mystic | 60fcc3045e1b1073753937ff8c184c464a45ea76225a406024335c07f898cf7b

Analysis

max time kernel
149s
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

aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc.exe
Size

326KB
MD5

2d1c846ca0a72429e0f56b792ca019f6
SHA1

5e8f7aa4cb5ae0dffcf4596c5b4e897b10403c23
SHA256

aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc
SHA512

61be26f0af6cfbe5d927816737316b5da751bd1786829da07067cf8635f955ca1d8c5502c2c915752743668b7ba07ae1db0155d1d93bac5bb938e6fdf06f20fe
SSDEEP

6144:KNy+bnr+vp0yN90QElAX6VOwPBIAy+hy8vlvZgRkajW1fDa/6:nMrTy90vA+OnA4q2i1ba6

Score

10^/10

mystic redline lutyr infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

lutyr

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1RU01FE4.exe	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\2qV494LQ.exe	family_redline
behavioral14/memory/64-11-0x0000000000FB0000-0x0000000000FEE000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

1RU01FE4.exe2qV494LQ.exe

pid process

2276 1RU01FE4.exe
64 2qV494LQ.exe

pid	process
2276	1RU01FE4.exe
64	2qV494LQ.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc.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\\\""	aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc.exe

description	pid	process	target process
PID 5000 wrote to memory of 2276	5000	aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc.exe	1RU01FE4.exe
PID 5000 wrote to memory of 2276	5000	aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc.exe	1RU01FE4.exe
PID 5000 wrote to memory of 2276	5000	aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc.exe	1RU01FE4.exe
PID 5000 wrote to memory of 64	5000	aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc.exe	2qV494LQ.exe
PID 5000 wrote to memory of 64	5000	aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc.exe	2qV494LQ.exe
PID 5000 wrote to memory of 64	5000	aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc.exe	2qV494LQ.exe

C:\Users\Admin\AppData\Local\Temp\aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc.exe
"C:\Users\Admin\AppData\Local\Temp\aa0c9ad482b23242e3009ff55447fc1f9559ff1412e903acbc14e3ed4c4774cc.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5000

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1RU01FE4.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1RU01FE4.exe
2⤵
- Executes dropped EXE
PID:2276

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2qV494LQ.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2qV494LQ.exe
2⤵
- Executes dropped EXE
PID:64

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\1RU01FE4.exe
Filesize
190KB

MD5
a6656e3d6d06c8ce9cbb4b6952553c20

SHA1
af45103616dc896da5ee4268fd5f9483b5b97c1c

SHA256
fec303b128c44607654c078736b96d2762722f51b6c473dfe5415158fd83718b

SHA512
f53f2214d3f192a352b2a93c66d91988a41a5ab9dbf15edd62ea8ce38da8a732114e3c46526d4dc6f3132330913b1acb90fa11ff454a1520d117149a86678d84

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2qV494LQ.exe
Filesize
221KB

MD5
7e1f98bf90bd2548561c34d1be01eef6

SHA1
4c326caec57a75a0a51b4fb0f7a0bc38358898cd

SHA256
14c7e744bd2c841fe328dd7e001856a4bbb1e38e33d4471eb8ca048cbffd85cd

SHA512
82fda03eab188b0c4c15f0838dc3bafa9c48f5ef81179670921e6bf9e328185f24328a2cad3fbc974cdbc5d51ed1b649e82df2ba170cd1fe352782e2661f9f7a

Download Submit
memory/64-10-0x0000000073E8E000-0x0000000073E8F000-memory.dmp

Filesize
4KB

Download
memory/64-11-0x0000000000FB0000-0x0000000000FEE000-memory.dmp

Filesize
248KB

Download
memory/64-12-0x0000000008300000-0x00000000088A4000-memory.dmp

Filesize
5.6MB

Download
memory/64-13-0x0000000007DF0000-0x0000000007E82000-memory.dmp

Filesize
584KB

Download
memory/64-14-0x0000000073E80000-0x0000000074630000-memory.dmp

Filesize
7.7MB

Download
memory/64-15-0x00000000031D0000-0x00000000031DA000-memory.dmp

Filesize
40KB

Download
memory/64-16-0x0000000008ED0000-0x00000000094E8000-memory.dmp

Filesize
6.1MB

Download
memory/64-17-0x0000000008150000-0x000000000825A000-memory.dmp

Filesize
1.0MB

Download
memory/64-18-0x0000000007DD0000-0x0000000007DE2000-memory.dmp

Filesize
72KB

Download
memory/64-19-0x0000000007FC0000-0x0000000007FFC000-memory.dmp

Filesize
240KB

Download
memory/64-20-0x0000000008040000-0x000000000808C000-memory.dmp

Filesize
304KB

Download
memory/64-21-0x0000000073E8E000-0x0000000073E8F000-memory.dmp

Filesize
4KB

Download
memory/64-22-0x0000000073E80000-0x0000000074630000-memory.dmp

Filesize
7.7MB

Download