mystic | 47889c48da4c5e390f10c04d8390b2c5d9f68bec127bf0e18bbe686b9079b922

Analysis

max time kernel
148s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 17:43

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General

Target

5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146.exe
Size

417KB
MD5

e8488a26839a84e34ddb556f2da5c5ee
SHA1

dbb587ea77a992c310e912aea891e8c9910d129b
SHA256

5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146
SHA512

16a139723b70a59570570c020bb6a0b715b597867f49fae1f71883b96c8da8e613be7da13de9be80ba8bc68dd0c3ddcee09f9ce6514bfa8327d6c981dccaac22
SSDEEP

6144:KVy+bnr+Mp0yN90QEf6uFCuzf8i/mEPtm+aiGEaC9c2f1+:/MrQy90VjCuLl/mEVm1iVrTo

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/4144-7-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral10/memory/4144-9-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral10/memory/4144-8-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral10/memory/4144-11-0x0000000000400000-0x0000000000428000-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\2hv157lG.exe	family_redline
behavioral10/memory/2468-16-0x0000000000BC0000-0x0000000000BFE000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

1GS34rW1.exe2hv157lG.exe

pid process

1076 1GS34rW1.exe
2468 2hv157lG.exe

pid	process
1076	1GS34rW1.exe
2468	2hv157lG.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146.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\\\""	5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1GS34rW1.exe

description pid process target process

PID 1076 set thread context of 4144 1076 1GS34rW1.exe AppLaunch.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3988 4144 WerFault.exe AppLaunch.exe
3004 1076 WerFault.exe 1GS34rW1.exe

description	pid	process	target process
PID 1076 set thread context of 4144	1076	1GS34rW1.exe	AppLaunch.exe

pid	pid_target	process	target process
3988	4144	WerFault.exe	AppLaunch.exe
3004	1076	WerFault.exe	1GS34rW1.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146.exe1GS34rW1.exe

description	pid	process	target process
PID 2980 wrote to memory of 1076	2980	5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146.exe	1GS34rW1.exe
PID 2980 wrote to memory of 1076	2980	5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146.exe	1GS34rW1.exe
PID 2980 wrote to memory of 1076	2980	5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146.exe	1GS34rW1.exe
PID 1076 wrote to memory of 4440	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 4440	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 4440	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 1532	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 1532	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 1532	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 4144	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 4144	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 4144	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 4144	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 4144	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 4144	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 4144	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 4144	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 4144	1076	1GS34rW1.exe	AppLaunch.exe
PID 1076 wrote to memory of 4144	1076	1GS34rW1.exe	AppLaunch.exe
PID 2980 wrote to memory of 2468	2980	5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146.exe	2hv157lG.exe
PID 2980 wrote to memory of 2468	2980	5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146.exe	2hv157lG.exe
PID 2980 wrote to memory of 2468	2980	5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146.exe	2hv157lG.exe

C:\Users\Admin\AppData\Local\Temp\5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146.exe
"C:\Users\Admin\AppData\Local\Temp\5b3b69df98aea93f199289802070d29f0815829817936cfd60b3b627e0d20146.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2980

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1GS34rW1.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1GS34rW1.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:4440

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:1532

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
PID:4144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4144 -s 540
4⤵
- Program crash
PID:3988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1076 -s 136
3⤵
- Program crash
PID:3004

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2hv157lG.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2hv157lG.exe
2⤵
- Executes dropped EXE
PID:2468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4144 -ip 4144
1⤵
PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1076 -ip 1076
1⤵
PID:2812

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\1GS34rW1.exe

Filesize
378KB

MD5
f0831f173733de08511f3a0739f278a6

SHA1
06dc809d653c5d2c97386084ae13b50a73eb5b60

SHA256
8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

SHA512
19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2hv157lG.exe

Filesize
231KB

MD5
a63b0215d25760f5289ef823a6f1e90e

SHA1
b1bb411cf98ac9208aa2da930346215b476ad0f5

SHA256
ba39131319a53c33143e64d68d7274b0f2a91bc96f0c74687a16af46b6ccfa4f

SHA512
247e0625555246d0da6b3fc781000e0d456893465f0e6b0662ca81b9d24f634fd90dc6b914bbdd58b6267a71db5df2da3e007fb6ec194ed5ba8a3972b4a5b765

Download Submit
memory/2468-21-0x00000000089E0000-0x0000000008FF8000-memory.dmp

Filesize
6.1MB

Download
memory/2468-20-0x0000000004F00000-0x0000000004F0A000-memory.dmp

Filesize
40KB

Download
memory/2468-27-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/2468-26-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2468-15-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2468-16-0x0000000000BC0000-0x0000000000BFE000-memory.dmp

Filesize
248KB

Download
memory/2468-17-0x0000000007E10000-0x00000000083B4000-memory.dmp

Filesize
5.6MB

Download
memory/2468-18-0x0000000007940000-0x00000000079D2000-memory.dmp

Filesize
584KB

Download
memory/2468-19-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/2468-25-0x0000000007D60000-0x0000000007DAC000-memory.dmp

Filesize
304KB

Download
memory/2468-24-0x0000000007BE0000-0x0000000007C1C000-memory.dmp

Filesize
240KB

Download
memory/2468-22-0x0000000007C50000-0x0000000007D5A000-memory.dmp

Filesize
1.0MB

Download
memory/2468-23-0x0000000007B80000-0x0000000007B92000-memory.dmp

Filesize
72KB

Download
memory/4144-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4144-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4144-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4144-11-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download