mystic | 47889c48da4c5e390f10c04d8390b2c5d9f68bec127bf0e18bbe686b9079b922

Analysis

max time kernel
146s
max time network
152s
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 17:43

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General

Target

22e22c4ac4de60508d13a9152534da8f1fe27d387785252b3e90c5daa1939eb8.exe
Size

577KB
MD5

d58665fa7391568983d6aeb8c552d7e9
SHA1

eb08b9875d7b1768942186126e366e26390491a2
SHA256

22e22c4ac4de60508d13a9152534da8f1fe27d387785252b3e90c5daa1939eb8
SHA512

5e8122035acac6fae926a3a512ea677430c3f67dae62f8a093bb330963f3488be822171e0933c9664a485c5ac8e4e3fc54f74997fc0a7b3ab900fecc087b208e
SSDEEP

12288:ZMrVy90ojTaOad96qpnFWC4GRRwQKo388+pDSxzj1k:YyVO6qyCVmQApDSH1k

Score

10^/10

mystic redline kukish infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kukish

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral4/memory/2944-14-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral4/memory/2944-16-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral4/memory/2944-15-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral4/memory/2944-18-0x0000000000400000-0x0000000000432000-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
behavioral4/files/0x000700000002342d-20.dat	family_redline
behavioral4/memory/3836-22-0x0000000000A30000-0x0000000000A6E000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
1900	sy1wV8ry.exe
1948	1uO38xv5.exe
3836	2zR101Zo.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\\\""	22e22c4ac4de60508d13a9152534da8f1fe27d387785252b3e90c5daa1939eb8.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\\\""	sy1wV8ry.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1948 set thread context of 2944	1948	1uO38xv5.exe	86

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4852	1948	WerFault.exe	84
2348	2944	WerFault.exe	86

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3772 wrote to memory of 1900	3772	22e22c4ac4de60508d13a9152534da8f1fe27d387785252b3e90c5daa1939eb8.exe	83
PID 3772 wrote to memory of 1900	3772	22e22c4ac4de60508d13a9152534da8f1fe27d387785252b3e90c5daa1939eb8.exe	83
PID 3772 wrote to memory of 1900	3772	22e22c4ac4de60508d13a9152534da8f1fe27d387785252b3e90c5daa1939eb8.exe	83
PID 1900 wrote to memory of 1948	1900	sy1wV8ry.exe	84
PID 1900 wrote to memory of 1948	1900	sy1wV8ry.exe	84
PID 1900 wrote to memory of 1948	1900	sy1wV8ry.exe	84
PID 1948 wrote to memory of 2944	1948	1uO38xv5.exe	86
PID 1948 wrote to memory of 2944	1948	1uO38xv5.exe	86
PID 1948 wrote to memory of 2944	1948	1uO38xv5.exe	86
PID 1948 wrote to memory of 2944	1948	1uO38xv5.exe	86
PID 1948 wrote to memory of 2944	1948	1uO38xv5.exe	86
PID 1948 wrote to memory of 2944	1948	1uO38xv5.exe	86
PID 1948 wrote to memory of 2944	1948	1uO38xv5.exe	86
PID 1948 wrote to memory of 2944	1948	1uO38xv5.exe	86
PID 1948 wrote to memory of 2944	1948	1uO38xv5.exe	86
PID 1948 wrote to memory of 2944	1948	1uO38xv5.exe	86
PID 1900 wrote to memory of 3836	1900	sy1wV8ry.exe	95
PID 1900 wrote to memory of 3836	1900	sy1wV8ry.exe	95
PID 1900 wrote to memory of 3836	1900	sy1wV8ry.exe	95

C:\Users\Admin\AppData\Local\Temp\22e22c4ac4de60508d13a9152534da8f1fe27d387785252b3e90c5daa1939eb8.exe
"C:\Users\Admin\AppData\Local\Temp\22e22c4ac4de60508d13a9152534da8f1fe27d387785252b3e90c5daa1939eb8.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3772
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sy1wV8ry.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sy1wV8ry.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1uO38xv5.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1uO38xv5.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1948
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:2944
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 540
        5⤵
        Program crash
        
        PID:2348
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 152
      4⤵
      Program crash
      PID:4852
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2zR101Zo.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2zR101Zo.exe
    3⤵
    - Executes dropped EXE
    PID:3836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2944 -ip 2944
1⤵
PID:2468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1948 -ip 1948
1⤵
PID:2988

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\sy1wV8ry.exe

Filesize
382KB

MD5
830fd3a9eaa27ef60bee8982f3e28361

SHA1
9dcd4d1e71ee1b2567352b22b9e1bf3e735c1dee

SHA256
678243ce4fdc149ced130b197900f7bfbb08526082ad230cc180ea34f6b6d428

SHA512
6326551a3290465f9ea3f0101a59a01dfffc062481b1733307b70c6e506c9ed1f80b9ad2970c128b50d1d8b31a834ca026628802947160c7b3ae248bfabfc0a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1uO38xv5.exe

Filesize
295KB

MD5
904dca94bac3c280a971f38273035187

SHA1
19fd4efc307bc247755a1941263737a55fb81f87

SHA256
38a2caa15633de6c98b617579191b3e5a25fa0ad77b3576cd48a4cb6909bc229

SHA512
ba8b04cce5d0f3c86b5b729b35149ffe52720cc183c9dcf79c80742f9a99a6426b6b47fc9d779ef6fc40538c1a1e639ad0cd8ce9978107734b08ad33012207f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2zR101Zo.exe

Filesize
222KB

MD5
64897a90a5a81b106983c45ea29af6c9

SHA1
c802ace06c085f3a9bb90b955b1b2b652dafa7b6

SHA256
6e8dc7682de2676ed9c424eae5db9e0050808b8a54603a672c2834b72bb36d8c

SHA512
d9f4c455ebad0c8c010732042a1c6b40108e04462a54bd7ef790c441a7ea34dd411be48eb712e302832bf818861f182d781db39ff9731d6ccfd8220d1cb4212b

Download Submit
memory/2944-14-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2944-16-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2944-15-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2944-18-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3836-23-0x0000000007E20000-0x00000000083C4000-memory.dmp

Filesize
5.6MB

Download
memory/3836-22-0x0000000000A30000-0x0000000000A6E000-memory.dmp

Filesize
248KB

Download
memory/3836-24-0x0000000007950000-0x00000000079E2000-memory.dmp

Filesize
584KB

Download
memory/3836-25-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

Filesize
40KB

Download
memory/3836-26-0x00000000089F0000-0x0000000009008000-memory.dmp

Filesize
6.1MB

Download
memory/3836-27-0x0000000007CC0000-0x0000000007DCA000-memory.dmp

Filesize
1.0MB

Download
memory/3836-28-0x0000000007B20000-0x0000000007B32000-memory.dmp

Filesize
72KB

Download
memory/3836-29-0x0000000007BB0000-0x0000000007BEC000-memory.dmp

Filesize
240KB

Download
memory/3836-30-0x0000000007B50000-0x0000000007B9C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads