mystic | 8ee265740e734e664a806025412118c1398e5fd5de8de7844c913c144f497faa

Analysis

max time kernel
149s
max time network
158s
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 17:24

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General

Target

f67e1f80fbd3845a74490559e6a9ca3526fb093df5cd3852b6de4cd319d401aa.exe
Size

436KB
MD5

b1ac7cddf0f985171d0fd148bf73e670
SHA1

50479cd60c83cf2122e684c2a9101bf2c5eb078f
SHA256

f67e1f80fbd3845a74490559e6a9ca3526fb093df5cd3852b6de4cd319d401aa
SHA512

e183110c84c7a522df038a0f99cf3de38e043e54c775021c81c12c3d8bccb8693c6eb74c2e33b559884f58dfd712a147b4288f1694482939534700c32e6aab18
SSDEEP

12288:iMrHy90klxjEN9p8Howy1c/I4Myz1UOn4Uw:tyflxYzeIwhBj1Ln4Uw

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 4 IoCs

resource	yara_rule
behavioral18/memory/3624-7-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral18/memory/3624-8-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral18/memory/3624-11-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral18/memory/3624-9-0x0000000000400000-0x0000000000433000-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

resource	yara_rule
behavioral18/files/0x000700000002340b-13.dat	family_redline
behavioral18/memory/4900-16-0x0000000000950000-0x000000000098E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
2656	1Kg60FC7.exe
4900	2NA927iu.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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\\\""	f67e1f80fbd3845a74490559e6a9ca3526fb093df5cd3852b6de4cd319d401aa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 3624	2656	1Kg60FC7.exe	86

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3912	2656	WerFault.exe	85
4140	3624	WerFault.exe	86

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 2656	960	f67e1f80fbd3845a74490559e6a9ca3526fb093df5cd3852b6de4cd319d401aa.exe	85
PID 960 wrote to memory of 2656	960	f67e1f80fbd3845a74490559e6a9ca3526fb093df5cd3852b6de4cd319d401aa.exe	85
PID 960 wrote to memory of 2656	960	f67e1f80fbd3845a74490559e6a9ca3526fb093df5cd3852b6de4cd319d401aa.exe	85
PID 2656 wrote to memory of 3624	2656	1Kg60FC7.exe	86
PID 2656 wrote to memory of 3624	2656	1Kg60FC7.exe	86
PID 2656 wrote to memory of 3624	2656	1Kg60FC7.exe	86
PID 2656 wrote to memory of 3624	2656	1Kg60FC7.exe	86
PID 2656 wrote to memory of 3624	2656	1Kg60FC7.exe	86
PID 2656 wrote to memory of 3624	2656	1Kg60FC7.exe	86
PID 2656 wrote to memory of 3624	2656	1Kg60FC7.exe	86
PID 2656 wrote to memory of 3624	2656	1Kg60FC7.exe	86
PID 2656 wrote to memory of 3624	2656	1Kg60FC7.exe	86
PID 2656 wrote to memory of 3624	2656	1Kg60FC7.exe	86
PID 960 wrote to memory of 4900	960	f67e1f80fbd3845a74490559e6a9ca3526fb093df5cd3852b6de4cd319d401aa.exe	95
PID 960 wrote to memory of 4900	960	f67e1f80fbd3845a74490559e6a9ca3526fb093df5cd3852b6de4cd319d401aa.exe	95
PID 960 wrote to memory of 4900	960	f67e1f80fbd3845a74490559e6a9ca3526fb093df5cd3852b6de4cd319d401aa.exe	95

C:\Users\Admin\AppData\Local\Temp\f67e1f80fbd3845a74490559e6a9ca3526fb093df5cd3852b6de4cd319d401aa.exe
"C:\Users\Admin\AppData\Local\Temp\f67e1f80fbd3845a74490559e6a9ca3526fb093df5cd3852b6de4cd319d401aa.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:960
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Kg60FC7.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Kg60FC7.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:3624
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 540
      4⤵
      Program crash
      PID:4140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 556
    3⤵
    - Program crash
    PID:3912
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2NA927iu.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2NA927iu.exe
  2⤵
  - Executes dropped EXE
  PID:4900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3624 -ip 3624
1⤵
PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2656 -ip 2656
1⤵
PID:4892

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Kg60FC7.exe

Filesize
405KB

MD5
9c11698f7b2c5737ce7f5d590dd90d39

SHA1
e7d178d97c7186b24c4ccd2e6350010f1b6bfad6

SHA256
7ee1acf3e00202a567e77c76c2c9e045ff99dcd320a9dd9046f657a88abad0d7

SHA512
c313161bc0202a64997cefb390744dbcc43fa83a064467ffcc20d0748b798ddaa3949ef6a2a9405db1ea7f355eef35e2fe050386dbddfe0ec6d4dd7f8013cd32

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2NA927iu.exe

Filesize
221KB

MD5
f90bc0be5854506c3fa59a8cded3cfa5

SHA1
c99fcfc2de0d70fa20ca1fa245acb02d776a29df

SHA256
46dce7242978f683006ab95f9d0e937c1218fd89666eb7c4ccf0ade470813cc1

SHA512
825d22de7d60c4f29ec54ff5091a8c64674f558b76ef1b8d93a50f757a356605bb3930419255085134263116fa2e0c8e73415301ce57cf1e2e168d877fb7466f

Download Submit
memory/3624-7-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3624-8-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3624-11-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3624-9-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4900-17-0x0000000007BE0000-0x0000000008184000-memory.dmp

Filesize
5.6MB

Download
memory/4900-16-0x0000000000950000-0x000000000098E000-memory.dmp

Filesize
248KB

Download
memory/4900-15-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/4900-18-0x00000000076D0000-0x0000000007762000-memory.dmp

Filesize
584KB

Download
memory/4900-19-0x0000000002C80000-0x0000000002C8A000-memory.dmp

Filesize
40KB

Download
memory/4900-20-0x00000000741A0000-0x0000000074950000-memory.dmp

Filesize
7.7MB

Download
memory/4900-21-0x00000000087B0000-0x0000000008DC8000-memory.dmp

Filesize
6.1MB

Download
memory/4900-22-0x0000000007A80000-0x0000000007B8A000-memory.dmp

Filesize
1.0MB

Download
memory/4900-23-0x0000000007800000-0x0000000007812000-memory.dmp

Filesize
72KB

Download
memory/4900-24-0x00000000079B0000-0x00000000079EC000-memory.dmp

Filesize
240KB

Download
memory/4900-25-0x00000000079F0000-0x0000000007A3C000-memory.dmp

Filesize
304KB

Download
memory/4900-26-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/4900-27-0x00000000741A0000-0x0000000074950000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads