mystic | b0707ded6960936877cf4a2a4a5a7191894ea5c19ee70296e7004b5431f5044e

Analysis

max time kernel
147s
max time network
150s
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 10:02

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General

Target

3d26ff1c7f2a98b2c2c03ddc43bd17ad629931d425986a46cb7ba3ef54b1ba6f.exe
Size

762KB
MD5

11df01e82b58f1a3d8a5c62a401219b7
SHA1

2773e63a84277c066dcc19d137ee8ead40b0f425
SHA256

3d26ff1c7f2a98b2c2c03ddc43bd17ad629931d425986a46cb7ba3ef54b1ba6f
SHA512

31bcc0b35d3b233e2492d8b926faf5e0125759c25d4e31ad856f18ece1b8f5f9f227318243e2073fa0e9c2a8446975e74e4353fe0c62421205112f39c5b04042
SSDEEP

12288:1MrEy90prXEjmnceU42eTQuYz2IQKg232Jmx95wb4g5AhQVO3f92BiU/oD45f1Uy:Jy+DXce326QuYCF2emxPwb4oAhEOv9oT

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

Processes:

resource	yara_rule
behavioral3/memory/3488-16-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral3/memory/3488-18-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral3/memory/3488-14-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral3/memory/3488-15-0x0000000000400000-0x0000000000434000-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

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2eh121Iu.exe	family_redline
behavioral3/memory/4556-22-0x0000000000270000-0x00000000002AE000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

Processes:

Xb9YF6yg.exe1Hr80Zh6.exe2eh121Iu.exe

pid process

1984 Xb9YF6yg.exe
3356 1Hr80Zh6.exe
4556 2eh121Iu.exe

pid	process
1984	Xb9YF6yg.exe
3356	1Hr80Zh6.exe
4556	2eh121Iu.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3d26ff1c7f2a98b2c2c03ddc43bd17ad629931d425986a46cb7ba3ef54b1ba6f.exeXb9YF6yg.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\\\""	3d26ff1c7f2a98b2c2c03ddc43bd17ad629931d425986a46cb7ba3ef54b1ba6f.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\\\""	Xb9YF6yg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1Hr80Zh6.exe

description pid process target process

PID 3356 set thread context of 3488 3356 1Hr80Zh6.exe AppLaunch.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2516 3488 WerFault.exe AppLaunch.exe
1824 3356 WerFault.exe 1Hr80Zh6.exe

description	pid	process	target process
PID 3356 set thread context of 3488	3356	1Hr80Zh6.exe	AppLaunch.exe

pid	pid_target	process	target process
2516	3488	WerFault.exe	AppLaunch.exe
1824	3356	WerFault.exe	1Hr80Zh6.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

3d26ff1c7f2a98b2c2c03ddc43bd17ad629931d425986a46cb7ba3ef54b1ba6f.exeXb9YF6yg.exe1Hr80Zh6.exe

description	pid	process	target process
PID 3144 wrote to memory of 1984	3144	3d26ff1c7f2a98b2c2c03ddc43bd17ad629931d425986a46cb7ba3ef54b1ba6f.exe	Xb9YF6yg.exe
PID 3144 wrote to memory of 1984	3144	3d26ff1c7f2a98b2c2c03ddc43bd17ad629931d425986a46cb7ba3ef54b1ba6f.exe	Xb9YF6yg.exe
PID 3144 wrote to memory of 1984	3144	3d26ff1c7f2a98b2c2c03ddc43bd17ad629931d425986a46cb7ba3ef54b1ba6f.exe	Xb9YF6yg.exe
PID 1984 wrote to memory of 3356	1984	Xb9YF6yg.exe	1Hr80Zh6.exe
PID 1984 wrote to memory of 3356	1984	Xb9YF6yg.exe	1Hr80Zh6.exe
PID 1984 wrote to memory of 3356	1984	Xb9YF6yg.exe	1Hr80Zh6.exe
PID 3356 wrote to memory of 3488	3356	1Hr80Zh6.exe	AppLaunch.exe
PID 3356 wrote to memory of 3488	3356	1Hr80Zh6.exe	AppLaunch.exe
PID 3356 wrote to memory of 3488	3356	1Hr80Zh6.exe	AppLaunch.exe
PID 3356 wrote to memory of 3488	3356	1Hr80Zh6.exe	AppLaunch.exe
PID 3356 wrote to memory of 3488	3356	1Hr80Zh6.exe	AppLaunch.exe
PID 3356 wrote to memory of 3488	3356	1Hr80Zh6.exe	AppLaunch.exe
PID 3356 wrote to memory of 3488	3356	1Hr80Zh6.exe	AppLaunch.exe
PID 3356 wrote to memory of 3488	3356	1Hr80Zh6.exe	AppLaunch.exe
PID 3356 wrote to memory of 3488	3356	1Hr80Zh6.exe	AppLaunch.exe
PID 3356 wrote to memory of 3488	3356	1Hr80Zh6.exe	AppLaunch.exe
PID 1984 wrote to memory of 4556	1984	Xb9YF6yg.exe	2eh121Iu.exe
PID 1984 wrote to memory of 4556	1984	Xb9YF6yg.exe	2eh121Iu.exe
PID 1984 wrote to memory of 4556	1984	Xb9YF6yg.exe	2eh121Iu.exe

C:\Users\Admin\AppData\Local\Temp\3d26ff1c7f2a98b2c2c03ddc43bd17ad629931d425986a46cb7ba3ef54b1ba6f.exe
"C:\Users\Admin\AppData\Local\Temp\3d26ff1c7f2a98b2c2c03ddc43bd17ad629931d425986a46cb7ba3ef54b1ba6f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xb9YF6yg.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xb9YF6yg.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hr80Zh6.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hr80Zh6.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3356
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3488
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 540
        5⤵
        Program crash
        
        PID:2516
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3356 -s 588
      4⤵
      Program crash
      PID:1824
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2eh121Iu.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2eh121Iu.exe
    3⤵
    - Executes dropped EXE
    PID:4556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3356 -ip 3356
1⤵
PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3488 -ip 3488
1⤵
PID:1948

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\Xb9YF6yg.exe

Filesize
566KB

MD5
11f8f136d4ef03ba732f50994d08ffba

SHA1
9914607272d6d97f319a67a63f03f192eb78ac9b

SHA256
b575a57de3ddfbdcb1a8a26f89efed79796a4223b9adc6055f8b07b923dfe437

SHA512
8873c565b83360d47d3d2736d1d876790b8f4ea5da4e6c51b7986226f3845892c4e8c79dcd5db0dc6f807e6da9e96f4e6c126403272c5d9db31cbe14e2ace37f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Hr80Zh6.exe

Filesize
1.1MB

MD5
f0df33e1e17537f782a3cafd23cbf816

SHA1
b6fc849a15fbecf3ee7bf57e3ad5fcae4d352b0c

SHA256
7b336c0f88662578d2b66da0ffa58ba767b6e30ac8e1a7cc6c9582b9263c6571

SHA512
5fcd43e16126fd7ddc07ac2a23523399fa0e504b91d664294341fc93549572bebf157a82654415c7273fe50d8f47eb9b23e697c4cc1fdcc3aa80312001b6d3dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2eh121Iu.exe

Filesize
222KB

MD5
91eac06cba6bbc2439d11586305e7370

SHA1
abaa17ba92b8fc24962ac04bbeaedf8b72627da3

SHA256
e1af80b4441920253993de91dd0d16c8c2b1c041dac6cefe47107af2405a3067

SHA512
832b9ad44757cdd1ba19f7efef3a4f9400af453fd6ae5107cf42bfd4573743ff715684b23725c727cbd7886b3aab308f791ba713cae0ba617974bac27f028538

Download Submit
memory/3488-16-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3488-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3488-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3488-15-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4556-23-0x0000000007620000-0x0000000007BC4000-memory.dmp

Filesize
5.6MB

Download
memory/4556-22-0x0000000000270000-0x00000000002AE000-memory.dmp

Filesize
248KB

Download
memory/4556-24-0x0000000007170000-0x0000000007202000-memory.dmp

Filesize
584KB

Download
memory/4556-25-0x0000000004730000-0x000000000473A000-memory.dmp

Filesize
40KB

Download
memory/4556-26-0x00000000081F0000-0x0000000008808000-memory.dmp

Filesize
6.1MB

Download
memory/4556-27-0x0000000007BD0000-0x0000000007CDA000-memory.dmp

Filesize
1.0MB

Download
memory/4556-28-0x0000000007260000-0x0000000007272000-memory.dmp

Filesize
72KB

Download
memory/4556-29-0x00000000072D0000-0x000000000730C000-memory.dmp

Filesize
240KB

Download
memory/4556-30-0x0000000007310000-0x000000000735C000-memory.dmp

Filesize
304KB

Download