mystic | 2dae798f2fcb49ad5f375700dcbe54c08e9cc5c25fe542ebd7939aa5f5f023aa

Analysis

max time kernel
147s
max time network
154s
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 18:47

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General

Target

cf449b541feb04da499c8d4ae8b93d871fe5c6772403b253da370ea358d20b5e.exe
Size

920KB
MD5

0c6b96a4d0f47a8decf22abca83388ae
SHA1

bde728459843f820a93c841541c58c9e362ddc78
SHA256

cf449b541feb04da499c8d4ae8b93d871fe5c6772403b253da370ea358d20b5e
SHA512

a9844bda6c240857fee414462d681e7efe0707bc7315f5a2a85d75602a73ea3475aca859bf339d140f2c677cd22289c4b80f15d3fbfcae1a76cb16d72c03da9f
SSDEEP

24576:3yTHh/JLWnFYKqf8YKictPcTznSx4vMMN1WNkjz7YB:CPKMyHYp1HWWXY

Score

10^/10

mystic redline kukish infostealer persistence stealer

Malware Config

Extracted

Family

mystic

http://5.42.92.211/

Extracted

Family

redline

Botnet

kukish

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral16/memory/1284-21-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral16/memory/1284-23-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral16/memory/1284-22-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral16/memory/1284-25-0x0000000000400000-0x0000000000433000-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
behavioral16/files/0x000700000002343e-26.dat	family_redline
behavioral16/memory/4108-29-0x0000000000180000-0x00000000001BE000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
4064	wd1IH9xl.exe
3388	BB5Ct6bf.exe
5104	1Gt13zT6.exe
4108	2KF781qu.exe

Adds Run key to start application 2 TTPs 3 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_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	BB5Ct6bf.exe
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\\\""	cf449b541feb04da499c8d4ae8b93d871fe5c6772403b253da370ea358d20b5e.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\\\""	wd1IH9xl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5104 set thread context of 1284	5104	1Gt13zT6.exe	90

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1012	5104	WerFault.exe	85

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 32 wrote to memory of 4064	32	cf449b541feb04da499c8d4ae8b93d871fe5c6772403b253da370ea358d20b5e.exe	83
PID 32 wrote to memory of 4064	32	cf449b541feb04da499c8d4ae8b93d871fe5c6772403b253da370ea358d20b5e.exe	83
PID 32 wrote to memory of 4064	32	cf449b541feb04da499c8d4ae8b93d871fe5c6772403b253da370ea358d20b5e.exe	83
PID 4064 wrote to memory of 3388	4064	wd1IH9xl.exe	84
PID 4064 wrote to memory of 3388	4064	wd1IH9xl.exe	84
PID 4064 wrote to memory of 3388	4064	wd1IH9xl.exe	84
PID 3388 wrote to memory of 5104	3388	BB5Ct6bf.exe	85
PID 3388 wrote to memory of 5104	3388	BB5Ct6bf.exe	85
PID 3388 wrote to memory of 5104	3388	BB5Ct6bf.exe	85
PID 5104 wrote to memory of 1284	5104	1Gt13zT6.exe	90
PID 5104 wrote to memory of 1284	5104	1Gt13zT6.exe	90
PID 5104 wrote to memory of 1284	5104	1Gt13zT6.exe	90
PID 5104 wrote to memory of 1284	5104	1Gt13zT6.exe	90
PID 5104 wrote to memory of 1284	5104	1Gt13zT6.exe	90
PID 5104 wrote to memory of 1284	5104	1Gt13zT6.exe	90
PID 5104 wrote to memory of 1284	5104	1Gt13zT6.exe	90
PID 5104 wrote to memory of 1284	5104	1Gt13zT6.exe	90
PID 5104 wrote to memory of 1284	5104	1Gt13zT6.exe	90
PID 5104 wrote to memory of 1284	5104	1Gt13zT6.exe	90
PID 3388 wrote to memory of 4108	3388	BB5Ct6bf.exe	94
PID 3388 wrote to memory of 4108	3388	BB5Ct6bf.exe	94
PID 3388 wrote to memory of 4108	3388	BB5Ct6bf.exe	94

C:\Users\Admin\AppData\Local\Temp\cf449b541feb04da499c8d4ae8b93d871fe5c6772403b253da370ea358d20b5e.exe
"C:\Users\Admin\AppData\Local\Temp\cf449b541feb04da499c8d4ae8b93d871fe5c6772403b253da370ea358d20b5e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:32
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wd1IH9xl.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wd1IH9xl.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4064
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\BB5Ct6bf.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\BB5Ct6bf.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3388
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Gt13zT6.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Gt13zT6.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:5104
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        
        PID:1284
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 148
        5⤵
        Program crash
        
        PID:1012
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2KF781qu.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2KF781qu.exe
      4⤵
      Executes dropped EXE
      PID:4108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5104 -ip 5104
1⤵
PID:4212

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\wd1IH9xl.exe

Filesize
632KB

MD5
0079c04431a9093ae121fb296e6b0eed

SHA1
d9e0e1b19ecc27dfa4f20a4fa87795a781f44775

SHA256
fe979be36915c66b4e80f1108857658aa35150ebbd89034d4be1c4fa959c91d3

SHA512
4020b5a7b7adb9523e35a5b4830e957df6fd5c5f406abae013a5827df8ce14f03677237da9a837f649293ed794f05a53976ed322942d3d7c0fb8d1928309394d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\BB5Ct6bf.exe

Filesize
436KB

MD5
d213e2080232807a50a68cf06de48dd0

SHA1
a09601da7b45676d1a3cb07d767e093399d14b60

SHA256
f3b64421133b7924d58e6aecea4508423a6b611f1b55b129f7ac031c0458b73b

SHA512
03867c11eed2d693fc1cd81da1c8c29b74bb6c45ff4f608ceb5c411ef8d9ba6e8fbad68a17bd4558c2055aa8258e1b39e24daca8d18558912ae0d6e7f16673d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Gt13zT6.exe

Filesize
407KB

MD5
c4f75f4b0ff938695609a2ea3e7537e8

SHA1
0a86bcdf06134008d592a425ce9f34f66120eb18

SHA256
0968244472af3762bb29e125b6b66d6ffca7f0a039834f1436dd69c2c2e468ff

SHA512
a3e8e23e12434cab015fe95ed5dbb0b420dd0c4a36a61e314d90382084d77231b67c16aaef6e4b630ffb901380d263402807ea74455352067a86e4eedbfe7f3f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2KF781qu.exe

Filesize
221KB

MD5
2518b6c23b3dbfab5ef7e0a9f51a8bc3

SHA1
2289c03e2654136a64aa1b8495c10137a37ffd39

SHA256
cb6a55e7d2acfa3bab6c6f901e19a7be1a791765683755c2d0775c76104e6ecc

SHA512
d31db3ede2e792f5c9732ccaa2b2345e87fec68ad859c1035ffae255d0abd4fa5559bb7494982b5c191e7dbc6f6478c2a054b323d9e63cb922a1ac1977592813

Download Submit
memory/1284-21-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1284-23-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1284-22-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1284-25-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4108-29-0x0000000000180000-0x00000000001BE000-memory.dmp

Filesize
248KB

Download
memory/4108-30-0x0000000007440000-0x00000000079E4000-memory.dmp

Filesize
5.6MB

Download
memory/4108-31-0x0000000006F30000-0x0000000006FC2000-memory.dmp

Filesize
584KB

Download
memory/4108-32-0x00000000044A0000-0x00000000044AA000-memory.dmp

Filesize
40KB

Download
memory/4108-33-0x0000000008010000-0x0000000008628000-memory.dmp

Filesize
6.1MB

Download
memory/4108-34-0x0000000007210000-0x000000000731A000-memory.dmp

Filesize
1.0MB

Download
memory/4108-35-0x0000000007140000-0x0000000007152000-memory.dmp

Filesize
72KB

Download
memory/4108-36-0x00000000071A0000-0x00000000071DC000-memory.dmp

Filesize
240KB

Download
memory/4108-37-0x0000000007320000-0x000000000736C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads