mystic | 3767bd9b929fb47ae3b158c424044d32b3c87ffb6efc8eb109dc1df9f3d9b053

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 08:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f6443696313e66561de8a0606699f87b170317b79b832ec3fa91395d503a3e3f.exe
Size

1009KB
MD5

0230fb1015985d0e43e328c72f9d98c8
SHA1

96a53c65d6cbbdf0054d18258400547ab5a1c8b9
SHA256

f6443696313e66561de8a0606699f87b170317b79b832ec3fa91395d503a3e3f
SHA512

7608ccd420016472530e440c2c2976e1aeeb66aa99d4483e146f1206d657cc945bbd163b70a5620308eaf3291385cc9517822edb3bf3de6970e3d0127e14bf3a
SSDEEP

24576:ByRsDICik0gGuggDbsVqImYHlcCORzoLdAy6KFf:0sTikcu5sgImqcCldA

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 3 IoCs

resource	yara_rule
behavioral20/memory/1820-28-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral20/memory/1820-31-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral20/memory/1820-29-0x0000000000400000-0x0000000000432000-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
behavioral20/files/0x0007000000023414-33.dat	family_redline
behavioral20/memory/3688-35-0x0000000000D50000-0x0000000000D8E000-memory.dmp	family_redline

Executes dropped EXE 5 IoCs

pid	Process
1616	ne8SV7Op.exe
2728	Ru6eo9bh.exe
2948	Th9yL0Sg.exe
892	1Vo85ag1.exe
3688	2yu340PF.exe

Adds Run key to start application 2 TTPs 4 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\\\""	f6443696313e66561de8a0606699f87b170317b79b832ec3fa91395d503a3e3f.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\\\""	ne8SV7Op.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	Ru6eo9bh.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	Th9yL0Sg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 892 set thread context of 1820	892	1Vo85ag1.exe	103

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3536	892	WerFault.exe	89

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 1616	4312	f6443696313e66561de8a0606699f87b170317b79b832ec3fa91395d503a3e3f.exe	85
PID 4312 wrote to memory of 1616	4312	f6443696313e66561de8a0606699f87b170317b79b832ec3fa91395d503a3e3f.exe	85
PID 4312 wrote to memory of 1616	4312	f6443696313e66561de8a0606699f87b170317b79b832ec3fa91395d503a3e3f.exe	85
PID 1616 wrote to memory of 2728	1616	ne8SV7Op.exe	86
PID 1616 wrote to memory of 2728	1616	ne8SV7Op.exe	86
PID 1616 wrote to memory of 2728	1616	ne8SV7Op.exe	86
PID 2728 wrote to memory of 2948	2728	Ru6eo9bh.exe	87
PID 2728 wrote to memory of 2948	2728	Ru6eo9bh.exe	87
PID 2728 wrote to memory of 2948	2728	Ru6eo9bh.exe	87
PID 2948 wrote to memory of 892	2948	Th9yL0Sg.exe	89
PID 2948 wrote to memory of 892	2948	Th9yL0Sg.exe	89
PID 2948 wrote to memory of 892	2948	Th9yL0Sg.exe	89
PID 892 wrote to memory of 1820	892	1Vo85ag1.exe	103
PID 892 wrote to memory of 1820	892	1Vo85ag1.exe	103
PID 892 wrote to memory of 1820	892	1Vo85ag1.exe	103
PID 892 wrote to memory of 1820	892	1Vo85ag1.exe	103
PID 892 wrote to memory of 1820	892	1Vo85ag1.exe	103
PID 892 wrote to memory of 1820	892	1Vo85ag1.exe	103
PID 892 wrote to memory of 1820	892	1Vo85ag1.exe	103
PID 892 wrote to memory of 1820	892	1Vo85ag1.exe	103
PID 892 wrote to memory of 1820	892	1Vo85ag1.exe	103
PID 892 wrote to memory of 1820	892	1Vo85ag1.exe	103
PID 2948 wrote to memory of 3688	2948	Th9yL0Sg.exe	107
PID 2948 wrote to memory of 3688	2948	Th9yL0Sg.exe	107
PID 2948 wrote to memory of 3688	2948	Th9yL0Sg.exe	107

C:\Users\Admin\AppData\Local\Temp\f6443696313e66561de8a0606699f87b170317b79b832ec3fa91395d503a3e3f.exe
"C:\Users\Admin\AppData\Local\Temp\f6443696313e66561de8a0606699f87b170317b79b832ec3fa91395d503a3e3f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4312
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ne8SV7Op.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ne8SV7Op.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ru6eo9bh.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ru6eo9bh.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Th9yL0Sg.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Th9yL0Sg.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:2948
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Vo85ag1.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Vo85ag1.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:892
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        6⤵
        
        PID:1820
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 556
        6⤵
        Program crash
        
        PID:3536
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2yu340PF.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2yu340PF.exe
        5⤵
        Executes dropped EXE
        
        PID:3688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 892 -ip 892
1⤵
PID:3720

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ne8SV7Op.exe

Filesize
819KB

MD5
52077c0d14a863b19aef9ab03bf1708c

SHA1
b93d64ad349a008bfce6a8dbc811b3219b4a4d9a

SHA256
d5b6119b890dbd769291ef474d2e2ad27993fbb9573d6ddbf39474b10a62bcfb

SHA512
92bc2437f7eb9edd66843cf38dd3c44165498f5b4a118c30dda69f1eae2397e50cff394680d34029bc934158abdd4201928058fc975ccc256cd714bd9407126c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ru6eo9bh.exe

Filesize
584KB

MD5
8714c11e6ae14a357e342bfb9e3d2a93

SHA1
0b83f1f09389c15e175e12bc3e31f2dfc1d15dd4

SHA256
5ea59b5307645ed1056721ed0ecc270bd2158c14b64b4400299e82bd8b990841

SHA512
82d5917f0cf7b3100ae1f0161f9780e10b7ef51f73e523f5f1d3160cb609e49f0bab2233afa89d74fcb0a82a74467780c52e057b03541e0d81a127f7a3e320eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Th9yL0Sg.exe

Filesize
383KB

MD5
8ff284938218fa2a8f6da2116e97bdb6

SHA1
55f943204300cebec5f0e04f6427c002a8296f6f

SHA256
7463f743ba755950505978a4f39b650bfcfcee6a26e12929e99be345a40c3085

SHA512
bdcc6e552b6a70dd523a8f74bd824c12fec7ea36ea1dc142444ace3b67c82810d5dc576797e2c88cf611dd4261cdddc35a0f57cace516e42649ca38fc0ea1c28

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Vo85ag1.exe

Filesize
298KB

MD5
4cef4b73bc39722617bee83cbfebba01

SHA1
82acd0994cecb43fa033f2ef0dd3344df262b746

SHA256
9913b763f91f6661ef1f4fd06c9cdec83e19e9decfabfe6be5f0929b8edfb464

SHA512
80703d217e9fafde09538fc53cc8ca234eac53642b65238b63fd438bc6a3dbc5a16d26a53314060b2c43c5d08e7fc33f6022c252f0e0e87eb52c3b52fa6d25a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2yu340PF.exe

Filesize
222KB

MD5
f3578771cf29f7659d3d9e4182f953e2

SHA1
ad240a58f63bb8c95b77d6f9ff68707b4d3b9ff6

SHA256
043bee2556aecc85d2b058609355bbebbb46fb59d895e913c5ede8f528fd0ba7

SHA512
0018b7bc4b3b4ccc09d850ccd4b5cf272fa35dc4766e046487a2d6a39169ffdcbfb96730a9d914b28da53d4dfc08e1a689f84d1641ddf8b87f92fba4b7d87890

Download Submit
memory/1820-28-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1820-31-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1820-29-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3688-35-0x0000000000D50000-0x0000000000D8E000-memory.dmp

Filesize
248KB

Download
memory/3688-36-0x0000000008030000-0x00000000085D4000-memory.dmp

Filesize
5.6MB

Download
memory/3688-37-0x0000000007B20000-0x0000000007BB2000-memory.dmp

Filesize
584KB

Download
memory/3688-38-0x0000000005080000-0x000000000508A000-memory.dmp

Filesize
40KB

Download
memory/3688-39-0x0000000008C00000-0x0000000009218000-memory.dmp

Filesize
6.1MB

Download
memory/3688-40-0x00000000085E0000-0x00000000086EA000-memory.dmp

Filesize
1.0MB

Download
memory/3688-41-0x0000000007E50000-0x0000000007E62000-memory.dmp

Filesize
72KB

Download
memory/3688-42-0x0000000007EB0000-0x0000000007EEC000-memory.dmp

Filesize
240KB

Download
memory/3688-43-0x0000000007EF0000-0x0000000007F3C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads