WerFault.exe AppLaunch.exe

description	pid	process	target process
PID 2488 set thread context of 1292	2488	1aq28uT5.exe	AppLaunch.exe

pid	pid_target	process	target process
736	2488	WerFault.exe	1aq28uT5.exe
868	1292	WerFault.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e.exe1aq28uT5.exe

description	pid	process	target process
PID 1584 wrote to memory of 2488	1584	888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e.exe	1aq28uT5.exe
PID 1584 wrote to memory of 2488	1584	888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e.exe	1aq28uT5.exe
PID 1584 wrote to memory of 2488	1584	888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e.exe	1aq28uT5.exe
PID 2488 wrote to memory of 1292	2488	1aq28uT5.exe	AppLaunch.exe
PID 2488 wrote to memory of 1292	2488	1aq28uT5.exe	AppLaunch.exe
PID 2488 wrote to memory of 1292	2488	1aq28uT5.exe	AppLaunch.exe
PID 2488 wrote to memory of 1292	2488	1aq28uT5.exe	AppLaunch.exe
PID 2488 wrote to memory of 1292	2488	1aq28uT5.exe	AppLaunch.exe
PID 2488 wrote to memory of 1292	2488	1aq28uT5.exe	AppLaunch.exe
PID 2488 wrote to memory of 1292	2488	1aq28uT5.exe	AppLaunch.exe
PID 2488 wrote to memory of 1292	2488	1aq28uT5.exe	AppLaunch.exe
PID 2488 wrote to memory of 1292	2488	1aq28uT5.exe	AppLaunch.exe
PID 2488 wrote to memory of 1292	2488	1aq28uT5.exe	AppLaunch.exe
PID 1584 wrote to memory of 4920	1584	888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e.exe	2ve755qQ.exe
PID 1584 wrote to memory of 4920	1584	888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e.exe	2ve755qQ.exe
PID 1584 wrote to memory of 4920	1584	888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e.exe	2ve755qQ.exe

C:\Users\Admin\AppData\Local\Temp\888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e.exe
"C:\Users\Admin\AppData\Local\Temp\888619cf7bd9be384d2417f8820e45505d191b9faaa048e23a92ae8bf72df29e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1584

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1aq28uT5.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1aq28uT5.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2488

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:1292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 540
4⤵
- Program crash
PID:868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 596
3⤵
- Program crash
PID:736

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2ve755qQ.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2ve755qQ.exe
2⤵
- Executes dropped EXE
PID:4920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1292 -ip 1292
1⤵
PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2488 -ip 2488
1⤵
PID:456

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\1aq28uT5.exe
Filesize
378KB

MD5
f0831f173733de08511f3a0739f278a6

SHA1
06dc809d653c5d2c97386084ae13b50a73eb5b60

SHA256
8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

SHA512
19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2ve755qQ.exe
Filesize
231KB

MD5
7015f3bcfbe65f4621d0296fc626c6c1

SHA1
e914a238d3557e95fb06002868509c07ab49ee84

SHA256
2c627e2ba681584e3e9cbeab1d98a2778b77c02edc8bb8078310128a5464b184

SHA512
60bea1500c3a36356838dae534843fac40466c660b6355864b323250017076fd415bb2fb9d4d8c75d88b83ac926a2654bfb765dfceb98571716adbeb8b8ed2fb

Download Submit
memory/1292-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1292-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1292-11-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1292-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4920-17-0x0000000007F30000-0x00000000084D4000-memory.dmp

Filesize
5.6MB

Download
memory/4920-16-0x0000000000BF0000-0x0000000000C2E000-memory.dmp

Filesize
248KB

Download
memory/4920-15-0x00000000740AE000-0x00000000740AF000-memory.dmp

Filesize
4KB

Download
memory/4920-18-0x0000000007980000-0x0000000007A12000-memory.dmp

Filesize
584KB

Download
memory/4920-19-0x0000000004F50000-0x0000000004F5A000-memory.dmp

Filesize
40KB

Download
memory/4920-20-0x00000000740A0000-0x0000000074850000-memory.dmp

Filesize
7.7MB

Download
memory/4920-21-0x0000000008B00000-0x0000000009118000-memory.dmp

Filesize
6.1MB

Download
memory/4920-22-0x0000000007D00000-0x0000000007E0A000-memory.dmp

Filesize
1.0MB

Download
memory/4920-23-0x0000000007BA0000-0x0000000007BB2000-memory.dmp

Filesize
72KB

Download
memory/4920-24-0x0000000007C00000-0x0000000007C3C000-memory.dmp

Filesize
240KB

Download
memory/4920-25-0x0000000007C40000-0x0000000007C8C000-memory.dmp

Filesize
304KB

Download
memory/4920-26-0x00000000740AE000-0x00000000740AF000-memory.dmp

Filesize
4KB

Download
memory/4920-27-0x00000000740A0000-0x0000000074850000-memory.dmp

Filesize
7.7MB

Download