mystic | 914615fc2a86a1a3aa8a108084dd30cc54e8b935b2f14f7def84c51a049c95c2

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 10:05

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General

Target

8b831a9336cb726a32f32c055467a35735f51b643a2cbb5d4269348fd570bb51.exe
Size

758KB
MD5

1cda55865e105aa8c5b07e9093741581
SHA1

e259fcf45723a7d6a23af3a2f8e966c7a51e6933
SHA256

8b831a9336cb726a32f32c055467a35735f51b643a2cbb5d4269348fd570bb51
SHA512

fc0af98f22107feaaab8e71041c1d3e9732e056a959f6e5e3e5ef2d6eee72992e7d42f373b3ed21111ad73a30fcb2c98d8b562f34b9b6a8d94e42b677e4de37c
SSDEEP

12288:HMrJy90JLRTFEEzne7LD3ZF/pHjwChGstrLt8h/R9cUywwQbU79IwDC:SysRrze7LDzpUChtBtM9ckwQbUeZ

Score

10^/10

mystic redline kinza infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kinza

77.91.124.86:19084

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral8/memory/3780-14-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral8/memory/3780-18-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral8/memory/3780-15-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral8/memory/3780-17-0x0000000000400000-0x0000000000434000-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
behavioral8/files/0x0007000000023441-20.dat	family_redline
behavioral8/memory/4324-22-0x00000000005B0000-0x00000000005EE000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
2224	HW9pN6mv.exe
60	1AF03se8.exe
4324	2qK306VK.exe

Adds Run key to start application 2 TTPs 2 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\\\""	8b831a9336cb726a32f32c055467a35735f51b643a2cbb5d4269348fd570bb51.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\\\""	HW9pN6mv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 60 set thread context of 3780	60	1AF03se8.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2084	3780	WerFault.exe	85

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2224	3020	8b831a9336cb726a32f32c055467a35735f51b643a2cbb5d4269348fd570bb51.exe	83
PID 3020 wrote to memory of 2224	3020	8b831a9336cb726a32f32c055467a35735f51b643a2cbb5d4269348fd570bb51.exe	83
PID 3020 wrote to memory of 2224	3020	8b831a9336cb726a32f32c055467a35735f51b643a2cbb5d4269348fd570bb51.exe	83
PID 2224 wrote to memory of 60	2224	HW9pN6mv.exe	84
PID 2224 wrote to memory of 60	2224	HW9pN6mv.exe	84
PID 2224 wrote to memory of 60	2224	HW9pN6mv.exe	84
PID 60 wrote to memory of 3780	60	1AF03se8.exe	85
PID 60 wrote to memory of 3780	60	1AF03se8.exe	85
PID 60 wrote to memory of 3780	60	1AF03se8.exe	85
PID 60 wrote to memory of 3780	60	1AF03se8.exe	85
PID 60 wrote to memory of 3780	60	1AF03se8.exe	85
PID 60 wrote to memory of 3780	60	1AF03se8.exe	85
PID 60 wrote to memory of 3780	60	1AF03se8.exe	85
PID 60 wrote to memory of 3780	60	1AF03se8.exe	85
PID 60 wrote to memory of 3780	60	1AF03se8.exe	85
PID 60 wrote to memory of 3780	60	1AF03se8.exe	85
PID 2224 wrote to memory of 4324	2224	HW9pN6mv.exe	87
PID 2224 wrote to memory of 4324	2224	HW9pN6mv.exe	87
PID 2224 wrote to memory of 4324	2224	HW9pN6mv.exe	87

C:\Users\Admin\AppData\Local\Temp\8b831a9336cb726a32f32c055467a35735f51b643a2cbb5d4269348fd570bb51.exe
"C:\Users\Admin\AppData\Local\Temp\8b831a9336cb726a32f32c055467a35735f51b643a2cbb5d4269348fd570bb51.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\HW9pN6mv.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\HW9pN6mv.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2224
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1AF03se8.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1AF03se8.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:60
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3780
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 540
        5⤵
        Program crash
        
        PID:2084
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2qK306VK.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2qK306VK.exe
    3⤵
    - Executes dropped EXE
    PID:4324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3780 -ip 3780
1⤵
PID:4920

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\HW9pN6mv.exe

Filesize
562KB

MD5
a296639ff31cb0419679355e6445adb8

SHA1
7f41171fa534e722fc359b2dcff8e39e81f026f8

SHA256
44a3268537a993bb72c6bbeb4555dd154dcb14ef09242f5e9e1ea425577ead2e

SHA512
8566833e099c03af7a3f015b0f93f401b740e89bbcddbabb5fb8170a43ed1e97c0bf27960518e8a0266ba4c515a48d702b8a357e63dfad55c0cab48e0c247d28

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1AF03se8.exe

Filesize
1.1MB

MD5
5fc2ac38a956d9af2dc6981060b857b0

SHA1
d7ac10b4acd908f9fb1d7452478d66529320033d

SHA256
7887ef121d67128cb68e9aaed3629d3fe97f65914f894ddf70e5a2874f2ca8da

SHA512
22128d39161f8dae9d08616b6c88ee8eb3ab6c772590800fd2bd44684ddd2182ca39e6816af721ad8a99478c6be852e02c02e9030a211122e8539d9a1c5c4637

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2qK306VK.exe

Filesize
222KB

MD5
b18d605a46ef3788ca13ad6417031455

SHA1
c5f09e6ea41737cdef2dedf238fbd4963839ae3d

SHA256
41502fc6c228107b5d6be498daaed116b66d658f73750338f1d0e3ebc0d2741c

SHA512
289514b6da4b5e0c4956d93242768f10104e69b6252c92d035b0af2e3f2b7f969e104d0ed0aff275bf33a34956765d55437c3b6c8371b52dc252cfcd99b507cf

Download Submit
memory/3780-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3780-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3780-15-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3780-17-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4324-23-0x00000000078E0000-0x0000000007E84000-memory.dmp

Filesize
5.6MB

Download
memory/4324-22-0x00000000005B0000-0x00000000005EE000-memory.dmp

Filesize
248KB

Download
memory/4324-24-0x00000000073D0000-0x0000000007462000-memory.dmp

Filesize
584KB

Download
memory/4324-25-0x0000000004950000-0x000000000495A000-memory.dmp

Filesize
40KB

Download
memory/4324-26-0x00000000084B0000-0x0000000008AC8000-memory.dmp

Filesize
6.1MB

Download
memory/4324-27-0x0000000007670000-0x000000000777A000-memory.dmp

Filesize
1.0MB

Download
memory/4324-28-0x0000000007580000-0x0000000007592000-memory.dmp

Filesize
72KB

Download
memory/4324-29-0x00000000075E0000-0x000000000761C000-memory.dmp

Filesize
240KB

Download
memory/4324-30-0x0000000007620000-0x000000000766C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads